Siemens SIMATIC IM 151/CPU - Page 162

Instruction List
B-28
ET 200S Interface Module IM 151/CPU
A5E00058783-01
B.15 Timer Instructions
Starting or resetting of a timer (addressed directly or via a parameter). The
duration must be in ACCU1-L.
In-
stru-
Address
Description
Length
in
Typical Execution Time in
s
ction
Address
ID
Description
Words
Direct Ad-
dressing
Indirect Ad-
dressing
*
SP T Start timer as pulse on edge change from
”0” t ”1”
1**/2 9.2 9.7+
Timer
para.
”0” to ”1”
2 – –
SE T Start timer as extended pulse on edge
h f ”0” t ”1”
1**/2 9.2 9.7+
Timer
para.
change from ”0” to ”1”
2 – –
SD T Start timer as ON delay on edge change
f ”0” t ”1”
1**/2 9.7 10.2+
Timer
para.
from ”0” to ”1”
2 – –
SS T Start timer as retentive ON delay on edge
h f ”0” t ”1”
1**/2 9.7 10.2+
Timer
para.
change from ”0” to ”1”
2 – –
SF T Start timer as OFF delay on edge change
f ”1” t ”0”
1**/2 10.0 10.5+
Timer
para.
from ”1” to ”0”
2 – –
FR T Enable timer for restarting on edge
h f ”0” t ”1” ( t d
1**/2 2.1 2.7+
Timer
para.
change from ”0” to ”1” (reset edge me-
mory marker for starting timer)
2 – –
R T Reset timer 1**/2 1.8 2.4+
Timer
para.
2 – –
Status word for:
SP, SE, SD, SS, SF, FR, R
BR A1 A0 OV OS OR STA RLO /FC
Instruction depends on: – – – – – – – Yes –
Instruction controls: – – – – – 0 – – 0
* + time for loading the address of the instruction
** With direct instruction addressing