4 FUNCTIONS
4.9 Input Signal Error Detection Function
49
4
Clearing input signal errors
One of the following methods for clearing input signal errors can be selected by setting 'Input signal error detection auto-clear
enable/disable setting' (Un\G302).
■
When Input signal error detection auto-clear enable/disable setting is set to Enable (0)
After the analog input value returns within the setting range, the multiple input module arranges the following status
automatically. After the analog input value returns within the setting range, turning off
→
on
→
off 'Error clear request' (Un\G70,
b15) is not required.
• 'Input signal error detection flag' (Un\G40) is cleared.
• Input signal error detection signal (Un\G69, b12) turns off.
• The ALM LED turns off.
'Latest alarm code' (Un\G2) is not cleared.
After the analog input value returns within the setting range, turn off
→
on
→
off 'Error clear request' (Un\G70,
b15) to clear 'Latest alarm code' (Un\G2).
Summary of Contents for MELSEC iQ-F
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