Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 806)

Section 15B
Replacement Procedures
15B-50
Figure 15B.14
Push-Button MTB Panel I/O Module Jumper Positions
PANEL
JPR3
3 2 1
CUSTOM A-B
MTB Panel Type Pins to cover with
the shorting post
Custom
Allen-Bradley
3 and 2
1 and 2
+12V DC
GND
OP11
(out)
OP12
(in)
CN51
CN52
JPR1
JPR2
To replace the digital I/O:
1. Disconnect the cable running from the external power source to the
digital I/O.
ATTENTION: To guard against electrical shock hazards, never
make connections or disconnections at the ac distribution
network unless the main ac disconnect switch is open (off) and
locked.
2. Disconnect the cables running from the external I/O devices to the
digital I/O.
3. Disconnect the fiber optic cables.
15B.33
Replacing Digital I/O