702
YASKAWA ELECTRIC
SIEP C710617 19A YASKAWA AC Drive CR700 Technical Manual
H7-31: Virtual Analog Input Gain
No.
(Hex.)
Name
Description
Default
(Range)
H7-31
(1178)
RUN
Expert
Virtual Analog Input
Gain
Sets the virtual analog input gain.
100.0%
(-999.9 - 999.9%)
H7-32: Virtual Analog Input Bias
No.
(Hex.)
Name
Description
Default
(Range)
H7-32
(1179)
RUN
Expert
Virtual Analog Input
Bias
Sets the virtual analog input bias.
0.0%
(-999.9 - 999.9%)
H7-40: Virtual Analog Out Signal Select
No.
(Hex.)
Name
Description
Default
(Range)
H7-40
(1163)
Virtual Analog Out
Signal Select
Sets the signal level of the virtual analog output.
0
(0 - 2)
0 : 0 to 100% (Absolute Value)
1 : -100 to 100%
2 : 0 to 100% (Lower Limit at 0)
H7-41: Virtual Analog Output Function
No.
(Hex.)
Name
Description
Default
(Range)
H7-41
(1164)
Virtual Analog
Output Function
Sets the monitor to be output from the virtual analog output. Set the
x-xx
part of the
Ux-xx [Monitor]
. For example, set
x-xx
to
102
to monitor
U1-02
[Output Frequency]
.
102
(0 - 999)
H7-42: Virtual Analog Output FilterTime
No.
(Hex.)
Name
Description
Default
(Range)
H7-42
(1165)
Virtual Analog
Output FilterTime
Sets the time constant for a primary filter of the virtual analog output.
0.00 s
(0.00 - 2.00 s)
◆
L: Protection Function
L parameters
set the following functions.
•
Motor Overload Protection
•
Operation During Momentary Power Loss
•
Stall Prevention
•
Speed Detection
•
Torque Limit
•
Hardware Protection
■
L1: Motor Protection
L1 parameters
set the motor overload protection function.
Motor Protection Using Positive Temperature Coefficient (PTC) Thermistors
The temperature resistance characteristics of three PTC thermistors in the motor stator winding protect the motor
from overheat.
The PTC thermistors must have the characteristics in motor 1 phase as shown in the following graph.
V/f
CL-V/f
OLV
CLV
AOLV
V/f
CL-V/f
OLV
CLV
AOLV
V/f
CL-V/f
OLV
CLV
AOLV
V/f
CL-V/f
OLV
CLV
AOLV
V/f
CL-V/f
OLV
CLV
AOLV
