Danfoss FC 100 - Page 120

Digital inputs:
Programmable digital inputs 4 (6)
Terminal number 18, 19, 27
1)
, 29, 32, 33,
Logic PNP or NPN
Voltage level 0 - 24 V DC
Voltage level, logic'0' PNP < 5 V DC
Voltage level, logic'1' PNP > 10 V DC
Voltage level, logic '0' NPN > 19 V DC
Voltage level, logic '1' NPN < 14 V DC
Maximum voltage on input 28 V DC
Input resistance, R
i
approx. 4 kΩ
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.
Analog inputs:
Number of analog inputs 2
Terminal number 53, 54
Modes Voltage or current
Mode select Switch S201 and switch S202
Voltage mode Switch S201/switch S202 = OFF (U)
Voltage level : 0 to + 10 V (scaleable)
Input resistance, R
i
approx. 10 kΩ
Max. voltage ± 20 V
Current mode Switch S201/switch S202 = ON (I)
Current level 0/4 to 20 mA (scalable)
Input resistance, R
i
approx. 200 Ω
Max. current 30 mA
Resolution for analog inputs 10 bit (+ sign)
Accuracy of analog inputs Max. error 0.5% of full scale
Bandwidth : 200 Hz
The analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage
terminals.
5. General Specifications
VLT
®
HVAC DRIVE High Power
Instruction Manual
120 MG.11.F1.22 - VLT
®
is a registered Danfoss trademark.
5