Control card, analog output
Number of programmable analog outputs 1
Terminal number 42
Current range at analog output 0/4-20 mA
Max. load to common at analog output 500 Ω
Accuracy on analog output Max. error: 1.5% of full scale
Resolution on analog output 10 bit
The analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. See
chapter 5.1.1 Galvanic Isolation (PELV) for further information.
Control card, 24 V DC output
Terminal number 12
Maximum load 130 mA
The 24 V DC supply is galvanically isolated from the supply voltage (PELV), but has the same potential as the analogue and
digital inputs and outputs. See chapter 5.1.1 Galvanic Isolation (PELV) for further information.
Control card, 10 V DC output
Terminal number 50
Output voltage 10.5 V ±0.5 V
Max. load 15 mA
The 10 V DC supply is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. See
chapter 5.1.1 Galvanic Isolation (PELV) for further information.
Control card, RS-485 serial communication
Terminal number 68 (TX+, RX+), 69 (TX-, RX-)
Terminal number 67 +5 V
Terminal number 70 Common for terminals 67, 68 and 69
Full galvanic isolation. See chapter 5.1.1 Galvanic Isolation (PELV) for further information.
For information about CANopen/DeviceNet units, see VLT 2800 DeviceNet Manual.
Relay outputs
1)
Number of programmable relay outputs 1
Terminal number, control card (resisitvie and inductive load) 1-3 (break), 1-2 (make)
Max. terminal load (AC1) on 1-3, 1-2, control card 250 V AC, 2 A, 500 VA
Max. terminal load (DC1 (IEC 947)) on 1-3, 1-2, control card 25 V DC, 2 A/50 V DC, 1A, 50 W
Min. terminal load (AC/DC) on 1-3, 1-2, control card 24 V DC 10 mA, 24 V AC 100 mA
1) The relay contact is separated from the rest of the circuit by strengthened isolation.
NOTICE
Rated values resistive load - cosΦ >0.8 for up to 300000 operations.
Inductive loads at cosΦ 0.25 approximately 50% load or 50% life time.
All about VLT 2800 Design Guide
MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved. 143
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