Siemens SINAMICS G120D - Control Word MDI Mode

Configuring the fieldbus
7.4 PROFIdrive profile for PROFIBUS and PROFINET
Converter with control units CU250D-2
Operating Instructions, 04/2014, FW V4.7, A5E34261542B AA
107
7.4.1.8
Control word MDI mode
MDI mode
Table 7- 14 Selection of the MDI mode and interconnection with parameters in the converter
Bit
Meaning
Comments
P No.
0 0 = Relative positioning is selected The converter interprets the position setpoint as the
position setpoint relative to the start position.
p2648 = r2094.0
1 = Absolute positioning is selected The converter interprets the position setpoint as
absolute position setpoint relative to machine zero
point.
1 01 = Absolute positioning for rotary
axis in the positive direction
Selection of the positioning type for a rotary axis. p2651 = r2094.1
2 10 = Absolute positioning for rotary
axes in negative direction
p2652 = r2094.2
00, 11 = Absolute positioning for a
rotary axis through the shortest
distance
3…15
Reserved