USER MANUAL Manual

Installing Block I/O
Chapter 2
2-2
Mounting dimensions for the block I/O module are shown in Figure 2.1.
Mount the blocks horizontally with a minimum of 2” between blocks. This
air gap is necessary to maintain proper cooling air flow through the block.
Figure 2.1
Mounting
Dimensions for the Block I/O Module (Cat. No. 1791IOBW and
IOVW)
POWER
ACTIVE
COMM
FUSE
RACK
ADDR
CONFIGURATION SWITCHES
1791IOBW
64 POINT
24VDC DISTRIBUTED
I/O MODULE
87654321
CONFIGURATION
SWITCHES
6.15
(156.21)
4.8
(122.0)
0.67
(17.105)
6.54
(166.0)
7.0
(178.0)
6.2
(157.0)
Inches
(Millimeters)
10916I
Dimensions:
6.15W x 7.0H x 1.72D
(156.21W x 178.0H x 43.7D)
The operating temperature in the air gap between block I/O modules must
not exceed 60
o
C (140
o
F). The dimensions of the air gap required are
shown in Figure 2.2.
Installing the Block I/O