8. Connections of I/O Interface
8.4 Connecting with Card-sized I/O Card
129
(3) External power supply specifications
The power supply (5VDC) for the card-sized I/O card must be supplied from an external source. Prepare a
power supply (stabilized power supply) that satisfies the following conditions per card.
Voltage Ripple/noise
Current
5VDC 5VDC±5%
50mVp-p
0.4A
Refer to "Appendix 8. Precautions for Compliance to UL/c-UL Standards", as well.
(4) Connector pin assignment
HR381 CF36
A
B
1
GND 1
GND
2 I/O
TXRX* 2 I/O
TXRX
3 I
SEL1 3 I
SEL2
4 I
SEL3 4
reserve
5
reserve
5
reserve
6
GND 6
GND
7
reserve
7
reserve
8
reserve
8
reserve
9
reserve
9
reserve
10 reserve
10 reserve
11 reserve
11 reserve
12 reserve
12 reserve
13 reserve
13 reserve
14 reserve
14 O
AO0
15 GND 15 GND
16 reserve
16 reserve
17 reserve
17 reserve
18 reserve
18 reserve
19 reserve
19 reserve
20 GND 20 reserve
21 GND 21 reserve
22 GND 22 reserve
23 GND 23 reserve
24 GND 24 GND
25 I 5VDC 25 I 5VDC
HR383 CF36
A
B
1 GND
1 GND
2 I/O
TXRX*
2 I/O TXRX
3 I SEL1
3 I SEL2
4 I SEL3
4 reserve
5 reserve 5 reserve
6 GND
6 GND
7 reserve 7 reserve
8 reserve 8 reserve
9 reserve 9 reserve
10
reserve 10 reserve
11
reserve 11 reserve
12
reserve 12 reserve
13
reserve 13 reserve
14
reserve 14
O AO0
15
GND
15 GND
16
reserve 16 reserve
17
reserve 17 reserve
18
reserve 18 reserve
19
reserve 19 reserve
20
GND
20 I AI3
21
GND
21 I AI2
22
GND
22 I AI1
23
GND
23 I AI0
24
GND
24 GND
25
I 5VDC
25 I 5VDC
The signal assignment No. changes according to the station No. to be used.
Refer to "PLC Interface Manual" for details.