Chapter 2 Specifications
2 – 14
2.6 I/O
Controller
Module features
Type (Weight)
EH-IOCH2 (Approx. 0.14kg (0.31 lb.))
Dimensions
(mm (in.))
Rotary switch for
Unit No. (1 to 5)
Expansion cable connector
Lock button
Factory default: 1
45 (1.77)
95 (3.74)
100 (3.94)
Explanation of function I/O controller is mounted on CPU’s position of an expansion base and controls I/O modules mounted on
the same base according to user program in CPU module.
Be sure to set unit number with the rotary switch. Unit number must be ascending order from 1 to 5.
[Note]
- Do not set any other number than 1 to 5.
- Although EH-IOCH (predecessor) and EH-IOCH2 can be used together, do not use EH-IOCH in the 5th
expansion base. EH-IOCH2 must be used in 5th expansion base.
Rotary switch for
Unit No.
This is a rotary switch for setting the unit No.
Please set 1 to 5 from the unit closer to the CPU module in order.
Be sure to set without power applied.
If unit number is not set properly, it may result in malfunction.
Expansion cable
connector
This is a connector to connect an expansion cable.
Connect with the former base unit using the expansion cable.