Electrical installation 103Connecting a 230/115 V AC auxiliary voltage supply (UPS, option +G307)Wire the external control voltage to terminal block X307 at the back side of the mountingplate as shown below.Connecting emergency stop push buttons (options +Q951, +Q952, +Q963, +Q964,+Q978, +Q979)Connect external emergency stop push buttons according to the circuit diagrams deliveredwith the drive.Wiring the starter for auxiliary motor fan (options +M602…+M610)Connect the power supply wires for the auxiliary motor fan to terminal blocks X601…X605according to the circuit diagrams delivered with the drive.12PE45NLX307PE11 Internal wiring of UPS supervision: circuit breaker or fuse off/fault = contact open.