Special Data Registers For Error Information; General Error Codes - IDEC FT1A Series User Manual

Special Data Registers for Error Information

Two data registers are assigned to store information on errors.
D8005
D8006
Example: This ladder program clears the error information using the error clear bit of special data register D8005.

General Error Codes

The error code is stored in special data register D8005.
If '1' is stored in each bit of D8005, the corresponding error is occurring.
Bit 15
D8005
General Error Code
User Program Execution Error Code
Turn on M0 and turn on the upper bit of D8005.
The error information is cleared at the end of the ladder scan.
14 13 12 11 10 9 8
System error
Reserved
Reserved
Memory cartridge program transfer error
User program execution error
SD memory card access error
Error clear bit
S AXIS P
MART
7 6 5 4 3 2 1
Reserved
User program ROM sum check error
Timer/counter preset value sum check error
Reserved
Keep data sum check error
User program syntax error
User program writing error
/L U ' M FT9Y-B1378
RO ITE SER S ANUAL
14: T
0
Power failure
Watchdog timer error
Error information bits
ROUBLESHOOTING
14-3