4
FUNCTIONS
4.5 Self-Diagnostic Function
4 - 24
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
FUNCTIONS
5
ACCESS VIA NETWORK
MODULES
6
PREPARATORY
PROCEDURES AND
SETTING
7
I/O NUMBER
ASSIGNMENT
8
MEMORIES AND FILES
: Detectable : Not detectable
* 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)
Table 4.6 Self-diagnostic function list (continued)
Item Description
C Controller
module
status
LED status
Diagnostic timing
Error handling
RUN ERR. 1) 2) 3)
SRAM error detection
An error of the battery-backed-up
RAM (SRAM) is detected.
(The standard RAM ("/RAM") is
included.)
(The Q12DCCPU-V only)
Stop Off Flash
Any time
At power-on
*6
,
at reset
*6
Built-in ROM error
detection
*7
An error of the built-in ROM ("/
SYSTEMROM") is detected.
(The Q12DCCPU-V only)
Stop Off Flash
At power-on,
at reset
Other error detections
Stop/continue errors other than the
above are detected.
Continue On On
At power-on,
at reset,
periodic check
*8
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