Traversing Blocks - Siemens SINAMICS S120 Function Manual
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Also See for SINAMICS S120:
- Function manual (1094 pages) ,
- Diagnostic manual (947 pages) ,
- Manual (848 pages)
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Function modules
7.8 Basic positioner
Using the spindle pitch parameterized in parameter p9520, rotary motion is converted into
linear motion. EPOS does not take into account spindle pitch. Instead, the LUs are defined in
the number of load revolutions in p2506. The load revolutions refer to the movement of the
ball screw, that is, the motion after the gearbox. The ratio for the gearbox used must be
parameterized in p9521/p9522 for Safety Integrated Extended functions and in p2504/p2505
for EPOS. For a gearbox to convert from 4 motor revolutions to 3 load revolutions, set:
● p9521 = 3
● p9522 = 4
● p2504 = 4
● p2505 = 3
Flying referencing using Safety Integrated Extended functions
Flying referencing is frequently used to compensate for any inaccuracies in the actual value
sensing, and therefore to optimize positioning accuracy on the load side. The Safety
Integrated Extended functions have lower accuracy requirements than the control. For
Safety Integrated Extended functions, cyclic adjustment is not necessary.
The initial activation signal initiates referencing. If, at the next switching signal, it is detected
that the "referenced" state already exists, then no new reference position is transferred to
Safety Integrated functions.
7.8.7
Traversing blocks
Up to 64 different traversing tasks can be saved. The maximum number is set using
parameter p2615 (maximum number of traversing tasks). All parameters which describe a
traversing task are effective during a block change, i.e. if:
● The appropriate traversing block number is selected using binector inputs p2625 to
● A block change is made in a sequence of traversing tasks.
● An external block change p2632 "External block change" is triggered.
474
p2630 (block selection, bits 0...5) and started using the signal at binector input p2531
(activate traversing task).
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
Drive functions
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