Data Retention Control Bit - Omron SYSMAC C2000H Operation Manual

SR Area
Multilevel PC Link Systems
Application Example
Bit no
Binary
Hex
3-4-2

Data Retention Control Bit

28
Flag type Bit no.
Run flags 00
01
02
03
04
05
06
07
Error flags 08
09
10
11
12
13
14
15
If the PC is in a Multilevel PC Link System and the content of word 248 is
02FF, then PC Link Units #0 through #7 of in the PC Link Subsystem as-
signed operating level 1 would be in RUN mode, and PC Link Unit #1 in the
same Subsystem would have an error. The hexadecimal digits and corre-
sponding binary bits of word 248 would be as shown below.
15
0 0 0 0 0 0 1 0
0
SR bit 25212 can be turned ON to preserve the status of IR and LR bits
when shifting from PROGRAM to MONITOR or RUN mode or when shifting
from MONITOR or RUN mode to PROGRAM mode. If bit 25212 is OFF, IR
and LR bits will be turned OFF when switching between these modes.
The status of the Data Retention Control bit is maintained for power interrup-
tions or when PC operation is stopped.
SR 247 SR 248
Unit #8, Unit #0,
level 1 level 1
Unit #9, Unit #1,
level 1 level 1
Unit #10, Unit #2,
level 1 level 1
Unit #11, Unit #3,
level 1 level 1
Unit #12, Unit #4,
level 1 level 1
Unit #13, Unit #5,
level 1 level 1
Unit #14, Unit #6,
level 1 level 1
Unit #15, Unit #7,
level 1 level 1
Unit #8, Unit #0,
level 1 level 1
Unit #9, Unit #1,
level 1 level 1
Unit #10, Unit #2,
level 1 level 1
Unit #11, Unit #3,
level 1 level 1
Unit #12, Unit #4,
level 1 level 1
Unit #13, Unit #5,
level 1 level 1
Unit #14, Unit #6,
level 1 level 1
Unit #15, Unit #7,
level 1 level 1
1 1 1 1 1 1 1 1
2 F
Section 3-4
SR 249 SR 250
Unit #8, Unit #0,
level 0 level 0
Unit #9, Unit #1,
level 0 level 0
Unit #10, Unit #2,
level 0 level 0
Unit #11, Unit #3,
level 0 level 0
Unit #12, Unit #4,
level 0 level 0
Unit #13, Unit #5,
level 0 level 0
Unit #14, Unit #6,
level 0 level 0
Unit #15, Unit #7,
level 0 level 0
Unit #8, Unit #0,
level 0 level 0
Unit #9, Unit #1,
level 0 level 0
Unit #10, Unit #2,
level 0 level 0
Unit #11, Unit #3,
level 0 level 0
Unit #12, Unit #4,
level 0 level 0
Unit #13, Unit #5,
level 0 level 0
Unit #14, Unit #6,
level 0 level 0
Unit #15, Unit #7,
level 0 level 0
0
F