Load Instructions for Timers and Counters
53
S7-400 Instruction List
A5E00267845-01
Load Instructions for Timers and Counters
Loading a time value or count value into ACCU1. The contents of ACCU1 are first saved to ACCU2. The bits of the status word are not
affected.
In-
Length
Execution Time in
s
In-
struc-
Length
in
Execution Time in
s
In-
struc-
tion
Address ID
Description
Length
in
Words
CPU
412
CPU
414
CPU
416
CPU
417
L
T f
T (e)
Load time value
1
1)
/2
2
0.1/0.12
5
0.1+
0.06/0.0
75
0.06+
0.04/0.0
5
0.04+
0.03/0.0
42
0.03+
Timer para.
Load time value (addressed via parameter)
2
0.1+
0.06+
0.04+
0.03+
L
C f
C (e)
Load count value
1
1)
/2
2
0.1/0.12
5
xx+
0.06/0.0
75
0.06+
0.04/0.0
5
0.04+
0.03/0.0
42
0.03+
Counter para.
Load count value (addressed via parameter)
2
0.1+
0.06+
0.04+
0.03+
LC
T f
T (e)
Load time value in BCD
1
1)
/2
2
0.3
0.3+
0.18
0.18+
0.12
0.12+
0.09
0.09+
Timer para.
Load time value in BCD (addressed via parameter)
2
0.3+
0.18+
0.12+
0.09+
LC
C f
C (e)
Load count value in BCD
1
1)
/2
2
0.3
0.3+
0.18
0.18+
0.12
0.12+
0.09
0.09+
Counter para.
Load count value in BCD (addressed via parameter)
2
0.3+
0.18+
0.12+
0.09+
+
Plus time required for loading the address of the instruction (see page 20)
1)
With direct instruction addressing; Timer/counter No.: 0 to 255
