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CPM2B Test Run Procedure
Section 8-2
8-2
CPM2B Test Run Procedure
1,2,3...
1.
Power Supply Application
a) Check the CPM2B’s power supply voltage and terminal connections.
b) Check the I/O devices’ power supply voltage and terminal connec-
tions.
c)
Turn on the power supply and check that the “PWR” indicator lights.
d) Use a Programming Device to set the CPM2B to PROGRAM mode.
2.
I/O Wiring Checks
a) With the CPM2B in PROGRAM mode, check the output wiring by turn-
ing on the output bits with the force set and force reset operations.
b) Check the input wiring with the CPM2B’s input indicators or a Program-
ming Device’s monitor operations.
3.
Test Run
a) Use a Programming Device to set the CPM2B to RUN or MONITOR
mode and check that the “RUN” indicator lights.
b) Check the sequence of operation with the force set/reset operations,
etc.
4.
Debugging
Correct any programming errors that are detected.
5.
Saving the Program
a) Use a Programming Device to write the program to a backup floppy
disk.
b) Print out a hard copy of the program with a printer.
Note Refer to SECTION 7 Using Programming Devices for details on the Support
Software and Programming Console operations.
8-3
Self-diagnostic Functions
The CPM2B is equipped with a variety of self-diagnostic functions to help
identify and correct errors and reduce down time.
8-3-1
Identifying Errors
An error can be identified by the error message displayed on a Programming
Device, error flags in the AR and SR Areas, and the error code output to
SR 253.
Fatal and Non-fatal Errors
PLC errors are divided into 2 categories based on the severity of the errors.
The status of the ERR indicator (lit or flashing) shows which type of error has
occurred.
ERR Lit (Fatal Error)
Fatal errors are serious errors which stop CPM2B operation. There are two
ways to restart operation:
• Turn the PLC OFF and then ON again.
• Use a Programming Device to switch the PLC to PROGRAM mode, and
read/clear the error.
ERR Flashing (Non-fatal Error)
Non-fatal errors are less serious errors which don’t stop CPM2B operation.
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Содержание SYSMAC CPM2B
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