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I/O Units Section 3-3
I/O Units
Note For details on Dedicated I/O Units, refer to the CQM1 Dedicated I/O Units
Operation Manual (W238).
3-3 I/O Units
There are two basic types of I/O Unit: Those with terminal blocks and those
with connectors.
The following diagram shows the basic components of I/O Units.
Unit Model number Weight
DC Input Units CQM1-ID111 180 g max.
CQM1-ID112 160 g max.
CQM1-ID211 180 g max.
CQM1-ID212
CQM1-ID213 160 g max.
AC Input Units CQM1-IA121 210 g max.
CQM1-IA221
Contact Output Units CQM1-OC221 200 g max.
CQM1-OC222 230 g max.
CQM1-OC224 270 g max.
Transistor Output Units CQM1-OD211 200 g max.
CQM1-OD212 180 g max.
CQM1-OD213 160 g max.
CQM1-OD214 210 g max.
CQM1-OD215 240 g max.
AC Output Units CQM1-OA221
CQM1-OA222
I/O Control Unit CQM1H-IC101 131 g max.
I/O Interface Unit CQM1H-II101 211 g max. (including the
end cover)
Indicators
Indicate the ON/OFF status of I/O
terminals. The RDY indicator
lights when power is turned ON.
Terminals
Other I/O Units with Terminal
Blocks (other than CQM1-OC224)
I/O Units with Connectors
CQM1-OC224 Output
Unit with Terminal Block
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