Omron SYSMAC CS Series Operation Manual page 108

Overview
6-1-2 Hold/Clear for I/O Memory Data
Name Addresses
Input Area IR 000
Output Area IR 001
Work Area IR 002 to
IR 049,
IR 200 to
IR 219
SR Area SR 220 to
SR 255
AR Area AR 00 to
AR 27
LR Area LR 00 to
LR 31
Timer Completion TIM/CNT 000
Flags to TIM/CNT
255
Timer PVs TIM/CNT 000
to TIM/CNT
255
Counter Completion TIM/CNT 000
Flags to TIM/CNT
255
Counter PVs TIM/CNT 000
to TIM/CNT
255
DM Area General- DM 0000 to
purpose DM 6143
read/write
words
General- DM 6200 to
purpose DM 6599
read-only
words
Error Log DM 6144 to
Area DM 6199
Unit Setup DM 6600 to
Area DM 6655
EM Area EM 0000 to
EM 2047
Note
88
The following table shows when the status of the memory areas is held and
when it is cleared.
External I/O Operating
allocation mode
changed
(See note 1.)
Yes Cleared
Yes Cleared
No Cleared
No (Refer to the individual explanations for the functions.)
No Held or cleared depending on the address.
No Cleared
No Held
(See note 1.)
No Held
(See note 2.)
No Held
No Held
No Held
No According to
setting.
(See note 3.)
1. "Operating mode changed" means between RUN or MONITOR mode and
PROGRAM mode.
2. The status of Timer Completion Flags and Timer PVs is held when the op-
erating mode changes from RUN mode or MONITOR mode to PROGRAM
mode, but it is cleared when the operating mode is changed from PRO-
GRAM mode to RUN mode or MONITOR mode.
3. It is possible to set whether data in the EM Area is held or cleared in the
Unit Setup Area (bits 12 to 15 in DM 6600).
Fatal errors
FALS error Other fatal
errors
Held Cleared
Cleared Cleared
Held Cleared
Held Cleared
Held Held
Held Held
Held Held
Held Held
Held Held
According to According to
setting. setting.
(See note 3.) (See note 3.)
Section 6-1
Power supply
turned ON
Cleared
Cleared
Cleared
Cleared
Cleared
Cleared
Cleared
Held
Held
According to
setting.
(See note 3.)