Festo Контроллеры двигателя SFC-LAC - Manual (Page 135)

5. Commissioning
5−53
Festo GDCP−SFC−LACI−IO−EN en 0812NH
5.5.7 Position sampling (on−the−fly measurement)
A local digital input (IN1 or IN2) not occupied by the referĆ
ence or limit switch can be used as a fast sample input. With
a falling (depending on configuration: a rising) edge at the
configured sample input, the current position value is written
into a CI object of the SFC−LACI (in 204A/05h or 06h) and can
afterwards be read out by the higher−level control system
(PLC/IPC).
Due to the restrictions imposed by the I/O interface, a read−
out is only possible via the CI interface.
Overview of parameters for position sampling (on−the−fly measurement)
Parameter / Description FCT CI
Input that is going to be used for the position sampling:
Value = 0: none / value = 1: IN1 / value = 2: IN2 x 6510/16h
Trigger mode:
Ĉ Bit 0 − value = 1: cyclic" = record position for every rising (depending on conĆ
figuration: and/or falling) edge
Ĉ Bit 1 − value = 2: single" = record position only for the first rising (depending
on configuration: and/or falling) edge
x 204A/01h
Edge status:
Ĉ Value = 0: An edge was not registered. Writing 0 resets both edge events to 0.
Ĉ Value = 1: A falling edge has occurred and a new position value was stored.
Ĉ Value = 2: A rising edge has occurred and a new position value was stored.
Ĉ Value = 3: A rising and a falling edge have occurred, the respective position
values were stored.
ć 204A/02h