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Specifications of Basic I/O Units Appendix A
Terminal Connections
• When wiring, pay careful attention to the polarity of the external power supply. The load may operate if the
polarity is reversed.
• Be sure to wire both terminals A9 and A19 (COM0).
• Be sure to wire both terminals B9 and B19 (COM1).
• Be sure to wire both terminals A10 and A20 (+V).
• Be sure to wire both terminals B10 and B20 (+V).
7
6
5
4
3
2
1
0
I/O word “m+1” I/O word “m”
12 to 24 V DC 12 to 24 V DC
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