Conform to general specifications for CJ/NJ-series
Ambient Operating Temperature
0 to 55 °C
Ambient Storage Temperature
-20 to 75 °C
Ambient Operating Humidity
10% to 90% without condensation
Internal Current Consumption
280 mA (at 5 V)
Dimensions
31 × 90 × 65 mm (W × H × D)
Weight
100 g
Mounting Position
CJ-series CPU Rack or CJ-series Expansion Rack *1, NJ-series CPU Rack or NJ-series Expansion Rack
Maximum Number of CT021 Units per Rack
Equal to the number of slots of the Rack *2
Maximum Number of CT021 Units per basic CJ/NJ system
24
Data Exchange with CPU Unit
I/O Refresh Data Area (CIO-bits 200000 to 255915, CIO-words 2000 to 2959): *3 Special I/O Unit DM-Area (D-words 20000 to 29599): 400 DM-words per Unit are transmitted form the CPU to the Unit at Power Up or when the Unit is restarted *4
