Velocity Edge GX440 Operations Instructions Page 377

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Functions, monitoring, and protective functions
9.4 Extended functions
Drive converter cabinet units
Operating Instructions, 10/2008, A5E00288214A
377
Maximum acceleration/delay
Parameters p2572 (maximum acceleration) and p2573 (maximum delay) define the
maximum acceleration and maximum delay. The unit in both cases is 1000 LU/s².
Both values are relevant during:
Jog mode
Traversing block processing
Direct setpoint specification/MDI for positioning and setting up
Reference point approach
The parameters are of no effect if faults with the fault reactions OFF1 / OFF2 / OFF3 arise.
In "traversing blocks" operating mode, the acceleration and/or delay can be set in integer
stages (1 %, 2 % to 100 %) of the maximum acceleration and delay. In "direct setpoint
specification/MDI for positioning and setting up" operating mode, the acceleration/delay
override (assignment of 4000Hex = 100 %) is specified
Note
A maximum acceleration and/or delay dependent on current velocity (zigzag acceleration) is
not supported.
Note
When using the PROFIdrive message frame 110, the velocity override is already connected
and has to be supplied by the message frame.
Software limit switch
The connector inputs p2578 (software limit switch, minus) and p2579 (software limit switch,
plus) restrict the setpoint position if the following preconditions are satisfied:
Software limit switches are activated (p2582 = "1")
Reference point is set (r2684.11 = 1)
Modulo offset is not active (p2577 = "0")
In their factory setting, the connector inputs are linked with connector output p2580 (software
limit switch, minus) and/or p2581 (software limit switch, plus).
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