Danfoss FC 301 Operating Guide

Relay outputs
Programmable relay outputs FC 301 all kW: 1/FC 302 all kW: 2
Relay 01 terminal number 1–3 (break), 1–2 (make)
Maximum terminal load (AC-1)
1)
on 1–3 (NC), 1–2 (NO) (resistive load) 240 V AC, 2 A
Maximum terminal load (AC-15)
1)
(inductive load @ cosφ 0.4) 240 V AC, 0.2 A
Maximum terminal load (DC-1)
1)
on 1–2 (NO), 1–3 (NC) (resistive load) 60 V DC, 1 A
Maximum terminal load (DC-13)
1)
(inductive load) 24 V DC, 0.1 A
Relay 02 (FC 302 only) terminal number 4–6 (break), 4–5 (make)
Maximum terminal load (AC-1)
1)
on 4–5 (NO) (resistive load)
2)
,
3)
overvoltage cat. II 400 V AC, 2 A
Maximum terminal load (AC-15)
1)
on 4–5 (NO) (inductive load @ cosφ 0.4) 240 V AC, 0.2 A
Maximum terminal load (DC-1)
1)
on 4–5 (NO) (resistive load) 80 V DC, 2 A
Maximum terminal load (DC-13)
1)
on 4–5 (NO) (inductive load) 24 V DC, 0.1 A
Maximum terminal load (AC-1)
1)
on 4–6 (NC) (resistive load) 240 V AC, 2 A
Maximum terminal load (AC-15)
1)
on 4–6 (NC) (inductive load @ cosφ 0.4) 240 V AC, 0.2 A
Maximum terminal load (DC-1)
1)
on 4–6 (NC) (resistive load) 50 V DC, 2 A
Maximum terminal load (DC-13)
1)
on 4–6 (NC) (inductive load) 24 V DC, 0.1 A
Minimum terminal load on 1–3 (NC), 1–2 (NO), 4–6 (NC), 4–5 (NO) 24 V DC 1 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
The relay contacts are galvanically isolated from the rest of the circuit by reinforced isolation (PELV).
2) Overvoltage Category II.
3) UL applications 300 V AC 2 A.
Control card performance
Scan interval 1 ms
Control characteristics
Resolution of output frequency at 0–590 Hz ±0.003 Hz
Repeat accuracy of precise start/stop (terminals 18, 19) ≤±0.1 ms
System response time (terminals 18, 19, 27, 29, 32, 33) ≤2 ms
Speed control range (open loop) 1:100 of synchronous speed
Speed control range (closed loop) 1:1000 of synchronous speed
Speed accuracy (open loop) 30–4000 RPM: Error ±8 RPM
Speed accuracy (closed loop), depending on resolution of feedback device 0–6000 RPM: Error ±0.15 RPM
Torque control accuracy (speed feedback) Maximum error ±5% of rated torque
All control characteristics are based on a 4-pole asynchronous motor.
Specications Operating Guide
MG33AT02 Danfoss A/S © 05/2018 All rights reserved. 47
8 8

Danfoss FC 301 Specifications

General

Type	AC Drive
Output frequency	0-1000 Hz
Enclosure rating	IP20, IP21, IP55
Control method	Sensorless vector control
Communication options	RS-485, CANopen, Profibus DP
Ambient temperature	-10°C to +50°C
Supply voltage	200-240 V, 380-500 V, 525-690 V
Protection class	IP20, IP21, IP55
Cooling method	Forced air
Relative humidity	5% to 95% (non-condensing)
Storage temperature range	-25 to 70 °C (-13 to 158 °F)