Siemens SIMATIC ET 200S Operating Instructions Manual page 28

1Count24V/100kHz
2.6 Count Modes
Figure 2-6
Function of the Digital Input
Select one of the following functions for the digital input:
• Input
• Hardware gate
• Latch Function
• Synchronization
Function of the Digital Outputs
Select one of the following functions for each digital output:
• Output, no switching through comparator
• Activation at a counter status greater than or equal to the comparison value
• Activation at a counter status less than or equal to the comparison value
• Pulse on reaching the comparison value
• Switching at comparison values (DO1 only)
Influencing the Behavior of the Digital Outputs
The behavior of the digital outputs can be influenced as follows:
• Hysteresis
• Pulse duration
28
Periodic Counting with Up as the Main Count Direction
Technological Functions
Operating Instructions, 02/2007, A5E00124867-05