Siemens SIMATIC NET PROFIBUS manual Operation With Acknowledgment Pulse, 3 4 5 6 7 8 Setting

Infrared Link Modul (ILM) 6ZB530–3AC30–0BA1

6.3Operation With Acknowledgment Pulse

For operation of the PROFIBUS ILM with acknowledgment pulses, a manual setting must made during configuration. Operation with acknowledgment pulse is only intended for the use of point-to-point links between two PROFIBUS ILMs.

Note

If a point-to-multipoint topology is being used, this mechanism must be deactivated otherwise problems can occur on the bus.

1 2 3 4 5 6 7 8 Setting 0

As shipped:

Setting 1

Switch 4:

All switches 0

Link monitoring with acknowledgment pulse

4

Operation without acknowledgment pulse

4

Operation with acknowledgment pulse

Figure 9: Operation with Acknowledgment Pulse and the Corresponding Switch Setting

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