Arbiter Systems 1200B Operation Manual Download Page 7

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CONTENTS

vii

GNSS Antenna and Cable Information

4.1

GNSS Antenna Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1.1

Mounting the Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1.2

Optional Antenna Mounting Bracket . . . . . . . . . . . . . . . . . . . . . . .

4.2

Verifying Antenna and Cable Operation . . . . . . . . . . . . . . . . . . . . . . . . .

4.2.1

Checking the Antenna Status . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.2.2

Other Antenna/Cable Indications . . . . . . . . . . . . . . . . . . . . . . . . .

4.3

GNSS Surge Arrester . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.3.1

Using the GNSS Surge Arrester . . . . . . . . . . . . . . . . . . . . . . . . . .

4.4

Technical Details of GNSS Antennas and Cables . . . . . . . . . . . . . . . . . . . .

4.4.1

Length and Loss Considerations

. . . . . . . . . . . . . . . . . . . . . . . . .

Setting Internal Jumpers

5.1

Cover Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.2

Setting Mainboard Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.2.1

Digital Outputs: Port 1, Port 2 and Port 3 . . . . . . . . . . . . . . . . . . .

5.2.2

IRIG-B Unmodulated, 5 V Outputs . . . . . . . . . . . . . . . . . . . . . . .

5.2.3

1 PPS, 5 V Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.2.4

Programmable Pulse, 5 V Outputs . . . . . . . . . . . . . . . . . . . . . . . .

5.2.5

Analog Output: Port 2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.2.6

Event Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.2.7

Relay Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.2.8

Fiber Optic Output: Optional

. . . . . . . . . . . . . . . . . . . . . . . . . .

5.2.9

Final Setup Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Startup and Operation

6.1

Initial Startup Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.1.1

Display Indication at Startup . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.1.2

Clock Time, Startup Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.2

Operating Modes: Model 1201B/C Only . . . . . . . . . . . . . . . . . . . . . . . . .

6.2.1

Learn and Normal Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.2.2

Faults and Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.3

Time/Date Key Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.3.1

Time and Date Display, UTC . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.3.2

Time of Year Display, UTC . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.3.3

Time and Date Display, Local Time . . . . . . . . . . . . . . . . . . . . . . .

6.3.4

Time of Year Display, Local Time

. . . . . . . . . . . . . . . . . . . . . . . .

6.4

Antenna Key Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.4.1

GNSS Tracking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.4.2

GNSS Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.4.3

GNSS Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.4.4

Antenna Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.4.5

Position Display Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.5

Timing Key Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.5.1

Clock Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.5.2

Time Quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Summary of Contents for 1200B

Page 1: ...MODEL 1200B MODEL 1201B C GNSS SYNCHRONIZED CLOCK OPERATION MANUAL ARBITER SYSTEMS INC PASO ROBLES CA 93446 U S A WWW ARBITER COM ...

Page 2: ...until reaching the Serial Number S N and firmware version screen To determine the current firmware date for this product see the Arbiter website Firmware Updates Main Board The clock main board requires a flash package file and a utility program to update firmware Both are downloadable from the Arbiter website Firmware Updates Network Options Network options require an additional flash package and...

Page 3: ...WISE ARBITER SYSTEMS DISCLAIMS ANY WARRANTY OF MER CHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AND BUYER EXPRESSLY WAIVES ALL OTHER WARRANTIES This limited warranty does not extend to any product which has been subject to 1 Improper use or application abuse or operation beyond its rated capacity or contrary to the instructions in the operation and maintenance manuals if any 2 Accident 3 Repai...

Page 4: ...iv ...

Page 5: ...er 8 Front Panel Menu System Chapter 9 Timing IRIG B and Pulses Chapter 10 Relay Contacts and Event Inputs Chapter 11 Serial Communications and Command Set Chapter 12 Specifications and Technical Details Appendix A Using a Surge Arrester Appendix B Options List Appendix C Self Signed Certificate for HTTPS Appendix D CE Mark Certification Appendix E Statement of Compliance Index Copyright Arbiter S...

Page 6: ... 4 Large LED Display Model 1201C 6 2 3 Rear Panel Identification and Connectors 6 3 Connecting Inlet Power Input and Output Signals 7 3 1 Universal High Voltage Power Supply Inlet 7 3 1 1 Universal Supply Connecting Inlet Power 7 3 2 Low DC Power Supply Inlet 8 3 2 1 Low DC Connecting Inlet Power 8 3 2 2 Surge Withstand Protection 8 3 3 Power Supply Fuses Types and Ratings 8 3 3 1 Replacing Fuses ...

Page 7: ...20 5 2 4 Programmable Pulse 5 V Outputs 21 5 2 5 Analog Output Port 2 21 5 2 6 Event Input 21 5 2 7 Relay Operation 21 5 2 8 Fiber Optic Output Optional 22 5 2 9 Final Setup Instructions 22 6 Startup and Operation 23 6 1 Initial Startup Sequence 23 6 1 1 Display Indication at Startup 23 6 1 2 Clock Time Startup Mode 24 6 2 Operating Modes Model 1201B C Only 24 6 2 1 Learn and Normal Modes 24 6 2 2...

Page 8: ...the Clock Configuration 35 7 6 Starting the Learn Mode 36 7 7 The Status Screen 37 7 7 1 Definitions 37 7 8 The Performance Screen 38 7 9 The Fault Screen 39 7 10 The Version Screen 40 7 11 COM1 COM2 Communication Screens 41 7 12 The Time Screen 42 7 13 The Outputs Screen 43 7 13 1 Standard IRIG B Section 43 7 13 2 Auxiliary IRIG B Mode 44 7 13 3 Seconds Per Pulse Mode 45 7 13 4 Pulse Per Hour Mod...

Page 9: ...s 65 8 8 2 Programmable Pulse Seconds Per Pulse Mode 66 8 8 3 Programmable Pulse Pulse Per Hour Mode 67 8 8 4 Programmable Pulse Pulse Per Day Mode 68 8 8 5 Auxiliary IRIG B 69 8 8 6 Programmable Pulse Single Trigger 70 8 8 7 Programmable Pulse Slow Code 71 8 8 8 Programmable Pulse DCF77 71 8 9 Setting IRIG Time Data 72 8 10 Setting the Event or Deviation Modes 72 8 11 Setting Option Control 73 8 ...

Page 10: ...ing 84 10 2 1 Event Timing and Recording 84 10 2 2 Event Timing Latency 84 10 2 3 1 PPS Deviation Measurement 84 10 2 4 1 PPS Deviation Measurement Principle 85 10 2 5 Event Timer Input Channel Configuration 85 10 2 6 Firmware Setup 85 10 2 7 Displaying Data 85 10 2 8 1 PPS Deviation 86 10 2 9 Clearing Records 86 11 RS 232C Command Set 87 11 1 Introduction 87 11 2 Standard Command Set 87 11 2 1 In...

Page 11: ...cy 109 12 2 3 Position Accuracy rms 110 12 2 4 Satellite Tracking 110 12 2 5 GNSS Acquisition Time 110 12 3 I O Configuration 110 12 3 1 I O Connectors Main Board 110 12 3 2 Standard Output Signals 110 12 3 3 Event Input 1 PPS Deviation 110 12 3 4 Multifunction Relay 110 12 4 System Interface 111 12 4 1 Broadcast Data Formats 111 12 4 2 Synchronization 111 12 5 Antenna System 112 12 5 1 Antenna Ca...

Page 12: ...21 B 6 1 General Description 121 B 6 2 Specifications 121 B 6 3 General Information 121 B 7 Four Fiber Optic Outputs 124 B 7 1 Specifications 124 B 7 2 Output Jumper Enable JMP2 JMP5 124 B 8 8 Channel High Drive IRIG B Amplifier 126 B 8 1 General Description 126 B 8 2 Specifications 126 B 8 3 Option Setup 126 B 8 4 Output Load and Loop Example Unmodulated IRIG B 128 B 8 5 Connecting Load s to Outp...

Page 13: ...6 NTP PTP Server Specifications 186 B 11 7 Time Zone Format Strings 187 B 12 Four BNC Connectors 188 B 12 1 General Description 188 C Creating a Self Signed Certificate 189 C 1 HTTPS SSL Certificate 189 C 1 1 Step 1 Generate a Private Key 189 C 1 2 Step 2 Generate a Certificate Signing Request CSR 189 C 1 3 Step 3A Purchase a Certificate 190 C 1 4 Step 3B Generate a Self Signed Certificate 190 C 1...

Page 14: ...on 10 4 1 Antenna Assembly for Mounting 12 4 2 Antenna Mounting Bracket 13 4 3 Antenna with Mounting Kit 13 4 4 GNSS Surge Arrester 15 5 1 Main board and Jumper Locations 19 7 1 Utility Software Opening Window 32 7 2 Connecting with the Clock 34 7 3 Reading the Clock Configuration 35 7 4 Initiating the Learn Mode 36 7 5 Status Screen 37 7 6 Performance Display Screen 38 7 7 Fault Display Screen 39...

Page 15: ...etup 66 8 11 Pulse Per Hour Setup 67 8 12 Pulse Per Day Setup 68 8 13 Seconds Per Pulse Setup 69 8 14 Single Trigger Setup 70 8 15 Slow Code Setup 71 8 16 DCF77 Setup 71 8 17 IRIG B Time Data Setup 72 8 18 Event Deviation Mode Setup 72 8 19 Option Control Setup 73 8 20 Option Control Setup 73 9 1 Rear Panel Descriptions optional outputs may be shown 75 9 2 IRIG B Waveforms 77 9 3 DCF77 Timing Diag...

Page 16: ...Configure Page 161 B 24 NTP Authentication Page 162 B 25 Contact and Version Information Pages 163 B 26 SSH Console Interface Startup Screen 164 B 27 System Configure Page Using SSH 165 B 28 Configure System Password Using SSH 166 B 29 Update Operating System Using SSH 167 B 30 Checking Network Status Using SSH 168 B 31 Configure Network Settings Using SSH 169 B 32 View Operation Using SSH 170 B 3...

Page 17: ...tures 33 7 2 Serial Cable Pin Out 34 7 3 Option Board Descriptions 49 8 1 Menu Structure Upper Keys 55 8 2 Front Panel Setup Menu Definitions 57 8 3 Default Clock Settings 57 9 1 Drive Current vs Voltage 75 9 2 IRIG B Time Code Types Available 76 10 1 Specifications 83 10 2 Specifications 84 11 1 Status Indications and Definitions 89 11 2 Fault Indications and Definitions 89 11 3 Holdover Oscillat...

Page 18: ...ions 113 12 6 Clock and Shipping Weights 113 B 1 Four Configurable Outputs Signal Choices 123 B 2 Four Fiber Optic Output Configuration 124 B 3 Example Output Load and Loop Distance Matrix 128 B 4 B2 Broadcast Time Deviation Values 135 B 5 Output Connectors and Setup Jumpers 141 B 6 Null Modem Cable Connections 145 B 7 NTP PTP Server LED Indications 147 B 8 PTP Message Intervals 159 B 9 Partial Li...

Page 19: ...timing accuracy stability and protection from communication attacks and false GNSS signals First in a new series of synchronized secure clocks by Arbiter Systems offering an ultra stable crystal holdover oscillator the Model 1201B C can provide the highest level of timing stability in the presence of a false GNSS signal or from losing the GNSS reception The Model 1201B C is more accurate at 100 ns...

Page 20: ... The clocks are electronic devices and use static sensitive components in their operation Use care to minimize static discharges especially when the cover is removed 1 5 Unpacking and Locating Accessories For shipping the clock and included accessories are packaged in a carton with the clock held down with a piece of plastic wrap and accessories below it See Figure 1 1 1 Carefully grip points A an...

Page 21: ...lock to the rack mount system 1 6 1 Removal Instructions 1 Using a Torx T25 driver or large slot screwdriver remove the two M5 10 mm flat head screws attaching one rack mount ear to the clock cover at the front of the chassis 2 Remove the rack mount ear and replace the two M5 10 mm flat head screws with the included M5 10 mm pan head screws 3 Repeat this procedure with the other side of the chassi...

Page 22: ...Figure 2 1 Model 1200B and Model 1201B C Front Panel Description 2 2 Front Panel Controls and Indicators The Model 1200B Model 1201B and Model 1201C all have eight annunciator LEDs and an eight button keypad The top row of keys are informational including time and date antenna status geographical position and instrument status The bottom row of keys allows you to configure various clock functions ...

Page 23: ... clock serial number and firmware version power supply voltage s EEPROM status faults and option board information SETUP Press SETUP to invoke a series of menus used to adjust configurable parameters within the clock In numeric data entry mode moves the cursor to the left Allows security lockout UP Used in conjunction with other menus for selection to adjust values upward or to scroll upward throu...

Page 24: ...ctivated 2 2 3 LCD Display The Model 1200B Model 1201B and Model 1201C all have an LED backlit liquid crystal display LCD which provides a 20 character by 2 line readout The readout displays instrument status time date and event data If configured to do so the readout may also display the current configuration of operating parameters 2 2 4 Large LED Display Model 1201C The Model 1201C adds a six c...

Page 25: ...n a position labeled POWER A or POWER B on the rear panel See Figure 3 1 Figure 3 1 Universal Power Supply Inlet Connector L1 DC L2 DC GND 100 350 Vdc 85 264 Vac 47 440 Hz 30 W Typical 3 1 1 Universal Supply Connecting Inlet Power The terminals are labeled as L1 DC L2 DC and GND L1 is the hot lead L2 is the neutral and GND is the ground Strip the inlet wire 6 mm 1 4 in and DO NOT TIN the bare wire...

Page 26: ...to first connect an earth ground wire to the station ground Then connect the positive and negative leads to the appropriate battery terminals The clock has no power switch It becomes energized with the application of power 3 2 2 Surge Withstand Protection Both the Universal and Low DC power supplies provide input surge withstand protection SWC for compliance with ANSI C37 90 1 and IEC 801 4 3 3 Po...

Page 27: ...c output with ST connector located between COM1 serial port and the antenna connector The output may be any digital signal available in the clock For additional information on this optional output see Appendix B 3 7 RS 232 and RS 485 Communication Ports The clock has two standard communication ports COM1 and COM2 RS 232 is supported on COM1 and COM2 and RS 485 transmit only is supported on COM1 Fi...

Page 28: ... 0 25 mm to 2 5 mm 24 AWG to 14 AWG diameter wire For option boards that have terminals for output connectors see the respective section by option name in Appendix B for details about those options and connectors BNC connectors on installed option boards are female To connect wires to the terminal strip the insulation back to expose about 6 mm 1 4 in of bare wire DO NOT tin with solder Insert the ...

Page 29: ...the compass Minimal installations where the antenna is mounted in a less favorable location may work however reception may be limited during certain hours of the day 4 1 1 Mounting the Antenna The standard antenna is designed for pole mounting on a 26 mm pole 1 05 in OD or 0 75 in ID pipe with either a standard 1 in 14 TPI approximately M25 4 mm OD 1 81 marine mount thread or a 0 75 in NPT pipe th...

Page 30: ...e antenna mounting kit is designed specifically for use with antennas shipped with Arbiter Systems GNSS synchronized clocks The hardware included with the bracket allows installation of the antenna on a mast or pipe up to about 2 inches in diameter A different clamp may be substituted for use with a larger diameter pipe The antenna bracket can be mounted to a wall a roof or any other flat surface ...

Page 31: ... Antenna Installation 13 Figure 4 2 Antenna Mounting Bracket Mounting bracklet Mounting bracket stabilizer U bolt backing plate U bolt 3 4 x 4 Sch 80 PVC pipe Antenna cable Figure 4 3 Antenna with Mounting Kit ...

Page 32: ...age The message in the display will provide an overall rating of the antenna performance GOOD SHORT or OPEN An acceptable antenna voltage is from 4 9 Vdc to 5 1 Vdc Without a 5 Vdc signal applied to the antenna the GNSS clock will not synchronize with the satellite system and may generate an out of lock alarm if the Out of Lock feature is enabled Also the displayed message will change depending on...

Page 33: ...d Loss Considerations Standard Antenna Cable The standard antenna cable assembly included with the clock is constructed using a 15 m 50 ft length of RG 6 type low loss coaxial cable terminated with male Type F connectors Optional lengths of RG 6 coax are separately available for longer runs see Table 4 2 Cable Data and Accessory Information Effects of Cable Parameters To receive GNSS signals and p...

Page 34: ...mplifier 1 ns 21 dB Table 4 2 GNSS Cable Data and Accessory Information 4 1 T λ 1 CKv Where T Cable delay in nanoseconds λ Cable length in meters C Speed of light 3 108 meters per second Kv Nominal velocity of propagation 0 85 for RG 6 Attenuation Attenuation depends upon the cable length and the loss per unit length The total attenuation must be limited to 21 dB maximum at the GNSS L1 frequency o...

Page 35: ...lation Antenna Power The RF preamplifier within the antenna requires 5 Vdc at approximately 30 mA nominal for operation A power supply within the clock generates this voltage which is applied to the antenna via the two conductors of the coaxial antenna cable Avoid shorting the center conductor to the shield of the coaxial cable as it may damage the preamplifier Conversely a high resistance connect...

Page 36: ...remove the eight screws securing the cover and rack mount ears 3 Lift the cover off 5 2 Setting Mainboard Jumpers Figure 5 1 indicates important jumper and test point locations on the mainboard Use this illustration to assist you with locating the jumpers you may want to configure Jumpers are noted on the mainboard with a JMP prefix before the numbered location For example jumper 3 would have a la...

Page 37: ...SELECT JMP14 FIBER PORT SIGNAL SELECT JMP12 JMP7 JMP9 PORT 1 SOURCE SELECT PORT 3 SOURCE SELECT PORT 2 SOURCE SELECT RELAY CURRENT LIMITING JMP11 R24 PROGRAMMING PORT TP2 GND TP1 5V COM1 COM2 U29 FIBER OPTIC PORT OPTIONAL POWER SUPPLY A POWER SUPPLY B PORT 3 PORT 2 PORT 1 J5 J4 J6 K1 R24 JMP11 J11 J13 J7 J3 PORT 4 JMP1 TP6 TP7 100 kHz REF ANTENNA CONNECTOR ANTENNA LED TP3 TP5 TP4 GND 12V 12V LATCH...

Page 38: ...These two ports may also be jumpered to a 200 volt FET for pull down applications Additionally either port may be used as an event input Configuration requires two jumpers One jumper sets the type of signal and ther other sets the signal source See table 5 1 for a complete list 5 2 2 IRIG B Unmodulated 5 V Outputs A 5 VTTL unmodulated IRIG B signal is available with the following jumper configurat...

Page 39: ... to Chapter 10 for Event Input theory and configuration Port Number Required Jumper Positions COM 1 RS 232 JMP4 A 1 JMP4 B and JMP7 C 2 JMP4 C and JMP12 C 3 JMP4 D and JMP9 C Ext Connector Option E09 JMP4 E Table 5 6 Event Input Jumper Table 5 2 7 Relay Operation Two different relay operations can be set with jumpers 1 out of lock and 2 programmable pulse Switching conditions configured with jumpe...

Page 40: ...fiber Timing Signal Required Jumper Positions 1 PPS JMP13 A Programmable Pulse JMP13 B IRIG B unmod JMP13 C Table 5 8 Unmodulated IRIG B Jumper Table 5 2 9 Final Setup Instructions After correctly setting the necessary jumpers make sure to replace the clock cover before powering up the clock Read over Chapter 6 for a detailed understanding of the clock behavior during startup Configure clock opera...

Page 41: ...CD should display several introductory messages see below 3 Initially the SPDT relay should be in the faulted position 4 Eventually the UNLOCKED LED should extinguish 5 The SPDT relay should change to Locked non faulted position after a few minutes 6 The LCD should indicate that the clock is locked 7 After the startup messages the LCD should indicate TIME NOT AVAILABLE until the clock is stabilize...

Page 42: ... To enter the Learn mode see Section 7 6 6 2 1 Learn and Normal Modes During the learn mode the clock tracks its position over time looking for anomalies such as a satellite suddenly appearing or disappearing and satellites that are out of position It is during the learn mode that the clock establishes its basis of operation with the GNSS and anti spoofing protective measures are suspended After 2...

Page 43: ...ffset have no effect on this display 6 3 2 Time of Year Display UTC Displays UTC in Time of Year format which differs from the previous format by replacing the date with the day of year UTC 12 34 56 SAT DAY 123 2014 NOTE Daylight saving and local offset have no effect on this display 6 3 3 Time and Date Display Local Time This mode displays the time and date after applying the Daylight Saving Time...

Page 44: ...na Status provides the voltage and current supplied to the GNSS antenna Values indicated in the display below are fairly represent the Arbiter GNSS antenna at the time of this writing The clock can supply a range of voltage values to accommodate different antennas STATUS GOOD 5 02 V 29 mA If the display indicates that the clock is not tracking satellites 00 make sure that the antenna is mounted ou...

Page 45: ...lays the antenna elevation in meters and fractional meters referenced to the WGS 84 datum ELEVATION XXXXX XX m WGS 84 6 5 Timing Key Displays 6 5 1 Clock Status Press the TIMING key to review the clock with regard to its accuracy and stability While the clock is starting and learning about its position it is in the LEARN mode It is a time when the clock is most vulnerable to false or incorrect GNS...

Page 46: ... hours to calculate uncertainty for sixty minutes To view individual uncertainties for each time period go to the UNCERTAINTY screen press the ENTER key and then the UP or DOWN key to cycle through each value 6 5 4 Event Deviation There are two possible displays when pressing the ENTER key in the EVENT DEVIATION menu one for event recording and one for 1 PPS deviation EVENT DEVIATION Events or 1 P...

Page 47: ... version S N C00101 VERSION 00 01 6 6 2 Power Supply The clock may have one or two power supplies Power Supply A and Power Supply B A single power supply will be in position A and power supply B PSB voltage will show by dashes POWER SUPPLY STATUS PSA 24 3V PSB 6 6 3 EEPROM Errors If the number of corrected CORR errors begins to climb contact the factory about replacing the EEPROM EEPROM STATUS COR...

Page 48: ...eiving a 1 PPS signal from the GNSS receiver FAULT HO RECEIVER RECEIVER SUSPECT The Time Base Processor is receiving a 1 PPS signal from the receiver but its rate is out of bounds a parametric failure FAULT HO RECEIVER HO OSC SUSPECT The Holdover Oscillator frequency and or drift parameters are out of bounds parametric failure FAULT HO RECEIVER HO OSC LOOP UNLOCKED The Holdover Oscillator HO Phase...

Page 49: ... configure the level of security 7 1 Clock Security Notes The Utility is the only way to set up security features in the clock Security cannot be setup from the front panel or through RS 232 commands found in Chapter 11 Security must also be disabled to configure the clock using RS 232 commands 7 2 Configuring with the Utility The following sections illustrate how to use the Utility to configure t...

Page 50: ...ams For computers without serial ports you will need to use a USB to serial converter The clock does not have to be locked to GNSS during configuration Date time and position data however will not be accurate Some level of security is required to communicate with the clock and configure it The clock has six levels of security so that you can protect it from unwanted intrusion Figure 7 1 Utility So...

Page 51: ...six levels of security on the clock which will assist users in two ways 1 for a specific use and 2 protection from unintended use The clock allows two letter serial commands as used on earlier clock models however these commands will be restricted as described below Operation from the front panel interface will likewise be limited as shown in the table Level Password Front Panel Interface Two Lett...

Page 52: ... Utility select Settings Serial Port choosing the correct COM port associated with your computer See Figure 7 2 If your computer has its own serial port choose that one If you are using a USB to serial converter choose the one that is associated with your USB to Serial converter Figure 7 2 Connecting with the Clock Verify that the baud rate listed under Serial Port Settings is the same as on the c...

Page 53: ...populate all of the values in the Utility windows See Figure 7 3 Open selects a file to upload to a connected clock Open a file by selecting File Open or by clicking the Open icon blue folder For more information on uploading a configuration file to the clock go to Section 7 17 Figure 7 3 Reading the Clock Configuration If for some reason you get a message that the Utility could not read the clock...

Page 54: ...o run in the Promiscuous Mode Secure operation is not possible in the Promiscuous Mode or the Learn Mode Once the clock passes through the Learn Mode it will never again operate in the Promiscuous Mode To initiate the Learn Mode in the Utility menu choose Device then Start the Learn Mode or click the Start the Learn Mode icon Another menu should appear to verify your choice yes or no Once the Lear...

Page 55: ...Clock Status Four values are provided for clock status They are 1 whether the clock is in demo or normal mode 2 the time format 3 the date format and 4 the mean clock time quality and sigma Power Supply Provides the voltages for the internal power supplies A or A and B Antenna basic antenna cable status whether good or bad voltage and current supplied to the antenna through the cabling geographica...

Page 56: ...st power cycle current run time and total run time Time quality is a 2σ estimate of accuracy Estimated holdover uncertainty is an estimate of how the clock will drift based on the installed oscillator over various time intervals if the clock were to lose lock with the GNSS Since these are dynamic values you must read the clock to view new readings over time Those displayed are only good for the mo...

Page 57: ... reported fault from the status display The Mask box deactivates the triggering of the specific fault For example if you check the Mask box for Antenna the status message will not appear and recorded message will not be in memory if the antenna is disconnected or fails The Latch box assures that when a specific fault occurs that the status message will persist and not disappear until it is cleared...

Page 58: ...40 Utility Software 7 10 The Version Screen Choose the Version tab to view the clock serial number and firmware version which is defined by the release date Figure 7 8 Version Display Screen ...

Page 59: ...ort including broadcast modes When you click the read icon or select Device Read from the menu the Utility reads all the clock settings Check all of the settings listed under COM1 Port Settings If intending to broadcast a message from COM1 check the Broadcast section and select under Mode from a number of pre configured messages Custom broadcast messages may be created through the scripting as des...

Page 60: ...ing some new windows to select the start and stop date and time The start and stop times are given in minutes after midnight The start and stop dates are chosen by the week and weekday of the start and stop month DST Background In 2007 the U S Federal Government changed the start and stop dates to increase the number of days allotted to DST Prior to the change DST started at 2 00 a m the first Sun...

Page 61: ...ance of unmodulated IRIG B using Programmable Pulse In the IRIG window select a time zone either Local or UTC and the IEEE C37 118 1 setting either ON or OFF Figure 7 11 IRIG B Adjustment Screen IRIG B Connection Timing Information For additional information on time codes IRIG B and connecting see Chapter 9 Several application notes and white papers are available and address connection issues in m...

Page 62: ...ncrements depending on mode Pulse Delay The number of seconds after the top of the hour to delay the pulse in the Pulse per Hour mode 7 13 2 Auxiliary IRIG B Mode Select IRIG B under Mode and some of the other selections will normally change when you select a different mode Within this auxiliary IRIG B mode you will have the same setup variables as with the standard IRIG B outputs With any of thes...

Page 63: ...ble pulse See Table 5 1 Figure 7 13 Programmable Pulse Seconds Per Pulse Screen 7 13 4 Pulse Per Hour Mode Choose this programmable pulse mode to provide a pulse every X number of seconds after the hour where X can be from 0 to 3 599 seconds Configure the pulse width from 10 milliseconds to 600 seconds After configuring the pulse mode make sure to change the jumper for the chosen port to programma...

Page 64: ... Pulse Pulse Per Day Screen 7 13 6 Single Trigger Mode Choose this programmable pulse mode to provide a pulse every year at the chosen Julian Day of year hour minute second and fractional seconds Single Trigger polarity may start as either high positive or low negative When the trigger occurs it transitions to the opposite polarity and remains at that value until Single Trigger is deliberately res...

Page 65: ...Physikalisch Technische Bundesanstalt PTB Germany s national physics laboratory and transmits in continuous operation 24 hours It is operated by Media Broadcast GmbH previously a subsidiary of Deutsche Telekom AG on behalf of the PTB TDCF77 timing signal is a one minute time signal produced from any of the digital outputs but synchronized to the GNSS time signals and not the German system DCF77 Mo...

Page 66: ...t panel by pressing the Antenna key System Delay Compensates for the time delay of the antenna cable plus the antenna group delay Time is given in nanoseconds 10 9 s LCD Backlight Sets the LCD backlight operation to ON OFF or Auto mode In Auto mode the LCD backlight will illuminate when a key is pressed and will remain ON for about 30 seconds C Display Format Sets the Model 1201C to display the da...

Page 67: ...not shown in Figure 7 18 will appear Figure 7 18 Option Board Configuration Screen Option No Option Board Description Page E01 Four Additional Configurable Outputs 121 E02 Four Fiber Optic Outputs 124 E03 Eight Channel High Drive IRIG B Outputs 126 E04 Power System Time Frequency and Phase Monitor 131 E05 Four Additional Outputs with Dry Contacts and 25 50 Vdc 139 E06 NTP PTP Server Copper Copper ...

Page 68: ...on window select the Security tab to view all of the spoofing related information Note that for spoofing detection to be active the clock must be in the normal mode Spoofing Spoofing status currently comprises four measured values 1 position change 2 time messaging offset 3 fine time deviation and 4 fine time rate deviation Each value can be measured and presented with a number from 0 to 100 and a...

Page 69: ...ormation on clock s security see Section 7 3 7 17 Uploading a Configuration The Utility allows you to save a configuration file from one clock and upload the saved file to other clocks To do this 1 Start the Utility and connect to the originating clock Make sure you have chosen the correct COM port number and baud rate 2 Select Device Read or click the Read icon to download the configuration 3 Sel...

Page 70: ...e event buffer select Device Events Clear Events See Figure 7 21 While broadcasting event records the buffer will continually be overwritten with new data Therefore you would not need to use the Clear feature while broadcasting event data Figure 7 21 Clearing Events in the clock ...

Page 71: ...are see Figure 7 22 or click the Upload Firmware button and you will open a file browser window to select the firmware file 2 Select the file and click Open and a smaller Upload Firmware window should appear see Figure 7 23 3 Click the Upload to Device button and a progress bar should appear indicating the progress of the upload 4 At the same time the clock LCD display should indicate FIRMWARE UPL...

Page 72: ...u can use the Utility to save the default configuration to file 1 Disable security to level 0 on the clock using the utility software 2 Cycle power on the clock OFF then ON 3 Press the Setup key when you see the first message displayed on the LCD and display message should change to MODEL 120XX CLOCK VERSION DDMMMYY Then the display should change to read SET FACTORY DEFAULTS PRESS ENTER 4 Press th...

Page 73: ...d Configuration from the keypad is described in following sections Press any one of these four keys to initiate and progress downward through the menu structure TIME DATE ANTENNA TIMING SYSTEM UTC DATE TIME GNSS TRACKING CLOCK STATUS SERIAL VERSION UTC DAY OF YEAR GNSS SIGNAL TO TIME QUALITY POWER SUPPLY NOISE RATIO STATUS LOCAL DATE TIME GNSS SETTINGS HOLDOVER ESTIMATED EEPROM STATUS UNCERTAINTY ...

Page 74: ...dly pressing SETUP scrolls through the main menus in one direction In numeric data entry mode press SETUP to move the cursor to the left Alternate Menu Navigation Press SETUP once then press UP or DOWN to scroll the main menus in either direction ENTER Key Press ENTER to confirm changes made within setup menus Generally pressing ENTER also advances the next parameter or returns to the previous men...

Page 75: ...ault settings Most users elect to modify the clock settings to fit their locale and desired operation Default settings are listed in Table 8 3 Menu Item Default Menu Item Default COM 1 Port 9600 8 N 1 COM 2 Port 9600 8 N 1 Local Time DST none OFF Out of Lock 01 minute Relay Config ON ON ON OFFa Backlight Auto System Delays 60 ns Prog Pulse IRIG B IRIG Time Data UTC C37 118 1 OFF Event Deviation 1 ...

Page 76: ... button keypad KEY DISPLAY MENU 8 1 7 Numeric Data Entry Mode Numeric data entry mode is activated anytime you enter a menu that requires a change in numerical value When in this mode press UP or DOWN to change the numerical value of the digit Next press SETUP or ENTER to move the cursor to the left or right Keep moving along in this manner changing all the required digits to complete the whole nu...

Page 77: ...0 ENTER UP DOWN ENTER WORD LENGTH 8 BITS STOP BITS 1 UP DOWN ENTER UP DOWN ENTER PARITY OFF COM1 BROADCAST UP DOWN ENTER UP DOWN To continue ENTER BROADCAST MODE INTERROGATE SETUP To exit and go to next menu ENTER CUSTOM YEAR ASCII ASCII QUAL EXT ASCII STATUS EVENT DATA VORNE STD ASCII STD INTERROGATE MODE ODD EVEN OFF 2 1 230400 115200 57600 38400 19200 9600 4800 2400 1200 8 7 SETUP Figure 8 2 Ma...

Page 78: ...e 8 3 Local Hour Setup 8 3 1 Set Daylight Saving Time DST DST Summertime settings are a continuation of the SET LOCAL TIME menu shown in Figure 8 3 When the menu indicates SET DST SUMMER TIME make sure to follow the instructions on the clock display DST menus are illustrated in Figure 8 4 on the next page and are only available if you choose the AUTO selection They do not appear if you choose ON o...

Page 79: ...START MONTH MAR ENTER DEC MAR JAN DOWN UP START WEEK Second SUN of MAR ENTER 3rd from Last 2nd from Last Last Third Second First DOWN UP STOP DAY SUN ENTER STOP MINUTE 0120 ENTER SAT WED SUN 0720 0120 0720 DOWN UP DOWN UP STOP MONTH NOV ENTER DEC NOV JAN DOWN UP STOP WEEK First SUN of NOV ENTER 3rd from Last 2nd from Last Last Third Second First Default setting DOWN UP Figure 8 4 Auto Daylight Sav...

Page 80: ... Unlocked indications include an illuminated red unlocked LED and the SPDT relay switching to the unlocked or faulted condition The relay may also be configured to respond to several other clock conditions which are discussed in Section 8 5 For RS 232 command see Section 11 2 12 SET OUT OF LOCK ENTER SETUP OUT OF LOCK TIME 01 Min ENTER 99 MIN 01 MIN ZERO DELAY OFF Default setting DOWN UP Figure 8 ...

Page 81: ...ble pulse which is discussed below SET RELAY CONFIG ENTER SETUP Default DOWN UP ENTER OUT OF LOCK ON ON OFF DOWN UP FAULT OFF ON OFF DOWN UP ALARM OFF ON OFF DOWN UP STABILIZED OFF ON OFF ENTER ENTER ENTER Figure 8 6 Relay Setup 8 5 1 Triggering the Relay with a Programmable Pulse To work with built in programmable pulse features set up the relay jumper JMP10 as discussed in Section 5 2 4 then set...

Page 82: ...for the delay in time of the GNSS signal received at the antenna to reach the receiver The time delay is entered in nanoseconds 10 9 seconds and includes the antenna group delay and the antenna cable delay Antenna cable delay is a product of the length of the cable and the its velocity factor Without compensating for these delays the time would be slow by this amount To determine or calculate the ...

Page 83: ... the UP DOWN keys for each digit and ENTER as required To complete the installation after you have configured the numerical value keep pressing the ENTER key to move the cursor to the right and exit the menu NOTE Single Trigger transitions from low to high or high to low and remains in that condition until reset Therefore in single trigger mode pulse width does not apply For RS 232 command see Sec...

Page 84: ...ogic high and transitions low Refer to Section 8 8 above for additional detail on the Programmable Pulse settings For RS 232 commands see Section 11 2 10 SET PROG PULSE ENTER SETUP MODE SECONDS PER PULSE DOWN UP ENTER PULSE WIDTH 000 01 DOWN UP ENTER 600 00 000 01 SECONDS PER PULSE 00001 DOWN UP ENTER 60000 00001 TIME UTC DOWN UP ENTER LCL UTC Default Setting PULSE POLARITY DOWN UP ENTER SLOW CODE...

Page 85: ...ditional detail on the programmable pulse modes and entering numerical values For RS 232 commands see Section 11 2 10 SET PROG PULSE ENTER SETUP MODE PULSE PER HOUR DOWN UP ENTER PULSE WIDTH 000 01 DOWN UP ENTER 600 00 000 01 SECONDS AFTER HOUR DOWN UP ENTER 3599 0000 TIME UTC DOWN UP ENTER LCL UTC Default Setting DCF77 modified DCF77 SLOW CODE SINGLE TRIGGER IRIG B PULSE PER DAY PULSE PER HOUR SE...

Page 86: ...tes Seconds Fractional Seconds Programmable Pulse Width and Time Zone Local or UTC For RS 232 commands see Section 11 2 10 SET PROG PULSE ENTER SETUP MODE PULSE PER DAY DOWN UP ENTER HOUR 00 DOWN UP ENTER 23 00 TIME UTC DOWN UP ENTER LCL UTC MINUTE 00 DOWN UP ENTER 59 00 SECOND 00 DOWN UP ENTER 59 00 FRACTIONAL SECOND 00 DOWN UP ENTER 99 00 PULSE WIDTH 0 01 DOWN UP ENTER 600 0 01 DCF77 modified DC...

Page 87: ...u use this mode regular programmable pulse features are disabled Refer to Figure 8 13 when setting up this auxiliary IRIG B mode MODE PP IRIG B DOWN UP ENTER TIME UTC DOWN UP LCL UTC ENTER FORMAT DOWN UP IEEE C37 118 1 STANDARD ENTER SET PROG PULSE SETUP ENTER DCF77 modified DCF77 SLOW CODE SINGLE TRIGGER IRIG B PULSE PER DAY PULSE PER HOUR SECONDS PER PULSE PROG PULSE OFF Default STANDARD Figure ...

Page 88: ...ns only after resetting the single trigger Refer to Section 8 8 above for additional detail on the Programmable Pulse mode and entering numerical values For RS 232 commands see Section 11 2 10 SET PROG PULSE ENTER SETUP MODE SINGLE TRIGGER DOWN UP ENTER HOUR 00 DOWN UP ENTER 23 00 TIME UTC DOWN UP ENTER LCL UTC Default Setting MINUTE 00 DOWN UP ENTER 59 00 SECOND 00 DOWN UP ENTER 59 00 FRACTIONAL ...

Page 89: ...R HOUR SEC PER PULSE Default IRIG B TIME UTC POLARITY PROG PULSE OFF DCF77 modified DCF77 ENTER DOWN UP LOCAL UTC ENTER DOWN UP Figure 8 15 Slow Code Setup 8 8 8 Programmable Pulse DCF77 The clock can provide the DCF77 time signal as an output by choosing it from the front panel within the PROG PULSE selections or through the utility software The DCF77 time signal occurs once per minute and provid...

Page 90: ...8 17 IRIG B Time Data Setup 8 10 Setting the Event or Deviation Modes Use the SET EVENT DEVIATION menu to set up either the event capture or the 1 PPS deviation mode See Section 5 2 6 for information on setting a jumper for event deviation port selection Use this menu to configure for either event timing up to 50 stored events or one pulse per second 1 PPS deviation including sigma see Section 10 ...

Page 91: ...ons List in Appendix C for individual option setup instructions 4 BNC Connectors NTP PTP Server 4 Outputs 2 SSR s Time Freq Monitor 8 Hi Drive IRIG Outputs 4 Add Fiber Outputs NONE Default setting 4 Additional Outputs MAIN BOARD NONE DOWN UP FIBER OUTPUT NONE NTP PTP T F Server Figure 8 19 Option Control Setup 8 12 Model 1201C LED Display Date Format Use the SET C DISP FORMAT menu if you have a Mo...

Page 92: ...ing it 2 Enable the equipment to receive the timing signal if required Various methods are used to configure equipment to receive IRIG B time codes including setting a physical jumper or using a setup application in the instrument Some equipment can auto detect the timing signal so that nothing else is required other than connecting the cable 9 2 Timing Output Description The rear panels of the Mo...

Page 93: ...vice For example if the IED timing signal input e g IRIG B003 requires 10 mA one digital output should be able to support up to eight identical devices 9 2 3 Analog Driver Modulated IRIG B is available at Port 2 and uses an analog driver exclusively for this purpose Using an AD8531 amplifier the analog driver supplies 4 5 volts peak to peak Vpp to a 20 Ω source resistor then to the output connecto...

Page 94: ... kHz BCDT OY BCDY EAR CF SBS Table 9 2 IRIG B Time Code Types Available The IRIG B time code consists of 100 bits produced every second 74 bits of which contain various time date time changes and time quality information of the time signal Consisting of logic ones zeros and reference bits the time code provides a reliable method of transmitting time to synchronize a variety equipment Three functio...

Page 95: ...s To be able to use these extra bits of information protective relays RTU s and other equipment receiving the time code must be able to decode them Consult your equipment manual to determine if the IEEE C37 118 1 feature should be turned ON in the clock To view details of the IEEE Std C37 118 1 please check with the IEEE 9 3 4 1 Pulse Per Second 1 PPS A one pulse per second timing signal is very s...

Page 96: ...ansients and over current conditions To set timing output jumpers for programmable pulse with 200 V FET see Table 5 1 or 5 4 Next you will need to configure the type of programmable pulse mode and timing through the utility software 7 13 setup menus 8 8 or serial port 11 2 10 9 3 7 Protecting the 200 V FET Connection Open drain outputs are not internally protected against over current or overvolta...

Page 97: ...3 parity check bits CET is Central European Time and CEST is Central European Summer Time CET is UTC 1 00 and CEST is UTC 2 00 9 4 Connecting the Outputs The clock comes equipped with Phoenix style screw terminal connectors which are compatible with twisted pair cabling To attach strip the wires bare DO NOT tin with solder insert into the correct screw terminal positions and tighten clockwise Use ...

Page 98: ...is method makes more efficient use of the clock synchronizing capability since the clock drivers are designed to handle multiple loads The exact number of possible loads must be determined from the input impedance of each connected IED 9 4 4 Connecting Unmodulated IRIG B To drive multiple loads from one unmodulated IRIG B output make sure that the loads are wired in parallel A common term for this...

Page 99: ...r is rated differently than the shield For a twisted pair both of them should essentially have the same resistance per cut length Using 500 feet of 22 AWG shielded twisted pair wire and including the source resistor the available voltage would be as calculated in 9 3 9 3 V pp available 4 5 I 20 Rsource I 19 6 Rwire 0 54 V pp In this case 88 of the drive voltage is lost to the device with 100 mA of...

Page 100: ...compare it to your required accuracy As an example 840 feet of RG 6 cable with a velocity factor of 83 would delay the timing signal by one microsecond For IRIG B timing applications these delays may not be important compared to other criteria Otherwise you would be forced to compensate for the time delay using another method such as advancing the timing output or placing another master clock at t...

Page 101: ...nects the normally closed contact NC to the common contact COM The normally open contact NO operates in a manner opposite to the NC contact 10 1 3 Standard Voltage Relay Ratings Specification Value Arrangement 1 set of Form C SPDT contacts Contact resistance 100 mΩ Operate release time Approx 6 ms 3 ms Rated voltage 250 Vac 30 Vdc Rated switching cur rent resistive 8 A at 250 Vac 5 A at 30 Vdc Max...

Page 102: ... of of events in the buffer is full As soon as data is retrieved for a recorded event its address 1 to 25 is made available for data corresponding to a new event Because of the method used in the event recording circuit a minimum of 11 milliseconds must elapse between one event rising edge and the next in order to guarantee that the second event will be recorded If the second event occurs sooner t...

Page 103: ...vent Timer Input Channel Configuration In order for the clock to receive an event at one of the input connectors adjustments to both the hardware and software configuration may be required The hardware configuration is described in Section 5 2 7 and Section 5 2 6 10 2 6 Firmware Setup To display of Event Time Data or 1 PPS Deviation use See Figure 8 18 for detail on configuring the Event Deviation...

Page 104: ...s displayed with dashes A 1 PPS 00 00 µS SIGMA 00 00 µS A 1 PPS µS SIGMA µS 10 2 9 Clearing Records There are three methods to clear event records 1 using the utility software 2 using the front panel keys and 3 using RS 232 commands To clear the buffer from the front panel press the TIMING key four times and ENTER key twice This will cause the display to issue the following prompt CLEAR EVENT YES ...

Page 105: ...e clocks via the RS 232C serial interface All of the RS 232 commands are functionally grouped into similar categories For example Section 11 2 2 lists all of the commands used to broadcast the date and time in one of the standard formats Each command name and syntax is highlighted in bold at the beginning of each definition Detailed information used to interpret the commands and responses follows ...

Page 106: ...an day of year hh hour mm minute ss second CR Carriage Return Hex 0D LF Line Feed Hex 0A Broadcast Mode VORNE STD Command B2 O2 Starts the Vorne Standard large format display serial broadcast B2 COM1 O2 COM2 Data is transmitted ahead of time and the BEL character is transmitted on time The Vorne displays update simultaneously upon receipt of the BEL character Refer to Arbiter Systems Application N...

Page 107: ...2015 23 16 59 Previous Faults 0x0100 Present Faults 0x0140 3 06 11 2015 23 17 04 Previous Faults 0x0140 Present Faults 0x0100 Bit Wt N16 Status Bit Wt N16 Status 0 1 Acquiring Time 4 10 Alarm 1 2 Learn Mode 5 20 Stabilized 2 4 Normal Mode 6 40 Demo Mode Active 3 8 Unlocked 7 80 Reserved Table 11 1 Status Indications and Definitions Bit Wt N16 Fault Bit Wt N16 Fault 0 1 Communications fault 5 20 Po...

Page 108: ...y not guaranteed yy year ddd Julian day of year hh hour mm minute ss 000 second represents the location of an ASCII space used for clarity only Broadcast Mode ASCII QUAL Command B6 O6 Starts time of day broadcast appended with a time quality indicator B6 COM1 O6 COM2 Response SOH ddd hh mm ssQ CR LF Where SOH Hex 01 the start bit of the SOH character is transmitted on time ddd Julian day of year h...

Page 109: ...nd time GLL broadcast from the COM port that received the request Format n update rate in seconds 1 to 9999 Response GLL llll llll a yyyyy yyyy a hhmmss sss A cs CR LF Where GLL Geographic Position Latitude Longitude and time llll llll Latitude of position a N or S yyyyy yyyy Longitude of position a E or W hhmmss sss time of position fix in UTC A data state A is Active V is Void cs checksum CR Car...

Page 110: ... 2 ASCII characters 0 9 or A F Broadcast PATEK PHILIPPE MSG Command BA OA Starts the Patek Philippe broadcast BA COM1 OA COM2 Response T yy mm dd dw hh mm ss CR LF Where T on time mark Hex 54 yy year mm month dd day of month dw day of week hh hour mm minute ss second CR Carriage Return Hex 0D LF Line Feed Hex 0A Broadcast Mode KISSIMMEE MSG Command 1 nTB Starts the Kissimmee Telegyr 5700 broadcast...

Page 111: ... 0A Set Event Channel Time Command nTA Sets the time reference to either UTC or local Format n time format 0 UTC 1 local Response CR LF Set Channel Deviation Command AD Sets channel A to the 1 PPS deviation mode Response CR LF Set Channel Event Command AE Sets Channel A to the event recording mode Response CR LF Clear Event Buffer Command CA Clears the channel A event buffer and then resets the re...

Page 112: ...er Response d R nn S mm CR LF Where d input channel mode D PPS deviation E event nn channel read index 01 to 50 mm channel write index 01 to 50 CR Carriage Return Hex 0D LF Line Feed Hex 0A NOTE When nn mm the event buffer is empty i e all recorded event data has been read Return Clock Status Command SC Returns the current clock status Response g U xx S nn CR LF Where g locked to GNSS L locked U u...

Page 113: ...ration status in three parts System Status S Current Fault F Holdover GNSS HO GNSS Fault See Tables 11 1 11 2 and 11 3 for bit assignments of clock conditions Response S aa bb F cccc dddd HO GNSS ee ff CR LF Where aa current system status bb previous system status cccc current system status dddd previous system status ee current system status ff previous system status CR Carriage Return Hex 0D LF ...

Page 114: ...data logs and version logs Example Power Cycles 6 Run Hours 22 Data Logs 17 Version Logs 2 Clear System Log Messages Command 1201DX Clears all of the system messages stored in the Model 1201B C memory Command 1200DX Clears all of the system messages stored in the Model 1200B memory 11 2 6 Local Daylight Saving Time Setup Commands Return Daylight Saving Summer Time Settings Command 0DT Returns the ...

Page 115: ...mat w month 0 through 11 with 0 Jan 1 Feb 11 Dec x week of month 0 through 5 with 0 First 1 Second 2 Third 3 Last 4 Second from Last and 5 Third from Last y day of week 0 through 6 with 0 Sun 1 Mon 6 Sat z minutes after midnight z 0 through 1440 Response CR LF Local Offset Command Command hh mm L Sets the local offset from UTC Format positive negative hh hour 0 12 mm minute increments of 15 Respon...

Page 116: ...UTC Command IL IU Configures all IRIG B outputs to local time or UTC Format IL local time IU UTC Response CR LF Return Elevation Command LH Returns the current antenna elevation referenced to the WGS 84 datum Response nnnnn nn CR LF Where nnnnn nn 1000 00 to 18000 00 meters Return Latitude Command LA Returns the current antenna latitude Response xdd mm ss sss CR LF Where x hemisphere N North S Sou...

Page 117: ...mm month three character abbreviation yyyy year Return Local Time Return UTC Time Command TL TU Returns the current time in local time or UTC Format TL local time TU UTC Response ddd hh mm ss CR LF Where ddd Julian day of year hh hour mm minute ss second 11 2 10 Programmable Pulse Output Commands Pulse Width Seconds Per Pulse Command nnn nnPW Configures the pulse width for the Programmable Pulse o...

Page 118: ...he next occurrence of the specified time and date Format ddd day of year 1 through 366 hh hour 0 through 23 mm minute 0 through 59 ss second 0 through 59 ss fractional seconds in 0 01 increments 00 through 99 OU UTC OL for Local time Response CR LF Set Pulse Output to Slow Code Command nCM Configures the slow code pulse output Held high and goes low for two seconds on the minute and four seconds o...

Page 119: ...clock model to activate the large LED display Format n 0 1201B nn 1 1201C Return Display Buffer Command Z Returns the contents of Display Buffer Response Echoes current display 40 characters no line wrap Set Option Control Command m n kXI Configures the specified option board in the clock Format m option selection number see Table 11 5 n security key 1201 or 1200 k use only if m specifies Time and...

Page 120: ...A may be broadcast from COM1 and Custom B from COM2 Use the A command to create a Custom A string and the B command to create a Custom B string Available characters and controls that may define these strings are listed in Table 11 6 followed by custom string examples 11 3 2 Start Custom Broadcast Command B9 O9 B9 activates the Custom A string broadcast from the COM1 serial port O9 activates the Cu...

Page 121: ...e hh 00 12 o Local minute offset 0 59 minutes Pi Latitude where i 1 degrees dd 2 Minutes mm 3 Fractional minutes mmmm 4 Seconds ss 5 Fractional seconds fff 6 N North or S South pi Longitude where i 1 degrees ddd 2 minutes mm 3 fractional minutes 4 seconds ss 5 fractional seconds fff 6 E East or W West r Carriage return and line feed Sii String Type where ii 01 Status change 02 Vorne Opt28 03 Opt28...

Page 122: ...110 6 100 microseconds time within 10 4 s 0101 5 10 microseconds time within 10 5 s 0100 4 1 microsecond time within 10 6 s 0011 3 100 nanoseconds time within 10 7 s 0010 2 10 nanoseconds time within 10 8 s 0001 1 1 nanosecond time within 10 9 s 0000 0 Normal operation clock locked Table 11 7 List of Possible Time Quality Levels Ordinal 01 Symbol ASCII Character Accuracy space 32 locked maximum ac...

Page 123: ... broadcast string that produces one of the standard broadcasts By building up a custom string that produces a standard broadcast you to compare the output your custom string produces with that of the standard broadcast If the outputs agree then your custom string must be correct This should give you some confidence in constructing your own broadcast string In each broadcast example that follows th...

Page 124: ...ded and S01 which indicates a status change string type of 01 The separates the or of the true or false conditions only in this case there is no specified false condition Extended ASCII DTSS MSG Desired Output CR LF Q yy ddd hh mm ss 000 Input String Code T0D H0A 03 y d h m s 000 Input String Construction Notes Note that the ordinary method of starting the Ext ASCII broadcast is using the B5 or O5...

Page 125: ...ing the B8 or O8 command as described on page 91 The ASCII Year is identical to the ASCII Qual described above but includes the four digit year followed by a space that precedes the Julian day Notice that there are two characters for year y 0 to 99 and Y 2000 to 2xxx Common ASCII Characters Listed below are a few common ASCII control characters used with the clock For a more complete listing of AS...

Page 126: ...ages the composite oscillator The specific processor used in the TBP is designed for hard real time requirements as well as extremely fast execution of critical code Additionally since the TBP does not have to support the system level clock operation user interface and I O control the TBP does not have changes in the system level impacting the TBP operation This chosen architectural separation als...

Page 127: ...on six separate and independent outputs on the large connector block Each output driving up to 75 mA at TTL CMOS levels there is ample drive power for numerous relays and other IEDs Note that each of the three TTL CMOS outputs are individually configurable with two independent instances of IRIG B There are two serial outputs with two RS 232 serial ports and one RS 485 embedded in COM1 One set of m...

Page 128: ...lated or Event Input jumper selectable Port 3 IRIG B unmodulated 1 PPS Programmable Pulse or Event Input jumper selectable 12 3 2 Standard Output Signals IRIG B 1 kHz modulated 4 5 Vpp 3 Vpp with 50 Ω load 20 Ω source impedance IRIG B 5 V CMOS level shift unmodulated 10 Ω source impedance 75 mA drive 1 PPS 5 V CMOS 10 Ω source impedance 75 mA drive Programmable Pulse 5 V CMOS 10 Ω source impedance...

Page 129: ...Tx Data 8 RS 422 485 Tx A 4 RS 232 Output Prog Pulse 9 RS 422 485 Tx B 5 Ground Table 12 2 COM1 RS 232 Port Pin Definitions Pin Number Function Pin Number Function 1 Not Connected 6 Not Connected 2 RS 232 Rx Data 7 Not Connected 3 RS 232 Tx Data 8 Not Connected 4 Programmable Pulse 9 Not Connected 5 Ground Table 12 3 COM2 RS 232 Port Pin Definitions Connector 9 pin D type subminiature RS 422 485 T...

Page 130: ...broadcast ASCII string Local Time DST set local time zone offset from UTC and daylight saving time offsets Out of Lock Sets the time before an out of lock condition alarms Can be turned off Counts up to 45 days and clears when clock regains GNSS synchronization See Section 8 4 Relay Config The internal relay may be set to make break for the following conditions 1 out of lock 2 fault 3 alarm 4 cloc...

Page 131: ...rn yellow Unlocked red Alarm red Operate green Power A green Power B green Fault red Table 12 4 Annunciator LEDs 12 7 Physical Specifications 12 7 1 Dimensions Model 1200B 436 mm 44 mm 280 mm 17 2 in 1 7 in 11 0 in Model 1201B C 436 mm 44 mm 280 mm 17 2 in 1 7 in 11 0 in Antenna 80 mm 84 mm 3 2 in 3 3 in Table 12 5 Clock and Antenna Dimensions 12 7 2 Weight Model 1200B Model 1201B Model 1201C 1 4 ...

Page 132: ... on the rear panel Universal 85 Vac to 264 Vac 47 Hz to 440 Hz 20 VA or 110 Vdc to 350 Vdc 30 W typical with three position Terminal Power Strip and Surge Withstand Capability Low DC 22 Vdc to 67 Vdc dc only 30 W typical Uses a three position terminal strip and Surge Withstand Capability 12 9 1 Power Inlet Connector Uses a 3 pole terminal strip power inlet with Surge Withstand Capability see Figur...

Page 133: ...uced voltage spikes from nearby lightning strikes or other electrical events Figure A 1 GNSS Surge Arrester A 1 Description The Model AS0094500 is a three terminal device with two type F connectors and one ground terminal The type F connectors are interchangeable One connects to the antenna and the other connects to the receiver A screw terminal provides a connection point for an earth ground wire...

Page 134: ... should be avoided due to greater signal loss and poorer shielding at the GNSS frequency 1 575 GHz A 2 4 Weather Sealing the Connections To protect from weather use only type F connectors with appropriate sealing features Typically this includes an o ring in the male connector that seats against the face of the female connector on the surge arrester Also crimped connectors frequently include a sil...

Page 135: ...A 3 Physical Dimensions 117 Figure A 2 Suggested Mounting of the GNSS Surge Arrester ...

Page 136: ...mbers may be different for the other clock models Additionally there will be references to certain capabilities and specifications that apply only to specific clock models when using these options For example with Four Additional Outputs there will be a large list of possible signals that can be selected with the option board jumpers Many of these signals do not apply to the Model 1200B and the Mo...

Page 137: ...d from rear Block Size 25 mm 15 mm 18 mm 0 98 in 0 59 in 0 71 in W x H x D Approvals U L recognized C S A approved For AC operation input line may be connected between and without regard to polarity however proper grounding should always be employed Fuse Arbiter P N FU0003001 Current Rating 3 15 A Time Lag Voltage Rating 500 Vac 400 Vdc Size 5 mm 20 mm Surge Withstand Protection SWC Provides input...

Page 138: ... 2 Low DC Power Supply Inlet DC DC GND 22 67 VDC 30W TYPICAL DC ONLY B 3 2 Specifications Input Power DC Voltage 22 Vdc to 67 Vdc Input Power 20 Watts typical Terminal Strip Terminal Assignment Ground Left to right viewed from rear Block Size 25 mm 15 mm 18 mm 0 98 in 0 59 in 0 71 in W x H x D Block Material Glass filled thermoplastic Screw Size 6 32 1 4 in Screw Material Cadmium plated steel Term...

Page 139: ...IRIG B Modulated IRIG format B time code modulated onto 1 kHz 3 8 Vpp sine wave carrier 2 8 Vpp into 50 W Digital Outputs Output Type High speed CMOS 74HC126 0 V to 5 V with 47 W series resistor Available Outputs unmodulated IRIG B 1 PPS Programmable Pulse Out of Lock IRIG B IRIG format B time code unmodulated Cover Removal To change the configuration of this option the top cover of the instrument...

Page 140: ...de Clock Model To choose a specific signal for a specific output use jumpers described in Table B 1 The clock model is determined by jumpers JMP13 and JMP14 JMP13 Model 1088B JMP14 Models 1084 1093 1200 or 1201 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 JMP5 JMP6 JMP7 JMP8 JMP1 JMP2 JMP3 JMP4 JMP9 JMP10 JMP11 JMP12 JMP13 JMP14 1088 1084 1093 1201 Rev B J2 J3 J4 J5 Figure B 3 Jumper C...

Page 141: ...PPS square wave synchronous to the 1 PPS output 10 10 kPPS 10 000 PPS square wave synchronous to the 1 PPS output 11 1 kPPS 1 000 PPS square wave synchronous to the 1 PPS output 12 100 PPS 100 PPS square wave synchronous to the 1 PPS output 13 60 PPS 60 PPS square wave synchronous to the 1 PPS output 14 50 PPS 50 PPS square wave synchronous to the 1 PPS output 15 10 PPS 10 PPS square wave synchron...

Page 142: ... configuration Turn off the instrument and disconnect the power cord Using a T25 Torx driver remove the eight screws holding the cover and rack mount ears if used in place and lift the cover off B 7 2 Output Jumper Enable JMP2 JMP5 Select the output signal by setting jumpers JMP2 JMP3 JMP4 and JMP5 as described in Table B 2 and illustrated in Figure B 4 JMP1 enables position A or disables position...

Page 143: ...B 7 Four Fiber Optic Outputs 125 Figure B 4 Jumper Locations ...

Page 144: ...A load current each channel will drive 25 Schweitzer SEL 3xx in parallel or 50 SEL 2xx in series parallel relays at 10 mA per relay Maximum Load per driver Modulated No Limit will drive a short circuit Unmodulated 250 mA peak current pulse by pulse shutdown if load current exceeds internal limit self resetting Output Connector 16 position pluggable 5 mm Phoenix type terminal strip with eight 2 pos...

Page 145: ...B 8 8 Channel High Drive IRIG B Amplifier 127 Figure B 5 8 High Drive Outputs Jumper Locations ...

Page 146: ...8719 8720 8718 Non Shielded 8205 8461 8471 8473 8477 Total Loop Output Load and Voltage Drop SEL Relays 1 Loop Length ft Resistance at 0 25 V drop at 0 5 V drop I mA SEL 2xx 2 I mA SEL 3xx AWG20 AWG18 AWG16 AWG14 AWG12 10 Ω 25 2 50 5 500 800 1200 2000 3000 5 Ω 50 5 100 10 250 400 600 1000 1500 2 5 Ω 100 10 200 20 125 200 300 500 750 1 Ω 250 25 500 3 50 50 80 120 200 300 Table B 3 Example Output Lo...

Page 147: ...er or less Note 1 Shielding is optional However if shielding is used connect drain wire at source end of cable to a local surge ground Maintain shielding throughout bus by connecting drain wires together at each junction or drop point Do not connect drain wires at ends of cables Do not connect drain wires to signal wires Do not connect shield to ground at more than one location as this may result ...

Page 148: ...ing lines are short 5 Ω or less loop resistance then no further analysis is required As with unmodulated signals two or more drivers may be paralleled if desired Unlike the current limited unmodulated IRIG B drivers the modulated IRIG B drivers are impedance limited and will operate properly into any load impedance including a short circuit If the loop resistance is greater than 5 Ω then it may be...

Page 149: ...ide the twin BNC connector until you feel it begin to mate with the twin BNC input of the option assembly Once the connectors begin to mate then use the locking ring to secure the connectors together 2 Strip the unterminated end of this cable and prepare it as required for termination to your System Reference signal Do not connect the shield of the cable at the reference input end CAUTION The twin...

Page 150: ... is the typical performance of this measurement Amplitude accuracy is not guaranteed and amplitude measurements are provided primarily to verify that the unit is properly connected and receiving the expected signal level B 9 6 Phase Calibration Phase calibration has been performed at the factory and the calibration factor which must be entered into the clock non volatile memory for it to be effect...

Page 151: ... repeated here for emphasis CR LF Shorthand for Carriage Return Line Feed U UTC Time Channel A or B L Local Time Channel A or B Fifteen 15 RS 232 commands are available with this option The following conventions apply to all RS 232 communications Phase angle in all messages is defined as zero or 360 for the positive going zero crossing coincident with 1 PPS GNSS and is scaled between zero and 360 ...

Page 152: ...ime deviation seconds Return System Time Command TS TS returns the system time Response MM DD YYYY hh mm ss ssss SS CR LF Where MM Month DD Day of Year YYYY Year hh hour mm minute SS UTC seconds ss ssss seconds Set System Time UTC Command SU SU sets the option to reflect system time in UTC format Response CR LF Set Option System Time Local Command SL SL sets the option to reflect system time in lo...

Page 153: ...CR LF System Phase 89nnn nn CR LF System Magnitude 55ddd CR LF Day of Year BEL Hex 07 The decimal points shown above are not actually transmitted in the data stream but their position is implied The displays are configured to show the decimal point in this position Time Deviation is output in two formats in the same data stream 33 s ss and 34 sss sss Output for the 33 s ss format will be 9 bb when...

Page 154: ... seconds ppp pp Phase Angle 0 to 360 degrees vvv vv Line voltage rms Volts Start Broadcast Mode True Time Command BT OT BT configures COM1 to broadcast Time Time Quality and Frequency once per second in True Time format OT configures COM2 to broadcast Time Time Quality and Frequency once per second in True Time format Response broadcast mode UTC SOH DDD HH MM SSQTsDS thmFsU thm CR LF Where SOH ASC...

Page 155: ...seconds Set Phase Calibration Command p kPC p kPC sets the phase calibration offset Phase offset is stored in protected RAM Response CR LF Where p Phase Offset in degrees k Security Key e g 1201 Set Voltage Amplitude Correction Command v kRV v kRV sets the system voltage amplitude correction Response CR LF Where v Voltage correction per unit with 1 000 000 equal to no correction k Security Key e g...

Page 156: ...ay Local ss Status 0 Locked 1 Unlocked first character is Reference Status second character is clock status per IEEE C37 118 1 f fff signed Frequency Error in Hz t tttt signed Time Deviation in seconds ppp pp Phase Angle 0 to 360 degrees vvv vv Line voltage rms Volts ...

Page 157: ... accept wire sizes of 0 25 to 2 5 mm2 AWG 12 to 22 See Table B 5 and Figure B 7 for Connector Configuration Digital Outputs Output Quantity 4 Output Type 5 V CMOS individually configurable Output Rating 5 V open circuit nominal 75 mA peak current per channel 3 5 V typical at 75 mA peak current Available Output Sig nals Jumper selectable to any of the digital signals available from the clock mainfr...

Page 158: ...und for non grounded load See Table B 10 2 Operating Modes of SSR Outputs Operating Modes of SSR Outputs Mode Dry Contact Closure 1 SSR Output 1 Connect load to pins 10 and 11 polarity not important 2 SSR Output 2 Connect load to pins 14 and 15 polarity not important Mode Contact Closure to Ground 1 Short pins 9 and 10 connect load to pin 11 2 Short pins 13 and 14 connect load to pin 15 Mode 25 50...

Page 159: ...Output 2 JMP6 Signal Select Default 1 PPM 15 SSR Output 2 JMP8 Standard 50 ms Default 50ms 16 Leftmost 25 50 Vdc 2 JMP11 25 50 Vdc Default 50 Vdc Table B 5 Output Connectors and Setup Jumpers B 10 3 Firmware Configuration 1 It is necessary to verify the configuration in the Option Setup Menu so the option is recognized 2 Apply power and observe the front panel display when TIME NOT AVAILABLE is di...

Page 160: ...move rack ears if equipped and remove top cover using a T25 Torx driver 4 screws 3 Locate the appropriate jumper using Figure B 6 and move the jumper to the desired setting 4 Replace the top cover and rack ears if equipped 5 Connect the power cord to the rear panel and set the line power switch to ON position if equipped Figure B 6 Option Jumper Locations ...

Page 161: ...B 10 Four Additional Outputs and Dry Contacts 25 50 Vdc 143 Figure B 7 Option Connector Signal Locations ...

Page 162: ...d over the network interface to computers controllers and other equipment needing the correct time The NTP PTP Server allows a secure connection to configure using either the preferred HTTPS Web Interface or using the SSH Console Precision Time Protocol PTP Server The NTP PTP Server allows the clock to act as a Precision Time Server PTP according to Standard IEEE 1588 2008 However for highest accu...

Page 163: ...in Clock Before you can use the NTP PTP Server in your clock make sure that it is selected as an option Check the configured option using the Utility software under the Option tab Select NTP PTP Server in the drop down window Selection may be also checked at the front panel with security disabled by pressing the SETUP key and checking under the SET OPTION CONTROL submenu 1 Press the SETUP key unti...

Page 164: ... During the stabilization process the clock will display different status messages that indicate whether the NTP server is ready to serve time Clock stabilization requires the clock to be locked to the GNSS for a period of time after which it will provide its time to the NTP PTP Server To view NTP PTP status messages press the SYSTEM key several times until reaching OPTION STATUS then press ENTER ...

Page 165: ...g RS 232 Commands Type IP in the terminal window and the clock should return the IP and MAC addresses for both ports in separate lines The IP command will return dashes for an IP address when no cable is connected to that port NTP PTP Server LED Indications To view the NTP PTP Server Status LEDs see the NTP PTP Server rear panel The figure and Table B 7 below describe the indications LED Name Colo...

Page 166: ...o the old settings Logging in to the Web Interface The Web Interface responds when you open a web browser and type in the IP address of one of the NTP PTP Server ports Each IP address may also be viewed on the front panel display if the port is connected to a network Default Port Addresses NET 1 192 168 000 232 NET 2 DHCP 1 Connect an Ethernet cable between one of the Ethernet ports on the NTP PTP...

Page 167: ... reboot the clock After making any changes to the NTP service you may experience a delay of up to five minutes for the NTP service to start Startup Page System When logging in to the NTP PTP Server using the web interface the opening screen should be the System Status information page This provides an overview of the operation of the NTP PTP Server Figure B 8 illustrates the opening System Status ...

Page 168: ... SSH Console responding to ping requests and setting your time zone Time zone setting only changes the time as it is read on the web interface under the Clock selection Just as the receiving device must convert the NTP PTP time as it arrives at the device to local time zone so the clock time in the web interface can display local time A number of time zone settings are found in Section B 11 7 Figu...

Page 169: ...10 Configure HTTPS Enable Timeout for Web Interface See Figure B 9 Check the box adjacent to Enable Session Timeout if you want the NTP PTP Server to automatically log off of the web interface after a predetermined number of minutes Minutes are declared in the adjacent box from minimum of 3 to a maximum of 1440 Console Interface See Figure B 9 Check the box adjacent to Enable Session Timeout if yo...

Page 170: ...es To update any NTP PTP Server firmware package follow these instructions From Figure B 9 select the Update tab and click the Choose File button shown in Figure B 12 This should open your file browser in which you should be able to locate the file package obtained from Arbiter Systems Click the Update button and the file should load to the NTP PTP Server After uploading the package the NTP PTP Se...

Page 171: ...e IP addresses MAC addresses and some standard data traffic statistics NTP PTP Clock Network Support Logout System Status Configure NTP PTP Server Module SNMP Ethernet Port 1 Not Active IP Address 10 10 1 144 MAC Address 64 73 E2 00 18 F2 Rx 134282 1301 0 9 Tx 157620 840 5 0 Bytes Packets Errors Dropped Ethernet Port 2 IP Address 10 10 1 145 MAC Address 64 73 E2 00 18 F3 Rx 5626446 37801 0 462 Tx ...

Page 172: ...ess 64 73 E2 0018 F2 Mode DHCP Static Status Configure NTP PTP Server Module Enable VLAN Ethernet Port 2 MAC Address 64 73 E2 0018 F3 Mode DHCP Static Address Netmask Gateway Enable VLAN 192 168 0 232 255 255 255 0 Apply Reset SNMP Figure B 15 Configure Network Settings Configure VLAN To configure VLAN network settings follow these instructions Check the box to the left of Enable VLAN to open thes...

Page 173: ...r Module 10 April 2014 12 26 30 PDT Time Quality Satellites Tracked Satellites Visible Leap Seconds Current GNSS UTC Offset Status Locked 16 18 16 Not Pending SNMP Figure B 17 View Operation SNMP Status View this web interface page to check the SNMP status as illustrated in Figure B 18 For additional detail on SNMP see SNMP Support in Section B 11 5 NTP PTP Clock Network Support Logout System NTP ...

Page 174: ...me Set System Time Change Zero Satellites visible NTP Application Start NTP Application Stop PTP Application Start PTP Application Stop SNMP Application Start SNMP Application Stop Trap Receivers IP Address 1 IP Address 2 IP Address 3 10 10 1 236 Apply Reset Figure B 19 SNMP Configuration Page Checking the box enables the specific item unchecking disables the specific item in the SNMP Configure pa...

Page 175: ...is referenced to International Atomic Time TAI from the French name Temps atomique international The time offset may change from time to time when leap seconds are added Figure B 20 illustrates the status of PTP NTP PTP Clock Network Support Logout System Status Configure NTP PTP Server Module SNMP PTP Service Current UTC PTP Offset Enabled Running 35 Figure B 20 PTP Status Page ...

Page 176: ...onfigure NTP PTP Server Module SNMP Enable PTP Service Domain Number Announce Interval Sync Interval Min Delay Request Min Peer Delay Request Announce Receipt Timeout Delay Mechanism Protocol 0 2 2 2 2 3 PTP UDP IPv4 6 20 10 128 Apply Reset Clock Class Clock Accuracy Priority 1 Priority 2 Enable Power Profile Hide Advanced Organization Sub Type Grandmaster ID Grandmaster Time Inaccuracy Network Ti...

Page 177: ... only used when peer to peer P2P Delay mechanism is used Should be the Sync Interval but 32 times the Sync Interval Announce receipt timeout the number of Announce Intervals that have to pass without receipt of an Announce message before another grandmaster capable clock starts sending its own announce messages The number is a multiple of the Announce Interval The minimum number is 3 Delay mechani...

Page 178: ...ts the amount to adjust the local clock to bring it into correspondence with the reference clock Frequency frequency offset PPM relative to hardware clock System Jitter psi is defined as the root mean square RMS average of the most recent offset differences and it represents the nominal error in estimating the offset of the system Clock Jitter is defined as the root mean square RMS average of the ...

Page 179: ...e NTP Version include Versions 1 2 3 and 4 Multicast and Broadcast addresses may be typed in the assigned boxes Option 34 Network Time Module Status Configure NTP PTP SNMP Clock Network System Support Logout Authentication NTP Version Multicast Address Broadcast Address Ethernet Port 1 Ethernet Port 2 4 Apply Reset Figure B 23 NTP Configure Page ...

Page 180: ...revents them from updating the local clock NTP authentication is disabled by default Option 34 Network Time Module Status Configure NTP PTP SNMP Clock Network System Support Logout Authentication Apply Reset M Enable Authentication M M M M Key Table ID Format Key Trusted Figure B 24 NTP Authentication Page There are four authentication formats S N A M with different rules for each of the keys For ...

Page 181: ... CA 93446 805 237 3831 800 321 3831 US Canada Mexico only Mon Thu 7 00am 5 30pm Pacific Time www arbiter com techsupport arbiter com NTP PTP Clock Network Support Logout System Contact Version NTP PTP Server Module SNMP Web Management Core Modules Option 34 35 Auth01 Option 34 35 Data Server Firmware Hardware Option 34 Startup App System Monitor CLOI Arbiter 1201 Board 01 462 1 4 1 4 1 4 1 4 2 0 1...

Page 182: ... NTP PTP Servers Figure B 26 illustrates the opening page User ssh clockoption IP address 80x24 Time Protocol Server ARBITER SYSTEMS NTP PTP SNMP Clock Network System Support Logout Status Configure Password Update Reboot System Time System Time Offset Time Quality NTP PTP SNMP SNMP Traps Temperature 14 28 33 05 19 2014 114us Locked Running Enabled Running Enabled Running Enabled 33 3C Figure B 26...

Page 183: ... ssh clockoption IP address 80x24 Time Protocol Server ARBITER SYSTEMS NTP PTP SNMP Clock Network System Support Logout Status Configure Password Update Reboot Web Interface HTTP HTTPS Port 80 Enable Session Timeout Console Interface Enable Session Timeout Miscellaneous X Respond to Ping Requests Time Zone Setting PST8PDT7 Apply Reset Figure B 27 System Configure Page Using SSH Configure HTTPS Pag...

Page 184: ...m Password page Figure B 28 In the System Password page fill in the old and new password Remember to write down any new password and keep it in a safe place Computer Name ssh clockoption IP address 80x24 Time Protocol Server NTP PTP Figure B 28 Configure System Password Using SSH ...

Page 185: ...ow in brackets Server 10 10 1 149 Port 22 Username user Filepath User user Desktop opt34 tps 02 08 update 00 07 apf Type the values as indicated in the Update window The server is considered remote since the Option 34 is pulling a file from the server In this example the server was a local computer on the same subnet as the clock Depending on your network and DNS configuration you may enter a host...

Page 186: ...addresses and some standard data traffic statistics Computer Name ssh clockoption IP address 80x24 Time Protocol Server ARBITER SYSTEMS NTP PTP SNMP Clock Network System Support Logout Status Configure Ethernet Port 1 IP Address 10 10 1 145 Hardware Address 64 73 E2 00 17 38 Bytes Packets Errors Dropped Rx 2649123 39782 0 110 Tx 1554398 11894 5 0 Ethernet Port 2 Not Active IP Address Hardware addr...

Page 187: ...Server ARBITER SYSTEMS NTP PTP SNMP Clock Network System Support Logout Status Configure Ethernet Port 1 Hardware Address DHCP Static IP Address Netmask Gateway Enable VLAN Ethernet Port 2 Hardware Address DHCP Static X Enable VLAN VLAN ID 0 VLAN Priority 0 64 73 E2 00 18 F2 192 168 000 232 255 255 255 0 64 73 E2 00 18 F3 Apply Reset Figure B 31 Configure Network Settings Using SSH Enable VLAN Fro...

Page 188: ...Quality Satellites Tracked Satellites Visible Leap Seconds Current GPS UTC Offset Status Locked 26 23 16 Not Pending Figure B 32 View Operation Using SSH SNMP Status Use the cursor keys to select SNMP then Status and press ENTER to view the SNMP status as illustrated in Figure B 33 Computer Name ssh clockoption IP address 80x24 Time Protocol Server ARBITER SYSTEMS NTP PTP SNMP Clock Network System...

Page 189: ...Figure B 34 PTP Status Page Using SSH Configure PTP Service Please use the Web Interface to configure PTP See Section B 11 3 for more information NTP Status Page Use the cursor keys to select NTP then Status and press ENTER Figure B 35 illustrates the status page for NTP Computer Name ssh clockoption IP address 80x24 Time Protocol Server ARBITER SYSTEMS NTP PTP SNMP Clock Network System Support Lo...

Page 190: ... the clock Clock wander is the RMS of exponentially weighted frequency differences This is not used directly but can along with the jitter be a highly useful monitoring and debugging tool Stratum the level of each server in the hierarchy is defined by a stratum number Primary servers are assigned stratum one NTP Configure To configure NTP follow these instructions Use the cursor keys to select NTP...

Page 191: ... local clock NTP authentication is disabled by default Computer Name ssh clockoption IP address 80x24 Time Protocol Server ARBITER SYSTEMS NTP PTP SNMP Clock Network System Support Logout Status Configure Authentication X Enable Authentication Key Table ID Format Key Trusted M M M M M Apply Reset Figure B 37 NTP Authentication Page Using SSH There are four authentication formats S N A M with diffe...

Page 192: ...805 237 3831 Mon Thu 7 00am 5 30pm Pacific Time www arbiter com techsupport arbiter com Computer Name ssh clockoption IP address 80x24 Time Protocol Server ARBITER SYSTEMS NTP PTP SNMP Clock Network System Support Logout Contact Version Update Log Console Management Core Modules Auth01 TPS UI Content Firmware Hardware Startup App System Monitor CLOI Arbiter 1201 Board 01 462 2 5 2 2 2 2 1 3 1 4 1 ...

Page 193: ...he NMS to efficiently retrieve large blocks of data InformAllows one NMS to send trap information to another NMS and to then receive a response SNMP v3 Security Enhancement User based Security Model USM for SNMP message security View based Access Control Model VACM for access control Dynamically configure the SNMP agents using SNMP SET commands Management Information Base MIB Table Object names ar...

Page 194: ...his item to make any snmp trap active 1 Enable System Start notifies when the System i e NTP PTP Server starts up 2 Enable System Stop notifies when the System i e NTP PTP Server stops 3 Enable Admin Login notifies when someone logs in to the NTP PTP Server 4 Enable Admin Logout notifies when someone logs out from the NTP PTP Server 5 System Time Quality notifies when the time quality changes 6 Sy...

Page 195: ...D 201205250000Z ORGANIZATION Arbiter Systems CONTACT INFO Arbiter Systems Inc Paso Robles CA Tel 1 805 237 3831 DESCRIPTION This MIB module defines a MIB which provides general information about an Arbiter Systems product arbiter 1 device OBJECT IDENTIFIER sys 1 diag OBJECT IDENTIFIER sys 2 config OBJECT IDENTIFIER sys 3 gnss OBJECT IDENTIFIER sys 4 systrap OBJECT IDENTIFIER sys 5 ntp MODULE IDENT...

Page 196: ...or the General Information group device 1 sysDevProduct OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION The product family on which this agent is running device 2 sysDevModel OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION The device model device 3 sysDevSerialNumber OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current ...

Page 197: ... only STATUS current DESCRIPTION The device model version 4 sysDevVerClock OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION The device model version 5 sysDevVerNTP OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION The device model version 6 sysDevVerPTP OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION The d...

Page 198: ...PE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION Clock time quality status diag 3 sysDiagNtpStatus OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION The operational status of NTP diag 4 rec1 OBJECT IDENTIFIER gnss 1 gnssRec1Label OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION String identifier for receiver 1 rec1 ...

Page 199: ... OCTET STRING MAX ACCESS accessible for notify STATUS current DESCRIPTION System shutting down systrap 2 systrapAdminLogin OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS accessible for notify STATUS current DESCRIPTION System administrative login systrap 3 systrapAdminLogout OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS accessible for notify STATUS current DESCRIPTION System administrative logout systrap...

Page 200: ... current DESCRIPTION the current local time Local time is derived from the hardware clock of the particular machine and increments at intervals depending on the design used ntpsys 3 ntpSysOffset OBJECT TYPE SYNTAX Integer32 MAX ACCESS read only STATUS current DESCRIPTION ntpsys 4 ntpSysFreq OBJECT TYPE SYNTAX MilliUnits MAX ACCESS read only STATUS current DESCRIPTION ntpsys 5 ntpSysSysJitter OBJEC...

Page 201: ...e values greater than zero are possible ntpsys 10 ntpSysLeap OBJECT TYPE SYNTAX Integer32 MAX ACCESS read only STATUS current DESCRIPTION two bit code warning of an impending leap second to be inserted in the NTP timescale ntpsys 11 ntpSysStratum OBJECT TYPE SYNTAX Integer32 0 255 MAX ACCESS read only STATUS current DESCRIPTION indicating the stratum of the local clock 0 unspecified 1 primary refe...

Page 202: ... DESCRIPTION NTP server powering up ntptrap 1 ntptrapShutDown OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS accessible for notify STATUS current DESCRIPTION NTP server shutting down ntptrap 2 ntptrapSynchronized OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS accessible for notify STATUS current DESCRIPTION NTP server synchronized to GNSS ntptrap 3 ntptrapSynchronizationLost OBJECT TYPE SYNTAX OCTET STRIN...

Page 203: ...ring In the case of stratum 2 and greater secondary reference this is the four octet Internet address of the peer selected for synchronization ntpSysRefTime the local time when the local clock was last updated If the local clock as never been synchronized the value is zero ntpSysPoll the minimum interval between transmitted messages in seconds as a power of two For instance a value of six indicate...

Page 204: ...e Network Two Ethernet Version 2 0 IEEE 802 3 10 100BT or multimode SSF modules Protocols NTP SNTP PTP IEEE 1588 2008 UDP ICMP SNMP TCP SSH SCP SSL HTTP HTTPS Operator Interface Management Web and SSH Console Status LEDs Sync green Fault red Link green 10baseT yellow 100baseT Setup IP number DHCP or Static Net Mask Reference Identifier UDP Broadcast parameters MD5 and DES authentication keys are o...

Page 205: ...eenland Standard Time GST3 Korean Standard Time KST 9KDT Newfoundland Standard Time NST3 30NDT China Coast Time CCT 8 Atlantic Standard Time AST4ADT Hong Kong Time HKT 8 Western Standard Brazil WST4WDT Singapore Standard Time SST 8 Eastern Standard Time EST5EDT Western Australian Standard WAS 8WAD Chile Standard Time CST5CDT Java Standard Time JST 7 30 Acre Standard Time AST5ADT North Sumatra Time...

Page 206: ...or The three BNC outputs are connected in parallel with the existing pluggable terminal strip outputs while the fourth connector provides a BNC event deviation input and cannot be configured as an output The standard pluggable terminal strip outputs are still usable but both connectors now share the drive capability Physical Configuration The connectors are mounted on an option plate connected to ...

Page 207: ... examples the symbol B denotes the command prompt C 1 1 Step 1 Generate a Private Key The following command will generate a 1024 bit RSA private key Please keep this file safe secure and not accessible to the public Bopenssl genrsa out private key 1024 The generated file private key might look like the following BEGIN RSA PRIVATE KEY MIICXgIBAAKBgQDPoNigXmq2JAlw9DrD0P5Og5c5xsEnt9bPjfuE7MGkDEGN09sC...

Page 208: ...SL Certificate must be purchased from a trusted authority If you do not require this level of protection you may go to Step 3B Generate a Self Signed Certificate Most certificate vendors will ask for the generated CSR file from Step 2 to be pasted into a field in a web page during the purchase procedure Be sure to copy the entire contents of the file including the BEGIN and END tags with the dashe...

Page 209: ... File Once you have a purchased a certificate or have a self signed certificate file the following command will create a single PEM file including the key and the certificate from the previous steps Bcat private key my crt mycert pem Please note the greater than symbol between my crt and mycert pem The file mycert pem can now be uploaded to the NTP PTP option in order to enable HTTPS ...

Page 210: ...Appendix D CE Mark Certification The following pages contain the individual CE Mark Certifications for models covered in this manual This includes Model 1200B Model 1201B and Model 1201C ...

Page 211: ...es CA 93446 USA Harmonized EN55011 Class A Radiated and Conducted Emissions Standard EN50082 1 Generic Immunity Part 1 Referenced Residential Commercial and Light Industrial Environments EN61010 1 Safety requirements of Electrical Equipment for Measurement Control and Laboratory Use Signed Signatory Bruce H Roeder This certificate declares that the described equipment conforms to the applicable re...

Page 212: ...Appendix E Statement of Compliance The following page is a statement of compliance that includes Model 1201B and 1201C ...

Page 213: ... in use world wide by the electric power industry Arbiter Systems does not supply a type test certificate as requested for GNSS systems as the accuracy is a function of the GNSS system and not of the receiver However we Arbiter hereby certify that this equipment conforms to all Arbiter Systems Incorporated specifications for material and process All Arbiter Systems calibration products are supplie...

Page 214: ...s 82 distance 80 physical protection 17 timing output 79 user supplied 17 wire losses 81 CE mark certifications 192 chapter list v command key definitions 5 communication ports 87 configuration default 57 configure appl software COM parameters 41 connect 34 display 40 IRIG B 43 prog pulse 44 pulse per day 46 pulse per hour 45 read configuration 35 seconds per pulse 45 single trigger 46 status 37 t...

Page 215: ...t indication 30 indications 89 oscillator 19 oscillators 1 out of lock 62 HTTPS using 151 initial LED indication 23 initial startup sequence 23 inlet power 7 ip address making changes 149 IRIG B IEEE C37 118 1 description 77 modulated voltage matching 81 timecode description 76 unmodulated 76 waveform comparison 76 year information 77 issuance ii jumpers 1 PPS 20 event input 21 fiber optic 22 main...

Page 216: ...S 232C command set 87 security introduction 1 setup 33 self signed certificate 189 serial command backlight off 98 broadcast ABB 92 broadcast ASCII Quality 90 broadcast ASCII Std 88 broadcast custom 102 broadcast Event Data 89 broadcast Extended ASCII 90 broadcast Kissimmee 92 broadcast NMEA183 GLL 91 broadcast NMEA183 ZDA 91 broadcast Philippe 92 broadcast Status Fault 89 broadcast strings 88 bro...

Page 217: ...configuring traps 176 enabling 176 mib object definitions 185 mib table 177 mib table info 175 service 175 traps or notifications 175 version info 175 solid state relays 140 SSH console 164 configure https 165 configure network settings 169 configure ntp 172 configure password 166 configure ptp 171 configure snmp 170 configure system 165 configure timeouts 165 enable vlan 169 GNSS status time qual...

Page 218: ... manual v warranty iii web interface 148 configure network settings 154 configure ntp 161 configure password 152 configure ptp 158 configure snmp 156 configure vlan 154 GNSS status time quality 155 IP address 148 logging in 148 network settings 153 ntp authentication 162 ntp status 160 ntp terminology 160 ntp ptp server support information 163 ptp status 157 snmp status 155 startup page 149 system...

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