Danfoss VLT series Quick Guide

1.3.9 Electrical Overview
24V
0V
24V
0V
L1
L2
L3
3 Phase
power
input
PE
PE
+10Vdc
0-10Vdc-
0-10Vdc-
50 (+10V OUT)
54 (A IN)
53 (A IN)
55 (COM A IN/OUT)
0/4-20 mA
0/4-20 mA
42 0/4-20mA A OUT / DIG OUT
45 0/4-20mA A OUT / DIG OUT
18 (DIGI IN)
19 (DIGI IN)
27 (DIGI IN/DIGI OUT)
29 (DIGI IN/
DIGI OUT)
12 (+24V OUT)
24V (NPN)
20 (COM D IN)
OV (PNP)
24V (NPN)
OV (PNP)
24V (NPN)
OV (PNP)
24V (NPN)
OV (PNP)
Bus ter.
Bus ter.
RS-485
Interface
RS-485
(N PS-485) 69
(P RS-485) 68
(Com RS-485 ) 61
(PNP)-Source
(NPN)-Sink
ON=Terminated
OFF=Unterminated
ON
1 2
240V AC 3A
Not present on all power sizes
Do not connect shield to
61 on 116,117 and 118 unites
01
02
03
relay1
relay2
UDC+
UDC-
Motor
U
V
W
130BB984.10
06
05
04
240V AC 3A
Illustration 1.10 Electrical Overview
NOTE
There is no access to UDC- and UDC+ on the following units:
IP20 380-480 V, 30-90 kW
Quick Guide
VLT
®
HVAC Basic Drive Cascade Controller Quick Guide
MG18F402 - VLT
®
is a registered Danfoss trademark 11
1 1

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)