Error Status Check - Mitsubishi Electric FX3G User Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U 3UC
FX -4DA (4-channel Analog Output)
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9.4

Error Status Check

When an error occurs in FX
Take measures, referring to the following table.
Bit No.
b0 Error detection
b1 O/G error
b2 Power supply error
b3 Hardware error
b4
b5 Error in setting of function for setting output upon PLC stop
b6 Upper/lower limit function setting error
Error in corrective function setting by load resistance
b7
(Valid only in voltage output mode)
b8 Table output function setting error
b9 Status automatic transfer setting error
b10 Over-scale
b11 Disconnection detection (Valid only in current output mode)
b12 Setting data change prohibited
b13 to b15
1. Error detection (b0)
1) Description of error
If any of b1 is turned on, this bit (b11) will turn on.
2. O/G error (b1)
1) Description of error
The bit is turned on when the offset or gain data (BFM#10 to #17) in the EEPROM has a setting error.
2) Remedy
Check the output mode (BFM#0) and the offset and gain data (BFM#10 to #17).
3. Power supply error (b2)
1) Description of error
24 V power is not correctly supplied.
2) Remedy
Check the wiring condition or the supply voltage.
4. Hardware error (b3)
1) Description of error
FX -4DA may be defective.
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2) Remedy
Please contact your local Mitsubishi Electric representative.
5. Error when setting the function for output upon PLC stop (b5)
1) Description of error
The bit will turn on when the functions setting value for setting output upon PLC stop is not correctly set.
2) Remedy
Check the output mode (BFM#0) and the setting value of output data upon PLC stop (BFM#32 to #35).
PLC User's Manual - Analog Control Edition
-4DA, the bit appropriate to the error is turned on in the error status (BFM#29).
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9 Troubleshooting
9.4 Error Status Check
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