Siemens SIMATIC S7-200 - Off-Delay Timer Example

SIMATIC Instructions
9-22
S7-200 Programmable Controller System Manual
A5E00066097-02
Off-Delay Timer Example
IN
PT3
T33I0.0
LD I0.0
TOF T33, 3
Timing Diagram
TOF
LAD
STL
I0.0
T33 (current)
T33 (bit)
PT = 3
FBD
TOF
IN
I0.0
PT
T33
+3
PT = 3
Figure 9-7 Example of Off-Delay Timer Instruction for SIMATIC LAD, FBD, and STL