Relation Between The Plc Action And The Device Type - Delta AS Series Operation Manual

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Device
E
Index register
*1: Use an instruction for writing to an FR.

5.1.3 Relation Between the PLC Action and the Device Type

PLC action
Power: OFF→ON
Restore to defaults
This clears the non-latched area
STOP
state.
↓
This retains the non-latched
RUN* 1
area state.
This clears the
device Y.
This retains the
RUN
device Y.
↓
This clears the
STOP* 1
device Y.
This retains the
device Y.
SM204 is ON.This clears all non-latched
SM205 is ON.This clears all latched
*1: For state setups, see HWCONFIG in ISPSoft. The PLC STOP->RUN default is "clear the non-latched area
state". The PLC RUN->STOP default is "clear the state of device Y".
*2: The timing for clearing the SM is when SM turns from OFF to ON. After PLC completes clearing, the
system turns SM from ON to OFF.
*3: When SM203 is ON, the system clears all non-latched area once when PLC is from RUN to STOP,
available for AS PLC CPU with FW V1.08.30 or later.
Access by
Function
bits
-
Device type
SM203 = OFF
SM203 = OFF
SM203 = ON*
SM203 = ON
areas.* 2
areas.* 2
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Modify by
Access by
ISPSoft /
words
DIADesigner
OK OK
Non-latched area
Other
Device Y
devices
Cleared Cleared
Cleared Cleared
Cleared Cleared
Retained Retained
Cleared Retained
Retained Retained
3
Cleared Cleared
Retained Cleared
Cleared Cleared
Retained Retained
Force the bit ON/OFF
-
Latched area
File Other
register devices
Retained Retained
Cleared Cleared
Retained Retained
Retained Retained
Retained Retained
Retained Retained
Retained Retained
Retained Retained
Retained Retained
Retained Cleared