Example Of On-Delay Timer For Lad And Fbd; Example Of Off-Delay Timer For Lad And Fbd - Siemens SIMATIC S7-200 System Manual

Note
You cannot share the same timer numbers for TOF, TP, and TON. For example,
you cannot have both a TON T32 and a TOF T32.
On-Delay Timer Example
Input
VW100 (current)
Output (Q)
Figure 10-3
Off-Delay Timer Example
Input
VW100 (current)
Output (Q)
Figure 10-4
S7-200 Programmable Controller System Manual
A5E00066097-02
LAD
T33
TON
IN
3 PT Q Output
ET %VW100
Timing Diagram
Input
PT = 3

Example of On-Delay Timer for LAD and FBD

LAD
T33
TOF
IN
Q Output
3 PT
ET %VW100
Timing Diagram
Input
PT = 3

Example of Off-Delay Timer for LAD and FBD

IEC 1131-3 Instructions
FBD
%T33
TON
Input IN
Q
+3 PT Output
ET %VW100
PT = 3
FBD
%T33
Input IN
TOF
+3 PT Q Output
ET
%VW100
PT = 3
10-13