Siemens CPU 414-2 - Page 78

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