Danfoss VLT AutomationDrive FC 302 Instruction Manual page 69

Specifications
Voltage mode
Voltage level
Input resistance, R
i
Maximum voltage
Current mode
Current level
Input resistance, R
i
Maximum 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.
Figure 8.1 PELV Isolation
Pulse inputs
Programmable pulse inputs
Terminal number pulse
Maximum frequency at terminal, 29, 33
Maximum frequency at terminal, 29, 33
Minimum 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
Maximum 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, RS485 serial communication
Terminal number
Terminal number 61
The RS485 serial communication circuit is functionally separated from other central circuits and galvanically isolated from the
supply voltage (PELV).
MG34U422
Instruction Manual
PELV isolation
+24V
Control
18
High
voltage
37
Functional
isolation
RS485
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Switch A53/A54=(U)
-10 V to +10 V (scaleable)
approximately 10 kΩ
Switch A53/A54=(I)
0/4 to 20 mA (scaleable)
approximately 200 Ω
Maximum error 0.5% of full scale
Mains
Motor
DC-Bus
110 kHz (push-pull driven)
5 kHz (open collector)
see chapter 8.6.1 Digital Inputs
approximately 4 kΩ
Maximum error: 0.1% of full scale
Maximum error: 0.8% of full scale
68 (P,TX+, RX+), 69 (N,TX-, RX-)
Common for terminals 68 and 69
±20 V
30 mA
10 bit (+ sign)
100 Hz
8 8
2
29, 33
4 Hz
28 V DC
1
42
0/4–20 mA
500 Ω
8 bit
67