Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set User Manual
Page 638
Circuit
breaker
TB3
TB1
TB4
CNA1
TB2
11284-I
Section 13A
Connecting 8520 Digital Drive Systems
13A-4
Figure 13A.2 shows the 1AX-D (1 axis) 8520 digital servo amplifier
connectors and terminal blocks.
Figure 13A.2
1AX-D Servo Amplifier Connectors and Terminal Blocks and Pin
Assignments
Connector on
1AX-D Amplifier
Connected To
Mating Connector
CNA1
3-axis Digital Servo Module
CN2/CN3/CN4
CNA1
4-axis Digital Servo Module
J1/J2,/J3 /J4
TB1
Power Source and Motor
TB2
External Shunt Resistor
TB3
System Ready on E-STOP
String
TB4
Thermal Switch on Motor
Figure 13A.3
8520 Digital Servo Amplifier Connector CNA1, Honda MR-25RMA and
1AX-D Servo Amplifier Connector CNA1 Pin Assignments
Pin No.
Connection Pin No.
Connection
1
ENABLE
14
PWM_C
2
/ENABLE
15
/PWM_C
3
Shield
16
N.C.
4
Shield
17
Ia
5
Shield
18
/Ia
6
STATUS
19
Shield
7
/STATUS
20
Shield
8
N.C.
21
Shield
9
N.C.
22
Ib
10
PWM_A
23
/Ib
11
/PWM_A
24
N.C.
12
PWM_B
25
N.C.
13
/PWM_B
13A.2.1
1AX-D Servo Amplifier
Connectors and Pin
Assignments