11-5
11.2.2 If ERROR LED is ON
Condition: The system watchdog timer has been activated and the operation of PLC has been
activated.
Procedure 1
Set the mode selector of PLC from RUN to PROG. mode and turn the power off and then on.
•
If the ERROR/ALARM LED is turned on again, there is probably an abnormality in the FP0R control
unit. Please contact your dealer.
•
If the ERROR/ALARm LED is flashed, go to chapter 11.2.1.
Procedure 2
Set the mode selector from PROG. to RUN mode.
•
If the ERROR/ALARM LED is turned on, the program execution time is too long. Check the program.
Check
(1) Check if instructions such as “JMP” or “LOOP” are programmed in such a way that a scan never finish.
(2) Check if interrupt instructions are executed in succession.
11.2.3 ALL LEDs are OFF
Procedure 1
Check wiring of power supply.
Procedure 2
Check if the power supplied to the FP-X control unit is in the range of the rating.
•
Be sure to check the fluctuation of the voltage.
Procedure 3
Disconnect the power supply wiring to the other devices if the power supplied to the FP-X control unit is
shared with them.
•
If the LED on the control unit turn on at this moment, increase the capacity of the power supply or
prepare another power supply for other devices.
•
Please contact your dealer for further questions.
Summary of Contents for FP0R Series
Page 1: ......
Page 6: ...iv ...
Page 14: ...xii ...
Page 15: ...Chapter 1 Functions and Restrictions of the Unit ...
Page 24: ...1 10 ...
Page 25: ...Chapter 2 Specifications and Functions of Control Unit ...
Page 38: ...2 14 ...
Page 39: ...Chapter 3 Expansion ...
Page 45: ...3 7 3 4 Terminal layout diagram Model No Terminal layout diagrams E8RS E8RM E16RS E16RM E8YRS ...
Page 48: ...3 10 ...
Page 49: ...Chapter 4 I O Allocation ...
Page 53: ...Chapter 5 Installation and Wiring ...
Page 73: ...Chapter 6 Preparation of USB Port ...
Page 77: ...6 5 5 Click Finish on the following screen to be displayed ...
Page 79: ...6 7 4 Double click on FP0R 5 Click Update Driver ...
Page 84: ...6 12 ...
Page 85: ...Chapter 7 Communication ...
Page 139: ...7 55 Sample program For Type II Use a program as below to directly specify a MODBUS address ...
Page 141: ...Chapter 8 High speed Counter Pulse Output and PWM Output Functions ...
Page 142: ...8 2 ...
Page 199: ...Chapter 9 Security Functions ...
Page 211: ...Chapter 10 Other Functions ...
Page 217: ...Chapter 11 Self Diagnostic and Troubleshooting ...
Page 227: ...Chapter 12 Precautions During Programming ...
Page 242: ...12 16 ...
Page 243: ...Chapter 13 Specifications ...
Page 254: ...13 12 ...
Page 255: ...Chapter 14 Dimensions and Others ...
Page 262: ...14 8 ...
Page 263: ...Chapter 15 Appendix ...
Page 344: ...15 82 15 7 ASCII Codes ...
Page 346: ......
Page 347: ......
Page 348: ......