Danfoss VLT HVAC Drive FC 102 Instruction Manual page 117

General Specifications
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 7.1 PELV Isolation of Analog Inputs
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, 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
Maximum output current (sink or source)
MG11F522
Instruction Manual
PELV isolation
+24V
Control
18
High
voltage
37
Functional
isolation
RS485
Danfoss A/S © 08/2014 All rights reserved.
switch S201/S202=On (I)
0/4-20 mA (scaleable)
maximum error 0.5% of full scale
Mains
Motor
DC-Bus
110 kHz (push-pull driven)
5 kHz (open collector)
see Digital inputs
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
approx. 10 kΩ
±20 V
approx. 200 Ω
30 mA
10 bit (+ sign)
200 Hz
7 7
2
29, 33
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
115