System Setup
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9.18.6 Reset Safety Circuit Board FLASH Data
9.18.6.1 Saving dual data
The data related to the safety function is saved in the safety circuit board memory in a
duplicated manner for safety.
When the control power is turned ON, check is performed to see that dual data sets are the
same.
If they are different when the control power is turned ON, the following alarm occurs.
Alarm 0300: “VERIFY ERROR(SYSTEM CONFIG-DATA)[10]”
In the system with the functional safety function, a message “Select ‘Safety Board FLASH
Reset’ in the maintenance mode” is displayed after the following operations.
Turning ON or OFF causes error in verification.
• The data related to the safety function is loaded from an external storage.
• A parameter related to the safety function is rewrote by setting operations in
MAINTENANCE mode.
• The zeroing function is performed.
• Encoder is reset
In case one of the above mentioned operations is performed, re-set the data following the
procedures shown in chapter 9.18.6.2 "FLASH data reset".
In the MAINTENANCE mode, there are cases when parameters related to the safety
function are rewrote by several setting operations.
For this reason, the message “Select ‘Safety Board FLASH Reset’” may be displayed.
Perform the safety board FLASH reset operation by following the procedure shown in
chapter 9.18.6.2 "FLASH data reset".
9.18.6.2 FLASH data reset
If the following alarm occurs when the control power supply is turned ON, Alarm 0300:
“VERIFY ERROR(SYSTEM CONFIG-DATA)[10]” perform the following operations to reset
the data of the function safety board.
1. When the controller power is turned ON Alarm 0300: “VERIFY ERROR(SYSTEM
CONFIG-DATA)[10]” occurs and the MAINTENANCE mode is started up.
2. Select {SYSTEM} under the main menu. Then, press {SECURITY} to change the
SECURITY mode to the SAFETY mode.
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