Accuracy on frequency output
Max. error: 0.2 % of full scale
Resolution on frequency output
10 bit
The digital output is galvanically isolated from the supply voltage (PELV) and other high-voltage
terminals. See section entitled Galvanic Isolation in the Operating Instructions.
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 section entitled Galvanic Isolation in the Operating Instructions.
Control card, 24 V DC output:
Terminal number
12
Max. 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 section entitled Galvanic Isolation
in the Operating Instructions.
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 section entitled Galvanic Isolation in the Operating Instructions.
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 section entitled Galvanic Isolation in the Operating Instructions.
For CANopen/DeviceNet units, see VLT 2800 DeviceNet manual, MG.90.BX.YY.
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, 50W
Min. terminal load (AC/DC) on 1-3, 1-2, control card
24 V DC 10 mA, 24 V AC 100 mA
The relay contact is separated from the rest of the circuit by strengthened isolation.
Note: Rated values resistive load - cos
Φ
>0.8 for up to 300,000 operations.
Inductive loads at cos
Φ
0.25 approximately 50% load or 50% life time.
Cable lengths and cross sections:
Max. motor cable length, screened/armoured cable
40 m
Max. motor cable length, unscreened/unarmoured cable
75 m
Max. motor cable length, screened/armoured cable and motor coil
100 m
Max. motor cable length, unscreened/unarmoured cable and motor coil
200 m
Max. motor cable length, screened/armoured cable and RFI/1B filter
200 V, 100 m
Max. motor cable length, screened/armoured cable and RFI/1B filter
400 V, 25 m
Max. motor cable length, screened/armoured cable and RFI 1B/LC filter
400 V, 25 m
Max. cross section to motor, see next section.
VLT 2800 Quick Guide
1 Quick Guide
MG.28.M1.02 - VLT
®
is a registered Danfoss trademark
31
1
