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APPENDICES
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(4) If the fuse of the high-speed counter module is blown, it can be confirmed by
monitoring the link special registers for other station fuse blown status in the
master station.
SW0088 to SW008B: Fuse blown status (0: normal, 1: fuse blown)
If the "fuse blown" bit is set, check the following once.
Cause
External power supply is not wired
Fuse is blown
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Wire an external power supply to the high-speed
counter module.
When using the external output (EQU1 to EQU2)
terminals, wire an 10.2VDC to 30VDC external
power supply as it is needed.
Even when not using external output terminals
(EQU1 to EQU2), wire the 12/24V terminal (pin
number: 26) and the COM terminal (pin number:
27) to an external power supply. (Refer to Section
4.6.5)
The coincidence output function signal is not
output.
(Fuse for external power supply which operates
the internal photocoupler when the EQU terminals
are used)
The fuse cannot be changed by the user. Please
consult your local Mitsubishi representative.
Appendix - 2
MELSEC-A
Corrective Action
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