Danfoss VLT Midi Drive FC 280 Operating Manual page 61

Specifications
Control card, +10 V DC output
Terminal number
Output voltage
Maximum load
The 10 V DC supply is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Control card, RS485 serial communication
Terminal number
Terminal number 61
The RS485 serial communication circuit is galvanically isolated from the supply voltage (PELV).
Control card, USB serial communication
USB standard
USB plug
Connection to PC is carried out via a standard host/device USB cable.
The USB connection is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
The USB ground connection is not galvanically isolated from protective earth. Use only an isolated laptop as PC connection to
the USB connector on the frequency converter.
Relay outputs
Programmable relay outputs
Relay 01
Maximum terminal load (AC-1)
Maximum terminal load (AC-15)
Maximum terminal load (DC-1)
Maximum terminal load (DC-13)
Maximum terminal load (AC-1)
Maximum terminal load (AC-15)
Maximum terminal load (DC-1)
Minimum terminal load on 01–03 (NC), 01–02 (NO)
1) IEC 60947 parts 4 and 5
The relay contacts are galvanically isolated from the rest of the circuit by reinforced isolation.
Control card performance
Scan interval
Control characteristics
Resolution of output frequency at 0–500 Hz
System response time (terminals 18, 19, 27, 29, 32, and 33)
Speed control range (open loop)
Speed accuracy (open loop)
Speed accuracy (closed loop)
All control characteristics are based on a 4-pole asynchronous motor.
MG07A402
Operating Guide
1)
on 01–02 (NO) (resistive load)
1)
on 01–02 (NO) (inductive load @ cosφ 0.4)
1)
on 01–02 (NO) (resistive load)
1) on 01–02 (NO) (inductive load)
1) on 01–03 (NC) (resistive load)
1)
on 01–03 (NC) (inductive load @ cosφ 0.4)
1)
on 01–03 (NC) (resistive load)
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10.5 V ±0.5 V
15 mA
68 (P,TX+, RX+), 69 (N,TX-, RX-)
Common for terminals 68 and 69
1.1 (full speed)
USB type B plug
01–03 (NC), 01–02 (NO)
250 V AC, 3 A
250 V AC, 0.2 A
30 V DC, 2 A
24 V DC, 0.1 A
250 V AC, 3 A
250 V AC, 0.2 A
30 V DC, 2 A
24 V DC 10 mA, 24 V AC 20 mA
1 ms
±0.003 Hz
≤2 ms
1:100 of synchronous speed
±0.5% of nominal speed
±0.1% of nominal speed
50
1
9 9
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