4
8
6
Name: Basis
KEB COMBIVERT F4-F
16.03.99
Functional Description Set Value and Ramp Adjustment
Chapter
Section Page Date
© KEB Antriebstechnik, 1999
All Rights reserved
SP.4
SP.5
SP.6 (SP.4)
SP.7 (SP.5)
SP.4
SP.5
SP.6 (SP.4)
SP.7 (SP.5)
SP.4
SP.5
SP.6 (SP.4)
SP.7 (SP.5)
6.4.4 Setpoint Calculation
Setpoint setting : -10V ... +10V (REF1)
At SP.0 = 0 and 1 negative setpoint values are internally set to 0 and
the direction of rotation is adjusted digital by way of parameter SP.3
or terminals forward and reverse.
At SP.0 = 2 the direction of rotation is defined through the sign of the
setpoint.
Setpoint setting : -9999,5 rpm ... +9999,5 rpm (parameter SP.1)
At SP.0 = 3 and 4 negative setpoint values are internally set to 0 and
the direction of rotation is adjusted digital by way of parameter SP.3
or terminals forward and reverse.
At SP.0 = 5 the direction of rotation is defined through the sigh of the
setpoint.
Attention! Speed values up to +/- 9999,5 rpm can be adjusted,
however, internally the calculation is done only with the
adjusted maximum speed values.
+n [U/min]
-n [U/min]
Maximum speed
Minimum speed
Minimum speed
Maximum speed
+n [U/min]
Maximum speed
Minimum speed
Minimum speed
Maximum speed
Value of
SP.7 (SP.5)
^
=
-100%
Value of
SP.5
^
=
100%
SP.1 [U/min]
Anlaog setpoint settingAbsolute digital setpoint setting
Setpoint setting : -100%...+100% (parameter SP.2)
At SP.0 = 6 and 7 negative setpoint values are internally set to 0 and
the direction of rotation is adjusted digital by way of parameter SP.3
or terminals forward and reverse.
At SP.0 = 8 the direction of rotation is defined through the sign of the
setpoint.
percentual digital setpoint setting
REF1 [V]
REF1 [V]
10V
100
%
-10V
-100 %
+n [U/min]
-n [U/min]
Maximum speed
Minimum speed
Minimum speed
Maximum speed
SP.2 [%]
SP.2 [%]
100
%
-100 %
SP.1 [U/
min]
Fig. 6.4.4 Setpoint analog
Fig. 6.4.5 Setpoint digital absolute
Fig. 6.4.6 Setpoint digital percentual
-n [U/min]
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