Extended Encoder Evaluation - Siemens SINAMICS S120 Function Manual

Overview of important parameters (see SINAMICS S120/S150 List Manual)
Adjustable parameter drive, CU_S parameter is marked
• p0418[0...15]
• p0419[0...15]
• p0480[0...2]
• p0488[0...2]
• p0489[0...2]
• p0490
Display parameters drive
• r0481[0...2]
• r0482[0...2]
• r0483[0...2]
• r0487[0...2]
• r0979[0...30]
10.1.2.6

Extended encoder evaluation

The standard parameter r0979[0...30] describes the assignment from the telegram
configuration view.
Index 1 describes the encoder type. Subindex 1 provides further properties of the encoder:
Table 10- 42 r0979 subindex 1
Drive functions
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
Fine resolution Gx_XIST1 (in bits)
Fine resolution absolute value Gx_XIST2 (in bits)
CI: Encoder control word Gn_STW signal source
Probe 1, input terminal
Probe 2, input terminal
Invert probe or external zero mark
CO: Encoder status word Gn_ZSW
CO: Encoder actual position value Gn_XIST1
CO: Encoder actual position value Gn_XIST2
CO: Diagnostic encoder control word Gn_STW
PROFIdrive encoder format
Bit Signal Description
0 =0 Rotating encoder
=1 Linear encoder
1 =0 No fine resolution possible
=1 Fine resolution possible
2 =0 64 bit not possible
=1 Reserved
3 - 28 In accordance with the PROFIdrive profile definition
29 =0 Encoder switchable
=1 Encoder not switchable
30 =0 Interface information still to be received
=1 No further interface information will be received
31 =0 Data in the substructure are invalid
=1 Data in the substructure are valid
10.1 Communication according to PROFIdrive
Communication
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