Setting Reference Point With The Digital Input Signal Ref (P29240 = 0) - Siemens SINAMICS V90 Operating Instructions Manual

Control functions
7.2 Basic positioner (EPOS)
7.2.8.1

Setting reference point with the digital input signal REF (p29240 = 0)

When telegram 111 is used, the digital input signal REF is configured with the PROFINET
control word POS_STW2.1:
Control word
POS_STW2.1
When telegram 110 is used, the digital input signal REF is configured with the PROFINET
control word POS_STW.1:
Control word
POS_STW.1
When telegrams 7 and 9 are used, the digital input signal REF is configured with digital
inputs.
Note
Preconditions for this referencing mode
• The servo motor must be in "servo on" state and keep standstill.
• The signal REF must be OFF under the following conditions:
– before power-on
– when switching from another referencing mode to this referencing mode
– when switching from another control mode to basic positioner control mode
Note
When setting the reference point via the digital input REF, you need to keep the control word
STW1.11 = 0.
The current position is set to zero at a rising edge of the signal REF and the servo drive is
referenced:
The referencing point may not be fixed during referencing
The servo motor must be in "servo on" state so that the referencing point is fixed during
referencing.
178
Setting
1
0
Setting
1
0
CAUTION
Description
Set reference point.
Do not set reference point.
Description
Set reference point.
Do not set reference point.
Operating Instructions, 04/2020, A5E37208830-008
SINAMICS V90, SIMOTICS S-1FL6