Siemens SLE / SLE-DP – SIMOLINK-Encoder Betriebsanleitung Seite 102

Start-Up
NOTICE
6-22
02.2001
If the position setpoint interpolator is set to 'interpolation' (P770 = -1) to
improve the time symmetry of the position control loop, the SIMOLINK
Encoder will lead by 1.6 msec. If this is the case, the setpoint to the
SIMOLINK Encoder must be delayed by this period. In firmware version
V1.41 of MASTERDRIVES MC and later, a deadtime adaptation can be
set on the user-assignable block "SLE SIMOLINK Encoder". To
implement a 1.6 ms delay, -1.6 ms must be set (negative time values
effect a delay, i.e. a deadtime, while positive values effect deadtime
compensation).
Setpoints for the SIMOLINK Encoder are calculated in firmware version
V1.4 and later by means of a user-assignable block ('SLE Setpoint
Assignment', Function Diagram [793], see Appendix B). This block
facilitates the transfer of a setpoint and offset to the encoder as well as
the readback of actual value and status. The block characteristics are
as follows:
♦ Master setpoint with any axis cycle can be linked.
♦ Offset of SIMOLINK Encoder zero pulse can be specified with the
same normalization as the master setpoint. The offset to be
specified is the position in the axis cycle of the master setpoint at
which the zero pulse of the SIMOLINK Encoder must be output.
♦ Setpoint assignment to SIMOLINK Encoder can be adapted to
match the relevant MASTERDRIVES MC device through a deadtime
setting (either delay or compensation as required).
♦ Actual value available as connector (0...32767).
SLE / SLE-DP – SIMOLINK Encoder
GWE-477 763 4070.76 J
Operating Instructions SIMOVERT MASTERDRIVES
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