Delta BLD-E1 Series User Manual page 101

Chapter 4 ParametersAT |Troubleshooting}| BLD-E1 Series
Positive/negative Bias Mode (ACI) (can be set to 0 or 1 only)
03-07
Control
VF VFPG
mode
Positive/negative Bias Mode (AVI)
03-08
Control
VF VFPG
mode
Settings
In a noisy environment, it is advantageous to use negative bias to provide a noise margin. It is
recommended NOT to use less than 1V to set the operating frequency.
-9
-1 0 V -8 -7 -6 -5 -4
Negativ e bias
2
4
Analog Input Gain 1 (VR)
03-09
Control
VF VFPG
mode
Analog Input Gain 1 (ACI)
03-10
Control
VF VFPG
mode
Analog Input Gain 1 (AVI)
03-11
Control
VF VFPG
mode
Settings
Parameters 03-03 to 03-11 are used when the source of frequency command is the analog
voltage/current signal.
4-60
FOCPM
FOCPM
0 Zero bias
1 Serve bias as the center, lower than bias=bias
2 Serve bias as the center, greater than bias=bias
3 The absolute value of the bias voltage while serving as the center
(unipolar)
4 Serve bias as the center (unipolar)
03-00
to
03-02
4
4
2
2
-3 -2 -1 1 2 3 4 5 6 7 8 9
bias
bias
Positiv e bias
FOCPM
FOCPM
FOCPM
0.0~500.0%
03-09~03-11 gain is positive
0
Z er o bias
1 Serv e bias as the center, lower than bias = bias
2 Serv e bias as the center, gr eater than bias=bias
T he absolute value of the bias v oltage
3
while s er ving as the c enter (unipolar)
4
Serv e bias as the center (unipolar)
1 0V
Factory setting: 0
Factory setting: 0
Factory setting: 100.0
Factory setting: 100.0
Factory setting: 100.0
Revision May 2009, 00DE, V0.50