Siemens SIMATIC IM 151/CPU - Page 164

Instruction List
B-30
ET 200S Interface Module IM 151/CPU
A5E00058783-01
B.17 Load Instructions
Loading the instructions in ACCU1. The old contents of ACCU1 are saved to
ACCU2 first.
The status word is not affected.
In-
stru-
Address
Description
Length
in
Typical Execu-
tion Time in s
Typical Execu-
tion Time in s
ction
Address
ID
Description
Words
Direct
Addressing
Indirect Ad-
dressing
*
L
IB
QB
PIB
Load ...
Input byte
Output byte
Peripheral input byte
1**/2
1**/2
1**/2
0.6
0.6
< 125
1.7+
1.7+
< 127
MB
LB
DBB
Memory byte
Local data byte
Data byte
1**/2
2
2
0.8
1.1
28
1.8+
2.0+
26+
DBB
DIB
D
a
t
a
b
y
t
e
Instance data byte
... in ACCU1
2
2
2
.
8
2.8
2
.
6
+
2.6+
Parame-
ters
Load IB/QB/PIB/MB/LB/DBB/DIB into
ACCU1 (addressed via parameter)
2 – +
IW
QW
PIW
Load ...
Input word
Output word
Peripheral input byte
1**/2
1**/2
1**/2
0.9
0.9
< 135
1.9+
1.9+
< 137
MW
LW
DBW
Memory word
Local data word
Data word
1**/2
2
2
1.1
1.3
33
2.1+
2.3+
32+
DBW
DIW
D
a
t
a wor
d
Instance data word
... in ACCU1-L
2
2
3
.
3
3.3
3
.
2
+
3.2+
Parame-
ters
Load IW/QW/PIW/MW/LW/DBW/DIW
into ACCU1 (addressed via parame-
ter)
2 – +
ID
QD
PID
Load ...
Input double word
Output double word
Peripheral input double word
1**/2
1**/2
1**/2
1.1
1.1
< 145
2.1+
2.1+
< 147
MD
LD
Memory double word
Local data double word
Data double word
1**/2
2
2
1.5
1.6
43
2.5+
2.7+
42+
DBD
DID
D
a
t
a
d
ou
bl
e wor
d
Instance data double word
... in ACCU1
2
2
4
.
3
4.3
4
.
2
+
4.2+
Parame-
ters
Load ID/QD/PID/MD/LD/DBD/DID into
ACCU1 (addressed via parameter)
2 – +
* + time for loading the address of the instruction
** With direct instruction addressing