Siemens SIMATIC IM 151/CPU - Page 181

Instruction List
B-47
ET 200S Interface Module IM 151/CPU
A5E00058783-01
B.36 Complement Formation
In-
struc-
tion
Address
ID
Description
Length
in
Words
Typical Execution Time in
s
INVI Create ones complement of ACCU1-L 1 0.3
INVD Create ones complement of ACCU1 1 0.3
Status word for: INVI, INVD BR A1 A0 OV OS OR STA RLO /FC
Instruction depends on: – – – – – – – – –
Instruction controls: – – – – – – – – –
NEGI Create twos complement of ACCU1-L
(16-bit integer)
1 1.5
NEGD Create twos complement of ACCU1
(32-bit integer)
1 2.0
Status word for: NEGI, NEGD, NEGR BR A1 A0 OV OS OR STA RLO /FC
Instruction depends on: – – – – – – – – –
Instruction controls: – Yes Yes Yes Yes – – – –