Chapter 8 Daily and Periodic Inspection
8 - 5
8.3.3 Starting of self-check mode
(1) Operation of PLC is stopped, turn off the PLC power, and EH-SIO is removed.
(2) Set the bit 7, 8 of Communication setting switch (DIP Sw1) to on.
(3) Plug in above 3 connectors to communication ports.
(4) Turn on the PLC power.
(5) Self-check will start. Please check LED status as shown Table 8.4, 8.5.
« Note »
In case of the product before software ver. 2.0, LED check mode will start. If a power supply is turned
on, all LED except "WDE" LED will light up, and will turn off. Then, some LED blink.
The module consists of precise electronic products. When you set up this switch, please don't touch
any parts around the communication setting switch.
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