Control card, RS-485 serial communication
Terminal number 68 (P, TX+, RX+), 69 (N, TX-, RX-)
Terminal number 61 Common for terminals 68 and 69
The RS-485 serial communication circuit is functionally separated from other central circuits and galvanically isolated from the
supply voltage (PELV).
Digital output
Programmable digital/pulse outputs 2
Terminal number 27, 29
1)
Voltage level at digital/frequency output 0–24 V
Max. output current (sink or source) 40 mA
1) Terminal 27 and 29 can also be programmed as input.
Control card, 24 V DC output
Terminal number 13
Max. load 200 mA
The 24 V DC supply is galvanically isolated from the supply voltage (PELV), but has the same potential as the analog and digital
inputs and outputs.
Surroundings
Enclosure IP21, IP54
Vibration test 1.0 g
Relative humidity 5% - 95% (IEC 721-3-3; class 3K3 (non-condensing) during operation
Aggressive environment (IEC 60068-2-43) H
2
S test
class kD
Test method according to IEC 60068-2-43 H
2
S (10 days)
Ambient temperature
- with derating maximum 50 °C
- at full continuous output current max. 40 °C
Minimum ambient temperature -10 °C
Temperature during storage/transport -25 to +65 °C
Maximum altitude above sea level without derating 1000 m
Maximum altitude above sea level with derating 3000 m
EMC standards, Emission EN 61800-3, EN 61000-6-3/4, EN 55011, IEC 61800-3
EMC standards, Immunity
EN 61800-3, EN 61000-6-1/2,
EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6
Control card performance
Scan interval 5 ms
Control card, USB serial communication
USB standard 1.1 (full speed)
USB plug USB type B “device” plug
Generic specifications
Maximum parallel filters 4 on same CT set
Filter efficiency 97%
Typical average switching frequency 3.0–4.5 kHz
Response time (reactive and harmonic) < 0.5 ms
Settling time - reactive current control < 20 ms
Settling time - harmonic current control < 20 ms
Overshoot – reactive current control <10%
Overshoot – Harmonic current control <10%
Specifications Operating Instructions
MG37A202 Danfoss A/S © Rev. 2014-07-29 All rights reserved. 151
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