Danfoss VLT series Service Manual

1-10
VLT is a registered Danfoss trademark
Terminal No. Function
55 Common for analog inputs. This common is
isolated from the common of all other power
supplies. If, for example, the drive’s 24 VDC
power supply is used to power an external
transducer, which provides an analog input
signal, terminal 55 must be wired to terminal
39.
60 Programmable 0 to 20 mA or 4 to 20 mA,
analog current input, Resistance = approx.
200 Ω. Used for reference or feedback
signals.
61 RS-485 common.
68, 69 RS-485 interface and serial communication.
Figure 1-2. Control Terminals Electrical Diagram
Located on power card

Danfoss VLT series Specifications

General

Series	VLT
Category	DC Drives
Output Voltage	0-100% of input voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Overtemperature, Short Circuit, Ground Fault
Communication Interfaces	Profibus, CANopen
Enclosure Rating	IP20, IP21, IP55, IP66
Cooling Method	Forced Air Cooling, Convection Cooling
Control Mode	Sensorless Vector, Closed Loop Vector
Ambient Temperature	-10°C to +50°C (14°F to 122°F)