
Chapter 8 Trouble Shooting
8-1
Chapter 8 Trouble Shooting
Here it describes the contents of each error to be occurred while operating the system, the method to find the cause and the
action.
8.1 Basic Procedure of Trouble Shooting
It is important to use high reliable machine to increase the system reliability but it is important to take prompt action when trouble
occurs as well.
To start the system promptly, it is more important to find the trouble occurring cause promptly and take the necessary
action. The basic items to comply when taking this trouble shooting are as follows.
1) Check with the naked eye
Check the following items with the naked eye.
Machine action status (stop, action)
Power appliance status
I/O machine status
Wiring status (I/O cable, extended or communication cable)
Check the indication status of each indicator (RUN, ERR, P-RUN, STATUS LED
,
I/O LED etc.) and connect the peripheral
device and then check the PLC action status or the program contents.
2) Check the trouble
Examine how the trouble is changed by the following action.
Connect or disconnect. communication cable
3) Limit range
Estimate the cause of trouble using the above method.
Is it the cause from PLC itself? Or external cause?
Is it the cause from I/O part? Or other cause?
Is it the cause from PLC program?
Содержание XGL-PSEA
Страница 1: ...Programmable Logic Control Pnet Slave I F Module XGL PSRA XGL PSEA XGT Series ...
Страница 13: ...Table of Content 12 ...
Страница 25: ...Chapter 1 Overview 1 12 ...
Страница 31: ...Chapter 2 Product Specification 2 6 ...
Страница 41: ...Chapter 3 System Configuration 3 10 ...
Страница 61: ...Chapter 4 Communication Programming 4 20 ...
Страница 89: ...Chapter 5 Profibus DP Communication 5 28 High speed Link information monitor screen Variable registration ...
Страница 150: ...Appendix A 13 A 2 Dimension XGL PSEA XGL PSEA ...
Страница 151: ...Appendix A 14 ...
Страница 153: ...Warranty and Environment Policy 2 ...