User manual

512/612 Modicon Micro PLCs
20
890 USE 145 00
110CPU51201 Field Wiring (under 115 VAC power)
Fixed I/O Topology
I/O Type Number of I/O Points Number of Groups
115 VAC inputs 16 2 groups of 8
24 VDC user-selectable
counter/interrupt
1
24 VDC dedicated
high-speed interrupts
1
Relay outputs
Triac outputs 8
4
2 groups of 4
individually isolated
1 group of 2
Out
4
3A 3A 3A
L
6
L
7
L
2
L
1
L
4
L
3
120
122 23456789101112131415161718192021
2345678910111213141516171819
L
12
L
11
L
10
L
9
L
5
L
8
In
1
In
8
Triac Group B Triac Group A
AC Hot
115V
.16A Fuse
.16A Fuse
Int
1
A
C Hot
AC Neutral
In
9
3A .8A .8A .8A .8A .8A .8A .8A .8A
Relay
Hot
AC Neutral
Note Fast-blow fuses are recommended for input and output protection.
Fuses
Group A
115 VAC Inputs
Group B
115 VAC Inputs
Dedicated
interrupt
Isolated
Relay Outputs
In
2
In
3
In
4
In
5
In
6
In
7
In
10
In
11
In
12
In
13
In
14
In
15
In
16
User-selectable
counter or
interrupt
Out
1
Out
2
Out
3
Out
8
Out
5
Out
6
Out
7
Out
9A
Out
10A
Out
11A
Out
12A
Out
9B
Out
10B
Out
11B
Out
12B
Group A common
Group B common
Cnt/
Int
115V
+24 V ref*
* The 24 V power supply from pins 19 and 20 in the top block provide up to 150 mA at 24 V.
Modicon 110CPU51201
Group B common
Group A common
+24 V out
Group A hot
Group B hot
Relay Neutral