Function modules 7.9 Basic positioner

Note

Continuous acceptance p2649 = 1 can only be set with free telegram configuration p0922 = 999. No relative positioning is allowed with continuous acceptance.

The direction of positioning can be specified using p2651 (positive direction specification) and p2652 (negative direction specification). If both inputs have the same status, the shortest distance is traveled during absolute positioning (p2648 = "1") of modulo axes (p2577 = "1").

To use the positioning function, the drive must be in operating mode (r0002 = 0). The following options are available for starting positioning:

p2649 is "1" and positive edge on p2647

p2649 is "0" and p2647 is "1"

positive edge on p2650 or

positive edge on p2649

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Figure 7-19 Setpoint transfer

MDI mode with the use of PROFIdrive telegram 110.

If the connector input p2654 is preset with a connector input <> 0 (e.g. with PROFIdrive telegram 110 with r2059[11]), then it will internally manage the control signals "Select positioning type", "Positive direction selection" and "Negative direction selection". The following characteristics are evaluated from the value of the connector input:

xx0x = absolute -> p2648

xx1x = relative -> p2648

Drive Functions

277

Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4

Page 277
Image 277
Efficient Networks S120 manual MDI mode with the use of PROFIdrive telegram, LhgYhorflw\Vhwsrlqw