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Self-Diagnostic and Troubleshooting
FP0
11
−
3
11.1 Self-Diagnostic Function
11.1 Self-Diagnostic Function
The FP0 control unit has a self-diagnostic function which identifies errors and stops
operation if necessary. When an error occurs, the status of the status indicator LEDs
on the FP0 control unit vary, as shown in the table.
Status
indicator
LEDs
Condition
LED status
Description
Program
execution
Condition
RUN
PROG.
ERROR/ALARM
Description
execution
status
No
al
ON
OFF
OFF
Normal operation in RUN
mode
Operation
Normal
condition
OFF
ON
OFF
Normal operation in PROG.
mode
Stop
Blink
OFF
OFF
Forcing ON/OFF in RUN mode Operation
ON
OFF
Blink
When a self-diagnostic error
Operation
Abnormal
OFF
ON
Blink
When a self-diagnostic error
occurs
Stop
Abnormal
condition
Varies
Varies
ON
When a system watchdog
timer error occurs
Stop
Normally, if an error occurs, operation of FP0 stops.
The user may select whether operation is to be continued or stopped if a duplicate
output error or operation error occurs, by setting the system registers. You can set the
system registers with TOOL software.
Summary of Contents for FP0 Series
Page 14: ...Table of Contents FP0 xii ...
Page 16: ...Overview FP0 1 2 ...
Page 82: ...S LINK Control Unit FP0 4 2 ...
Page 95: ...Chapter 5 I O Allocation 5 1 I O Number 5 3 5 2 Control Unit 5 4 5 3 Expansion I O Unit 5 5 ...
Page 96: ...I O Allocation FP0 5 2 ...
Page 100: ...I O Allocation FP0 5 6 5 3 Expansion I O Unit ...
Page 102: ...Installation FP0 6 2 ...
Page 112: ...Installation FP0 6 12 6 5 Installation Using FP0 Flat Type Mounting Plate ...
Page 114: ...Wiring FP0 7 2 ...
Page 198: ...High speed Counter Pulse Output PWM Output FP0 9 34 9 5 PWM Output Function ...
Page 200: ...General use Serial Communications FP0 10 2 ...
Page 210: ...Self Diagnostic and Troubleshooting FP0 11 2 ...
Page 220: ...Specifications FP0 12 2 ...
Page 234: ...Dimensions FP0 13 2 ...
Page 243: ...Chapter 14 Appendix ...
Page 380: ...14 138 14 7 ASCII Codes ...