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Mode SW

Question

Question

PLCs have a mode switch.
If there is a long period of power outage, will it start up in the previous operating mode?

Answer

Answer

RUN Mode / STOP Mode

It starts with the operation of the switch position.

TERM Mode

Operation differs depending on whether or not a battery is installed.
If a battery is installed, it will start up in the mode it was in when the power was turned off.
If a battery is not installed, the operation is undefined.

Current models

Model Setting method
D0-05 When no battery is installed, turning on bit 13 of R7633 will start the device in RUN mode.
D0-06
D2-263
SJ-11/12
D2-265 No setting required (stored in MRAM)
D4-454
AZ-C1 No settings required (product with battery installed)
JX-00 No Term Mode
JX-02

Abolished models

SA-20/21/22 No settings required (product with battery installed)
SR-20/21/22
SG-8/8B
D2-230/SZ-3 No Mode SW
Turning on bit 13 of R7633 will start the device in RUN mode.
D2-240/SZ-4
D2-250-1/SZ-4M
D2-260
When no battery is installed, turning on bit 13 of R7633 will start the device in RUN mode.
SU-5 No settings required (product with battery installed)
SU-5E
SU-6/6B
SU-5M
SU-6M/6H
SJ-00/02/30 When no battery is installed, turning on bit 13 of R7633 will start the device in RUN mode.
PZ1/2/3/3M

Inquiry

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