Parker Hannifin
Gemini Stepper Drives
The following pinout is for the Gemini Stepper drive’s 50-pin Drive I/O
connector.
Part number ......................................................... 71-022316-xx
Note: A box surrounding pins indicates a requirement for twisted-pair
wiring.
ACR9000 and ACR9030 Controller Stepper
Signal Pin
Wire
Color
Pin
DC RETURN 2 Pink 7
Encoder CHA+ 3 Black 14
Encoder CHA−
4 Red 15
Encoder CHB+ 5 Green 16
Encoder CHB−
6 White 17
Encoder CHZ+ 7 Yellow 18
Encoder CHZ−
8 Orange 19
Drive Step+ 10 Violet 8
Drive Step−
11 Blue 9
Drive Direction+ 12 Gray 10
Drive Direction−
13 Brown 11
Drive Fault−
17 Blu-Wht 43
Drive Enable−
20 Wht-Blu 2
Drive Enable+ 21 Yellow 1
Drive Reset−
22 Blue 6
Drive Reset+ 23 Red 3
Note: In the controller connector, pins 16 & 18 are jumpered. In the Gemini
Stepper connector, pins 4 & 26 are jumpered.
Table 44 Connection to Gemini Stepper Pinout
Chapter 3 Installation 81
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