6.5.8 Digital Outputs
Number of digital outputs
4
Terminals 27 and 29
Terminal number
27, 29
(1)
Voltage level at digital output
0–24 V
Maximum output current (sink and source)
40 mA
Terminals 42 and 45
Terminal number
42, 45
(2)
Voltage level at digital output
17 V
Maximum output current at digital output
20 mA
The load resistor at digital output
1 kΩ
1
Terminals 27 and 29 can also be programmed as input.
2
Terminals 42 and 45 can also be programmed as analog output.
The digital outputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
6.5.9 Control Card, RS485 Serial Communication
Terminal number
68 (P, TX+, RX+), 69 (N, TX-, RX-)
Terminal number
61 common for terminals 68 and 69
6.5.10 Control Card, 24 V DC Output
Terminal number
12
Maximum load
80 mA
6.5.11 Relay Outputs, Enclosure Sizes H3–H5
Programmable relay output
2
Relay 01 and 02, enclosure sizes H3–H5
01–03 (NC), 01–02 (NO), 04–06 (NC), 04–05 (NO)
Maximum terminal load (AC-1)
(1)
on 01–02/04–05 (NO) (Resistive load)
250 V AC, 3 A
Maximum terminal load (AC-15)
(1)
on 01–02/04–05 (NO) (Inductive load @ cosφ 0.4)
250 V AC, 0.2 A
Maximum terminal load (DC-1)
(1)
on 01–02/04–05 (NO) (Resistive load)
30 V DC, 2 A
Maximum terminal load (DC-13)
(1)
on 01–02/04–05 (NO) (Inductive load)
24 V DC, 0.1 A
Maximum terminal load (AC-1)
(1)
on 01–03/04–06 (NC) (Resistive load)
250 V AC, 3 A
Maximum terminal load (AC-15)
(1)
on 01–03/04–06 (NC) (Inductive load @ cosφ 0.4)
250 V AC, 0.2 A
Maximum terminal load (DC-1)
(1)
on 01–03/04–06 (NC) (Resistive load)
30 V DC, 2 A
Minimum terminal load on 01–03 (NC), 01–02 (NO)
24 V DC 10 mA, 24 V AC 20 mA
Environment according to EN 60664-1
Overvoltage category III/pollution degree 2
1
IEC 60947 parts 4 and 5. Endurance of the relay varies with different load type, switching current, ambient temperature, driving configuration, working profile, and so forth. Mount a
snubber circuit when connecting inductive loads to the relays.
Specifications
Operating Guide | VLT® Compressor Drive CDS 803
AQ321748767627en-000101 / 130R0570
48 | Danfoss A/S © 2019.12
Summary of Contents for VLT CDS 803
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