Siemens SIMATIC ET 200S Operating Instructions Manual page 18

1Count24V/100kHz
2.3 Example: Start 1Count24V/100kHz
Testing
Use "Monitor/Modify Variables" to monitor the count value and the gate.
1. Select the "Block" folder in your project. Choose the "Insert > S7 Block > Variable Table"
2. Open the VAT 1 variable table, and enter the following variables in the "Address" column:
3. Choose "PLC > Connect To > Configured CPU" to switch to online.
4. Choose "Variable > Monitor" to switch to monitoring.
5. Switch the CPU to RUN mode.
6. Use your counting contact to generate pulses.
Result
You can now see that:
• The UP LED on the 1Count24V/100kHz is on. The status of the UP LED changes with
• The count value in the block changes.
18
menu command to insert the VAT 1 variable table, and then confirm with "OK".
DB1.DBD8 (current count value)
DB1.DBx13.0 (internal gate status)
The "internal gate status" bit must be set.
each new pulse.
Technological Functions
Operating Instructions, 02/2007, A5E00124867-05