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