20
Another factor to consider is the I/O wiring (see
2-6 I/O Wiring
). If the CPU
and/or Expansion I/O Units are mounted vertically, a minimum of 70 mm
open space is required for ease of I/O wiring. The spacing of the mounting
holes, for both vertical and horizontal mounting is as shown below.
Horizontal Mounting
A
±
0.2
A
±
0.2
G
A
±
0.2
D C
Four, M4
Four, M4
Two, M4
Expansion
I/O Unit
CPU
Analog
Timer Unit
B
B
F–10
A
±
0.2
Two, M4
B
F
F
C
±
0.2
D
C4K
230 250
5
E
H
110
±
0.2
120
Two, M4
I/O
Link
Unit
Vertical Mounting
D C
Four, M4
CPU
B
5
A +
0.2
Expansion
I/O Unit
D
230
120
Two, M4
110
±
0.2
230
I–10
I–10
C
±
0.2
I
I
I/O
Link
Unit
Dimensions and Installation
Section 2-3