YASKAWA
SIEPC71061737B GA800 Drive Technical Reference
671
■
b1-35: Digital Input Deadband Time
No.
(Hex.)
Name
Description
Default
(Range)
b1-35
(1117)
Expert
Digital Input Deadband
Time
Sets the deadband time for MFDIs.
0.0 ms
(0.0 to 100.0 ms)
When the on/off time for MFDIs is longer than the time set in
b1-35
, the drive activates the MFDI. Set this parameter
to prevent malfunctions caused by relay chattering for applications in which relays send input to MFDI terminals.
◆
b2: DC Injection Braking and Short Circuit Braking
b2 parameters
set the DC Injection Braking and Short Circuit Braking functions.
•
DC Injection Braking: A braking method that injects DC current into the motor windings. This function should not
be used too frequently, because it generates a fair amount of heat in the motor.
•
Short Circuit Braking: A braking method for PM motors.
■
b2-01: DC Injection/Zero SpeedThreshold
No.
(Hex.)
Name
Description
Default
(Range)
b2-01
(0189)
DC Injection/Zero
SpeedThreshold
Sets the frequency to start DC Injection Braking, Short Circuit Braking, and Zero Servo.
Determined by A1-02
(0.0 - 10.0 Hz)
Note:
This parameter is available when
b1-03 = 0 [Stopping Method Selection = Ramp to Stop]
.
When the control method selected in
A1-02 [Control Method Selection]
changes, the
b2-01
function changes.
V/f
CL-V/f
OLV
CLV
AOLV
OLV/PM
OLV/PM AOLV/PM CLV/PM
EZOLV
V/f
CL-V/f
OLV
CLV
AOLV
OLV/PM
OLV/PM AOLV/PM CLV/PM
EZOLV
Содержание GA800 Series
Страница 2: ...This Page Intentionally Blank 2 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 20: ...i 3 Warranty Information 20 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 30: ...1 3 Features and Advantages of Control Methods 30 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 58: ...2 9 Installation Methods 58 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 144: ...4 4 Start up Procedures 144 YASKAWA SIEPC71061737B GA800 Drive Technical Reference Figure 4 8 Basic Steps before Startup...
Страница 268: ...5 6 Safe Disable Input 268 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 306: ...6 3 MEMOBUS Modbus Communications 306 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 370: ...7 10 Troubleshooting Without Fault Display 370 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 426: ...8 7 Storage Guidelines 426 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...