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viii

Installation and Operations Manual

Product Order Code: N2920-aa-1-cc-2-e-2-g-h-i   . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Product Order Code: N2920-aa-2-cc-0-N-1-g-h-i  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Product Order Code: N2920-aa-2-cc-0-N-1-B-h-i  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Product Order Code: N2920-aa-2-cc-0-N-f-g-h-i   . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Product Order Code: N2920-aa-2-cc-1-e-1-N-h-i  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Product Order Code: N2920-aa-2-cc-1-e-1-A-h-i  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Product Order Code: N2920-aa-2-cc-1-e-f-g-h-i  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Product Order Code: N2920-aa-2-cc-2-e-1-N-h-i  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Product Order Code: N2920-aa-2-cc-2-e-f-g-h-i  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Connecting Wiring in the Transmitter    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Connector Locations: Communications Circuit Board   . . . . . . . . . . . . . . . . . . . . . . . . 44
Connector Assignments: Communications Circuit Board  . . . . . . . . . . . . . . . . . . . . . . 45
   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Connector and Switch Locations: AC Power Supply Circuit Board   . . . . . . . . . . . . . . 47
Connector Assignments: AC Power Supply Circuit Board  . . . . . . . . . . . . . . . . . . . . . 47
Selecting the AC Voltage Setting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Setting Optional Outputs as NC or NO  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Wiring Limit Switches  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

5

Display and Configuration Interface  . . . . . . . . . . . . . . . . . . . . . . . . . . . .51

Indicators  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Configuration   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
System Data   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

PIN Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Basic Setup   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Local RS-232  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
System Time   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Encoder Data    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
RTD Data    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Tank Data   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Digital Outputs  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Analog Input    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Analog Input User Calibration  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Analog Out    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Analog Output User Calibration   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

BPM Data    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
MODBUS Data  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Mark/Space Data  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
L&J TankWay  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
NMT Prothermo  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
HART Device  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
FMR Radar   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
HART Master  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Calibration   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Calibrate Level Shortcut  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

6

Bi-Phase Mark  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101

Basic Parameters    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

7

MODBUS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105

Basic Parameters    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
2920 EIA-485 MODBUS Hardware Setup  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Содержание 2920

Страница 1: ...tions for oil gas defense and aviation applications Installation and Operations Manual Dispatch and Fuels Accounting 2920 Float Tape Transmitter Precision instrument for remote monitoring of tank leve...

Страница 2: ......

Страница 3: ...the trademarks of their respective companies Documentation Control This document and the information provided within are controlled by the approvals agency s listed below All changes to this document...

Страница 4: ...r application The information in this instruction manual is not all inclusive and does not and cannot take into account all unique situations Consequently the user should review this product literatur...

Страница 5: ...t guarantee the safety of the system Note Comply with all applicable regulations codes and standards For safety precautions the user should refer to the appropriate industry or military standards Caut...

Страница 6: ...of joints is necessary Warning The flamepath joints are not repairable by the end user Consult the factory for repair or replacement Warning Conduit seal required within 50 mm of conduit entries to en...

Страница 7: ...ing 17 Overview 17 Safety Guidelines 18 Checking Line Resistance 18 Terminating System Wiring at the Transmitter 19 Junction Box Terminals 19 Communications Wiring 20 RTD Wiring 21 Discrete Inputs 22...

Страница 8: ...rd 45 46 Connector and Switch Locations AC Power Supply Circuit Board 47 Connector Assignments AC Power Supply Circuit Board 47 Selecting the AC Voltage Setting 48 Setting Optional Outputs as NC or NO...

Страница 9: ...Spare Parts List 131 Upgrading software 131 Troubleshooting 132 Replacing the AC Power Supply Fuse 132 Using ViewRTU to Troubleshoot the 2920 FTT 133 Returning the 2920 FTT to Factory Default Settings...

Страница 10: ...t Registers Format 154 The one 32 bit register format 154 Status Bits 156 Exception Responses 156 Data Out of Range 157 Loopback Test 157 Hardware Implementation 158 Integer Register Map 158 32 Bit Fl...

Страница 11: ...to an inventory management system The 2920 FTT is available for Bi Phase Mark MODBUS L J TankWay or Mark Space field communications It can be mounted directly to most manufacturers tank gauges includi...

Страница 12: ...the communications board translates the RTD input to a digital temperature value 4 The communications circuit board converts the encoded level and temperature to a spe cific field communications proto...

Страница 13: ...FTT are contained on the communications circuit board B This includes DC power field communications a 3 wire temperature input and two discrete inputs An optional circuit board C contains an AC power...

Страница 14: ...I Zone 1 IIB T5 IP66 USA Zone 1 per CEC 18 100 CAN FM16CA0114X i IOM 118 Serial No Model No 16 02920FM Rev D 2920 Float Tape Transmitter Varec Inc 5834 Peachtree Corners East Peachtree Corners Atlant...

Страница 15: ...18 100 CAN FM16CA0114X Refer to control drawing 28 013355 for installation requirements 20 65 V 0 2 A 40 65 120 220 240 V 500mW 50 60Hz i IOM 118 Serial No Model No 16 013391FM Rev C 2920 Float Tape T...

Страница 16: ...2920 Float Tape Transmitter 1 Introduction 6 Installation and Operations Manual...

Страница 17: ...conduit and cabling Refer to the following figure 3 The correct transmitter mechanical gauge adaptor is available if required 4 The gaugehead shall be adequately grounded for the safe electrical drai...

Страница 18: ...on Association NFPA Instrument Society of America ISA FM Approvals LLC FM Underwriters Laboratories Incorporated UL When in doubt about the safety of an area the user should check with the local safet...

Страница 19: ...housed within an explosion proof enclosure The cover is provided to permit access to the 2920 FTT s electronics i e circuit boards O Ring seals are provided to prevent moisture from entering the term...

Страница 20: ...ghtening See the Correct Sealing of the Junction Box Covers section below for an illus tration and an explanation 2 The plastic shipping conduit entry plugs are discarded and replaced by the metal exp...

Страница 21: ...t the junction box o ring must be properly seated around the small boss Review the above images shown which show the o ring both properly and improperly seated If improperly seated it can leave a gap...

Страница 22: ...follow the steps shown in the following flowchart Preparation Chapter 2 Mounting Chapter3 Wiring Chapter 4 Initial Configuration Bi Phase Mark BPM Chapter 6 Initial Configuration MODBUS Chapter 7 Gen...

Страница 23: ...herwise assumed to contain hazardous gases Always follow other local guidelines Obtain a hot permit before removing the transmitter cover with power applied To prevent shock hazards the housing of all...

Страница 24: ...ove the back cover of the gaugehead see the 2500 Automatic Tank Gauge Installation and Operations Manual 2 Remove the access cap from the back cover of the gaugehead see the 2500 Automatic Tank Gauge...

Страница 25: ...eep the original gas ket and bolts 3 Mount the transmitter to the adapter using the included gasket 4 Install the transmitter with adapter on the gaugehead mounting plate using the four hex head cap s...

Страница 26: ...unt Option The 2920 FTT can be used standalone without a mechanical gauge for radar applications as a tank side integrator It can talk to HART radars and temperature devices In this situation it will...

Страница 27: ...d on the order options The 2920 FTT will be configured with additional junction boxes depending on the ordered options The maximum number and arrangement of junction boxes is shown in the following fi...

Страница 28: ...s been checked see Checking Line Resistance Do not apply power in a hazardous environment until the explosion proof enclosure is closed Incorrect field wiring connections can damage the transmitter el...

Страница 29: ...s de la temperature ambiante Junction Box Terminals All wiring from the 2920 FTT is terminated at one or more junction boxes connected to the transmitter housing Digital Display and Main Junction Box...

Страница 30: ...Encoder TXD TankWay B Negative Terminal DC Power All Boards TB2 Digital Input Temperature Input RTD A RTD Signal All Boards RTD B RTD Return 1 RTD C RTD Return 2 DI2 Digital Input 2 DI COM Digital In...

Страница 31: ...ters This connection can typically be accomplished with two 2 shielded twisted pairs of 18 AWG wires Mark Space Two shielded twisted pairs of 18 AWG wire are recommended This option provides compatibi...

Страница 32: ...of switches SW1 and SW2 on the A C power board before applying A C power to the transmitter Damage to the transmitter may result See Connector and Switch Locations AC Power Supply Circuit Board on pa...

Страница 33: ...4 Wiring Varec Inc 23 Analog Input The Analog Input power drawings are shown below 24V TRX A 24V AI ACOM A 24V AI ACOM TRX External Power Internal Power 2920 Provides Loop Power...

Страница 34: ...Manual Analog Output The Analog Output power drawings below apply to either the AO1 or AO2 terminals Load A D External 24VDC Load A D External 24VDC Load A D Load A D External Power Internal Power AO...

Страница 35: ...ction Box Note The terminals and labels will vary based on the options selected HART Master Active Passive Configuration Switch 6 SW6 on the Communications Board sets the 2920 FTT HART bus to Active A...

Страница 36: ...s are used to connect HART SMART transmitters The terminals are labeled for positive HART connections and for negative HART connections The terminals are grouped into 4 and terminals so each HART tran...

Страница 37: ...inputs and outputs 9 HART 0 Explosion proof HART 1 I S HART 10 Display Orientation A forward facing display B backwards facing display C right side facing display Explosion Proof and I S HART Varec o...

Страница 38: ...nd Main Junction Box Terminal Board Abbreviation Legend A COM Analog Common AI Analog Input AOx Analog Output A 24 V Analog 24 Volt Power Output B Power B Power C 1 Bi Phase Mark Interchangeable MODBU...

Страница 39: ...ox Terminal Board Abbreviation Legend A COM Analog Common AI Analog Input AOx Analog Output A 24 V Analog 24 Volt Power Output B Power B Power C 1 Bi Phase Mark Interchangeable MODBUS TX RX Space Tank...

Страница 40: ...d Main Junction Box Terminal Board Abbreviation Legend A COM Analog Common AI Analog Input A 24V Analog 24 Volt Power Output B Power B Power C1 Bi Phase Mark Interchangeable MODBUS TX RX Space TankWay...

Страница 41: ...Legend A COM Analog Common AI Analog Input AOx Analog Output A 24V Analog 24 Volt Power Output B Power B Power C1 Bi Phase Mark Interchangeable MODBUS TX RX Space TankWay Computer RXD C2 Bi Phase Mar...

Страница 42: ...nction Box Terminal Board Abbreviation Legend A COM Analog Common AI Analog Input AOx Analog Output A 24V Analog 24 Volt Power Output B Power B Power C1 Bi Phase Mark Interchangeable MODBUS TX RX Spac...

Страница 43: ...tal Display and Main Junction Box Terminal Board Abbreviation Legend B Power B Power C1 Bi Phase Mark Interchangeable MODBUS TX RX Space TankWay Computer RXD C2 Bi Phase Mark Interchangeable MODBUS TX...

Страница 44: ...Main Junction Box Terminal Board Abbreviation Legend A COM Analog Common AI Analog Input AOx Analog Output A 24V Analog 24 Volt Power Output B Power B Power C1 Bi Phase Mark Interchangeable MODBUS TX...

Страница 45: ...bbreviation Legend A COM Analog Common AI Analog Input AOx Analog Output A 24V Analog 24 Volt Power Output B Power B Power C1 Bi Phase Mark Interchangeable MODBUS TX RX Space TankWay Computer RXD C2 B...

Страница 46: ...inal Board Abbreviation Legend A COM Analog Common AI Analog Input AOx Analog Output A 24V Analog 24 Volt Power Output B Power B Power C1 Bi Phase Mark Interchangeable MODBUS TX RX Space TankWay Compu...

Страница 47: ...Box Terminal Board Abbreviation Legend A COM Analog Common AOx Analog Output A 24V Analog 24 Volt Power Output B Power B Power C1 Bi Phase Mark Interchangeable MODBUS TX RX Space TankWay Computer RXD...

Страница 48: ...ts are available N2920 AT FC FM 2 BP MB MS LJ 0 N 1 2 N A B C 0 1 A B C Digital Display and Main Junction Box Terminal Board Abbreviation Legend A COM Analog Common AI Analog Input AOx Analog Output A...

Страница 49: ...ction Box Terminal Board Abbreviation Legend AOx Analog Inputx B Power B Power C1 Bi Phase Mark Interchangeable MODBUS TX RX Space TankWay Computer RXD C2 Bi Phase Mark Interchangeable MODBUS TX RX Ma...

Страница 50: ...Box Terminal Board Abbreviation Legend A COM Analog Common AI Analog Input A 24V Analog 24 Volt Power Output B Power B Power C1 Bi Phase Mark Interchangeable MODBUS TX RX Space TankWay Computer RXD C...

Страница 51: ...2 N A B C 0 1 A B C Digital Display and Main Junction Box Terminal Board Abbreviation Legend A COM Analog Common AI Analog Input AOx Analog Output x A 24V Analog 24 Volt Power Output B Power B Power...

Страница 52: ...A B C Digital Display and Main Junction Box Terminal Board Abbreviation Legend B Power B Power C1 Bi Phase Mark Interchangeable MODBUS TX RX Space TankWay Computer RXD C2 Bi Phase Mark Interchangeabl...

Страница 53: ...1 2 N A B C 0 1 A B C Digital Display and Main Junction Box Terminal Board Abbreviation Legend AI Analog Input AOx Analog Output x A 24V Analog 24 Volt Power Output B Power B Power COM Common C1 Bi P...

Страница 54: ...order code multiple junction boxes may be attached to the transmitter housing To connect wires to the electronics assembly refer to previous sections for connector locations terminal assignments and...

Страница 55: ...n J13 DC Power Communications 1 B DC Power Negative Terminal All DC Power Transmitters 2 B DC Power Positive Terminal 3 Bi Phase Mark Communications 1 Bi Phase Mark Communication Option TX1 RX A EIA 4...

Страница 56: ...A maximum Order Code Dependent 2 Analog Input Signal 3 24 VDC Return J7 Dual Channel 4 20 mA Analog Output 1 AO Channel 2 Return Order Code Dependent 2 AO Channel 2 Signal 3 24 VDC Output 50 mA maximu...

Страница 57: ...NO J5 NC Q8 R9 R4 Q6 NO J4 NC D1 GT1 T1 110 220 R12 Serial No 110VAC VAC R14 220 Q9 R13 SW1 VAC Z2 Z1 F1 8 1 1 4 SW1 110 or 220 VAC SW2 High or Low AC Voltage J1 AC Power In F1 AC Power Fuse 80 mA J6...

Страница 58: ...ng optional outputs as NC or NO using the appropriate jumper Selecting the AC Voltage Setting Warning If the AC Power Selection Switches are not set properly equipment damage may occur The optional AC...

Страница 59: ...Each of the optional SPDT limit switches can be wired for Normally Open NO or Normally Closed NC operation by using the appropriate terminals Under normal operating conditions the Normally Closed NC2...

Страница 60: ...cam it makes contact between the Normally Open NO3 and Common COM1 but it also breaks the connection between the Normally Closed NC2 and Common COM1 ADJUSTABLE ALARM DWELL TIME ALARM ON ALARM OFF FIEL...

Страница 61: ...n both the left and right lower portion of the display as shown below The left status indicators display when the unit is communicating with other components as follows Indicator Symbol Description F...

Страница 62: ...0 indicates that no relays are active A value of F indicates that all for relays are active The following table shows the activity of the Digital Input or Output Relay for each hexadecimal digit The...

Страница 63: ...al RS 232 Menu Selection Description System Data Lists the software specifications of the system Allows configuration of how the 2920 FTT presents data such as data scroll rate or how the zero is disp...

Страница 64: ...n parameters for setting the scale and offset of the measurement and reference data BPM Data Contains data about he operation of the Bi Phase Mark interface such as number of data requests type of dat...

Страница 65: ...ts The number of database points defined DB Size The size of the database in bytes Build Date The date the database structure was generated Sys Checksum CRC 16 Checksum of the firmware Pnt Checksum CR...

Страница 66: ...up to four data values by scrolling through the items This parameter sets in seconds how long each item is displayed Backlight Ctrl Sets how long the LCD back light is illuminated after the last key...

Страница 67: ...System Data menu 3 Press E one time to access the Commands menu and the Admin PIN option opens Note If no PIN has been set the Admin PIN displays a 0 zero 4 Press E to open Admin PIN 5 Use the and ke...

Страница 68: ...s menu presents 3 options Display Only displays the current reading such as with a level or temperature or current setting such as feet or degrees Fahrenheit Config Params allows you to change the con...

Страница 69: ...The L J encoders support the following 2000 Forward Encoding Varec gauges 2000 Reverse Encoding Shand Jurs gauges 1000 1500 Type 3 Reverse Encoding Shand Jurs gauges 1000 1500 Type 4 Reverse Encoding...

Страница 70: ...Parity Communications Parity Selections are None Even Odd Note This parameter is for MODBUS devices only MODBUS Reg MAP Selections are 2920 Map GSI Map Note This parameter is for MODBUS devices only...

Страница 71: ...Commands and Config parameters in one all inclusive list To Access the RS 232 Menu 1 Press Enter to access the Main Menu The System Menu point is automatically highlighted 2 Press Minus two times to m...

Страница 72: ...rrent Communication state this value is dependent on the type of communications protocol used by the port Cmd Current communications command which is protocol dependant Status Protocol dependant Value...

Страница 73: ...tary switches as well as the proper operation of the encoders The raw absolute and incremental encoder values can be evaluated The current sensor states can be evaluated The calculated reference value...

Страница 74: ...heit of the internal electronics Number Resets Shows the number of types the transmitter has reset soft or power resets This value resets to zero when a hard reset is performed FDisk This parameter is...

Страница 75: ...igured at the factory To Access RTD Data 1 Press Enter to access the Main Menu The System Menu point is automatically highlighted 2 Press Minus five times to move the highlight to RTD Data 3 Press Ent...

Страница 76: ...it value representing the ratio metric value of a 100 ohm precision reference resistor 200 Ohm RefRes 24 bit value representing the ratio metric value of a 200 ohm precision reference resistor Temp Di...

Страница 77: ...the RTD circuit This Cal Point value is 60 ohms These parameters adjust the interpolation points used in temperature calculations Cal Point 3 These parameters are used to provide additional calibratio...

Страница 78: ...re AlmStat Integer value indicating any alarm conditions as follows 0x0001 Critical Low Level 0x0002 Advisory Low Level 0x0004 Advisory High Level 0x0008 Critical High Level 0x0010 Critical Low Temper...

Страница 79: ...NMT53 Vap Temp NMT elem 00 through 17 HART1 PV Value HART1 SV Value HART2 PV Value HART2 SV Value HART3PV Value HART3 SV Value FMR Level FMR Measured Dist FMR Meas Level Undefined CritLowLevel This v...

Страница 80: ...e should be activated When the incoming value falls below this point the alarm is activated and de activated when the value is above this point AdvHighTemp This value indicates the point at which the...

Страница 81: ...n times to move the highlight to Digital Outputs 3 Press Enter and the Digital Outputs menu opens 4 To select one of the options press Minus to move the highlight to the option you want and then press...

Страница 82: ...ed 1 Host Interface 2 Critical High Level 3 Advisory High Level 4 Advisory Low Level 5 Critical Low Level 6 Critical High Temperature 7 Advisory High Temperature 8 Advisory Low Temperature 9 Critical...

Страница 83: ...ay such as Analog Status Commands commands that can be executed from the Analog Input menu Config Params parameters that are used to configure data in Analog Input data All Params scrolls through the...

Страница 84: ...ommand Command Calibration Command Config Params Avg Filter The Analog Input value can be averaged over several samples to improve stability of the measurement The filter can be set between 0 and 7 Ze...

Страница 85: ...to 16 mA and wait 5 to 10 seconds for signal to stabilize 7 Press the E to accept the 8 mA value 8 Press the C button twice to exit to the main menu 9 Select Analog Input from the main Menu on the 29...

Страница 86: ...meter A predefined list of database items is available when setting the Pnt Ref parameter Note The Analog Out is pre configured at the factory Analog Out menu presents 4 options Display Only data disp...

Страница 87: ...n the Control is set to enable this value control the AO output value Percent Range Displays the percent of range for the analog output value A 0 percent is 4 mA and 100 is 20 mA Elapse Time of last u...

Страница 88: ...trol Parameter is set to Enable the data value from the PntRef is used to control the output value of the AO channel Zero The Zero Span and Calibration points are similar to that in the AI point In th...

Страница 89: ...Channel 2 1 Connect terminals A 24V and AO2 2 Connect a calibrated 4 20 mA Meter to terminals AO2 AI COM 3 If the 24VDC Output Power Supply is turned off default turn it on using the following steps a...

Страница 90: ...Only data display such as message and number of requests Config Params parameters that are used to configure data in BPM data such as response delay All Params scrolls through the Display Commands an...

Страница 91: ...rs in one menu To Access MODBUS 1 Press Enter to access the Main Menu The System Menu point is automatically highlighted 2 Press Minus ten times to move the highlight to MODBUS Data 3 Press Enter and...

Страница 92: ...atus PntCheckSum Point CheckSum Config Params RespDelay Response Delay 0 1000 milliseconds MinLevel Minimum Tank Level MaxLevel Maximum Tank Level MinTemp Minimum Temperature MaxTemp Maximum Temperatu...

Страница 93: ...that are used to configure data in Mark Space All Params scrolls through the Display Commands and Config parameters in one menu To Access Mark Space 1 Press Enter to access the Main Menu The System M...

Страница 94: ...smitter is currently connected to the Mark Space and the field relay is closed If the bus is connected the command to Isolated can be issued to disconnect the transmitter and open the field relay Bus...

Страница 95: ...er to send additional data items If the 2nd MS Address is set this selects the data item in the transmitter to be sent as the temperature portion of the Mark Space message This parameter is transmitte...

Страница 96: ...onfig Params parameters that are used to configure data in L J TankWay All Params scrolls through the Display Commands and Config parameters in one menu To Access L J TankWay 1 Press Enter to access t...

Страница 97: ...relay Bus Isolated Indicates the transmitter is currently disconnected from the L J TankWay bus and the field relay is open If the bus is isolated the command to Connected can be issued to connect the...

Страница 98: ...needs to respond to the a second L J TankWay address This allows the transmitter to send additional data items If the 2nd MS Address is set this selects the data item in the transmitter to be sent as...

Страница 99: ...s scrolls through the Display Commands and Config parameters in one menu To Access NMT Prothermo 1 Press Enter to access the Main Menu The System Menu point is automatically highlighted 2 Press Minus...

Страница 100: ...r code detected Univ Cmd Rev Revision of the universal command set the NMT supports Dev Cmd Rev Revision of the device commands that the NMT supports Softw Version The software version of the NMT Hard...

Страница 101: ...ular intervals Regular Element spacing value is used between each element Irregular Allows the position of each element to be individually set Elem Spacing When element interval type is set to regular...

Страница 102: ...To Access HART Device 1 Press Enter to access the Main Menu The System Menu point is automatically highlighted 2 Press Minus twelve times to move the highlight to HART Devices 3 Press Enter and the HA...

Страница 103: ...ce supports Dev Cmd Rev The revision of the device commands that the HART device supports Softw Version The software version of the HART device Hardw Version The hardware version of the HART device Cm...

Страница 104: ...Radar menu opens as shown below Config Params Addr The short HART address used to detect this device Manuf ID The Unique ID of the Manufacturer that build the HART device For Endress Hauser HART devic...

Страница 105: ...ual Error Communication the diagnostic code with the highest priority on display list with all active diagnostic codes sorted for priority Previous Error Last Error Communication the diagnostic code w...

Страница 106: ...Addr The short HART address used to detect this device Manuf ID The Unique ID of the Manufacturer that build the HART device For FMR this is 17 E H Device Type The unique device type specified by the...

Страница 107: ...cting a noise suppression map the available mapping distance to the product level should be checked Mapping Range Suppression Distance Distance until mapping is recorded Start Mapping Indicates when t...

Страница 108: ...e Device Cmd The current command issued to slave device Request The current request message issued to slave device Reply The current reply message from Slave device HARTType Hart Bus Configuration as...

Страница 109: ...default is 2 Max Other Retries This parameter sets how many times the HART Master will retry a data command if communications fails The default is 2 Max Other Retry This parameter sets how many times...

Страница 110: ...ss and hold the C button for 4 to 5 seconds 2 The display opens the Cal Level so you can set it Basic Setup menu and Cal Level description can be found in Basic Setup Note Level can be entered in eith...

Страница 111: ...ts Gauge Type Encoder Direction RTD Type All these parameters are located in the Basic Setup menu The procedure below details the steps to set the Unit Addr and can be used to set other Basic paramete...

Страница 112: ...the 2920 FTT Baud Rate 1 Follow steps 1 through 5 in the 2920 FTT unit address procedure above 2 In the Config Params menu select Baud Rate 3 Press Enter to modify the Baud Rate parameter 4 Press Min...

Страница 113: ...e 2 In the Config Params menu select Enc Direction 3 Press Enter to modify the Enc Direction parameter 4 Press Minus or Plus to select Forward or Reverse for the encoder direction for this device 5 Co...

Страница 114: ...2920 Float Tape Transmitter 6 Bi Phase Mark 104 Installation and Operations Manual...

Страница 115: ...tion Level Limits and Outputs Basic Parameters The 2920 FTT requires the setting of several Basic Parameters to enable it to operate in your particular environment These parameters are Unit Addr Baud...

Страница 116: ...the Home display To Set the Baud Rate 1 Follow steps 1 through 5 in the 2920 FTT unit address procedure above 2 In the Config Params menu select Baud Rate 3 Press Enter to modify the Baud Rate paramet...

Страница 117: ...eps 1 through 5 in the 2920 FTT unit address procedure above 2 In the Config Params menu select Enc Direction 3 Press Enter to modify the Enc Direction parameter 4 Press Minus or Plus to select Forwar...

Страница 118: ...op shown appears below Terminating the MODBUS Network In an EIA485 network devices at each end of the communications network are typically terminated In typical installations these devices are the MOD...

Страница 119: ...float meaning that they may not have a fixed voltage To remedy this situation pull up and pull down resistors are typically used to provide a small bias current on the network This current holds the...

Страница 120: ...2920 Float Tape Transmitter 7 MODBUS 110 Installation and Operations Manual...

Страница 121: ...and can be used to set other Basic parameters by substituting the appropriate parameter name for Unit Addr Of course the number of times you press Minus or Plus to access a parameter will be different...

Страница 122: ...er Type 1 Follow steps 1 through 5 in the 2920 FTT unit address procedure above 2 In the Config Params menu select Encoder Type setting 3 Press Enter to modify the Encoder Type parameter 4 Press Minus...

Страница 123: ...the appropriate parameter name for 2920 Unit Address Of course the number of times you press Minus or Plus to access a parameter will be different Note The units for transmitting the level and tempera...

Страница 124: ...he Config Params menu select Encoder Type setting 3 Press Enter to modify the Encoder Type parameter 4 Press Minus or Plus to move to the appropriate Encoder Type setting for this device 5 Continue fo...

Страница 125: ...ect Calibration Level 3 Press Enter to modify the Calibration Level parameter 4 Press Minus or Plus to move to the appropriate Calibration Level for this device 5 Continue following steps 9 through 12...

Страница 126: ...2920 Float Tape Transmitter 9 L J TankWay 116 Installation and Operations Manual...

Страница 127: ...ss Minus or Plus to access a parameter will be different Searching for a HART Instrument 1 Press Enter to open the Main Menu 2 Press Minus multiple times to select the HART Master menu 3 Press Enter t...

Страница 128: ...r to open the Main Menu 2 Press Minus multiple times to select the FMR Radar menu 3 Press Enter to open the FMR Radar menu 4 Press Enter to open the Display Only menu 5 Press Minus 2 times to locate t...

Страница 129: ...om generic HART connected devices as follows 1 Press Enter to open the Main Menu 2 Press Minus multiple times to the Tank Data menu 3 Press Enter to open the Tank Data menu 4 Press Minus 1 time to sel...

Страница 130: ...play To Set Additional Items to Display 1 Press Enter to open the Main Menu 2 Press Enter to open the System Data menu 3 Press Minus 2 times to the Config Params 4 Press Enter to open the Config Param...

Страница 131: ...the level gauge is calibrated properly If it is not calibrate the gauge as directed in the gauge installation and operation manual This procedure assumes that the transmitter has been mounted to the...

Страница 132: ...ration of an alarm Assemblies containing two or four limit switches are available as an option with the 2920 FTT Limit switches are mounted on the 2920 FTT encoder assembly and are mechanically driven...

Страница 133: ...to adjust the length of the dwell the dura tion of the alarm Note Care should be taken to avoid having too much dwell that will cause the low alarm to sound at the high levels and vice versa Field Adj...

Страница 134: ...assign a condition to each output For the Bi Phase Mark 2920 FTT the outputs can also be configured through the Bi Phase Mark interface by writing data items using the appropriate commands Warning Ob...

Страница 135: ...onnector Note Input and output terminals are identified in a table on page 35 Start the ViewRTU application The user is prompted to select a firmware version file as shown in the following figure 3 Se...

Страница 136: ...iguration Calibration Level Limits and Outputs 126 Installation and Operations Manual 4 Using the icons or the Point menu select the TANK point The TANK dialog box appears showing data items that can...

Страница 137: ...ter 6 Set any other TANK parameters as appropriate 7 Click the Exit button to return to the main screen 8 Using the icons or the Point menu select the DO point The DO dialog box appears show ing data...

Страница 138: ...2920 Float Tape Transmitter 11 Configuration Calibration Level Limits and Outputs 128 Installation and Operations Manual...

Страница 139: ...arranties upon request Checking the CPU Status The 2920 FTT provides a CPU status LED D4 on the communications circuit board The user can visually check this LED to ensure that processor is operating...

Страница 140: ...smitter 12 Maintenance and Troubleshooting 130 Installation and Operations Manual 2920 FTT Exploded View RESET LED SW1 J6 J8 SW6 J9 J7 J12 J11 SW2 J6 RS 232 J12 SW6 J11 J7 J9 J8 Reset SW2 SW1 LED D4 7...

Страница 141: ...3220 Expansion Terminal Board Assembly 4 08 013125 Bi Phase Mark Communication Board Assembly 4 08 013232 2920 MODBUS Communication Board 4 08 013232 1 2920 Mark Space Communication Board 4 08 013232...

Страница 142: ...r Supply Fuse To replace the AC Power Supply fuse 1 Remove power from the 2920 FTT 2 Remove the 2920 FTT cover 3 With a common screwdriver unscrew the cylindrical fuse and remove it from the fuse hold...

Страница 143: ...egarding the ViewRTU program refer to any Varec RTU Installation and Operation manual 1 Remove the 2920 FTT cover 2 Connect the communications port of a laptop computer running ViewRTU software to the...

Страница 144: ...abase point 7 Repeat steps 5 and 6 as needed for other points 8 Close ViewRTU 9 Disconnect the laptop computer cable from the RS 232 connector 10 Replace the 2920 FTT cover Returning the 2920 FTT to F...

Страница 145: ...ning Obtain a hot permit before removing the transmitter cover with the power applied 1 Remove the 2920 FTT cover 2 Set SW1 Switch1 in the ON position 3 Press and release the RESET switch SW2 4 Set SW...

Страница 146: ...ropriate units of measure by using Minus or Plus to highlight and Enter to accept the selection Note The Level Display Units changes only the units displayed on the 2920 FTT gauge This setting does no...

Страница 147: ...ct the appropriate units of measure by using Minus or Plus to highlight and Enter to accept the selection Note The Temp Display Units changes only the units displayed on the 2920 FTT gauge This settin...

Страница 148: ...2920 Float Tape Transmitter 12 Maintenance and Troubleshooting 138 Installation and Operations Manual...

Страница 149: ...on Operating Temperature N2920AC 40 F to 185 F 40 C to 85 C N2920AT 4 F to 185 F 20 C to 85 C N2920FC 40 F to 185 F 40 C to 85 C N2920FM Div 13 F to 185 F 25 C to 85 C N2920FM Zones 4 F to 185 F 20 C...

Страница 150: ...5 C Ta 85 C Type 4 Class I Zone 1 AEx db IIB T5 Gb 20 C Ta 85 C IP66 USA Ex db IIB T5 Gb 20 C Ta 85 C IP66 CAN Models with I S HART XP AIS ATEX IECEx Low Temp N2920ACbccdefg1i Ex db ia Ga IIB T5 Gb 40...

Страница 151: ...mW Co 0 65 F 2 15 F Lo 9 87 mH 19 75 mH Refer to Control Drawing 28 013355 Appendix D Item Description Type Absolute Capacitance Encoder Accuracy 1 16 1 58 mm Item Description Power Requirements 20 to...

Страница 152: ...s Limit Switches 2 or 4 SPDT limit switches optional 11 amp 125 250 277 VAC 4 amp 125 VAC Tungsten filament Lamp Load 1 3 HP 125 VAC 250 VDC 1 2 amp 125 VDC 1 4 amp 250 VDC Item Description F1 Fuse 80...

Страница 153: ...0 VDC Maximum operating current 2 A 1 A Maximum switching capacity 125 VA 60 W 62 50 VA 30 W Minimum permissible load 10 uA 10 mVDC 10 uA 10 mVDC Internal Load to ground 100 Measuring Range 0 to 20 mA...

Страница 154: ...safety and cause a hazardous condition Note Refer to Control Drawing 28 013355 Appendix D Explosion proof Flameproof Ex d HART Interface Non I S Ex d HART HART Master for measuring device Source Volt...

Страница 155: ...I Zone 1 Group IIB T5 40 C Ta 85 C IP66 USA Zone 1 per CEC 18 100 40 C Ta 85 C IP66 CAN cFMus USA Canada Low Temp with I S HART Class I Division 1 Groups C D T5 40 C Ta 85 C Type 4 Class I Zone 1 Grou...

Страница 156: ...ark Space MB EIA 485 MODBUS GSI Type MODBUS LJ TankWay L J BP Bi Phase Mark Limit Switches 0 None 1 2 SPDT Limit Switches 18 adjustable dwell positive activation 1 2 4 SPDT Limit Switches 18 adjustabl...

Страница 157: ...Display Option depending on the tank gauge used with the 2920 transmitter 5 Use this option for Electronic Assemblies without housings Approvals order code EA 6 All communication options come with Ex...

Страница 158: ...2920 Float Tape Transmitter 14 Ordering Information 148 Installation and Operations Manual...

Страница 159: ...d by the MODBUS master The 2920 FTT implementation of the MODBUS protocol provides for the passing of measured and calculated variables configuration information and diagnostics in data registers Data...

Страница 160: ...TT supports two floating point data formats a two 16 bit register format and a one 32 bit register format These two Function Code Function Information Type MODBUS Nomenclature 01 Read Bits Read output...

Страница 161: ...coded data registers contain all of the information needed to configure and read process data Any integer register may be read with function code 03 or function code 04 These same registers may be wri...

Страница 162: ...nterpreted these scaling factors must match the format expected by the host system The following communication example shows the request for one register starting at register 0 0000 Hex For the follow...

Страница 163: ...16 individual status bits packed into one register The status bits have been packed this way for systems that prefer handling only register information These bits may also be read or written individua...

Страница 164: ...ing point formats The Two 16 bit Registers Format Function code 03 or 04 is used to read floating point registers in this format Function code 16 is used to write floating point registers in this form...

Страница 165: ...quivalent 100 00 Floating point registers that are defined as reserved will respond with undocumented values A write command to a reserved floating point register will be ignored Host Request Address...

Страница 166: ...lows Example of Status Bit Data Start Register 0002 Number of Registers 0004 This reads Alarm Status bit 2 through 5 The response data is 03 Bit 2 High Advisory Alarm ON Bit 3 High Critical Alarm ON B...

Страница 167: ...f maximum MODBUS integer 1 Off line Mode No CALC CALC Error This permits a host to detect a serious failure without monitoring other 2920 FTT status bits Loopback Test In accordance with the MODBUS sp...

Страница 168: ...system or computer end The shield at the 2920 FTT should be open The 2920 FTT power line acts as a common reference tie to the MODBUS master Termination resistors of 100 Ohms are shown at each end of...

Страница 169: ...sage 0 15 RESERVED 8 Integer FDISK Encoder Data FDisk 9 Integer IDISK Encoder Data IDisk 10 Scaled Crit Low Level Setpoint MODBUS CritLowLevel 11 Scaled Adv Low Level Setpoint MODBUS AdvLowLevel 12 Sc...

Страница 170: ...24 Scaled Manual Temperature Tank Manual Temp 25 Integer Max Integer Value 26 Coded Gauge Type Setup Gauge Type 0 Metric 1 English 27 Scaled Calibration Level Setup CalLevel 28 Integer Enc Command 0...

Страница 171: ...nk Data TDeadband 130 Float Min Level Tank Data MinLevel 132 Float Max Level Tank Data MaxLevel 134 Float Min Temp Tank Data MinTemp 136 Float Max Temp Tank Data MaxTemp 138 Float Level Tank Data Leve...

Страница 172: ...Reserved Reserved 220 Coded Level Type Basic Setup Enc Direction 0 Forward 1 Reverse 221 Coded Temp Type Basic Setup RTD Type 0 Pt100 1 Cu100 2 Cu90 3 None 222 224 Reserved Reserved 225 Coded Gauge Ty...

Страница 173: ...5 Integer Hardware Version System Data Hardware Version 266 Integer LCD Contrast System Data LCD Contrast 267 Integer Firmware Checksum System Data Sys Checksum 268 Long Read Only Serial Number System...

Страница 174: ...Advisory High Temp 8 Advisory Low Temp 9 Critical Low Temp 286 Coded DO 2 Output Assignment Digital Outputs DO2 Assignment 0 Not Assigned 1 Host Control 2 Critical High Level 3 Advisory High Level 4...

Страница 175: ...tatus FMR Radar Status 3023 Float FMR Measured Level FMR Radar Meas Level 3025 Float FMR Distance FMR Radar Measured Dist 3027 Integer FMR Custody Mode 3028 Integer FMR Media Type Application Paramete...

Страница 176: ...Prothermo Cmd Status 3073 Integer Diag Code NMT Prothermo Diag Code 3074 Integer Custody Mode 3075 Integer Pnt Status NMT Prothermo Pnt Status 3076 Float HART0 PV HART Device 1 PV Value 3078 Float HAR...

Страница 177: ...Min Level 16 Max Level 17 Min Temp 18 Max Temp 19 Reserved 20 Manual Temp 21 Calibration Level Register Number Description Register Number Description 0 15 AlmStat 16 31 Diag Stat 32 47 Cmds 48 63 Re...

Страница 178: ...2920 Float Tape Transmitter MODBUSAppendix A MODBUS Implementation 168 Installation and Operations Manual...

Страница 179: ...vs Temperature Cu90 RTD Resistance vs Temperature For troubleshooting instructions see Verifying Temperature Data Checking RTD Resistance Pt100 RTD Resistance vs Temperature Pt100 RTD Resistance Temp...

Страница 180: ...0 69 93 76 0 104 8 71 53 72 0 97 6 73 13 68 0 90 4 74 73 64 0 83 2 76 33 60 0 76 0 77 92 56 0 68 8 79 51 52 0 61 6 81 1 48 0 54 4 82 69 44 0 47 2 84 27 40 0 40 0 85 85 36 0 32 8 87 43 32 0 25 6 89 01...

Страница 181: ...96 0 204 8 138 5 100 0 212 0 140 02 104 0 219 2 141 53 108 0 226 4 143 04 112 0 233 6 144 55 116 0 240 8 146 06 120 0 248 0 147 57 124 0 255 2 149 07 128 0 262 4 150 57 132 0 269 6 152 08 136 0 276 8...

Страница 182: ...320 8 17 35 192 0 313 6 18 87 188 0 306 4 20 39 184 0 299 2 21 92 180 0 292 0 23 44 176 0 284 8 24 97 172 0 277 6 26 49 168 0 270 4 28 01 164 0 263 2 29 54 160 0 256 0 31 06 156 0 248 8 32 58 152 0 24...

Страница 183: ...28 0 18 4 81 34 24 0 11 2 82 86 20 0 4 0 84 39 16 0 3 2 85 91 12 0 10 4 87 43 8 0 17 6 88 96 4 0 24 8 90 48 0 0 32 0 92 4 0 39 2 93 53 8 0 46 4 95 05 12 0 53 6 96 57 16 0 60 8 98 1 20 0 68 0 99 62 24...

Страница 184: ...116 0 240 8 136 19 120 0 248 0 137 71 124 0 255 2 139 24 128 0 262 4 140 76 132 0 269 6 142 28 136 0 276 8 143 81 140 0 284 0 145 33 144 0 291 2 146 85 148 0 298 4 148 38 152 0 305 6 149 9 156 0 312 8...

Страница 185: ...73 46 44 0 47 2 75 01 40 0 40 0 76 56 36 0 32 8 78 11 32 0 25 6 79 66 28 0 18 4 81 20 24 0 11 2 82 75 20 0 4 0 84 30 16 0 3 2 85 85 12 0 10 4 87 40 8 0 17 6 88 95 4 0 24 8 90 50 0 0 32 0 92 05 4 0 39...

Страница 186: ...8 0 226 4 133 88 112 0 233 6 135 43 116 0 240 8 136 98 120 0 248 0 138 53 124 0 255 2 140 07 128 0 262 4 141 62 132 0 269 6 143 17 136 0 276 8 144 72 140 0 284 0 146 27 144 0 291 2 147 82 148 0 298 4...

Страница 187: ...og Output Overwrite With this item the user can manually overwrite the current output through the Host interface AK Analog 1 Output Mode This item determines under what conditions the analog output cu...

Страница 188: ...essor accepts the reference level RL as the current level AR is used during level calibration LQ Innage Servo Level Request responds with Tank Level Computes innage level with status characters RL Ref...

Страница 189: ...Intrinsically Safe Control Drawing Varec Inc 169 Appendix D Associated Intrinsically Safe Control Drawing The drawing on the following page depicts the 2920 Float and Tape Transmitter with HART Associ...

Страница 190: ...2920 Float Tape Transmitter Appendix D Associated Intrinsically Safe Control Drawing 170 Installation and Operations Manual...

Страница 191: ...nts AC power board 47 communications board 45 connector locations AC power board 47 communications board 44 contact outputs 26 CPU status 129 Cu100 RTD resistance temperature chart 172 Cu90 RTD resist...

Страница 192: ...istance line 18 returning to default settings 134 RTD wiring 21 RTD data 65 S safety guidelines installation 13 wiring 18 setting AC voltage 48 setting optional outputs 49 settings default returning t...

Страница 193: ......

Страница 194: ...62 8939 www varec com 2018 Varec Inc All Rights Reserved This document is for information purposes only Varec Inc makes no warranties express or implied in this summary The names of actual companies a...

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