Special data registers for error information, General error codes – IDEC MicroSmart Pentra User Manual

Page 129

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ERVER

CPU M

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ANUAL

FC9Y-B1278

13-3

13: T

ROUBLESHOOTING

3.

On the right of the Error Status in the PLC Status dialog box, click the Clear button.

This procedure clears the error code from special data register D8005 (general error code), and the error is cleared from
the PLC Status dialog box.

Special Data Registers for Error Information

Two data registers are assigned to store information on errors.

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.

Error Cleared

Clear Button

D8005

General Error Code

D8006

User Program Execution Error Code

Power failure

Watchdog timer error

Data link connection error

User program ROM sum check error

Timer/counter preset value sum check error

User program RAM sum check error

Keep data sum check error

User program syntax error

User program writing error

CPU module error

Clock IC error

Reserved

Memory cartridge program transfer error

I/O bus initialize error

Reserved

Error clear bit

Error information bits

Bit 15 14 13

12

11

10

9

8

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2

1

0

D8005

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