Hitachi HIDIC EH-150 Applications Manual page 58
Devicenet master module(eh-rmd)/ slave controller(eh-iocd)/ discrete i/o slave unit (rdx16d,rdy16tp,rdy16r)
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Also See for HIDIC EH-150:
- Applications manual (114 pages) ,
- Instruction manual (29 pages) ,
- Applications manual (97 pages)
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(2) I/O status display
Unit
Description
LED stays lit.
LED does not turn on.
Input
LED stays lit although there is no input signal.
LED does not turn on although there is an input
signal.
LED stays lit.
LED does not turn on.
The load is functioning although the output is not
Output
specified.
The load is not functioning although the output is
specified.
Chapter 7 Discrete I/O Slave Unit Specifications
Table 7.7 I/O LED status
Action
Check whether or not the external device
is continually on.
Check whether the terminal block has
come loose, or check whether the external
devices are functioning.
Replace the unit.
Replace the unit.
Check whether the terminal block has
come loose, or check whether the external
load is functioning.
7-6
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