Siemens SIMATIC ET 200S Operating Instructions Manual page 333

Pulse Train Mode
Use channel 0 of the 2PULSE in pulse train mode to pack piece goods. In this mode, the
2PULSE generates a specifiable number of pulses on the digital output DO to control the
pusher. The pulse duration and period of the output signal can be adjusted.
Sequence
1. Starting the packing process: To enable the start, use the software enable (SW_ENABLE
2. Monitoring the packing process: The error detection/diagnostic function allows you to
3. End of the packing process: By evaluating STS_ENABLE, you can find out when the
Technological Functions
Operating Instructions, 06/2010, A5E00124867-07
0→1) in your control program. The 2PULSE uses the 24 V enable signal (HW enable,
digital input DI) to tell whether the folding box is correctly positioned and then starts the
pusher.
check via the program that the packing process is running correctly.
preset number of goods has been packed.
Figure 5-28 Flow Diagram for the Packing of Piece Goods
2PULSE
5.7 Application Examples
333