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C1120 S5 to II/O-Lightbus Interface Beckhoff II/O-Lightbus System

Page 20 of 52 Version 2.1 Date 27.06.97

It is possible to count the number of interrupt events occurring within a specific time interval.

The time interval can be entered in the field “Timer Period” and must be in the range 0 ms

(timer disabled) to 1677 ms.

The relevant interrupt channel must be activated by entering a “1” in the field “Count”.

The start address from which the count results are to be stored is entered in the field “Count

Address”.

The count results are in the form of a 16-bit value so that 2 bytes are reserved for each

counter. In the example, the count result from interrupt channel 1 would be stored starting at

address 182, and the count result from interrupt channel 2 starting from address 184.

Function keys:

F1 HELP

displays help text.

F6 IRQ CONFIGURATION

chooses the interrupt characteristic (see above).

F10 PREVIOUS MENU

returns to master setup menu.

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Beckhoff C1120 Manual de usuario Pagina 20