Siemens SINUMERIK 804D sl Commissioning Manual page 186

Tips
13.1 Configuration of the properties of the network interface for PROFIBUS
Figure 13-2
5. Click on "Options" and then on the "Equidistance" tab (see figure below).
Figure 13-3
6. To enable reproducible access to peripherals (for hand wheel mode), the PROFIBUS DP
7. Click on "OK" three times.
186
Properties of the PROFIBUS interface
Equidistance
must have constant bus cycle time. The following entries are necessary under
Equidistance:
– Click on the "Activate equidistance bus cycle" field
– Enter the cycle, e.g., "2 ms" for the "Equidistance DP cycle" (for integrated
PROFIBUS) (see MD10050 Syscock_Cycle_Time).
– Click on the "Times Ti and To equal for all slaves" field
– The fields "Time Ti" and "Time To" must contain a value "< 2ms".
CNC Part 1 (NCK, PLC, drive)
Commissioning Manual, 11/2006, 6FC5397-2AP10-2BA0