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(2) Cable for connection between external I/O unit and terminal block
conversion unit.
Fabricate the connection cable in accordance with the following wiring
diagram, parts diagram and assembly drawing: (Maximum cable length:
10m (32.79feet)).
(a) Connection diagram
External I/O
unit side
Pin
number
B4
A4
B3
A3
B2
A2
B1
A1
B8
A8
B7
A7
B6
A6
B5
A5
A9
B9
A10
B10
A11
B11
A12
B12
A13
B13
A14
B14
A15
B15
A16
B16
A17
DC12/24V
B17
DC12/24V
A18
DC12/24V
B18
A19
B19
A20
B20
Signal
name
XD0
XD1
XD2
XD3
XD4
XD5
XD6
XD7
XSCN0
XSCN1
XSCN2
XSCN3
XSCN4
XSCN5
XSCN6
XSCN7
YD0
YD1
YD2
YD3
YD4
YD5
YD6
YD7
YD8
YD9
YD10
YD11
YD12
YD13
YD14
YD15
0V
0V
None
None
FG
Shield
11
Original operator
panel side
Signal
Pin
name
number
20B
XD0
20A
XD1
19B
XD2
19A
XD3
18B
XD4
18A
XD5
17B
XD6
17A
XD7
16B
XSCN0
16A
XSCN1
15B
XSCN2
15A
XSCN3
14B
XSCN4
14A
XSCN5
13B
XSCN6
13A
XSCN7
12B
YD0
12A
YD1
11B
YD2
11A
YD3
10B
YD4
YD5
10A
9B
YD6
9A
YD7
8B
YD8
8A
YD9
7B
YD10
7A
YD11
6B
YD12
6A
YD13
5B
YD14
5A
YD15
4B
24V
4A
24V
3B
24V
0V
3A
2B
0V
2A
None
1B
None
1A
None
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