Mitsubishi Electric MELSEC-Q series User Manual page 82

(b) When writing fails
When writing the set value of each buffer memory area failed by turning on Set value backup request (Y6), the
error (error code: 114) occurs and the CT input module operates as follows.
• Set value backup completed flag (X6) turns on.
• Error flag (XF) turns on.
• The ERR. LED turns on.
When Set value backup request (Y6) is turned off, Set value backup completed flag (X6) also turns off.
Set value backup request (Y6)
Conversion enable/disable setting
Status of the non-volatile
Latest error code (Un\G19)
Set value backup completed
(4) Peak current detection signal (X7)
Peak current detection signal (X7) turns on when a peak current is detected.
A peak current is detected only when the peak current detection function is enabled.
For details on the peak current detection function, refer to the following.
• Peak Current Detection Function (
(a) Turning on Peak current detection signal (X7)
When digital output values exceed the set peak current detection value consecutively for the duration of the
peak current detection time set in advance, Peak current detection signal (X7) turns on. The ALM LED also
flashes.
(b) Turning off Peak current detection signal (X7)
Peak current detection signal (X7) turns off by turning on then off Error clear request (YF).
In addition, Latest error code (Un\G19) is cleared and the ALM LED turns off.
Peak current detection
flag (Un\G301)
Peak current detection
signal (X7)
Error clear request (YF)
80
OFF
(Enable)
(Un\G0)
Before writing
memory
OFF
flag (X6)
OFF
Error flag (XF)
0 (Normal)
OFF
OFF
Controlled by the CT input module
Controlled by the sequence program
ON
0
1 (Disable)
Writing
0
Page 44, Section 4.7)
Controlled by the CT input module
Controlled by the sequence program
1 (Peak current detected)
ON
ON
OFF
Writing failed
Error code: 114
ON
OFF
ON
0 (Normal)
OFF
OFF