sem servo motor help

I am starting to refit my series 1 bridgeport cnc, and have purchased 3 rutex drives to power the sem 30m4-24 servo motors.

However, having started to rip out the old controller, I have found that the servo motor has 5 wires coming from it not the 3 I expected

...can anyone shed any light on these exttra 2 wires, and if so do they need connecting to anything, or can they just be ignored

aaron


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