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Description of Operation Section 3-2
Operations for hot starts, cold starts, and hot starts within specified time
Relationship with the
operation mode of the
CPU Unit
The Loop Controller continues running regardless of the operation mode of
the CPU Unit.
Power interruption
24 hours
Normal cold start
Parameters for control and
operation blocks and SPs
for control blocks not held.
Hot start
Hot start mode (System Common block ITEM018 = 1)
CS and CJ Series
Power interruption
24 hours
Cold start mode (System Common block ITEM018 = 2)
CJ Series
Set value (1 h or less)
Power interruption
CS Series
Hot start
CS and CJ Series
Cold start
Parameters for control and operation blocks and
SPs for control blocks not held.
Hot start within specified time mode (System Common block ITEM018 = 0)
Normal cold start
Parameters for control and
operation blocks and SPs
for control blocks not held.
Cold start for hot start within specified time mode
Parameters for control and operation blocks and
SPs for control blocks held.
Cold start for hot start within specified time mode
Parameters for control and operation blocks and
SPs for control blocks held.
Set value (1 h or less)
Power interruption
Hot start
24 hours
CPU Unit operation mode Running of Loop Controller
PROGRAM mode Running is continued.
RUN mode
MONITOR mode