Danfoss FC 300 Design Manual page 77

FC 300 Design Guide
(Duty cycle) Min. pulse width
Input resistance, R
Safe stop Terminal 37
Voltage level
Voltage level, logic'0' PNP
Voltage level, logic'1' PNP
Nominal input current at 24 V
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 in accordance with EN 954-1
(safe stop according to category 0 EN 60204-1), and as required by the EU Machinery Directive
98/37/EC. Terminal 37 and the safe stop function are designed in accordance 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.
Analog inputs:
Number of analog inputs
Terminal number
Modes
Mode select
Voltage mode
Voltage level
Input resistance, R
Max. voltage
Current mode
Current level
Input resistance, R
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.
i
3)
(Terminal 37 is fixed PNP logic):
FC 301: 0 to + 10/ FC 302: -10 to +10 V (scalable)
i
i
MG.33.B9.22 - VLT ® is a registered Danfoss trademark.
4. FC 300 Selection
approximately 4 kΩ
0-24 V DC
< 4 V DC
>20 V DC
50 mA rms
60 mA rms
Voltage or current
Switch S201 and switch S202
Switch S201/switch S202 = OFF (U)
approx. 10 kΩ
Switch S201/switch S202 = ON (I)
0/4 to 20 mA (scalable)
approx. 200 Ω
10 bit (+ sign)
Max. error 0.5% of full scale
FC 301: 20 Hz/ FC 302: 100 Hz
4.5 ms
400 nF
4
2
53, 54
± 20 V
30 mA
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