62 • Subject area _SCON – Speed control Parameter Description MC6000/7000
_ENCD
_VAL
Index
_VFCON
_PMOD
_KPAD
Contents
Introduction
_SIO
_SCTY
_REF
_SYS
_IO1
_IO2
_CAN
_OPT1
_MOT
_CONF
_TCON
_SCON
_PCON
369-SCAVM - Threshold value for actual speed monitoring
Source: Speed Control Actual Value Maximum
Function: Maximum value (threshold value) which the actual speed may reach.
If the threshold value is exceeded an output OSxx is set, provided the output is assigned the
SCAVM function with the function selector FOSxx.
Í Functions for inputs on MC6000, page 21
362-SCG - Speed controller gain
Source: Speed Controller Gain
Function: Gain of speed controller (P-component)
SCG may only be changed in exceptional cases where the normal adjustment of the gain by
way of parameter SCGFA is no longer sufficient. An incorrect setting may cause the drive to
hum, buck, vibrate, or fail to run at all, etc.!
375-SCGFA - Scaling of speed controller gain (0 to 1000 %)
Source: Speed Controller Gain Factor
Function: Online adaptation factor for SCG (= speed controller gain (P-component))
With this parameter the gain of the speed controller (P-component, parameter SCG) can be
adjusted online from 0 to 1000 %.
An optimization may be useful if the moment of inertia of the system SCJ is not known and/
or the drive is not running satisfactorily. This optimization is possible with:
l the SETUP function (not very convenient, MC6000 only) or
l the Scope tool for the D
RIVEMANAGER.
Values:
Minimum Maximum Factory set. Unit MODE SMARTCARD Type
0 32764 3000 rpm R4W4 DRIVE INT32Q16
Values:
Minimum Maximum Factory set. Unit MODE SMARTCARD Type
0 1e+09 0.035 – R4W4 DRIVE FLOAT32
Opti-
mization:
SCG is optimized by reading-in the matching SMARTCARD to the motor. In the process
the reduced external moment of inertia = 0 acting on the motor shaft is assumed. For
percentage adjustment of the gain (optimization of the drive response), parameter
SCGFA\ (= 0 ... 1000 %) is available.
Values:
Minimum Maximum Factory set. Unit MODE SMARTCARD Type
0.00 999.95 100.00 % R1W3 DRIVE FIXPOINT16
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