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Mitsubishi Electronics MELSEC-F Manuel D’Utilisation

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6 Troubleshooting
6.5 Program Check
FX
3G
/FX
3U
/FX
3UC
 PLC User's Manual - Analog Control Edition
FX
3G
-1DA-BD (1-channel analog Output)
6.5
Program Check
Check the following items for the program:
1. Device for setting specified digital value
Check that different values are not written to this device using other programs.
6.6
Error Status Check
If an error occurs in the 1DA-BD, the corresponding bit will turn on.
To solve the problem, refer to the troubleshooting method described below:
1. Output data setting error (b0)
1) Description of error
The specified digital value is outside the specified range.
Analog data will not be correctly output.
2) Remedy
Check that the specified digital value is within the specified range.
2. EEPROM error (b4)
1) Description of error
The adjustment data set in the EEPROM before delivery from our factory cannot be read out properly or
is destroyed.
2) Remedy
Please contact the nearest Mitsubishi Electric distributor office.
Bit
Description
b0
Output data setting error
b1 to b3
Unused
b4
EEPROM error
b5 to b15
Unused