Electrical Overview - Danfoss VLT Series Quick Manual

Quick Guide

1.3.9 Electrical Overview

3 Phase
power
input
+10Vdc
0-10Vdc-
0/4-20 mA
0-10Vdc-
0/4-20 mA
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
®
VLT HVAC Basic Drive Cascade Controller Quick Guide
L1
L2
L3
PE
50 (+10V OUT)
53 (A IN)
54 (A IN)
55 (COM A IN/OUT)
42 0/4-20mA A OUT / DIG OUT
45 0/4-20mA A OUT / DIG OUT
12 (+24V OUT)
18 (DIGI IN)
24V (NPN)
OV (PNP)
19 (DIGI IN)
24V (NPN)
20 (COM D IN) OV (PNP)
27 (DIGI IN/DIGI OUT)
24V (NPN)
24V
OV (PNP)
29 (DIGI IN/
0V
DIGI OUT)
24V (NPN)
24V
OV (PNP)
0V
®
MG18F402 - VLT is a registered Danfoss trademark
U
V
W
PE
UDC-
Not present on all power sizes
UDC+
relay2
06
05
04
relay1
03
02
01
Bus ter.
ON=Terminated
OFF=Unterminated
Bus ter.
RS-485
(N PS-485) 69
Interface
(P RS-485) 68
Do not connect shield to
(Com RS-485 ) 61
61 on 116,117 and 118 unites
(PNP)-Source
(NPN)-Sink
Motor
240V AC 3A
240V AC 3A
RS-485
11
1 1