Kendrion Kuhnke Automation GmbH
Counter/Posi2, Counter2
55
11/25/2016
in frame-synchronous mode:
The time from the last frame-interrupt to the status change of the input is
stored in the time stamp and sent in the following frame to the EtherCAT
master.
Frame
Digital Input
Variable
Timestamp
n+1
TRUE
Timestamp (n)
n+2
FALSE
Timestamp (n+1)
in DC-synchronous mode:
The time from the last DC-interrupt to the status change of the input is stored
in the time stamp and sent in the following frame to the EtherCAT master.
Frame
Digital Input
Variable
Timestamp
n+1
TRUE
Timestamp (n)
n+2
FALSE
Timestamp (n+1)
t
Digital Input
DC-Interrupts
Timestamp (n)
n
Off
On
n+1
n+2
Timestamp (n+1)
Frame
t
Digital Input
Frame-Interrupts
Timestamp (n)
n
Off
On
n+1
n+2
Timestamp (n+1)