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TransNET OEM Integration Guide

05-3946A01, Rev. C

6.6 Using the Radio’s Sleep Mode (

Remote Units Only)

In some installations, such as at solar-powered sites, it may be necessary to
keep a Remote transceiver’s power consumption to an absolute minimum.
This can be accomplished using the radio’s Sleep Mode feature. Power
consumption (current) in sleep mode will be less at higher input voltages and
more at lower input voltages. Power in the Sleep Mode at 13.8 Vdc is approx-
imately 3 mA.

Sleep Mode can be enabled under RTU control by asserting a ground (or
EIA/RS-232 low) on Pin 4 of the radio’s

DATA

connector. All normal func-

tions are suspended until it is awakened by removing the low from Pin 4.

When Pin 4 is opened (or an EIA/RS-232 high is asserted), the radio will be
ready to receive data within 75 milliseconds. The radio can be awakened
more often if desired, by your RTU.

NOTE:

The

SLEEP

function must be set to

ON

; without this, a ground on Pin 4 will be ignored.

Table 9. Configuration Parameters for SAF Services

Remote Radio(s)

Parameter

Command

Description

Operating Mode

MODE R



Details Page 48

Sets the radio to serve as
a Remote station.

Network Address

ADDR



Details Page 40

A number between 1 and
65,000 that will serve as
a common network ad-
dress or name.

Same number for all
units in the same net-
work.

Primary Extended
Address

XPRI



Details Page 56

XADDR number of the
primary or preferred ra-
dio with which this radio
will synchronize.

Extension Map

XMAP



Details Page 56

Lists all XADDR values
with which this radio can
synchronize, excluding
the

XPRI

address.

Extension



Received Signal
Strength Indicator

XRSSI



Details Page 56

The minimum RSSI lev-
el required to preserve
synchronization with a
non-primary radio. (Inef-
fective when

XPRI

is

NONE

)

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Содержание TransNET OEM EL806

Страница 1: ...ation Operation Guide OEM Integration Guide 05 3946A01 Rev C JUNE 2007 MDS TransNET OEM Spread Spectrum Data Transceiver Transceiver Model EL806 Including Instructions for 03 4053A01 Evaluation Development Kit ...

Страница 2: ... connector to attach the antenna to the transceiver For best performance antennas should be mounted in the clear with an unobstructed path in the direction of desired transmission reception 3 Apply power and observe the LEDs for proper operation The LED command must be set to ON LEDS ON After 16 seconds The GP LED should be lit continuously The DCD LED should be lit continuously if synchronization...

Страница 3: ...e Address Systems MAS 4 Point to Point System 5 Tail End Link to an Existing Network 5 Store and Forward Repeater 6 2 7 Transceiver Accessories 6 3 0 BENCHTOP SETUP EVALUATION 7 3 1 Initial Power Up Configuration 8 Configuration Settings 8 Configuring Multiple Remote Units 9 3 2 Tail End Links 9 3 3 Configuring a Network for Extensions 10 3 4 LED Indicators 10 4 0 TRANSCEIVER MOUNTING 11 4 1 Anten...

Страница 4: ...nd ARQ Operation 22 SAF Configuration Example 23 6 4 Using AT Commands 23 Supported AT Commands 24 Operating Notes when AT Commands are ON 25 6 5 Configuration Parameters for Store Forward Services 25 6 6 Using the Radio s Sleep Mode Remote Units Only 27 Sleep Mode Example 28 6 7 Low Power Mode LPM Master Enabled 28 Setup Commands 28 Reading RSSI Other Parameters with LPM Enabled 29 Power Consumpt...

Страница 5: ...NE 1 255 43 CSADDR 1 65000 NONE 44 CTS 0 255 44 CTSHOLD 0 60000 44 DEVICE DCE CTS KEY 45 DLINK xxxxx ON OFF 45 DKEY 45 DTYPE NODE ROOT 46 FEC ON OFF 46 HOPTIME 7 28 46 INIT 46 HREV 48 KEY 48 LED ON OFF 48 LPM 1 0 48 LPMHOLD 0 1000 49 MODE M R X 49 MRSSI NONE 40 90 49 OT ON OFF 50 OWM xxxxx 50 OWN xxxxx 50 PORT RS232 RS485 50 PWR 20 30 50 REPEAT 0 10 51 RETRY 0 10 51 RSSI 51 RTU ON OFF 0 80 52 RX x...

Страница 6: ...r Alarms 59 Alarm Codes Definitions 59 9 2 LED Indicators 60 9 3 Troubleshooting Chart 61 Saving a Web Site Firmware File Onto Your PC 63 Using the I O Points with InSite NMS Software 73 Application Example Digital Input Output at Remote 73 Evaluation PC Board 74 Connecting the Transceiver Evaluation Board 75 Antenna Connection Transceiver Module J200 201 76 DC Power Connector J3 77 Diagnostic Con...

Страница 7: ...smitter may only operate using an antenna of a type and maximum or lesser gain approved for the transmitter by Industry Canada To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication Professional installation required The radio equipm...

Страница 8: ... ne peut fonctionner avec une antenne d un type et un maximum ou moins approuvés pour gagner de l émetteur par Industrie Canada Pour réduire le risque d interférence aux autres util isateurs le type d antenne et son gain doivent être choisies de façon que la puis sance isotrope rayonnée équivalente PIRE ne dépasse pas ce qui est nécessaire pour une communication réussie b L émetteur radio décrit c...

Страница 9: ...rby personnel and must not be co located or operating in conjunction with any other antenna or transmitter Changes or modifications not expressly approved by the party responsible for compli ance could void the user s authority to operate the equipment UL Notice The MDS TransNET OEM 900 Model EL806 and TransNET OEM 2400 Model EL806 24 is available for use in Class I Division 2 Groups A B C D Hazar...

Страница 10: ...the following WARNING EXPLOSION HAZARD Do not disconnect equipment unless power has been switched off or the area is know to be non hazardous Substitution of components may impair suitability for Class 1 Division 2 Refer to Articles 500 through 502 of the National Electrical Code NFPA 70 for fur ther information on hazardous locations and approved Division 2 wiring methods ESD Notice To prevent ma...

Страница 11: ...ual product improvements may result in minor differences between the manual and the product shipped to you If you have additional questions or need an exact specification for a product please contact our Customer Service Team using the information at the back of this guide In addition manual updates can often be found on the GE MDS Web site at www GEmds com ...

Страница 12: ...x TransNET OEM Integration Guide 05 3946A01 Rev C ...

Страница 13: ...th all necessary components and RF shielding included It need only be protected from direct exposure to the weather and is designed for rugged service in extreme temperature environments The transceiver has full over the air compatibility with standard non OEM TransNET transceivers manufactured by GE MDS All transceiver program ming is performed via a personal computer or terminal connected to the...

Страница 14: ...Store and Forward repeater operation Data latency typically less than 10 ms Same hardware for Master or Remote configuration Supports RS EIA 232 and RS EIA 485 user interface Low current consumption typically less than 3 mA in sleep mode NOTE Some radio features may not be available on all models or limited by the options pur chased or the applicable regulatory constraints for the region in which ...

Страница 15: ...n about how the radio was configured when it left the factory This number is subject to many variations depending on what options are installed and where country the product is used Contact the fac tory if you have questions on the meaning of the code Table 1 Data Interface Power Options Factory Configurable Only PAYLOAD DATA DIAGNOSTICS DATA INPUT POWER RS 232 485 RS 232 6 30 Vdc TTL RS 232 6 30 ...

Страница 16: ...m provided that RF power and antenna gain restrictions are observed 2 6 Typical Applications Multiple Address Systems MAS This is the most common application of the transceiver It consists of a central control station master and two or more associated remote units as shown in Figure 2 This type of network provides communications between a central host computer and remote terminal units RTUs or oth...

Страница 17: ...ng data from that site to an associated transceiver installed at one of the licensed remote sites usually the one closest to the outlying facility See Figure 4 As the data from the outlying site is received at the associated transceiver it is transferred to the co located licensed radio via a data crossover cable and is transmitted to the MAS master station over the licensed channel Addi tional de...

Страница 18: ...f the accessories listed in Table 3 may be used with the OEM transceiver Contact your factory representative for availability and ordering details Table 3 OEM Transceiver Accessories Accessory Description Part No AC Power Adapter Small power supply module designed for con tinuous service UL approved Input 120 220 Vac Output 12 Vdc 500 mA 20 Watts 01 3682A02 2 Pin DC Power Plug Mates with power con...

Страница 19: ...0 MHz Antennas Rugged directional antennas suited for use at Remote stations Various Consult factory 900 MHz Bandpass Filter Antenna system filter to aid in eliminating in terference from paging system transmissions 20 2822A02 TNC to N Adapter Cable 3 ft 1 meter Coaxial cable used to connect the radio s TNC antenna connector to a Type N style commonly used on large diameter coaxial cables 97 1677A...

Страница 20: ...sceiver is transmitting and receiving data TXD RXD in response to the master station and or connected terminal device Configuration Settings This section explains how to set the essential operating parameters of the transceiver For more information on connecting a PC terminal refer to User Commands on Page 34 6 The three essential settings for the Transceiver are as follows Mode Master Remote or E...

Страница 21: ... the evaluation network is working satisfactorily you can save the configuration of each unit in a data file on your PC through the use of TransNET Configuration Software You can then open the Remote configu ration file and install it in the next Remote radio The software prevents you from overwriting unit or other mode specific parameters 3 2 Tail End Links A tail end link is established by conne...

Страница 22: ...onfiguration Parameters for Store Forward Services on Page 24 detail the parameters that need to be set on each type of radio in the network For a detailed description of this network design see SAF Operation with Extension Radios on Page 20 3 4 LED Indicators The LED indicators are located to the right of the transceiver s shield cover near J3 and show important information about status of the mo...

Страница 23: ... surface using the four mounting holes at the corners of the PC board Standoff spacers should be used to main tain adequate clearance between the bottom of the circuit board and the mounting surface Fasteners anchors are not normally supplied Table 4 LED Indicator Descriptions LED Name Description RXD CR3 Receive Data Serial receive data activity Payload data from connected device TXD CR4 Transmit...

Страница 24: ...ions of the RF and interface connectors Figure 7 Transceiver Mounting Dimensions Figure 8 RF and Interface Connectors Locations RF connector shown in J200 location 3 11 7 9 cm 1 49 3 8 cm 1 81 46 mm 3 45 87 5 mm Top View 0 63 16 mm Side View J200 J3 U 2205 150 TYP 1 825 3 45 3 10 55 1 475 50 25 225 185 ...

Страница 25: ...ant If the wrong polarization is used a signal reduction of 20 dB or more will result Most systems using a gain type omnidirectional antenna at the Master station employ vertical polarization of the signal therefore the Remote an tenna s must also be vertically polarized elements oriented perpendicular to the hori zon When required horizontally polarized omnidirectional antennas are also available...

Страница 26: ... loss cable type suited for 900 MHz such as Times Microwave LMR 400 or Andrew Heliax Table 5 lists several types of feedlines and indicates the signal losses in dB that result when using various lengths of each cable at 900 MHz and Table 6 for 2 4 GHz The choice of cable will depend on the required length cost considerations and the amount of signal loss that can be tolerated Table 5 Length vs los...

Страница 27: ...our antenna system should have a large gauge ground wire that goes as directly as possible to a safety earth ground system If a tower is used it should have its own ground system Do not use the building s AC power supply ground as a safety ground for lightning protection Chassis Ground Connect a safety earth ground to the ground post provided on the electronic electrical equipment If a ground term...

Страница 28: ...uited for 1000 MHz is required One unit meeting this criteria is the Bird Model 43 directional watt meter with a 5J element installed The reflected power should be less than 10 of the forward power 2 1 SWR Higher readings usually indicate problems with the antenna feedline or coaxial connectors Data Buffer Setting MODBUS Protocol The default setting for the data buffer is OFF This allows the radio...

Страница 29: ...etting The default baud rate setting is 19200 bps to accommodate most systems If your system will use a different data rate you should change the radio s data interface speed using the BAUD xxxxx abc command Page 41 It should be set to the highest speed that can be sent by the data equipment in the system The transceiver supports 300 to 115200 bps Radio Interference Checks The radio operates in ei...

Страница 30: ...sions will undertake a Remote personality in one timeslot and a Master personality in the alternate timeslot and provide communications with associated Remotes downstream Extensions behave like two radios with their data ports tied together first synchronizing with their upstream Master during their Remote personality period and then providing synchronization signals to dependent Remotes downstrea...

Страница 31: ...o hear the Master When an Extension is added the extended address of the Extension radio must be set to a unique value All Remotes that need to hear that extension can specify this either by designating the extension as the primary XPRI or by including it in their list of valid synchronization sources XMAP 6 2 Establishing a Tail End Link A tail end link can be used to bring an outlying remote sit...

Страница 32: ...rall data throughput in half however multiple networks can be inter connected with no additional loss in network throughput Simple Extended SAF Network The following example depicts a two level network utilizing a single Master M and an Extension X radio See Figure 12 In this network messages directed to Remotes in the K sub network will be relayed through Extension radio Xj k to the K Remotes Any...

Страница 33: ...rks J K L Retransmission and ARQ Operation Functionally the sub network side of an Extension behaves like a corre sponding connection between a Master and a Remote When an Extension is using its Master personality it sends acknowledg ments and performs unconditional retransmissions based on its REPEAT count When an Extension is using its Remote personality acknowledgments are processed and retrans...

Страница 34: ...mple This configuration is easily arranged through the use of the Extension Map in the MDS TransNET Configuration Software s Store and Forward Settings 6 4 Using AT Commands A TransNET network may be configured to support protocols employing Hayes Compatible modem commands through the radio s AT Mode In this mode TransNET units can provide a communications replacement for dial up modems where the ...

Страница 35: ...bjectives ATDT is not a radio command it is part of the payload data input and follows the syntax for Hayes compatible landline modems TransNET commands are entered through the RJ11 DIAGNOSTIC port on Master and Remote radios AT ON and UNIT are examples of TransNET commands AT commands are only entered through the Master s DATA port and only when the TransNET command AT ON has been previously issu...

Страница 36: ...onfiguration of a radio network with an Extension using SAF is straightforward with only a few unique parameters that need to be considered and set at each unit In every network there can be only one Master station It will serve as the sole gateway to the outside world The following three tables detail the parameters that will need to be set on each type of radio in the network Network Master Radi...

Страница 37: ...the network use the same number Extended Address XADDR Details Page 55 A number between 0 and 31 that will serve as a common ad dress for radios that synchro nize directly to this Extension radio serving as Master for as sociated sub network units Zero 0 is recommended for the Master station Primary Extended Address XPRI Details Page 56 XADDR number of the prima ry or preferred radio with which th...

Страница 38: ...to receive data within 75 milliseconds The radio can be awakened more often if desired by your RTU NOTE The SLEEP function must be set to ON without this a ground on Pin 4 will be ignored Table 9 Configuration Parameters for SAF Services Remote Radio s Parameter Command Description Operating Mode MODE R Details Page 48 Sets the radio to serve as a Remote station Network Address ADDR Details Page 4...

Страница 39: ...on in power consumption 6 7 Low Power Mode LPM Master Enabled The Low Power Mode LPM puts Remote radios into a configuration similar to Sleep but with some important distinctions The most important difference is that the radio will automatically go to sleep in this mode regardless of the condition of Pin 4 of the DATA interface connector This feature trades increased latency to gain power savings ...

Страница 40: ...delay values for various settings of TransNET radios setup for Low Power Mode LPM See LPM 1 0 on Page 47 It assumes the primary power voltage is 13 8 Vdc and the polling rate is minimized to yield best case power consumption current values The more each RTU is polled and asked to transmit the more current will be consumed Therefore these values are the lowest that can be expected Power consumption...

Страница 41: ... for Minimum RSSI MRSSI Initially the Remote will favor Masters with signal strengths 10 dB greater than the MRSSI threshold This will allows for some signal degradation of the new Master as the Remote travels When the average signal level from the currently associated Master falls below the user defined MRSSI level the Remote will become out of sync and seek an alternate Master with a reliable si...

Страница 42: ...erating mode but can be slow to start especially if it waits for the reception of long messages before passing on the message 6 12 Full Duplex Emulation If your system design needs to support PTP or Point to Multipoint applica tions and your communications must appear to be full duplex to the connected devices set the Master to CSADDR xxxxx where xxxxx is the Network Address ADDR This will place t...

Страница 43: ...lt HOPTIME FEC and SAF values are provided by the Clock Sync Master to all dependent units NOTE If a Dependent Master station is unable to find the Clock Sync Master station it will not be able to operate properly and the associated network will be out of service Antenna System for Co Located Master Stations Using this TDD Clock Sync mode will prevent any two Masters from trans mitting at the same...

Страница 44: ...erference those in suburban and urban environments are more likely to be affected by other devices operating in the license free frequency band and by adjacent licensed services 2 If possible use a directional antenna at Remote sites Although these antennas may be more costly than omnidirectional types they confine the transmission and reception pattern to a comparatively narrow lobe which minimiz...

Страница 45: ...of suitable filters 7 Proper use of the RETRY and REPEAT commands may be helpful in areas with heavy interference The RETRY command sets the maximum number of times 0 to 10 that a radio will re transmit upstream data over the air Values greater than 0 successively improve the chances of a message getting through when interference is a problem The REPEAT command sets a fixed number of unconditional...

Страница 46: ...nd mode If there is no input in command mode for 5 minutes the DIAG port will revert back to diagnostic link mode PC Based Configuration Tool The MS Windows based MDS TransNET Configuration Software P N 06 4059A01 is designed for use with a PC connected to the radio s diagnostics port The TransNET Configuration Software provides access to all of the radio s capabilities with the benefit of context...

Страница 47: ...energy conservation mode 1 Low power mode enabled network wide 0 Disable low power mode Default REPEAT Details Page 50 Sets displays the fixed downstream re send count RETRY 0 10 Details Page 50 Sets displays the maximum upstream re send count for ARQ Automatic Repeat Request opera tion SAF ON OFF Details page 52 Enables disables the store and forward function for the network controlled by this Ma...

Страница 48: ...mulated full duplex CTS 0 255 Details page 43 CTS delay in milliseconds A value of 0 returns CTS immediately CTSHOLD 0 60000 Details page 43 Hold time that CTS is present following last character from DATA port DEVICE DCE CTS KEY Details page 44 Device behavior DCE normal or CTS Key MODE M R X Details page 48 Operating mode M Master R Remote X Extension MRSSI NONE 40 90 Details page 48 Minimum RSS...

Страница 49: ...d units in MODE X Extensions and Remotes only XPRI 0 31 Details page 56 Address of the primary Extended radio unit Extension XRSSI NONE 40 120 Details page 56 Minimum RSSI level required to preserve syn chronization with a non primary radio Only meaningful when XPRI is not NONE ZONE CLEAR Details page 56 Reset zone data statistics Table 16 Operating Status Display Only Command Description ADDR Det...

Страница 50: ...nization with a Master radio for Remotes in mobile service OWM Details Page 49 Owner s message or site name OT Details Page 49 Status ON OFF of the 1 second delay on delivery of RXD serial data OWN Details Page 49 Owner s name or system name PORT Details Page 49 Current data port DATA connector interface sig naling mode RS232 or RS485 PWR Details Page 49 Forward power output setting in dBm REPEAT ...

Страница 51: ...P Details Page 54 Radio s Sleep Mode setting At Remotes Only SREV Details Page 54 Transceiver firmware revision level STAT Details Page 54 Current alarm status TEMP Details Page 55 Transceiver s internal temperature C UNIT Details Page 55 Programmed unit address for network wide diagnostics XADDR Details Page 55 This unit s Extended address XPRI Details Page 56 Address of the primary Extended radi...

Страница 52: ...5000 A network address must be programmed at the time of installation and must be common across each radio in a given network Radios are typically shipped with the network address unprogrammed causing the address to display as NONE If the address is not set or is set to a wrong value it leaves the system in an invalid state preventing operation and generating an alarm NOTE It is recommended that t...

Страница 53: ...49 ASENSE HI LO Alarm Output Sense This command is used to set the sense of the alarm output at Pin 3 of the OEM module s INTERFACE connector J3 and Pin 6 of the Evaluation PCB s DATA connector The default is HI which means an alarm is present when an RS 232 high is on Pin 6 BAUD xxxxx abc Data Interface Port Baud Rate This command sets or displays the communication attributes for the normal paylo...

Страница 54: ... data bytes will be sent over the air as quickly as possible but the receiver will buffer the data until the entire packet has been collected The delay introduced by data buffering is variable and depends on message size and the number of retransmissions required but the radio will not create any gaps in the output data stream This mode of operation is required for protocols such as MODBUS that do...

Страница 55: ...ue associated with the CTS line response The command parameter ranges from 0 to 255 milliseconds For DCE operation the timer specifies how long to wait after the RTS line goes high before asserting the CTS line A timer value of zero means that the CTS line will be asserted immediately following the assertion of RTS For CTS Key operation see the DEVICE command the timer specifies how long to wait a...

Страница 56: ...ly high DLINK xxxxx ON OFF InSite Diagnostics Link Support DLINK ON enables use of Diagnostic Link mode and establishes it as the default protocol on the DIAG port Diagnostic Link mode is a special protocol used to support Network Wide Diagnostics DLINK must be set to ON to support connection to InSite or to support chained diagnostics between radio networks even while the radio is in sleep mode D...

Страница 57: ...on to all Remotes in a network Setting FEC to ON improves sensitivity at the cost of reduced throughput Typical SCADA telemetry applications use low data rates and as such the FEC setting is normally transparent to them HOPTIME 7 28 Radio Transmitter Hop Timing The HOPTIME command is used to set or display the hop time setting The command is a digit corresponding to the hop time setting in millise...

Страница 58: ...e changes shown in Table 18 to be applied Table 18 INIT Command Generated Defaults Parameter Default Setting Corresponding Command For ALL radios Alarm Mask FFFF FFFF AMASK Alarm Output Sense RS 232 High 5 0 Vdc ASENSE Device Operation DCE DEVICE DCE DATA Interface Port 9600 baud 8 data bits none no parity 1 stop bit BAUD 9600 8N1 Data Port Setting RS EIA 232 PORT RS232 CTS Delay 0 CTS is continuo...

Страница 59: ...wer savings Low power mode LPM automatically saves power at a Remote by instructing the Remote to shutdown for large periods of time in between SYNC messages Master transmissions are automatically blocked while the Remotes are asleep Note both Masters and Remotes are adaptive and will suppress a normal sleep interval if data transmission or reception is in progress LPM 1 at the Master enables low ...

Страница 60: ...perating mode of the radio A Master radio is set by MODE M a Remote set by MODE R and an Extension is set by MODE X All units default to Remotes other modes must be specifically programmed with the MODE command If MODE X is used the MODE X radio should be programmed with an Extended Address XADDR Units that need to hear this MODE X radio must be programmed with an appropriate XPRI and or XMAP valu...

Страница 61: ...s for EIA 232 and EIA 485 variations begin on Transceiver Module s Interface Connector J3 Detailed Pin Descriptions on Page 66 This command will not function on transceivers with a TTL signalling inter face PWR 20 30 Radio Transmitter Power Level This command displays or sets the desired RF power output of the radio The PWR command parameter is specified in dBm and can be adjusted in 1 dBm steps T...

Страница 62: ...ator This command displays the radio s Received Signal Strength Indication in dBm decibels relative to 1 mW The output can range from 40 dBm to 120 dBm Command availability and results depend on the mode of opera tion Master or Remote The closer to 0 dBm the stronger the signal thus a reading of 70 dBm is stronger than 80 dBm For a Remote radio under normal operation RSSI is based on the average s...

Страница 63: ...ng is 915 000 MHz RXD 0 255 RXD Delay Used to set a delay in milliseconds of RXD data to emulate a seamless mode with much lower latency in applications where retries are not required Use a delay of twice the value of the HOPTIME period See Page45 RXTOT NONE 0 1440 Receive Data Timeout Timer This command sets or displays the amount of time in minutes to wait for the next received data packet befor...

Страница 64: ...SER Radio Serial Number Displays the serial number of the radio SHOW CON Show Virtual Connection Status Shows virtual connection status established by the latest ATDT command sequence Works only with AT ON See AT ON OFF on Page 41 If no connection is established it displays NONE If a connection is active it will display Master unit address TO Remote dialed unit address SHOW PWR Show Measured RF Tr...

Страница 65: ...0 and a maximum of three zones may skipped for TransNET 2400 Check the regu latory requirements for your region The SKIP function may not be permitted in your country and the radio will not respond to the SKIP command Table 19 900 MHz Frequency Skip Zones ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6 ZONE 7 ZONE 8 902 2 to 905 2 905 4 to 908 4 908 6 to 911 6 911 8 to 914 8 915 0 to 918 0 918 2 to 921 ...

Страница 66: ... an alarm does exist a two digit alarm code 00 31 is displayed and the event is identified as a Major or Minor alarm A brief description of the event is also given If more than one alarm exists the word MORE appears and additional alarms may be viewed by pressing the key Detailed descriptions of the alarm codes are provided in Table 23 on Page 58 TEMP Radio s Internal Temperature This command disp...

Страница 67: ... where the least significant bit represents XADDR 0 and the most significant bit represents XADDR 31 The full 32 bit hex value represents the entire list of extensions with which the radio will be allowed to communicate Pertains to Remotes and Extensions only This parameter is easily programmed through the MDS TransNET Configu ration Software s Store and Forward Settings panel XPRI 0 31 Primary Ex...

Страница 68: ... DATA format is displayed as follows 1 TX TOTAL 00000000 1 RX TOTAL 00000000 1 RX ERROR 00000000 x x x 8 TX TOTAL 00000000 8 RX TOTAL 00000000 8 RX ERROR 00000000 All data is based on payload packets Incoming network data may be divided into multiple packets for over the air transfers The number before the colon represents the zone TX TOTAL is the transmit packet total RX TOTAL is the receive pack...

Страница 69: ...rms STAT command To check for the presence of alarms enter STAT If no alarms exist the message NO ALARMS PRESENT appears at the top of the display If an alarm does exist a two digit alarm code 00 31 is displayed and it is identified as a major or minor alarm A brief description of the alarm is also given Alarm codes and their meanings are listed in Table 23 If more than one alarm exists the word M...

Страница 70: ...e to properly program the system to the appropriate defaults A hardware problem may exist 12 Major Receiver time out alarm 16 Minor The unit address is not programmed 17 Minor A data parity fault has been detected on the DATA connector This usually indicates a parity setting mismatch between the radio and the RTU 18 Minor A data framing error has been detected on the DATA connector This may indica...

Страница 71: ...n RXD CR3 Receive Data Serial receive data activity Payload data from con nected device TXD CR4 Transmit Data Serial transmit data activity Payload data to con nected device DCD CR5 Data Carrier Detect Continuous Radio is receiving sending synchroni zation frames On within 10 seconds of power up under normal conditions GP CR6 General Purpose Continuous Power is applied to the radio no problems det...

Страница 72: ... the radio and the connect ed device b Check the antenna feedline and connectors Reflected power should be less than 10 of the forward power reading SWR 2 1 or lower c If the Remote radio is in synchronization but performance is poor check the received signal strength using the RSSI command Page 50 If RSSI is low it may indicate antenna problems or mis alignment of directional antenna headings d V...

Страница 73: ...ndbook Part No 05 3467A01 1 Program one radio in the network as the root radio by entering the DTYPE ROOT command at the radio 2 At the root radio use the DLINK ON and DLINK baud rate commands to configure the diagnostic link protocol on the DIAG port 3 Program all other radios in the network as nodes by entering the DTYPE NODE command at each radio 4 Use the DLINK ON and DLINK baud rate commands ...

Страница 74: ...ostics port 2 Start the MDS TransNET Configuration Software Open diagnostics port to the radio The program will automatically read the radio s profile 3 From the File menu select Radio Firmware Upgrade and follow the prompts to install the new firmware into the radio Do not press the Cancel button once the installation has started or it will leave the radio without any code When the installation i...

Страница 75: ...security for most systems For highly sensitive applications system designers should consider employing application level encryption into their polling protocols to further protect their systems Third party software tools are available for adding encryption and these should be considered as part of any advanced encryption scheme 12 0 TECHNICAL REFERENCE 12 1 Product Specifications 900 MHz GENERAL F...

Страница 76: ...1 dBm above 960 MHz RECEIVER Type Double conversion superheterodyne Sensitivity 105 dBm 1 x 10 6 BER Intermodulation 59 dB minimum EIA Desensitization 60 dB Spurious 60 dB minimum Bandwidth 200 kHz Interference Ratio SINAD degraded by 3dB Co channel 20 dB Adjacent channel 0 dB Two channels away 20 dB Three channels away 30 dB Time Required to Synchronize with Master Radio 0 5 seconds typical 12 2 ...

Страница 77: ... header female Data Rate 300 600 1200 1800 2400 4800 9600 19200 38400 57600 115200 bps asynchro nous Data Latency 7 ms typical Byte Length 10 or 11 bits Maximum Data Transmission Continuous up to 115200 bps RF CHARACTERISTICS TRANSMITTER Power Output at antenna connector 0 5 Watt 27 dBm Max Duty Cycle Continuous Modulation Type Binary CPFSK Output Impedance 50 Ohms Spurious 49 dBm 216 MHz 960 MHz ...

Страница 78: ...RS 232 RS 485 selectable Diagnostic data RS 232 Figure 16 16 pin Header Connector J3 on OEM Transceiver Board See parts list Page80 for information on match ing connector Table 27 Transceiver Connector J3 Pinouts Payload data TTL Diagnostic data TTL Pin No Input Output Signal Type Name Description 1 IN Ground Connects to ground negative supply poten tial 2 OUT TTL 3 Vdc Diagnostic TXD Supplies rec...

Страница 79: ...equest to Send RTS A high causes CTS to fol low after the programmed CTS delay time has elapsed DCE 13 Reserved Do not connect 14 OUT TTL 3 Vdc Received Data RXD Supplies received payload data to the connected device 15 IN Ground Connects to ground negative supply poten tial 16 OUT TTL 3 Vdc Clear to Send CTS Goes high after the pro grammed CTS delay time has elapsed DCE or keys an attached radio ...

Страница 80: ...le of furnishing at least 7 5 watts 12 IN TTL 3 Vdc Request to Send RTS A high causes CTS to fol low after the programmed CTS delay time has elapsed DCE 13 Reserved Do not connect 14 OUT TTL 3 Vdc Received Data RXD Supplies received payload data to the connected device 15 IN Ground Connects to ground negative supply poten tial 16 OUT TTL 3 Vdc Clear to Send CTS Goes high after the pro grammed CTS ...

Страница 81: ...ply Shutdown Control A ground on this pin causes the OEM module s power supply to shut down 9 Reserved Do not connect 10 IN RS 232 5 Vdc Transmitted Data TXD Accepts payload data from the connected device 11 IN DC Input 6 30 Vdc Supply Source must be capa ble of furnishing at least 7 5 watts 12 IN RS 232 5 Vdc Request to Send RTS A high causes CTS to fol low after the programmed CTS delay time has...

Страница 82: ...greatly reduced power consumption yet preserves the radio s ability to be brought quickly back on line See Using the Radio s Sleep Mode Remote Units Only on Page 26 for details 7 OUT TTL 3 Vdc Data Carrier Detect DCD A low indicates hop ping synchronization has been achieved 8 IN TTL 3 Vdc Power Supply Shutdown Control A ground on this pin causes the OEM module s power supply to shut down 9 Reserv...

Страница 83: ...heir small size For this reason only qualified personnel should install the jumpers and external connections Installation of internal jumpers and connection to non standard inter face pins may void the product s warranty If you are uncertain of your interface design please consult with the GE MDS Technical Services Department for a review of your design to assure maintenance of your warranty Invis...

Страница 84: ... values of I O 1 I O 2 at the TransNET s DATA Interface connector will remain in a constant state until manually changed though the InSite Configuration screen Application Example Digital Input Output at Remote A typical application of the user I O connections may require one digital input and one digital output to be controlled by network diagnostics In this example H3 could be jumpered to H7 I O...

Страница 85: ...valuation Board and the transceiver module The Evalua tion PCB is compatible with TTL and RS 232 485 configured radios mounted on it Table 34 lists the basic pin functions of J2 The Evaluation Board provides convenient connection points for diagnostics payload data and DC power Each of these connectors are discussed in this section The board also includes a series of test probe points to the left ...

Страница 86: ...wn firmly The radio PC board should seat solidly on the four standoff spacers Use nuts to secure the board to the standoffs Invisibleplaceholder Figure 19 Connecting the Transceiver upper PCB and Evaluation Board lower PCB Together CAUTION Take care to avoid short circuiting the underside of the Evaluation PC board The bottom of the board is not insulated and contact with metallic objects on the w...

Страница 87: ...M Transceiver Two such setups will be required if you intend to establish over the air communi cations with another OEM transceiver Invisibleplaceholder Figure 20 Typical Test Setup Antenna Connection Transceiver Module J200 201 Antenna connector is located at the edge of the transceiver module on the side opposite the Interface connector J3 The connector can be one of several sub miniature RF coa...

Страница 88: ... transceivers such as the MDS 9810 and x710 family the connectors are not equal and the use of the wrong plug will provide unre liable connections Only the power connector shown in Figure 21 with screw termi nals and two retainer screws should be used with the OEM Evaluation Board Diagnostic Connection J4 J4 is an RJ 11 6 modular connector used to connect the evaluation board transceiver to a PC t...

Страница 89: ...gure 23 is the data interface for the trans ceiver J5 is used to connect the transceiver to an external DTE terminal that supports only EIA RS 232 signalling at speeds which are dependent on the radio data rate of either 300 600 1200 1800 2400 4800 9600 19200 38400 57600 or 115200 bps asynchronous only The connector mates with a standard DB 9 plug available from many electronics parts suppliers DA...

Страница 90: ...s are provided for low current and low voltage connections Figure 23 DATA Connector DB 9F J5 As viewed from outside the device Table 32 DATA Connector J5 Pin Descriptions RS EIA 232 Pin Number Input Output Pin Description 1 Eyelet H11 Evaluation PCB 2 OUT RXD Received Data Supplies received data to the connected device 3 IN TXD Transmitted Data Accepts TX data from the connected device 4 Eyelet H1...

Страница 91: ... various operating conditions by inserting an inline ammeter and 2 To bypass the Evaluation PCB s 3 3 Vdc regulator to connect your own power source With the jumpers removed the pins of J1 can be used as convenient points to measure the regulated and unregulated power supplied to the OEM module Invisibleplaceholder Figure 25 J1 Transceiver Power Eyelets NOTE Jumper J1 does not normally require any...

Страница 92: ...electronic components used on the Evaluation Board Table 33 OEM Evaluation Board Parts List Ref Desig Part Description CR1 DIODE SOT23 SMALL SIG 914 5D CR4 CR5 CR6 RECTIFIER 30V B13 CR2 CR3 DIODE SCHOTTKY POWER SMT SNGL UPS840 Q1 Q2 TRANSISTOR SOT23 NPN 6429 M1LR U4 U5 IC LINEAR SC70 5 COMPARATOR SNGLE LMV33 U1 IC IN FACE SSOP28 RS 232 TXVR SP3238E C8 R10 R3 C26 R9 C9 C4 C1 C20 C18 C19 R5 TXD GND ...

Страница 93: ...0uf C6 C7 C9 C10 C11 C29 C31 CAP CHIP 0603 50V NPO 5 100pf C1 C2 C3 C4 C5 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C8 CAP CHIP 0603 X7R 10 0 1uF C13 CAP CHIP 0603 X7R 10 470 pF C14 CAP CHIP 0603 X7R 10 4700pF C15 Capacitor Low ESR Chip Ceramic 1210 22uF C16 Capacitor Low ESR Chip Ceramic 1210 4 7 L1 INDUCTOR SWITCHING 20 10uH J1 CONN HEADER 0 100 DUAL STR 4 PIN P O J1 1 2 P O J1 3 4 CONN JUMPER FH1...

Страница 94: ...oldout schematic found in the rear of this manual can also be found in the TransNET Support Package CD ROM and from our Web site at www GEmds com 13 3 Evaluation Board Fuse Replacement The Evaluation Board is protected by a 2 Ampere fuse The fuse can be blown by an over current condition caused by an internal failure or over voltage Follow the procedure below to remove and replace the fuse Table 3...

Страница 95: ...wer connector J3 3 Loosen the fuse from the holder using a very small screwdriver then use a small pair of needle nose pliers to pull the fuse straight up and out of the holder 4 Use an ohmmeter or other continuity tester to verify that the fuse is open 5 Install a new fuse in the holder Replacement fuse information Littelfuse 0454002 452 Series 2 Amp SMF Slo Blo fuse GE MDS Part No 29 1784A03 ...

Страница 96: ...1 40mW 5 125 32mW 6 115 25mW 7 100 20mW 8 090 16mW 9 080 125mW 10 071 10mW 11 064 12 058 13 050 14 045 15 040 16 0355 dBm mV Po 17 31 5 18 28 5 19 25 1 20 22 5 01mW 21 20 0 22 17 9 23 15 9 24 14 1 25 12 8 26 11 5 27 10 0 28 8 9 29 8 0 30 7 1 001mW 31 6 25 32 5 8 33 5 0 34 4 5 35 4 0 36 3 5 37 3 2 38 2 85 39 2 5 40 2 25 1µW 41 2 0 42 1 8 43 1 6 44 1 4 45 1 25 46 1 18 47 1 00 48 0 90 dBm mV Po 49 0 ...

Страница 97: ...05 3946A01 Rev C TransNET OEM Integration Guide 85 ...

Страница 98: ...86 TransNET OEM Integration Guide 05 3946A01 Rev C ...

Страница 99: ...d at the receiving end to evaluate the data packet integrity and if it is not the receiver will request a retransmission Decibel dB A measure of the ratio between two signal levels Frequently used to express the gain or loss of a system Data Circuit terminating Equipment See DCE Data Communications Equipment See DCE Data Packet A group of data bytes of various lengths to be sent over the air Each ...

Страница 100: ...data protocol Frame A segment of data that adheres to a specific data protocol and contains definite start and end points It provides a method of synchronizing transmissions Frequency Hopping The spread spectrum technique used by the transceiver wherein two or more associated radios change their operating frequencies several times per second using a set pattern Since the pattern appears to jump ar...

Страница 101: ...n associated master station A radio may be programmed for either master or remote mode using software commands Remote Terminal Unit See RTU Repeater A radio that receives RF data and retransmits it See Store and Forward RTU Remote Terminal Unit A data collection device installed at a remote radio site SCADA Supervisory Control And Data Acquisition An overall term for the functions commonly provide...

Страница 102: ... switching that utilizes bipolar transistors to sense high and low logic levels 1 and 0 respectively Transmission Latency Time required to send a single packet of data to the receiving end of the circuit This value will depend on the baud rate and number of bytes in the sequence Zone See Frequency Zone ...

Страница 103: ...Cable data equipment to DATA INTERFACE connector 34 data interface wiring for tail end links 10 20 feedlines 14 Clear Zone Statisics Log ZONE CLEAR 57 Clear to Send Delay CTS Command 44 Clear to Send Hold Time CTSHOLD Command 44 Clock Synchronizing Master Address CSADDR Command 44 CODE command display set encryption value 43 Command 48 TEMP radio s internal temperature reading 56 Commands ADDR set...

Страница 104: ...on level 55 STAT list alarms 55 TEMP display internal temperature 56 UNIT unit address 56 XADDR extended address 56 XMAP Map of Extension Addresses 56 XPRI display program primary radio s extended address 57 XRSSI sets minimum signal level for sync with non primary extension unit 57 D Data Baud Rate BAUD Command 42 Data Baud Rate BUFF Command 43 Data buffer setting 16 43 DATA INTERFACE cable wirin...

Страница 105: ...RTU command 52 network wide diagnostics procedures 62 Setup mode SETUP command 53 skipped zone SKIP command 54 Sleep Mode Enable Disable LEDs LED Command 48 Encryption See CODE command Equipment List 45 Evaluation Board Description connections to 74 80 PC Board Documentation 81 84 Extended Address Command XADDR 56 Extension radio See Store and Forward SAF F Feedline selection 13 14 Firmware Revisi...

Страница 106: ...0 Mounting instructions dimensions 11 12 Multiple Address System MAS network illustrated 4 N Network Address ADDR Command 41 Network configuration commands 36 Network Diangnsotics Mode DTYPE Command 46 Network wide diagnostics procedures 62 Node radio diagnostics type 46 O LED 48 Modbus BUFF 43 OWM command set display optional owner s message 50 OWN command set display optional owner s name 50 Own...

Страница 107: ...nd TEMP 56 Radio MODEM Behavior DEVICE Command 45 Receive Data Timeout Timer Command RXTOT 52 Received Signal Strength Indicator Command RSSI 51 Remote radio default settings 47 Remote station typical arrangement illustrated 76 Remote Terminal Unit Simulator Command RTU 52 Repeater Operation See Store and Forward SAF Restore to Factory Defaults INIT 46 Root radio diagnostics type 46 RSSI command d...

Страница 108: ...ssories 6 alarm codes 59 antenna system gain vs power output setting 18 DATA INTERFACE connector pin descriptions 79 LED status indicators 11 60 troubleshooting 61 Tail end link cable wiring for illustrated 10 20 illustrated 5 installation 9 20 Technical specifications 64 65 TEMP command display internal temperature 56 Temperature display internal TEMP command 56 Transceiver connecting to data equ...

Страница 109: ...xpedite the repair so that the equipment can be repaired and returned to you as quickly as possible Please be sure to include the SRO number on the outside of the shipping box and on any correspondence relating to the repair No equip ment will be accepted for repair without an SRO number SRO numbers are issued online at www GEmds com support product sro Your number will be issued immediately after...

Страница 110: ...GE MDS LLC Rochester NY 14620 General Business 1 585 242 9600 FAX 1 585 242 9620 Web www GEmds com 175 Science Parkway ...

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