Frequency Inverter DF51... - Moeller.com.tr

04/07 AWB8230-1541GB ContentsPID control 127– Configuring PID control 130– Activating and deactivating PID control (PID) 131– PID-system deviation (OD) 131– Examples for reference/feedback value input in PIDcontrol 132– Feedback value check signal (FBV) 134System settings 135– Stop key 135– Behaviour after STOP signal 135– Interrupting the deceleration ramp - 136– Pulse frequency (PNU b083) 137– Reduced response time (RDY) 138– Parameter access inhibit (SFT) 139– Parameter inhibit (PNU b031) 139– Initialization (default settings) 140– Debug mode (PNU C091) 1426 Serial interface (Modbus) 143General information about Modbus 143Technical features of the serial interface 144Setting the OPE/485 DIP switch 145Parameter settings for Modbus 146Displayed value (selection with PNU b089) 147The network protocol 148– Transmission 148– Function names and numbers 148Modbus register 157Holding register (word variable) 1597 Error messages 181Fault signals 181Fault signal register 182Fault signal (AL) 183Resetting fault signals (RST) 183Automatic restart after a fault 184Troubleshooting 1868 Maintenance and inspection 189General 189Device fans 190Service life of the internal DC link capacitors 1913