A-ISOMETERÂ® IRDH375 IRDH375B - Bender

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Commissioning flow chart (threepart)Commissioning of the A-ISOMETER® (3)In order to check the properconnection, a functional testusing a suitable resistance isto be carried out.Size of the resistance:50% of the preset responsevalue Alarm 2.Do both alarm LEDs light up?Did the alarm relays switch ?yesnoCheck the connecting leads !Is voltage Un applied to theterminals L1/L2 ?When a coupling device isused, is it correctly connected ?Check the voltages with a voltmeteDo both alarm LEDs light ?Did the alarm relays switch?Remove the resistor !yesAlarm LEDs extinguished ?Did the output relays changetheir position ?noyesThe <strong>IRDH375</strong> is correctlyconnected and functions reliably !24 TGH1352en/11.2004
4. Connection4.1 Wiring<strong>IRDH375</strong>(B) has plug-in terminals.Connect the terminals A1/+ and A2/- to the supply voltage U S in accordancewith IEC 60364-4-43. The connections to the supply voltage shall be providedwith protective devices to afford protection in the event of a short circuit(a 6 A fuse is recommended).Devices for protection against short-circuit in conformity withIEC 60364-4-43 for the IT system coupling L1/L2 can be omitted if the wiringis carried out in such a manner as to reduce the risk of a short-circuit to aminimum (a short-circuit-proof and earth-fault-proof wiring is recommended).Only one A-ISOMETER® may be connected to an external TEST or RESETbutton. The TEST and RESET button for collective testing of several insulationmonitoring devices must not be connected in parallel.External coupling devices connected via the terminal AK cannot be switchedoff via the internal coupling relays. If no coupling device is used, the terminalAK remains free.TGH1352en/11.200425
Page 1 and 2: Operating ManualInsulationR =010KWf
Page 3 and 4: Table of Contents1. Safety informat
Page 5 and 6: Table of Contents5.6.1 Bus address
Page 7 and 8: 1. Safety information1.1 Use for th
Page 9 and 10: Safety information1.2.4 Inspection,
Page 11 and 12: Safety information1.4 Directions fo
Page 13 and 14: 2. Function2.1 Common characteristi
Page 15 and 16: Functionmessage, provided that the
Page 17 and 18: Function2.5 Additional functions IR
Page 19 and 20: FunctionISOnet Function (COM SETUP)
Page 21 and 22: 3. Commissioning flow chart (threep
Page 23: Commissioning flow chart (threepart
Page 27 and 28: ConnectionLegend to wiring diagram:
Page 29 and 30: Connection4.2.2 Connection with AGH
Page 31 and 32: ConnectionIn case of current-contro
Page 33 and 34: 5. Operation and setting5.1 Operati
Page 35 and 36: Operation and setting5.1.3 Function
Page 37 and 38: Operation and settingTGH1352en/11.2
Page 39 and 40: Operation and setting5.2.1 Diagram
Page 43 and 44: Operation and settingDiagram ISO SE
Page 45 and 46: Operation and setting5.5 Menu ISO A
Page 51 and 52: Operation and setting5.8 Menu LANGU
Page 53 and 54: 6. Serial interfacesThe A-ISOMETERs
Page 55 and 56: Serial interfaces6.2 RS485 interfac
Page 57 and 58: Serial interfaces6.4 BMS protocol (
Page 59 and 60: Serial interfacesThe following tabl
Page 61 and 62: 7. Technical data IRDH375(B)7.1 Dat
Page 63 and 64: Technical data IRDH375(B)General da
Page 65 and 66: Technical data IRDH375(B)7.3 Charac
Page 67 and 68: Technical data IRDH375(B)Current ou
Page 69 and 70: Technical data IRDH375(B)Current ou
Page 71 and 72: Technical data IRDH375(B)Dimension
Page 73 and 74: Technical data IRDH375(B)7.4.3 Coup
Page 75 and 76:
INDEXAAGH... 28Alarm LED 1 33Alarm
Page 77 and 78:
INDEX77 TGH1352en/11.2004
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A-ISOMETERÂ® IRDH375 IRDH375B - Bender

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