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Danfoss CD302 Instructions Manual page 7

Frequency converter, inverter reciprocating compressors vtz

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Instructions
Diagram showing all electrical terminals.
Terminal 37 is the input to be used for Safe Stop.
Very long control cables and analog signals may
in rare cases and depending on installation result
in 50/60 Hz earth loops due to noise from mains
91 (L1)
3 Phase
92 (L2)
power
93 (L3)
input
95
DC bus
88 (-)
89 (+)
50 (+10 V OUT)
+10Vdc
-10Vdc -
53 (A IN)
+10Vdc
0/4-20 mA
-10Vdc -
54 (A IN)
+10Vdc
0/4-20 mA
55 (COM A IN)
12 (+24V OUT)
13 (+24V OUT)
18 (D IN)
19 (D IN)
20
27
*
29
32 (D IN)
33 (D IN)
*
37 (D IN)
© Danfoss | DCS (CC) | 2019.04
supply cables.
If this occurs, you may have to break the screen
or insert a 100 nF capacitor between screen and
chassis.
The digital and analog in- and outputs must be
PE
+
S201
ON/I=0-20mA
S202
OFF/U=0-10V
P 5-00
(COM D IN)
(D IN/OUT)
24V
0V
(D IN/OUT)
24V
0V
Switch Mode
Power Supply
10Vdc
24Vdc
15mA 130/200mA
-
+
-
24V (NPN)
0V (PNP)
24V (NPN)
0V (PNP)
24V (NPN)
S801
0V (PNP)
ON=Terminated
OFF=Open
5V
24V (NPN)
0V (PNP)
S801
RS-485
Interface
24V (NPN)
0V (PNP)
24V (NPN)
0V (PNP)
connected separately to the CD302 common
inputs (terminal 20, 55, 39) to avoid ground cur-
rents from both groups to affect other groups.
For example, switching on the digital input may
disturb the analog input signal.
(U) 96
(V) 97
(W) 98
(PE) 99
Brake
(R+) 82
resistor
(R-) 81
relay1
03
240Vac, 2A
02
01
*
relay2
06
240Vac, 2A
05
400Vac, 2A
04
(COM A OUT) 39
Analog Output
0/4-20 mA
(A OUT) 42
0V
(P RS-485) 68
(N RS-485) 69
(COM RS-485) 61
(PNP) = Source
(NPN) = Sink
130BA025.17
AN000086420674en-000201 | 7
Motor
RS-485

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Compressor drive seriesCompressor drive cd302