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Eltek GenII RC250, Working Instructions

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Eltek GenII RC250 Working Instructions Download Page 32

  32 

The Edit RX Channel window is shown below: 

 

11.4.3

 

Serial Data 

Both  ModBus  and  RC250  Serial  Interface  protocols  are  implemented  on  an 

RS232 interface. The interface requires no configuration and will automatically 

respond appropriately to either protocol. It is preset to these settings: 

Baud Rate 

19200 

Data Bits 

8 

Stop Bits 

1 

Parity 

None 

 

  

11.4.4

 

Calibrating transmitter channels using RxConfig 

Documentation detailing how to calibrate a transmitter from within RxConfig 

can be found in RxConfig’s online help. Launch RxConfig, click 

Help

 > 

Contents 

and choose 

Reference 

> 

Transmitter Setup

 > 

Calibrating 

Transmitter channels

.   

11.5

 

Help file issues 

Microsoft  do  not include  the  Windows help  system with  Windows  Vista/7/8 

/10by default. RxConfig and RpConfig currently use this form of help. You can 

install the help system via Microsoft from the following location(s): 
Windows Vista/7/8:

  

https://support.microsoft.com/en-us/kb/917607

 

There is currently no way of viewing Windows help files (.hlp) within Windows 

10. 

 

Summary of Contents for GenII RC250

Page 1: ...p panel connections 8 3 9 Specification 8 4 Care and disposal of product 9 5 Maintenance and calibration 10 5 1 Maintenance 10 5 2 Calibration 10 6 Note about RF performance 11 7 Accessories 12 7 1 Pr...

Page 2: ...3 Columns in the RX Configuration panel table 28 11 4 Modbus configuration 28 11 5 Help file issues 32 12 Transmitter connections 33 12 1 GS GD13E 33 12 2 GS GD14E 33 12 3 GS GD 31 2 4 4R 8 33 12 4 G...

Page 3: ...3 16 Pulse count and GenII telemetry 45 Declaration of Conformity 46...

Page 4: ...s that the RxConfig software will be used to configure the RC250 and transmitters and that the RepConf software will be used to set up repeaters if required Quick survey methodology is included Eltek...

Page 5: ...hat change very quickly 500mS 2 2 Transmitter interval The GenII system is a one way telemetry system There is no need for a receiving or polling device at the transmitter unit meaning battery enduran...

Page 6: ...works by first receiving a data packet from a transmitter verifying it then storing it to be read by the external device or PC It is verified by means of a checksum contained in the message and the a...

Page 7: ...erface or Trend IQ3 using Modbus 3 6 LED Indicator A red LED on the top of the RC250 Indicates the receiver has successfully received a valid data packet In addition to this the RC250 display will sho...

Page 8: ...ct frequency Rx sensitivity 117dbm typical Antenna connection SMA socket Antenna standard type supplied wave whip shipped with product Eltek UHFFlexi SMA Antenna lightweight dipole optional Indoor out...

Page 9: ...secondary water weatherproof enclosure is required and can be supplied by Eltek Do not abuse the transmitter by dropping knocking or violent shaking Rough handling could damage the transmitter Do not...

Page 10: ...ffective The battery chemistry for devices that are AC powered with built in back up batteries e g RX250AL GD47 GW47 and RP250GD is NiMh and should be reliable for many years It is suggested that they...

Page 11: ...erference are mobile phones walkie talkie type radios Tetra police communication systems computer equipment especially older equipment and anything with a radio transmitter in it e g the components of...

Page 12: ...all GenII product except TMET WBG 7 4 Leads Serial to USB convertor lead RS232 USB 2M LC68 lead extender RS232 2M 7 5 Connectors Mini thermocouple connector type T brown MiniT Mini thermocouple connec...

Page 13: ...P9U DIN rail mounting AC to 12VDC power supply for GD90A DRA18 12 Wire in 24 12V to 9V regulator 24REG9 7 9 Communications module RS485 interface for RC250 units after serial no 25194 SQ RS485 Wired s...

Page 14: ...eries for RC250 RC250D or WSR EL6XMIMH 8 3 Connectors 2 way transmitter connector screw down green with strain relief MINIPL2 4 way transmitter connector screw down green with strain relief MINIPL4 5...

Page 15: ...15 8 6 Power supply AC to 12VDC power supply For GD40A MP12U GD40A...

Page 16: ...ith pulse output Elster A100C GC62 GD67 and GD68 Heat meter Landis Gyr T230 GD93A Heat meter Sontex SuperCal 539 GC62 GD67 and GD68 Heat meter Sontex SuperStatic 440 GC62 GD67 and GD68 Heat flux senso...

Page 17: ...Built in Ni Mh batteries provide up to 3 days standby in the event of power failure A fully discharged battery is normally charged in 72 hours When you first receive the RP250GD the display will read...

Page 18: ...c EN300 200 Temperature Range 10 to 55 C Humidity 95 non condensing Environment Indoor use only IP40 A secondary enclosure must be used for outdoor use Backup batteries type Ni MH pack Backup battery...

Page 19: ...GD only Do not repeat transmitters unnecessarily RC250 Repeater 1 Delay 0 Tx 1002 Tx 1001 10 2 2 A system where are there are two or more RP250GD Do not repeat transmitters unnecessarily Repeater 1 De...

Page 20: ...Tx 1004 Repeater 2 Delay 0 Repeater 3 Delay 1 Repeater 1 Delay 0 RC250 Tip Make a proposed system schematic as this will assist set up for the various repeaters in the system TX1002 could be roving mo...

Page 21: ...109 106 102 100 97 94 91 88 87 84 82 79 77 73 dbm At Risk Marginal Ideal essential during survey 118 At Risk Insufficient margin of safety to guarantee year on year performance Marginal Depending on e...

Page 22: ...ling communications across roadways or car parks Use of an external antenna on the receiver repeater or individual transmitters can be used to optimise range Locating the Receiver Before the location...

Page 23: ...machinery that changes position e g fork lift trucks cranes 10 4 1 Using an RP250GD RP250GDS to detect interference Disconnect the antenna and if no interference is present the RSSI bar on the unit s...

Page 24: ...er to the PC with the cable supplied In RxConfig open Transmitter Setup Enter the correct COM port and click OK Connect Enter 1 second as the Tx Interval and click Set Tx Interval 10 5 2 Prepare the r...

Page 25: ...locations when surveyed At the end of the survey you should have sufficient information to update the plan There may be an opportunity to rationalise the plan and perhaps reduce the number of repeater...

Page 26: ...ile Load Receiver Upload an existing RC250 configuration File Save Receiver Save the current RC250 configuration File Properties Select PC serial port for communications with RC250 and Transmitter Too...

Page 27: ...t box 1 Now connect each transmitter to the PC using an LC TX3 programming lead Use File Properties to set the TX serial port Get the transmitter details using the Get TX button the TX serial number w...

Page 28: ...ber of successful transmissions received indicates the reliability of performance and is for comparison purposes only 11 3 1 No Data Interval Within the Edit RX Channel window is the feature No data I...

Page 29: ...0 the only Function Code that can be used is Read Holding Registers 0x03 It is possible to read several registers at a time using the Quantity of Registers field but note that RC250 is limited to 50 r...

Page 30: ...alue Hi 06 Raw Value Lo 2b in decimal 1579 CRC Hi 4e CRC Lo 3b Example request to retrieve holding register 200 201 set up to contain the scaled values from channels 1 and 2 from node address 6 Slave...

Page 31: ...alue of range 241 0xF1 Scaled value is below the minimum value of range 242 0xF2 Sensor is open circuit 243 0xF3 No Data 244 0xF4 Dummy 11 4 2 Extra information on RC250 ModBus setup The following par...

Page 32: ...umentation detailing how to calibrate a transmitter from within RxConfig can be found in RxConfig s online help Launch RxConfig click Help Contents and choose Reference Transmitter Setup Calibrating T...

Page 33: ...x External RH temperature digital interface E for RHT10D J for E plus E EE08 12 2 GS GD14E As GS GD13 but with 2 x external thermistor temperature inputs 12 3 GS GD 31 2 4 4R 8 All inputs for thermis...

Page 34: ...urrent inputs A and B is a voltage input 0 100mV 1V 10V plus EU scaling configured using Darca software is a current input 0 20mA or 4 20mA plus EU scaling configured using Darca software If current i...

Page 35: ...ure probe Channel C is presented to the logger as the temperature Channel D is presented to the logger as the RH A C D pwr data clk gnd B V C Th Channel A Version E Ranges are 0 100mV 1V 10V 0 20mA 4...

Page 36: ...upply output ve or FET switch is sensor supply output ve or FET switch The provides four voltage inputs A B C and D There is also an external 9VDC supply input on Connector 1 and a sensor supply outpu...

Page 37: ...A s s o Signal ve Signal ve o Input B 2 x pulse input transmitter Range 6V to 9V DC regulated Power supply is MP9U from Eltek External power in When external power is applied and if greater than the...

Page 38: ...ve Inputs s o 12 16 GD72E E F pwr data clk gnd A D pwr data clk gnd LIGHT RH T For use with LS50 lux sensor or LS70 lux UV sensor and RHT10D RH temperature probe 12 17 GD90A 900A T T GND GND R R G ND...

Page 39: ...Control switch concealed test mode hibernate Antenna socket SMA 13 2 Individual transmitter specifications Models Sensors Range Resolution Accuracy GC04 GD 04 1 x external thermistor temperature 40 t...

Page 40: ...ture 50 to 150 C 0 05 C 5 to 75 C 0 1 C 5 to 75 C GS32 GD 32 2 x external thermistor temperature 0 1 C 25 to 100 C 0 2 C 25 to 100 C GS34 GD 34 4 x external thermistor temperature state inputs 0 2 C 4...

Page 41: ...000ppm 3 50ppm 1 x built in 12VDC supply monitor GS52 GD 52 2 x 2 or 4 wire Pt100 temperature 100 to 200 C 0 1 C 0 3 C GS52H 2 x 2 or 4 wire Pt100 temperature 0 to 300 C 0 1 C 0 3 C GC60 2 x state ind...

Page 42: ...RS485 modbus input for NDRail350V energy meter Up to 12 values GD900A As GD90A but can connect to up to 6 NDRail350V meters GD93A 1 x MBUS input for 3 x landis and gyr T230 heatmeter TMET 1 x u type t...

Page 43: ...GS34 transmitters with a serial number greater than 13316 and GD34 transmitters with a serial number greater than 13773 will have a state range option When open circuit the channel will read 1 and fo...

Page 44: ...ntial that the transmitter is powered externally the AC power supply must be a type which has extremely low AC leakage current such as medical grade types It is preferred that only the Eltek MP12U pow...

Page 45: ...eived by the receiver should always be investigated as a matter of urgency as no datas could be an indication of radio coverage issues The period that the receiver can cope with consecutive no datas a...

Page 46: ...is instrument conforms to the requirements of the EMC Directive 89 336 EEC amended 92 31 EEC and carries a CE mark indicating conformity Applied Standards Harmonised European Standard EN50081 part 1 a...

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