Danfoss VLT Micro Drive FC 51 - Page 32

Maximum voltage on input 28 V DC
Input resistance, R
i
approx. 4 kΩ
Max. pulse frequency at terminal 33 5000 Hz
Min. pulse frequency at terminal 33 20 Hz
Analog inputs:
Number of analog inputs 2
Terminal number 53, 60
Voltage level 0 -10 V
Input resistance, R
i
approx. 10 kΩ
Max. voltage 20 V
Current level 0/4 to 20 mA (scaleable)
Input resistance, R
i
approx. 200 Ω
Max. current 30 mA
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: 0.8 % of full scale
Resolution on analog output 8 bit
The analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage
terminals.
Control card, RS-485 serial communication:
Terminal number 68 (P,TX+, RX+), 69 (N,TX-, RX-)
Terminal number 61 Common for terminals 68 and 69
The RS-485 serial communication circuit is functionally separated from other central circuits and
galvanically isolated from the supply voltage (PELV).
Control card, 24 V DC output:
Terminal number 12
Max. load 200 mA
Relay output:
Programmable relay output 1
Relay 01 Terminal number 01-03 (break), 01-02(make)
Max. terminal load (AC-1)
1)
on 01-02 (NO) (Resistive load) 250 V AC, 2 A
Max. terminal load (AC-15)
1)
on 01-02 (NO) (Inductive load @ cosφ 0.4) 250 V AC, 0.2 A
Max. terminal load (DC-1)
1)
on 01-02 (NO) (Resistive load) 30 V DC, 2 A
Max. terminal load (DC-13)
1)
on 01-02 (NO) (Inductive load) 24 V DC, 0.1A
Max. terminal load (AC-1)
1)
on 01-03 (NC) (Resistive load) 250 V AC, 2 A
Max. terminal load (AC-15)
1)
on 01-03 (NC) (Inductive load @ cosφ 0.4) 250 V AC, 0.2A
Max. terminal load (DC-1)
1)
on 01-03 (NC) (Resistive load) 30 V DC, 2 A
Min. 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
7. Specifications VLT Micro Drive FC 51 Operating Instructions
32 MG.02.A2.02 - VLT
®
is a registered Danfoss trademark
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