nilan MULTILINK Installation Instructions Manual
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Example: Gateway and two ventilation unitsThe example below shows an installation with two units in the same building. It shows the gatewayinstalled in a mounting box.D1+D1+D1-D1-GNDGNDD1+D1-GNDD0+D0+D0-D0-GNDGNDD0+D0-GNDData+Data-InternetLL NN PEPEL N PE2*ModbusPE +skærmL NDC + (1)DC – (3)CN7Data1+ (A1)Data2+ (A2)GND12Vdc+Data1- (/B1)Data2- (/B2)561234561234561234Anlæg 2StyringData+Data-CN7Data1+ (A1)Data2+ (A2)GND12Vdc+Data1- (/B1)Data2- (/B2)561234561234561234Anlæg 1StyringData+Data-PWRD+ (2)D- (1)GND (5)GATEWAYPSU 12VSkærm120 Ohmterminering120 Ohmterminering230VACCAUTIONFor this solution all ventilation units and the gateway must have joint ground potential.If they do not have joint ground potential, an insulated repeater must be installed between each unit.Ground enamelled wires at the gateway.Example: Gateway and two ventilation units in separate buildingsThe example below shows an installation with two units in separate buildings. It shows the gatewayinstalled in a mounting box.D1+D1+D1-D1-GNDGNDD1+D1-GNDD0+D0+D0-D0-GNDGNDD0+D0-GNDData+Data-Internet230VACLL NN PEPEL N PE2*ModbusPE +skærmL NDC + (1)DC – (3)CN7Data1+ (A1)Data2+ (A2)GND12Vdc+Data1- (/B1)Data2- (/B2)561234561234561234Anlæg 2StyringData+Data-CN7Data1+ (A1)Data2+ (A2)GND12Vdc+Data1- (/B1)Data2- (/B2)561234561234561234Anlæg 1StyringData+Data-PWRD+ (2)D- (1)GND (5)GATEWAYPSU – 12V120 OhmtermineringData+Data-RepeaterData+Data-Data+Data-RepeaterData+Data-Data+Data-Repeater12Vdc+GND12Vdc+GNDData+Data-12Vdc+GNDGND12Vdc+120 Ohmterminerin gIn the example above there is an insulated repeater between each unit. The reason for this is that theyhave different ground potentials. You thereby avoid that a potential short circuit of a unit istransmitted to the rest of the system.Ground enamelled wires at the gateway.8 |
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