Siemens Simatic S7-200 System Manual page 206

Instruction Set
Retentive On-Delay Timer Example
I2.1
Figure 10-6
10-18
LAD
T2
IN TONR
10 PT
Timing Diagram
I2.1
T2 (current)
T2 (bit)
Example of Retentive On-Delay Timer Instruction for LAD and STL
STL
LD I2.1
TONR T2, 10
PT = 10
S7-200 Programmable Controller System Manual
C79000-G7076-C230-02