Self-Diagnostic Function; Errors Announced By High-Speed Counter Unit; Confirming Error Code - Panasonic FP7 User Manual

10.1 Self-diagnostic Function

10.1.1 Errors Announced by High-speed Counter Unit

 Operation monitor LEDs of high-speed counter
• When an error occurs in the high-speed counter unit, the ERR LED of the unit lights.
• The contents of errors can be confirmed from the error flags and error codes allocated to
each channel.
• There are errors which occur at the time of start-up and errors which occur during operations.
 CPU operation when an error occurs in the high-speed counter unit
• If an error occurs in the high-speed counter unit, it will give the information to the CPU as
"Unit error".
• If a "Unit error" occurs, the CPU will stop the operation.
• In the programming tool, the error code (81) unit error is displayed.
 Operation mode of the CPU when a unit error occurs
• The operation mode of the CPU at the time a unit error occurs can be changed using the
configuration menu of programming tool FPWIN GR7.

10.1.2 Confirming Error Code

 Confirmation of error information
• Error codes are stored in unit memories (UM) for each channel.
• Error codes are read by the device monitor function of programming tool FPWIN GR7.
 Allocation of I/O signals and unit memories
Signal name
Overflow annunciation
Underflow annunciation
Error annunciation
Error code storage area
(Note 1): The above I/O numbers are those for the slot number 1 and the starting word number 10. The I/O numbers
actually used vary according to the slot number where the unit is installed and the starting word number.
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CH0 CH1
X10D X12D
X10E X12E
X10F X12F
UM00025 UM00026
CH2 CH3
X14D X16D
X14E X16E
X14F X16F
UM00027 UM00028