Reference: Operations At Power On - Omron SYSMAC CS Series Operation Manual

Description of Operation
Power interruption
starts
Power interruption time where operation definitely
continues: Less than (10+T) ms
Power interruption time where operation may or may
not continue: Between (10+T) ms and (25+T) ms
Power interruption time
10+ power interruption detection extension
time of less than 10 ms
* For AC power supplies
3-2-2

Reference: Operations at Power ON

Conditions
RAM Flash
memory
Normal Normal
Error Normal
(Including
data loss due
to discharged
backup
capacitor)
10 ms
Power interruption detec-
tion extension time T ms
Power interruption time where operation definitely stops: (25+T) ms or more
Power interruption detec-
tion extension time
E.g., 10 ms
Power interruption time
between (10+ power interruption detection extension time 10) ms
and (25 + power interruption detection extension time 10) ms
Power interruption
35 ms or more (25 + power interruption detection extension time 10 ms or more)
A42410 A42411 System
Common
(RAM (Inner
Block
Error Board
ITEM018
Flag) Fatal
(START
Error
mode at
Flag)
Power ON)
OFF OFF 1
(Hot start
setting)
2
(Cold start
setting)
ON OFF 1 or 2 (Set-
ting is irrele-
vant.)
(10 + T) ms 25 ms
Power interruption detec-
tion extension time T ms
Operation may or may not continue if
power restored in this time range.
Operation
continues.
Power interruption detec-
tion extension time
E.g., 10 ms
Operation may or may not continue if
power restored in this time range.
Start method Transfer processing
Hot start None
Cold start Transfers (recovers) flash
memory data to RAM and
transfers the reception
data and send/receive
data for the HMI to RAM.
Automatic Cold Transfers (recovers) flash
start memory data to RAM and
transfers the reception
data and send/receive
data for the HMI to RAM.
Section 3-2
(25 + T) ms
Time
Operation may or
may not continue.
Operation stops.
A35807
(Automatic
Cold Start
Execution
Flag)
OFF
OFF
ON
99