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Discontinued On Mar. 2017


I/O Link Unit


Ideal for Adding Advanced Functionality to Slaves or for Distributed Control

* Information in this page is a reference that you created on the basis of information in the product catalog before the end of production, may be different from the current situation, such as goods for / supported standards options / price / features of the product. Before using, please check the compatibility and safety system.

General Specifications

Communications power supply voltage 11 to 25 VDC
Current consumption Communications power supply: 45 mA max.
Internal circuit power supply: 250 mA max. at 5 VDC
Maximum I/O points 512 input points (32 words)
512 output points (32 words)
Default area Write area (linking with Master's write area): 1 word out of 350 IR words
Read area (linking with Master's read area): 1 word out of 50 IR words
No. of connectable Units 10 max. (CS1/C200HX/HG/HE CPU Unit handles up to 880 I/O points)
16 max. (CS1/C200HX/HG/HE CPU Unit handles more than 880 I/O points)
Weight 250 g max.

Function Specifications

Settings (Slave)

Function A write area block and a read area block can be freely allocated to any areas or addresses respectively
Allowable setting area Both read and write areas can be allocated to IR, DM, HR, AR, LR, T/C, and EM areas
First address A readable or writable area by word (with some restrictions)
Area size Set in 1-byte increments up to 64 bytes for both read and write areas
Configurator Refer to the DeviceNet Configurator Operation Manual (W328).
1. Write the set value to I/O setting area allocated to the Special I/O Area.
2. Turn ON the software switch allocated to the Special I/O Area and write the settings.
3. Turn the Programming Console OFF and ON or reset the AR area.

Message Communications

Function Supports messages that can be written to or read from the CS1/C200HX/HG/HE's user I/O areas (i.e., IR, DM, HR,
AR, LR, T/C, and EM areas)
Master OMRON's Master Unit or compatible unit from Rockwell
Max. message size Slave (C200HW-DRT21)
200 bytes per READ or WRITE command