Danfoss VLT Micro Drive FC 51 Quick Guide

Minimum pulse frequency at terminal 33 20 Hz
Analog inputs
Number of analog inputs 2
Terminal number 53, 60
Voltage mode (terminal 53) Switch S200=OFF(U)
Current mode (terminal 53 and 60) Switch S200=ON(I)
Voltage level 0–10 V
Input resistance, R
i
Approximately 10000 Ω
Maximum voltage 20 V
Current level 0/4 to 20 mA (scaleable)
Input resistance, R
i
Approximately 200 Ω
Maximum current 30 mA
Analog output
Number of programmable analog outputs 1
Terminal number 42
Current range at analog output 0/4–20 mA
Maximum load to common at analog output 500 Ω
Maximum voltage at analog output 17 V
Accuracy on analog output Maximum error: 0.8% of full scale
Scan interval 4 ms
Resolution on analog output 8 bit
Scan interval 4 ms
Control card, RS485 serial communication
Terminal number 68 (P, TX+, RX+), 69 (N, TX-, RX-)
Terminal number 61 Common for terminals 68 and 69
Control card, 24 V DC output
Terminal number 12
Maximum load (M1 and M2) 100 mA
Maximum load (M3) 50 mA
Maximum load (M4 and M5) 80 mA
Relay output
Programmable relay output 1
Relay 01 terminal number 01-03 (break), 01-02 (make)
Maximum terminal load (AC-1)
1)
on 01-02 (NO) (Resistive load) 250 V AC, 2 A
Maximum terminal load (AC-15)
1)
on 01-02 (NO) (Inductive load @ cosφ 0.4) 250 V AC, 0.2 A
Maximum terminal load (DC-1)
1)
on 01-02 (NO) (Resistive load) 30 V DC, 2 A
Maximum terminal load (DC-13)
1)
on 01-02 (NO) (Inductive load) 24 V DC, 0.1 A
Maximum terminal load (AC-1)
1)
on 01-03 (NC) (Resistive load) 250 V AC, 2 A
Maximum terminal load (AC-15)
1)
on 01-03 (NC) (Inductive load @ cosφ 0.4) 250 V AC, 0.2 A
Maximum terminal load (DC-1)
1)
on 01-03 (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 part 4 and 5
Control card, 10 V DC output
Terminal number 50
Output voltage 10.5 V ±0.5 V
Maximum load 25 mA
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Danfoss VLT Micro Drive FC 51 Specifications

General

Enclosure	IP20
Output Voltage	0-100% of supply voltage
Altitude	Up to 1000 m without derating
Power Range	0.18-22 kW
Control Method	V/f
Communication	Modbus RTU
Protection Features	Over-voltage, under-voltage, over-current, over-temperature
Ambient Temperature	-10°C to 50°C
Storage Temperature	-25°C to 65°C
Relative Humidity	5-95% (non-condensing)
Input Voltage	200-240 V, 380-480 V
Braking Function	Integrated braking chopper (optional)