I’m adding a few relays when they get here. I’ll also have a chance to run the thermistor wire to the drive when I run the encoder wire and replace the motor main leads with modern VFD cable. I think I’m going to give closed loop sensor vector a try and see what that’s like. The spindle motor has an encoder and Hitachi has an encoder interface option for the P1 drive. This is how the original drive was mounted when it was new. Drive comes with bracket for wall or through wall mounting which places the heat sink and fans outside the enclosure. I bought the P1-00800-LFUF 15kW model rated for 31a output continuous when powered from single phase. And, they are rated for single phase supply to very high HP levels. Received the Hitachi SJ-P1 drive for the spindle.
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