5 checking input – Toshiba SX 2000 User Manual
Page 175
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Chapt.6 Troubleshooting
6.5 Checking input
If the program is running, but the input signal is not read normally, check the follow
ing points:
Check the input voltage at
ON/OFF when the LED is
abnormal.
When identical, the internal function
is normal. The input circuit of the
module may have a problem.
Check the installation of that input
module. The input module may have
Check the connection of the
expansion cable. The expansion
interface module may have a problem.
The CPU module is abnormal.
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Sequence Controller S2T