Siemens CPU 414-2 - Page 38

Evaluating Conditions Using AND, OR and EXCLUSIVE OR
36
S7-400 Instruction List
A5E00267845-01
Evaluating Conditions Using AND, OR and EXCLUSIVE OR, continued
Instruc-
Address
Description
Length
in
Execution Time in s
Instruc-
tion
Address
ID
Description
Length
in
Words
CPU 412 CPU 414 CPU 416 CPU 417
A/AN
O/ON
X/XN
>=0 Result>=0
((CC1=1 and CC0=0) or (CC1=0 and
CC0=0))
1 0.1 0.06 0.04 0.03
<=0 Result<=0
((CC1=0 and CC0=1) or (CC1=0 and
CC0=0))
1 0.1 0.06 0.04 0.03
Status word for: A/AN/O/ON/X/XN BR CC1 CC0 OV OS OR STA RLO /FC
Instruction evaluates: – Yes Yes – – Yes – Yes Yes
Instruction affects: – – – – – Yes Yes Yes 1