Delta VFD-B Series User Manual

Chapter 5 Parameters_VFD-B Series
5-46
Revision 10/2005, BE13, SW V4.08
02 - 09
aAccel/Decel Rate of Change of UP/DOWN Operation with Constant
Speed
Unit: 0.01
Settings 0.01~1.00 Hz/ms Factory Setting: 0.01
These parameters determine the increase/decrease of the master frequency when operated via the Multi-
Function Inputs when Pr.04-04~Pr.04-09 are set to 11 (Up command) or 12 (Down command).
02 - 15
aKeyboard Frequency Command Unit: 0.01
Settings 0.00 ~ 400.00Hz Factory Setting: 60.00
This parameter can be used to set frequency command or read keypad frequency command.

Delta VFD-B Series Specifications

General

Series	VFD-B
Cooling Method	Fan cooling
Overload Capacity	150% for 60 seconds
Braking Unit	Built-in
Control Mode	V/F control, Sensorless Vector Control
Communication	RS-485
Protection Features	Overvoltage, Undervoltage, Overcurrent, Overload, Overtemperature, Short Circuit
Operating Temperature	-10°C to +50°C
Storage Temperature	-20°C to +60°C
Humidity	90% RH (non-condensing)
Altitude	1000m (Derating required above 1000m)