4-2 Function Mode Emergency Shutoff Input Function „ Emergency Shutoff Mode Selection To select Emergency Shutoff mode in the 3G3JX, turn on switch S8 on the right side behind the front cover. Switch S8 (right side) 4 Functions [Notes] Use caution when turning on/off the DIP switch S8 on the control PCB. That will change the function allocation on the control terminal block automatically. Note 1: This function does not insulate the motor electrically. Use a breaker such as a contactor in the motor wire if necessary. Note 2: This function does not prevent erroneous operation of drive process control and the application function. Note 3:
The digital outputs (relay and open collector outputs) of the Inverter are not regarded as the safety signals mentioned here. When you set a safety control circuit as described here, use the output signal of an externally set safety relay. „ Wiring Example Wiring Example R(+) T(-) A1 A2 R/L1 R S S/L2 U/T1 V/T2 W/T3 S13 T T/L3 M Emergency shutoff S22 S12 S11 13 14 23 24 P24 Run/Stop S14 PSC SC S8 = ON S22 S12 S1 S2 S3 S4 S5 Safety switching device EMR RS Inverter S13: The emergency stop button lets the Inverter go into "Emergency Shutoff" status (or free-run status). S14: Run/Stop button •The emergency shutoff circuit is monitored with an externally set safety relay.
•One safety relay can be used for multiple Inverters. 4-45