Title: 32 Pumper modbuss teknisk data.pdf.pdf
Check the termination resistor settings, switches SW1 and SW2. See section 5.4 Termination resistor.Check the termination resistor settings, switches SW1 and SW2. See section 5.4 Termination resistor.14.1.2 CIM/CIU 200 Modbus communication faultsFaultPossible causeRemedy1. The slave does not responda) Configuration or wiring error.Check the visual diagnostics on the Modbusto telegrams.slave. Is the Grundfos GENIbus LED flashing green and the Modbus LED off or flashing green?Ensure that the cable between the Modbus master and the Modbus slave is connected correctly. See section 5. CIM 200 Modbus RTU setup for wiring recommendations.Ensure that the slave address is configured correctly, and that the correct slave address is used in the Modbus master poll. See section 5.3 Modbus address selection for slave address selection.