Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 300)

Section 5B
9/440HR CNC/Drive System
5B-10
Figure 5B.4
Port B-J7 (has pin sockets) and Pin Assignments
Pin Assignment Pin Assignment
1 Chassis GND 9 Send Data B
2 Send Data A 10 Receive Data B
3 Receive Data A 11 Request to Send B
4 Request to Send A 12 Clear to Send B
5 Clear to Send A 13 Data Set RDY B
6 Data Set RDY A 14 Data Term RDY B
7 Signal GND 15 Not Used
8 Data Term RDY A
The high--resolution feedback board is used to receive feedback from the
devices on the 1326AB motors and from the external high--resolution
feedback devices. The full 9/440HR system can support up to eight
feedback devices.
High--resolution
Feedback Board
Front of
System Module
J4 J3 J2 J12 J11 J10 J9
Wiring Board Connector
J1
Motor--mounted
Feedback Ports
Optional Feedback Ports
9
8
1
Port B
15
5B.3
Connecting Feedback