Siemens simatic et 200s Operating Instructions Manual page 258

1PosSSI/Analog
6.6 Functions of the 1PosSSI/Analog
If you select Direction, the following applies: The control is unipolar. The drive is controlled
using the analog output QV+/M
The 1PosSSI/Analog controls the direction using the OUT digital output.
You can read the status of the OUT digital output from the feedback interface, with a delay
that corresponds to the updating rate.
Figure 6-8
258
with 0 V to +10 V.
ana
Schematic Diagram of the Unipolar Control of a Drive
Operating Instructions, 05/2007, A5E00124871-04
ET 200S Positioning