User manual

890 USE 145 00
512/612 Modicon Micro PLCs
21
110CPU51202 Field Wiring (under 230 VAC power)
Fixed I/O Topology
I/O Type Number of I/O Points Number of Groups
230 VAC inputs 16 2 groups of 8
24 VDC user-selectable
counter/interrupt
1
1
Relay outputs 4
2 groups of 4
24 VDC dedicated
high-speed interrupts
Triac outputs 8
individually isolated
1 group of 2
Group A
230 VAC Inputs
L
12
L
11
L
10
L
9
L
6
L
5
L
8
L
7
L
2
L
1
L
4
L
3
Triac Group B Triac Group A
AC Hot
230V
Isolated Relay Outputs
.16 A Recommended
.16A Fuse
User-selectable
counter or
interupt
AC Hot
AC Neutral
In
9
In
10
In
16
.8A
Group A Hot
Relay Hot
Group B Hot
3A 3A 3A .8A .8A .8A .8A
Out
1
Out
2
Out
3
Out
4
Out
5
Out
6
Out
7
Out
8
Out
9A
Out
10A
Out
11A
Out
12A
Out
9B
Out
10B
Out
11B
Out
12B
In
2
In
3
In
4
In
5
In
1
In
6
In
7
In
8
In
11
In
12
In
13
In
14
In
15
Group B
230 VAC Inputs
230V
12345678910111213141516171819202122
1234567891011121314151617181920
Dedicated
Interrupt
Int
1
Cnt/
int
Group A common
Group B common
Modicon 110CPU51202
Relay Neutral
.8A
+24 V out
Group B common
Group A common
AC Neutral
Note: Fast-blow fuses are recommended for input and output protection
Group B Hot
+24 V ref
.8A .8A .8A