Shift Instructions
76
S7-400 Instruction List
A5E00267845-01
Shift Instructions, 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
SRD
Shift the contents of ACCU1 to the right. Positions
that become free are provided with zeros.
1
0.1
0.06
0.04
0.03
SRD
0 ... 32
Shift the contents of ACCU1 to the right. Positions
that become free are provided with zeros.
1
0.1
0.06
0.04
0.03
SSI
1)
Shift the contents of ACCU1-L with sign to the right.
Positions that become free are provided with with the
1
0.1
0.06
0.04
0.03
SSI
0 ... 15
Positions that become free are provided with with the
sign (bit 15).
SSD
Shift the contents of ACCU1 with sign to the right.
Positions that become free are provided with with the
1
0.1
0.06
0.04
0.03
SSD
0 ... 32
Positions that become free are provided with with the
sign (bit 31).
Status word for:
SRD,SSI, SSD
BR
CC1
CC0
OV
OS
OR
STA
RLO
/FC
Instruction evaluates:
–
–
–
–
–
–
–
–
–
Instruction affects:
–
Yes
0
0
–
–
–
–
–
1)
No. of places shifted: 0 to 16