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8
TROUBLESHOOTING
8.5 When the Counter Value Coincidence No.1 (X02) or Counter Value Coincidence No.2 (X05) are Turned
ON, but the Coincidence Output No.1 Terminal (EQU1) and Coincidence Output No.2 Terminal (EQU2) do
8 - 6
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
PROCEDURES AND
SETTINGS BEFORE
OPERATION
5
FUNCTIONS
6
UTILITY PACKAGE (GX
Configurator-CT)
7
PROGRAMMING
8
TROUBLESHOOTING
8.5 When the Counter Value Coincidence No.1 (X02) or Counter
Value Coincidence No.2 (X05) are Turned ON, but the
Coincidence Output No.1 Terminal (EQU1) and Coincidence
Output No.2 Terminal (EQU2) do not Turn ON
8.6 When the Coincidence Detection Interrupt does not Occur
Table 8.11 When the counter value coincidence No.1 (X02) or counter value coincidence No.2 (X05) are turned ON but the
coincidence output No.1 terminal (EQU1) and coincidence output No.2 terminal (EQU2) do not turn ON
Check item Action Reference
Is the coincidence output enable command (Y03)
turned ON?
(Only for the coincidence output function)
Turn ON the coincidence output enable command
(Y03).
Section 3.3
CHAPTER 7
Is a voltage applied to the external coincidence
output power supply terminal.
Apply a voltage to the external coincidence output
power supply terminal.
Section 3.5
Section 4.4
Is the fuse blown?
If the FUSE LED is ON, the fuse is blown.
Please consult your local Mitsubishi
representative, explaining a detailed description of
the problem.
Is the external wiring of the coincidence output
No.1 terminal (EQU1) and coincidence output
No.2 terminal (EQU2) correct?
Check the external wiring and correct the error.
Table 8.12 When the coincidence detection interrupt does not occur
Check item Action Reference
Does the CPU module support the coincidence
detection interrupt function?
Change the CPU module to the one which
supports the intelligent function module event
interrupt.
Section 2.1 (1)
If the setting made on [Interrupt pointer setting] of
[Intelligent function module setting ] in [PLC
parameter] correct?
Check the intelligent function module interrupt
pointer setting.
Section 5.3
Is the way to use the program execution control
instruction, such as IMASK, correct?
Check the sequence program.
Section 5.3
CHAPTER 7
Is the counter value coincidence (X02 and X05)
still ON?
(Only for the coincidence output function)
Reset (OFF) the counter value coincidence No.m
(X02 and X05) by the coincidence signal No.m
reset command (Y01 and Y02) for the
corresponding number.
Section 3.3.2