Operating Guide | VLT® Compressor Drive CDS 803
Procedure
1. Apply a start signal on terminal 18.
2. Connect terminals 12, 27, and terminal 53, 54, or 55.
3. Set the functions of digital inputs 18, 19, and 27 in parameter 5-00 Digital Input Mode (PNP is default value).
4. Set the function of digital input 29 in parameter 5-03 Digital Input 29 Mode (PNP is default value).
3.2.7 Electrical Wiring
L1
L2
3-phase
L3
power
input
50 (+10 V OUT)
+10 V DC
0-10 V DC-
53 (A IN)
0/4-20 mA
54 (A IN)
0-10 V DC-
0/4-20 mA
42 0/4-20 mA A OUT / D OUT
45 0/4-20 mA A OUT / D OUT
12 (+24 V OUT)
18 (D IN)
19 (D IN)
20 (COM D IN)
27 (D IN/OUT)
29 (D IN/OUT)
Illustration 12:
Basic Wiring Schematic Drawing
22 | Danfoss A/S © 2019.12
PE
55 (COM A IN/OUT)
Bus ter.
ON=Terminated
OFF=Unterminated
24 V (NPN)
O V (PNP)
24 V (NPN)
O V (PNP)
Bus ter.
24 V (NPN)
RS485
O V (PNP)
Interface
24 V (NPN)
O V (PNP)
(Com RS485 ) 61
U
V
W
PE
UDC-
Not present on all power sizes
UDC+
relay 2
06
240 V AC 3 A
05
04
relay 1
03
240 V AC 3 A
02
01
(N RS485) 69
RS485
(P RS485) 68
Do not connect shield to 61
(PNP)-Source
(NPN)-Sink
AQ321748767627en-000101 / 130R0570
Installation
Motor
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