3-10
EO18-33003A
3. INSTALLATION PROCEDURE FOR THE OPTIONAL EQUIPMENT
5) Secure the expansion I/O interface board to the CPU PC board with the enclosed two B-3x6
screws and the locking support as follows.
3.3 EXPANSION I/O INTERFACE BOARD (B-7704-IO-QM)
6) Connect CN1 on the expansion I/O interface board to CN7 on the CPU PC board with the
expansion I/O cable.
7) Reassemble the top cover, and side cover L in the reverse order of removal.
NOTES:
1. Be careful not to pinch the harnesses by the covers when installing the expansion
I/O interface board.
2. The optional expansion I/O interface board can be installed on the B-452-TS model
only.
Fig. 3-22
Fig. 3-23
CPU PC Board
Locking Support
Expansion I/O
Interface Board
B-3x6 Screw
CPU PC Board
CN7
Expansion I/O
Cable
Expansion I/O
Interface Board
CN1