Danfoss VLT AutomationDrive FC 301 Operating Instructions Manual page 96

5 General Specifications
Nominal input current at 20 V
Input capacitance
All digital inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
1) Terminals 27 and 29 can also be programmed as output.
2) Except safe stop input Terminal 37.
3) Terminal 37 is only available in FC 302 and FC 301 A1 with Safe Stop. It can only be used as safe stop input. Terminal 37 is suitable for category 3
installations according to EN 954-1 (safe stop according to category 0 EN 60204-1) as required by the EU Machinery Directive 98/37/EC. Terminal 37
and the Safe Stop function are designed in conformance with EN 60204-1, EN 50178, EN 61800-2, EN 61800-3, and EN 954-1. For correct and safe use
of the Safe Stop function follow the related information and instructions in the Design Guide.
4) FC 302 only.
5) When using a contactor with a DC coil inside in combination with Safe Stop, it is important to make a return way for the current from the coil when
turning it off. This can be done by using a freewheel diode (or, alternatively, a 30 or 50 V MOV for quicker response time) across the coil. Typical
contactors can be bought with this diode.
5
Analog inputs:
Number of analog inputs
Terminal number
Modes
Mode select
Voltage mode
Voltage level
Input resistance, R
i
Max. voltage
Current mode
Current level
Input resistance, R
i
Max. current
Resolution for analog inputs
Accuracy of analog inputs
Bandwidth
The analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Pulse/encoder inputs:
Programmable pulse/encoder inputs
Terminal number pulse/encoder
Max. frequency at terminal 29, 32, 33
Max. frequency at terminal 29, 32, 33
Min. frequency at terminal 29, 32, 33
Voltage level
Maximum voltage on input
Input resistance, R
i
Pulse input accuracy (0.1 - 1 kHz)
Encoder input accuracy (1 - 110 kHz)
The pulse and encoder inputs (terminals 29, 32, 33) are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
96
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MG.33.AG.02 - VLT is a registered Danfoss trademark
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VLT AutomationDrive FC 300 Operating
Voltage or current
Switch S201 and switch S202
Switch S201/switch S202 = OFF (U)
FC 301: 0 to + 10/ FC 302: -10 to +10 V (scaleable)
Switch S201/switch S202 = ON (I)
0/4 to 20 mA (scaleable)
Max. error 0.5% of full scale
FC 301: 20 Hz/ FC 302: 100 Hz
1)
29 , 33
110 kHz (Push-pull driven)
5 kHz (open collector)
see section on Digital input
Max. error: 0.1% of full scale
Max. error: 0.05 % of full scale
Instructions
60 mA rms
400 nF
2
53, 54
approx. 10 kΩ
± 20 V
approx. 200 Ω
30 mA
10 bit (+ sign)
2/1
2) 3) 3)
/ 32 , 33
4 Hz
28 V DC
approx. 4 kΩ