OPERATION MANUAL CompoBus/S

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- 5 V DC, 150 mA max.
sumption
Allowable current 4 A (14 to 26.4 V DC)
from the Slave communications
power
supply connection
terminals
104
Weight 66 g max. (including provided connector)
Max. number of
Masters
40 Units
Master Unit mounting
location
Max. number of I/O
points per Master
Number of points per
node number
Number of usable
node numbers per
Master
Can be connected in the CJ-series CPU Rack or Expansion
I/O Rack.
256 points (128 inputs/128
outputs)
8-point mode
IN0 to IN15 and OUT0 to
OUT15 (up to 32 nodes can
be connected)
128 points (64 inputs/64 outputs)
IN0 to IN7 and OUT0 to OUT7
(up to 16 nodes can be connected)