10.03
4.5 Manipulated voltage output
4-127
Siemens AG, 2003. All rights reserved
SINUMERIK 840D/SIMODRIVE 611 digital, HLA Module (FBHLA) - 10.03 Edition
5467
NEG_DUAL_GAIN_COMP_FLOW [n] 0...7 index of the parameter set
Cross reference: -
Knee-point compensation neg. flow Related to:
HLA
Protection level:
3/3
Unit:
%
Default:
10.0
Minimum:
0.2
Maximum:
95.0
Data type:
FLOAT
Active:
Immediately
5468
NEG_DUAL_GAIN_COMP_VOLTAGE [n] 0...7 index of the parameter set
Cross reference: -
Knee-point compensation neg. voltage Related to:
HLA
Protection level:
3/3
Unit:
%
Default:
10.0
Minimum:
0.2
Maximum:
95.0
Data type:
FLOAT
Active:
Immediately
To calculate the inverse characteristic, the knee-point in the positive quad-
rant of the valve characteristic is defined in MD 5464 and MD 5465 and in
the negative quadrant with MD 5467 and MD 5468.
The positive and negative valve flows at the knee-point in relation to the
nominal flow (MD 5107) are entered in 5467 and MD 5464 respectively.
The positive and negative valve voltages at the knee-point in relation to the
nominal valve voltage (MD 5109) are entered in MD 5465 and MD 5468
respectively.
When the same values (defaults) are set in MD 5464 and MD 5465, the
characteristic is linear (without breakpoint in the zero range (default) and
without saturation (default)).
This breakpoint data is preset from the valve data (MD 5110, MD 5111) dur-
ing the “Calculate controller data” operation. The presettings can be altered
later. The rounding range is not a valve data and is therefore only preset to a
default value. It can however be changed later by the user (MD 5466). If
necessary, a measurement can be taken to obtain a precise setting.
Note
A constant machining velocity of the drive directly at the knee-point of the valve
is not recommended.
S Valve characteristic with breakpoint at the start of a saturation range
5485
POS_DUAL_GAIN_COMP_S_FLOW [n] 0...7 index of the parameter set
Cross reference: -
Knee-point compensation pos. flow saturation Related to:
HLA
Protection level:
3/3
Unit:
%
Default:
100.0
Minimum:
0.2
Maximum:
100.0
Data type:
FLOAT
Active:
Immediately
5486
POS_DUAL_GAIN_COMP_S_VOLT [n] 0...7 index of the parameter set
Cross reference: -
Knee-point compensation pos. voltage saturation Related to:
HLA
Protection level:
3/3
Unit:
%
Default:
100.0
Minimum:
0.2
Maximum:
100.0
Data type:
FLOAT
Active:
Immediately
4 Firmware Drive Functions
02.99
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