08.2012 Technology Option F01
Siemens AG 6SE7087-6QX70 (Version AN)
SIMOVERT MASTERDRIVES Compendium Motion Control 9-155
9.8.5 Commissioning the MASTERDRIVES basic functions
Commissioning step:
Commission the MASTERDRIVES basic unit:
The following commissioning guide assumes that you have
commissioned the MASTERDRIVES basic functions completely as
described in Chapter 6 of this Compendium.
Commission the basic drive functions by following the steps below:
♦ Parameter reset (factory setting if necessary)
♦ Board configuration
♦ Drive settings (enter hardware and motor data)
♦ If possible, decouple the drive from the working machine and test it
in speed control mode; optimize the speed controller
Set, commission and test the parameters for the communication
functions (in the "board configuration") parameter menu (if field bus
CBx and/or SIMOLINK SLB interface installed).
9.8.6 Defining the length unit LU
Commissioning step:
Define the length unit LU:
Define the length unit (LU) in which you want to define the positional
values. Please note that the position is defined via field bus and
parameter without decimal places in [LU]. For example, if you want to
define the target positions to a resolution of 0.001 mm, the length unit
1 LU = 1 µm. If you want to define a position setpoint of 12.345 mm,
MASTERDRIVES MC expects the setpoint 12345.
With pure synchronization axes (electronic shaft/gearbox), you will
normally choose one increment of the position encoder as the LU (e.g.
1/4096 of an encoder revolution with P171 = 12 [330.3]).
NOTE
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