Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 110)

15 1
44 31 .
Section 3A
Primary 9/230 Components
3A-27
The 9/230 CNC sends drive signals to the servo amplifier and receives
feedback through these connectors. Figure 3A.18 and Figure 3A.19 show
an end view of a digital servo connector and lists its pin assignments for
the 8520 and 1394 digital 9/230 CNC’s respectively.
Figure 3A.18
Pinout for the Servo Connectors on the 9/230 8520 Digital
Pin Signal Description Connect Pin Signal Description Connect
1 Shield Chassis Ground Not Used 23 EXT_BAT Battery +/-- for absolute
encoder
Feedback Device
2 CHU_HI Channel U Sense_HI Feedback Device 24 +5V_ENC +5V Encoder Power Supply
3 CHV_HI Channel V Sense_HI 25
4 CHW_HI Channel W Sense_HI 26
5 /PWM_A_LO Current Cmd for Phase A_LO Servo Amplifier 27
6 /PWM_B_LO Current Cmd for Phase B_LO 28 GND Encoder Return Feedback Device
7 /PWM_C_LO Current Cmd for Phase C_LO 29
8 STATUS Amplifier Status_HI 30 Shield Chassis Ground Not Used
9 CHZ_LO Feedback device Channel Z Feedback Device 31
10 CHB_HI Feedback device Channel B 32 CHU_LO Channel U Sense_LO Feedback Device
11 CHA_HI Feedback device Channel A 33 CHV_LO Channel V Sense_LO
12 I
FDBK Phase B
(lb)
Current sensing from
feedback Phase _B
34 CHW_LO Channel W Sense_LO
13 ENABLE Motor Amplifier Enable_HI Servo Amplifier 35 PWM_A_HI Current Cmd for Phase A_HI Servo Amplifier
14 I
FDBK Phase A
(la)
Current sensing from
feedback Phase _A
Feedback Device 36 PWM_B_HI Current Cmd for Phase B_HI
15 GND Encoder Return 37 PWM_C_HI Current Cmd for Phase C_HI
16 38 /STATUS Amplifier Status_LO
17 +15V_ENC +15V Encoder Power Supply 39 CHZ_HI Feedback device Channel Z Feedback Device
18 40 CHB_LO Feedback device Channel B
19 GND Encoder Return 41 CHA_LO Feedback device Channel A
20 +5V_ENC +5V Encoder Power Supply 42 /I
FDBK Phase B
(/lb)
Current sensing from
feedback Phase _B
21 43 /ENABLE Motor Amplifier Enable_LO Servo Amplifier
22 44 /I
FDBK Phase A
(/la)
Current sensing from
feedback Phase _A
Feedback Device
3A.7.3
9/230 Digital Connectors
and Pin Assignments