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CJ1W-SRM21 Master Unit for CJ-series PLCs
Section 4-3
4-3
CJ1W-SRM21 Master Unit for CJ-series PLCs
4-3-1
Specifications and Part Names
Specifications
General Specifications
General specifications conform to those of the CJ-series PLCs.
Performance Specifications
Item
Specifications
Model
CJ1W-SRM21
Unit classification
Special I/O Unit
Internal current con-
sumption
5 V DC, 150 mA max.
Allowable current
from the Slave com-
munications power
supply connection
terminals
4 A (14 to 26.4 V DC)
Weight
66 g max. (including provided connector)
Max. number of
Masters
40 Units
Master Unit mount-
ing location
Can be connected in the CJ-series CPU Rack or Expansion
I/O Rack.
Max. number of I/O
points per Master
256 points (128 inputs/128
outputs)
128 points (64 inputs/64 out-
puts)
Number of points per
node number
8-point mode
Number of usable
node numbers per
Master
IN0 to IN15 and OUT0 to
OUT15 (up to 32 nodes can
be connected)
IN0 to IN7 and OUT0 to OUT7
(up to 16 nodes can be con-
nected)