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CHAPTER 11 TROUBLESHOOTING
11
11.5 Alarm Code List
*1 This error code can be cleared by turning off, on, and then off Error clear request (YF).
*2 An error code is not stored in Latest error code (Un\G19) but in the completion status of the G(P). OGSTOR instruction
( + 1).
*3 For A/D converter modules whose serial number (first five digits) is 13041 or later, the scaling function can be used on
the channel where a user range setting is used; therefore, an error does not occur.
11.5 Alarm Code List
The following shows an alarm code list.
216
*1
CH Integrated flow amount clear request (Un\G1372 to
Un\G1375) is set to a value other than 0 and 1.
The channel where the error has occurred fits in .
Set No request (0) or Clear request (1) in CH
Integrated flow amount clear request (Un\G1372 to
Un\G1375).
Alarm code
(decimal)
Description and cause of alarm Action
10
A process alarm is occurring.
The channel where the process alarm has occurred fits in .
A value fits in indicates that the alarm status is as follows:
0: Upper limit of a process alarm
1: Lower limit of a process alarm
When the scaling value (digital operation value)
returns to the one within the setting range, the
corresponding bit of Warning output flag (Process
alarm) (Un\G50) and Warning output signal (X8)
turn off.
The alarm code can be cleared by turning off, on,
and off Error clear request (YF) after the scaling
value (digital operation value) returns to the one
within the setting range.
110
An input signal error is occurring.
The channel where the input signal error has occurred fits in .
This alarm code is stored when an input signal error is detected
according to the setting of the input signal error detection
function.
The corresponding bit of Input signal error
detection flag (Un\G49) and Input signal error
detection signal (XC) turn off by turning off, on,
and off Error clear request (YF) after the analog
input value returns to the one within the setting
range.
11
An input signal error is occurring.
The channel where the input signal error has occurred fits in .
A value fits in indicates that the detection status is as follows:
1: Upper limit detection
2: Lower limit detection
3: Disconnection detection
This alarm code is stored when an input signal error is detected
according to the setting of the input signal error detection
extension function.
Error code
(decimal)
Description and cause of error Action
S
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