Danfoss VLT AutomationDrive FC 300 Operating Instructions Manual page 78

Specifications
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.
Illustration 10.1
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
Max. output current (sink or source)
Max. load at frequency output
Max. capacitive load at frequency output
®
VLT Automation Drive D-Frame
Operating Instructions
PELV isolation
+24V
Control
18
High
voltage
37
Functional
isolation
RS485
®
MG34U202 - VLT is a registered Danfoss trademark
Switch A53/A54=(U)
-10 V to +10 V (scaleable)
Switch A53/A54=(I)
0/4 to 20 mA (scaleable)
Max. error 0.5% of full scale
Mains
Motor
DC-Bus
110 kHz (Push-pull driven)
5 kHz (open collector)
see 10.2.1 Digital Inputs
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
approx. 10 kΩ
±20 V
approx. 200 Ω
30 mA
10 bit (+ sign)
100 Hz
2
29, 33
10 10
4 Hz
28 V DC
approx. 4 kΩ
1
42
0/4-20 mA
500 Ω
8 bit
2
1)
27, 29
0-24 V
40 mA
1 kΩ
10 nF
75