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Instructions Directly Affecting The Rlo - Siemens CPU 412-1 Instruction Manual

S7-400; cpu 412 series; cpu 414 series; cpu 416 series; cpu 417 series;.
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Instructions Directly Affecting the RLO

The following instructions have a direct effect on the RLO.
Instruc-
Instruc-
Address
Address
tion
ID
CLR
Set RLO to "0"
Status word for:
CLR
Instruction evaluates:
Instruction affects:
SET
Set RLO to "1"
Status word for:
SET
Instruction evaluates:
Instruction affects:
NOT
Negate RLO
Status word for:
NOT
Instruction evaluates:
Instruction affects:
SAVE
Save RLO to the BR bit
Status word for:
SAVE
Instruction evaluates:
Instruction affects:
S7-400 Instruction List
A5E00267845-01
Length
Length
Description
Description
in
in
Words
1
BR
CC1
1
BR
CC1
1
BR
CC1
1
BR
CC1
Yes
Instructions Directly Affecting the RLO
Execution Time in ms
CPU 412
CPU 414
0.1
0.06
CC0
OV
OS
OR
0
0.1
0.06
CC0
OV
OS
OR
0
0.1
0.06
CC0
OV
OS
OR
Yes
0.1
0.06
CC0
OV
OS
OR
CPU 416
CPU 417
0.04
0.03
STA
RLO
/FC
0
0
0
0.04
0.03
STA
RLO
/FC
1
1
0
0.04
0.03
STA
RLO
/FC
Yes
1
Yes
0.04
0.03
STA
RLO
/FC
Yes
41

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