Siemens SINAMICS S150 NEMA Operating Instructions Manual page 677

Converter cabinet units
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Parameters
• p0488
• p0489
• p0493
• p0495
• p0580
• p0680[0...7]
• p2517[0...2]
• p2518[0...2]
9.4.7.6
Safely referencing under EPOS
Basic positioning with safe referencing
Some safety functions (e.g. SLP, SP) require safe referencing. If EPOS is active at a drive,
when referencing using EPOS, then the absolute position is also automatically transferred to
the Safety Integrated Functions.
The Safety Integrated Functions only evaluate the absolute position if a safety function is
parameterized, which requires an absolute value, e.g. SLP.
The following are examples for a load-side position calculation, depending on various
encoder mounting versions and axis types.
Example 1:
Safety Integrated Extended Functions monitor the rotating load. EPOS and Safety Integrated
Extended Functions use the same rotary encoder at the motor. The rotating load is coupled
to the motor via a gear. The speed/position values of the spindle are calculated.
● p2506 = 360000 => a position of 360000LU (r2521) corresponds to 360° (r9708)
● p2506 = 10000 => a position of 10000LU (r2521) corresponds to 360° (r9708)
Figure 9-47
Enclosed Drives
Operating Instructions, 12/2018, A5E36652151A
Probe 1, input terminal
Probe 2, input terminal
Zero mark selection, input terminal
Equivalent zero mark, input terminal
Probe, input terminal
Central probe, input terminal
LR direct probe 1
LR direct probe 2
Example 1: Rotary encoder for EPOS and Safety Integrated
Functions, monitoring and protective functions
9.4 Extended functions
675

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