Rockwell Automation 1771-ID16 SERIES B Install Instr ac/dc (120V)Isolated Input User Manual
Page 10
ac/dc (120V) Isolated Input Module
10
Publication 1771-IN070B-EN-P - August 2002
IMPORTANT
You can use an ac (120V) output module (cat.
no. 1771-OA, 1771-OD or 1771-OP) to directly
drive terminals on an ac/dc (120V) input module
(cat. no. 1771-ID16), but you must use a 2.5K,
10W resistor between the output terminal and
L2 (common) as shown in the following figure.
AC/DC (120V)
Isolated Input Module
(Cat. No. 1771-ID16)
L1
ac high
10559-I
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
AC (120V)
Isolated Output Module
(Cat. No. 1771-OD16)
120Vac
Supply
L2
ac low
AC/DC (120V)
Isolated Input Module
(Cat. No. 1771-ID16)
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
A
O
1
2
3
4
5
6
7
B
L2
ac low
L1
ac high
AC (120V) Output Module
(Cat. No. 1771-OA)
Actual wiring runs in this direction.
Resistor Typically
2.5K Ohms 10W
!
ATTENTION
Maintain isolation between phases to prevent
module damage.