Vacon 100 INDUSTRIAL Applications Manual - page 56
VACON HVAC Drive Application
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3
3.6
HVAC Application - Additional parameter information
Due to its user-friendliness and simplicity of use, the most parameters of the VACON HVAC
Drive Application only require a basic description which is given in the parameter tables in
chapter 3.5.
In this chapter, you will find additional information on certain most advanced parameters of the
VACON HVAC Drive Application. Should you not find the information you need contact your dis-
tributor.
3.1.1.7
M
OTOR
CURRENT
LIMIT
This parameter determines the maximum motor current from the AC drive. The parameter
value range differs from size to size.
When the current limit is active the drive output frequency is decreased.
NOTE: This is not an overcurrent trip limit.
3.2.4
S
TOP
FUNCTION
3.2.5
S
TART
/
STOP
LOGIC
Values 0...2 offer possibilities to control the starting and stopping of the AC drive with digital
signal connected to digital inputs. CS = Control signal.
Selection
number
Selection name
Description
0
Coasting
The motor is allowed to stop on its own inertia. The control
by the drive is discontinued and the drive current drops to
zero as soon as the stop command is given.
1
Ramp
After the Stop command, the speed of the motor is deceler-
ated according to the set deceleration parameters to zero
speed.
Selection
number
Selection name
Note
0
Start forward
The functions take place when the contacts are closed.
1
CS1: Start fwd pulse
CS2: Stop pulse
For 3-wire control (pulse control)
2
Start fwd pulse
Required to start.