GD90A User Instructions
Contents
1. Red LED cadence due to activation of the concealed push switch Function Activate LED cadence switch for Tx disable Tx disable 5 x fast flashes After 5 seconds displays OFF Tx enable when configured 5 seconds 1 continuous 5 After 5 seconds displays sec flash sensor information Test transmissions 2 second Short flashat No change approximately every 5 sec for time of 2 minutes transmission Red LED D5 due to GD90A being configured or not configured GD9I0A LED Note LCD condition GD9IDA not Blink every 8 Battery gauge configured seconds displayed only GD90A Short flash at time A transmission occurs at a random See Display configured of a transmission time within the set TX interval below Page 4 of 8 LCD The LCD includes a battery condition gauge active at all times ah Battery gauge will flash if battery discharge imminent Only configured channels are displayed The LCD Scrolls through the configured channel values If channels A K are configured but the NDkail350 is not connected or communications have failed the display will read UFEN If channel L is configured this display will read O if no external supply is connected or 1 if external 12VDC is connected Note If the GD9OA is to be stored or will not be connected to a charging source for more than 48 hours the GB9OA should be disabled put into hibernate mode i e TX disable mode to prevent total battery drain and possible loss of settings Press t2. through L GD90A Phase Range Resolution Function in Darca Channel P2 0 1 0 01 Power factor PF P3 0 1 0 0 Power Factor PF 65000 Sy Pulse count kvarh Ext power to GD90A State P1 O 1 0 01 Power factor PF Page 2 of 8 CTs that can be used with the NDRail350 all AC333mV output at range E dia SCL8 5 43 x 37x 32 SCL16 50 51x45x27 SCL16 100 51x45x27 SCT19 150 ot X52 XIZ SCT32 400 82 5 X 85 X 27 SCT51 800 l2IXI2 X32 Other SCT19 models available 5 10 15 20 30 50 70 and 100A refer Eltek Other SCT32 models available 70 100 150 200 250 300 400 and 600A refer Eltek Other SCT51 models available 600 1000A refer Eltek SCL can be operated at range x 1 21 continuously SCT can be operated at range x 1 31 continuously Important note CTs have a moulded arrow impressed on the case The CT must be mounted on the power cable so that the arrow points to the load CT wiring Black is positive white is negative GD90A Links The transmitter contains a rechargeable battery to maintain the GD90A operational Should the AC supply fail For despatch the battery is disconnected to prevent total discharge To connect the battery when received remove the two bottom cover retaining screws to reveal ry i Battery oO alll oe CG a piel PS Shipping To commission The red link is installed as shown Remove the red link and install as above as Page 3 of 8 GD9I0A Note
3. 0 supplied by Eltek is configured for use with GD9IOA If supplied direct the communication baud rate must be set to 19200 set Address to 1 To set the baud rate Press amp V simultaneously for 4 seconds to show L 7 Press to step to br ignoreuN Pir PLE PEG andHr Press P Or E tO set to 1972700 Press to step to storing ignore Addr Er uE Ruto Wait 3 seconds to complete The CT range must be set on the NDkail350 see NDRail350 operating manual section 3 3 GD90 specification Frequency Tx compliance TX Output power Useable Tx interval On air duration Environment Temperature Range Humidity SIZE Weight Connection strip Antenna Antenna connector FIXING Battery type Battery endurance Charging time Default is 434 225Mhz other frequencies are available To EN300 220 1 1OmW ERP typically 10 seconds to 15 minutes approximately 400mS Indoor only rated IP40 10 to 55 C compliant to EN300 220 1 operational 30 to 60 C 95 non condensing 85 x 78 x 42mm excluding 75mm antenna 250g 8 x miniature pitch rising cage connector included Supplied compressed spring L 75mm Gain 3db SMA WBG wall fixing bracket optional PCB mounted 6V 0 17Ah Ni mH typically gt 24 hours if battery fully charged typically 36 hours from discharged to 80 capacity Max lead length to NDRail350 screened twisted pair lt 20m NDRail350 support information Brochure http www ndm
4. Eltek TU1023 Genll GD90A Energy monitor NDRail350 transmitter user instructions mera NDRail350 DOWeEr SUDDly l2 ness The GDYONA is part of the Eltek Genll family of transmitters When used with the NDkail350 energy monitor and appropriate current transformers the GD90A provides comprehensive monitoring and patterns of use of a three phase supply The system is ideal for retro fit energy monitoring Tne GD90A can be used along side all other Genll transmitter types The system comprises GD90A transmitter NDkail350 1 x three phase load meter NDMeter CTs DSP10 12 DIN rail mounting power supply to power the GD90A All components can be supplied by Eltek The GD90A has an input for 1 x NDRail350 energy monitor Modbus RS485 Note NDkail310 can also be used but not all parameters can be realised on the GD9IDA channel assignment refer to page 2 The NDRail350 has an input for 1 x three phase load 3 x CT AC333mvV 3 X AC230V nominal 1 x AC230 nominal to power the unit Parameters measured are 3 x voltage 3 x current 3 x power factor cos kWh and kvarn Page 1 of 8 GD90A channel assignment Channels can be presented at the RX250AL together with those from any other Genli transmitter and can be reordered during TX Setup or when configuring the RX250AL Channels can only be renamed when configuring the RX250AL with Darca software Note RX250AL channels are numbers 1 through 247 GD90A channels are labelled A
5. e ref TU1008 supplied with the RX250AI or download from http www eltekdataloggers co uk literature shtml Connect the LCTX3 to the Comms socket To access the Comms connector remove the two screws securing the case bottom to reveal the Comms connector Note GD90A cannot be configured by the logger only Comms connector AS a precaution disconnect the external 12VDC power supply before inserting the LCTX3 jack into the Comms socket The external 12VDC can now be connected When configuration is completed disconnect the external 12VDC power supply before removing the LCTXS jack If the unit is not intended for immediate use park the battery link so as to disconnect the internal battery See GDIOA links page 4 Before setting Tx channels please set the TX Interval Help Refresh Next Transmitter gt gt Close Transmitter Connections Transmitter Tx 18303 Sensor On time s fo Set Sensor On Time Total transmitter channels 12 Delete All Tx Channels User Preferred Tx Int foontso i Used transmitter Channels 0 Set Delete Selected Tx Channels Tx Interval Free transmitter Channels 12 I Match 00 01 40 re Set Tx Interval Battery Level 2 83 Auto Set All Channels Interval User Preferred Channel Current Squirrel Start Channel ie o Update Channel Allocation Tx Chan Range Sq Chan Match Alarms Hit to A me Oto 5000V zs eee ae eae 8 Votage ODtesm00V E Se
6. eter co uk files ND_ 350 Retro Fit_ Meter Brochure pdf User manual http www ndmeter co uk files ND_Powerkail350_ Manual pdf Installation manual packed with product SCL CT brochure http Awww ndmeter co uk files SCL_Retro fit_ Current Sensors pdf SCT CT brochure http Awww ndmeter co uk files SCT_Retro fit_ Current_ Sensors pdf TU1023 10 08 15 Page 8 of 8
7. he concealed push for 5 seconds The LCD will now read UFF Connecting the GD90A NDRail350 CTs and TDK DSP 10 12 power supply Red The GDYOA is supplied with Twist a 1m tail for connection to NDRail350 and TDK DSP10 12 power supply 10mm Preferred power supply is the DIN rail mount TDK DSP10 12 NDkail350 DIN Rail a Rene mounting Isolated serial comms GTE CT26 cT3 See page 8 Setting NDRail350 For single amp three Baud Rate and CT range phase operation refer to NDRail350 operating manual refer next page Note Wire CT black to 11 and white to l1 etc Connect only CIs with the same range value Page 5 of 8 NDRail350 connections Vn i te 1 S2 L N BAA fF BE En f2 Vn V1 V2 V3 l4 l4 12 12 13 I3 3 Phase 3 or 4 wire Optional Neutral P1 P2 3 ee ae Ci ee L N BABL Jie Vn V1 V2 V3 M l1 I2 12 3 13 3 Phase 3 wire 2 x CTs L1 ho O BD hl Ea Vn V1 V2 V3 M Me 12 I2 13 13 Single Phase To Load To Load To Load Ensure fuses are wired in as shown A suitable Din rail mounting fuse holder is type CSFL4U for fuse 1A 5 x 20mm fuse not included and end plate type CSFLEPU Refer to Eltek Where applicable V1 4 V2 5 V3 6 can be linked to L 1 A fuse must be used see note above from L supply to L 1 Page 6 of 8 GD9O0A configuration using Darca software Refer to the Quick start guid
8. s Method of operation GD90A reads and stores the values from the NDkail350 meter every 10 seconds 18 sets of values are stored and each newest set of values replaces the oldest At each transmission the GD90A transmits the average of the 18 values for voltage Current or power factor A transmission is randomised within the set TX interval The default TX interval is preset to 5 minutes Battery charging recovery and endurance The PCB mounted 150mAh 6V NiMh battery is charged at approximately 4mA A fully discharged battery requires 36 hours charge to reach 80 capacity The TX is fully functional if the battery is discharged when external power is applied A charged battery can provide 24 hours standby should the AC supply fail Settings are not lost if the battery is fully discharged The battery is PCB mounted Should replacement be necessary the transmitter must be returned to Eltek or our approved distributor External power required is 12VDC regulated The preferred power supply is the type DSP10 12 this DIN rail mounting power supply is provided with screw down connections for ease of installation The max demand current from the external power supply is 50MA Indicators and concealed push switch The push switch is located behind a small access hole located at the rear of the transmitter To activate the switch a small screwdriver or unfurled paper clip can be used When initially powered the transmitter is displayed for 5 seconds
9. tcharnel Delete Channel Meter EateURenge V c Voltage 0 0 to 500 0V v Set Channel Delete Channel Meter Edit EU Range 7 D Curent 0 0 to 1000 04 v Set Channel Delete Channel Meter Edit EU Range 7 E Curent 0 010 1000 04 v Set Channel Delete Channel Meter EditEURange V F Curent O 0to 1000 04 y 10 z Set Channel Delete Channel Meter Edit EU Range 7 G Power Factor 1 00 to 1 00 z 11 Set Channel Delete Channel Meter a H Power Factor 1 00 to 1 00 12 Set Channel Delete Channel Meter _ Iv I Power Factor 1 00 to 1 00 13 gt Set Channel Delete Channel Meter _ lv J Pulse Count 0 to 65000 kwh ifi4 v Set Channel Delete Channel len cma K Pulse Count 0 to 85000 Kvarh Sie Set Channel Delete Channel Meter Edit EU Range 7 L Voltage 0 0 to 1 0Ext MI Daae irdeni We eT For Tx channels A to L select only the channel range from the drop down as shown above and click on Set Channel DO NOT ATTEMPT to use the Edit EU Range box Channels D E and F are fixed O 1000A ensure the range type setting on the NDRail350 matches the range of the connected CT See operating manual See link on Page 8 Channel L monitors connection of the external power supply 0 not connected and 1 12V connected Darca Plus can use these values to set an alarm should the AC supply fail Page 7 of 8 Setting NDRail350 Baud Rate and CT range NDkail35
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