Siemens SIMATIC IM 151/CPU - Page 161

Instruction List
B-27
ET 200S Interface Module IM 151/CPU
A5E00058783-01
B.14 Instructions Directly Affecting the RLO
The following instructions have a direct effect on the RLO.
In-
struc-
tion
Address
ID
Description
Length
in
Words
Typical Execution Time in
s
CLR Set RLO to ”0” 1 0.3
Status word for:CLR BR A1 A0 OV OS OR STA RLO /FC
Instruction depends on: – – – – – – – – –
Instruction controls: – – – – – 0 0 0 0
SET Set RLO to ”1” 1 0.3
Status word for:SET BR A1 A0 OV OS OR STA RLO /FC
Instruction depends on: – – – – – – – – –
Instruction controls: – – – – – 0 1 1 0
NOT Negate RLO 1 0.3
Status word for:NOT BR A1 A0 OV OS OR STA RLO /FC
Instruction depends on: – – – – – Yes – Yes –
Instruction controls: – – – – – – 1 Yes –
SAVE Save the RLO in the BR bit 1 0.3
Status word for:SAVE BR A1 A0 OV OS OR STA RLO /FC
Instruction depends on: – – – – – – – Yes –
Instruction controls: Yes – – – – – – – –