Danfoss VLT FC 100 Operating Instructions Manual page 165

7 General Specifications
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.
7
Pulse inputs:
Programmable pulse inputs
Terminal number pulse
Max. frequency at terminal, 29, 33
Max. frequency at terminal, 29, 33
Min. frequency at terminal 29, 33
Voltage level
Maximum voltage on input
Input resistance, R
i
Pulse input accuracy (0.1 - 1 kHz)
Analog output:
Number of programmable analog outputs
Terminal number
Current range at analog output
Max. resistor load to common at analog output
Accuracy on analog output
Resolution on analog output
The analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Control card, RS-485 serial communication:
Terminal number
Terminal number 61
The RS-485 serial communication circuit is functionally seated from other central circuits and galvanically isolated from the supply voltage (PELV).
Digital output:
Programmable digital/pulse outputs
Terminal number
Voltage level at digital/frequency output
164
PELV isolation
+24V
Control
18
High
voltage
37
Functional
isolation
RS485
MG.11.F3.02 - VLT ® is a registered Danfoss trademark
VLT HVAC Drive High Power Operating In-
Voltage or current
Switch S201 and switch S202
Switch S201/switch S202 = OFF (U)
: 0 to + 10V (scaleable)
Switch S201/switch S202 = ON (I)
0/4 to 20mA (scaleable)
Max. error 0.5% of full scale
Mains
Motor
DC-Bus
110kHz (Push-pull driven)
5kHz (open collector)
see section on Digital input
Max. error: 0.1% of full scale
Max. error: 0.8% of full scale
68 (P,TX+, RX+), 69 (N,TX-, RX-)
Common for terminals 68 and 69
structions
2
53, 54
approx. 10 kΩ
± 20V
approx. 200 Ω
30mA
10 bit (+ sign)
200Hz
2
29, 33
4Hz
28V DC
approx. 4kΩ
1
42
0/4 - 20mA
500 Ω
8 bit
2
27, 29 1)
0 - 24V