Data Type Conversion Instructions
84
S7-400 Instruction List
A5E00267845-01
Data Type Conversion Instructions,
continued
The real number to be converted is in ACCU1.
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
RND+
Convert a real number into a
32-bit integer. The number is
rounded up to the next whole
number.
1
0.4
0.24
0.16
0.12
RND
Convert a real number into a
32-bit integer.
1
0.4
0.24
0.16
0.12
RND-
Convert a real number into a
32-bit integer. The number is
rounded down to the next whole
number.
1
0.4
0.24
0.16
0.12
TRUNC
Convert a real number into a
32-bit integer. The places after
the decimal point are truncated.
1
0.4
0.24
0.16
0.12
Status word for:
RND, RND-, RND+,
TRUNC
BR
CC1
CC0
OV
OS
OR
STA
RLO
/FC
Instruction evaluates:
–
–
–
–
–
–
–
–
–
Instruction affects:
–
–
–
Yes
Yes
–
–
–
–