A-ISOMETERÂ® IRDH375 IRDH375B - Bender

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Connection1234mA567 89RS485ONM+ M- T1 T2 R1 R2 F1 F2 A B 31 32 34 21 22 24 11 12 14OFFS2 S1IRDH375K3 K2 K1A1/+ A2/- L1 L2 AK KE106 A3 (N)AC-SystemUnL1L2L1L2L31115PE163 AC-SystemUnL1L2NL+L1L2L312AC-SystemUnL1L2L1L213L1L2DC - SystemUnL-1426 TGH1352en/11.2004
ConnectionLegend to wiring diagram:1 For external indicating instrument:IRDH375: current output, not galvanically separated: 0 ... 400 µAIRDH375B: current output, galvanically separated: 0...20 mA or 4...20 mA2 External TEST button (NO contact)3 External RESET button (NC contact or wire jumper),when the terminals are open, the fault message will not be stored4 STANDBY by means of the function input F1, F2:When the contact is closed, insulation measurement does not take place;system disconnection5 S1 = ON: RS485 interface (A/B) is terminated with 120 Ω resistorS2 = unassigned6 Serial interface RS485 (A/B)7 System fault relay K3; changeover contacts provided8 Alarm relay K2; changeover contacts provided9 Alarm relay K1; changeover contacts provided10 Supply voltage U s (see nameplate) via 6 A fuse11 Connection to the 3/N AC system to be monitored:connect terminals L1, L2 to neutral conductor N12 Connection to the 3 AC system to be monitored:connect terminals L1, L2 to conductor L1, L213 Connection to the AC system to be monitored:connect terminals L1, L2 to conductor L1, L214 Connection to the DC system to be monitored:connect terminal L1 to conductor L+, terminal L2 to conductor L-15 Connection for external coupling devices (Extension of the nominal voltagerange U n )16 Separate connection of and KE to PETGH1352en/11.200427
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 and 24: Commissioning flow chart (threepart
Page 25: 4. Connection4.1 WiringIRDH375(B) h
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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