3G5A2-RPT01-PE datasheet(129/182 Pages) OMRON

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Appendix B

Specifications

116

Connection Example 1 (Keyboard)

The wiring diagram and table below show how the ID212 DC Input Unit can be wired using a specially wired key-

board. For example, if A on the keyboard is pressed, the combination of inputs on DATA 0 and STB 9 turn ON bit 00

of word n. Similarly, the combination of inputs on DATA 7 and STB 7 turn ON bit 15 of word n+3. The value of word n

depends on where the Unit is mounted.

24 VDC

DATA 0

DATA 1

DATA 2

DATA 3

DATA 4

DATA 5

DATA 6

DATA 7

COM (24 V)

STB 0

STB 1

STB 2

STB 3

STB 4

STB 5

STB 6

STB 7

COM (0 V)

24 VDC

Terminal Number

Word n

Word n + 1

Word n + 2

Word n + 3

Note Because the DC Input Unit is operated on an extremely small current, make sure there is adequate distance

between the DC Input Unit wires and high-tension equipment or power lines. If this cannot be avoided, use

shielded cables when wiring the DC Input Unit. Be sure to keep the total length of the wires less than 10 m.

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