Mitsubishi Electric Q12DCCPU-V User Manual page 123

4
FUNCTIONS
Item
An error of the battery-backed-up
RAM (SRAM) is detected.
SRAM error detection (The standard RAM ("/RAM") is
included.)
(The Q12DCCPU-V only)
An error of the built-in ROM ("/
Built-in ROM error
SYSTEMROM") is detected.
*7
detection
(The Q12DCCPU-V only)
Stop/continue errors other than the
Other error detections
above are detected.
Remark
Table 4.6 Self-diagnostic function list (continued)
C Controller
Description module
status
Stop
Stop
Continue
* 6 The 7-segment LED flashes, indicating "01" or "02".
If this error has occurred, the C Controller module will not start.
* 7 The 7-segment LED flashes, indicating "00."
If this error has occurred, the C Controller module will not start.
* 8 Output is stopped only when a stop error occurs.
For a continuation error, output is not stopped.
For the C Controller setting utility, refer to the following.
C Controller Module User's Manual (Utility Operation, Programming)
LED status
Diagnostic timing
RUN ERR.
Any time
*6
Off Flash At power-on ,
*6
at reset
At power-on,
Off Flash
at reset
At power-on,
On On at reset,
periodic check
: Detectable
4.5 Self-Diagnostic Function
1
Error handling
1) 2) 3)
2
*8
3
: Not detectable
4
5
6
7
8
4
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