Load Instructions
51
S7-400 Instruction List
A5E00267845-01
Load Instructions, continued
In-
Length
Execution Time in
s
In-
struc-
Address ID
Description
Length
in
Execution Time in
s
struc-
tion
Address ID
Description
in
Words
CPU 412
CPU 414
CPU 416
CPU 417
L
’x’
Load 1 character
2
0.125
0.075
0.05
0.042
’xx’
Load 2 characters
2
0.125
0.075
0.05
0.042
’xxx’
Load 3 characters
3
0.185
0.112
0.075
0.062
’xxxx’
Load 4 characters
3
0.185
0.112
0.075
0.062
L
D# time value
Load IEC date
3
0.185
0.112
0.075
0.062
L
S5T# time value
Load S7 time constant (16 bits)
2
0.125
0.075
0.05
0.042
L
TOD# time va-
lue
Load IEC time constant
3
0.185
0.112
0.075
0.062
L
T# time value
Load 16-bit time constant
2
0.125
0.075
0.05
0.042
Load 32-bit time constant
3
0.185
0.112
0.075
0.062
L
C# count value
Load counter constant (BCD code)
2
0.125
0.075
0.05
0.042
L
B# (b1, b2)
Load constant as byte (b1, b2)
2
0.125
0.075
0.05
0.042
B# (b1, b2, b3,
b4)
Load constant as 4 bytes
(b1, b2, b3, b4)
3
0.185
0.112
0.075
0.062