Peripherals Manual Transformers • 49
Wiring the 16AI, 8RO, 4AO, or 8DO
The 16AI, 8RO, 4AO, and 8DO all require the use of a
center tap. Figure 38 diagrams the wiring for three 16AIs,
8ROs, 4AOs, or 8DOs, or any combination of the four
board types.
Wiring the 8IO Board
The 8IO board can be wired for power in three different
ways:
1. By itself with one transformer for power
(Figure 39)
2. In combination with a or multiple 16AI, 8RO,
4AO, or 8DO boards (Figure 40)
Figure 36 - Wiring for 640-0043, Three Board, and 640-0045,
Six Board Transformer
Figure 37 - Wiring for 640-0048, Ten Board Transformer
26513001
208 VAC
110 VAC
1
1
2
2
4
4
5
5
FOR 208 VAC POWER SOURCE
FOR 110 VAC POWER SOURCE
10
10
8
8
6
6
AC1
AC1
0V
0V
AC2
AC2
PINOUT
1086
12
45
Figure 38-Wiring for Three 16AIs, 8ROs, 4AOs, or 8DOs or Any
Combination of