Overview
1.3 Design of the DIO module
SIMATIC PCIe DIO4
10
Compact Operating Instructions, 11/2011, A5E03493449-01
Events
The counter can be operated in different modes because the events are configurable. Each
event chain consists of the following components:
●
Source selection CxTRx.SSEL
●
Detection mode CxTRx.DMODE
●
Divisor CxTR0.PEN/CxTRx.PRE
●
Output mode CxTRx.OMODE
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Event effect
●
Event "Up" (CxTR0): The counter is incremented.
●
Event "Down" (CxTR1): The counter is decremented.
●
Event "Clear" (CxTR2): The counter is deleted (0).
●
Event "Reload" (CxTR3): The value from the CxRELR reload register is loaded into the
CxVR counter register.
●
Event "Capture" (CxTR4): The current counter value from CxVR is saved in the CxCAPR
capture register.
Содержание SIMATIC PCIe DIO4
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