Danfoss VLT AQUA FC 202 Operating Instructions Manual page 120

General Specifications
1) Terminals 27 and 29 can also be programmed as output.
Analog inputs
Number of analog inputs
Terminal number
Modes
Mode select
Voltage mode
Voltage level
Input resistance, R
Max. voltage
Current mode
Current level
Input resistance, R
Max. current
6 6
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 6.1 PELV Isolation of Analog Inputs
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
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).
118
VLT AQUA Drive FC 202 Operation Instructions
i
i
+24V
18
37
Functional
isolation
RS485
i
PELV isolation
Control
Mains
High
Motor
voltage
DC-Bus
MG20P402 - Rev. 2013-12-16
53, 54
Voltage or current
Switch S201 and switch S202
Switch S201/switch S202 = OFF (U)
0 to +10 V (scaleable)
approx. 10 kΩ
±20 V
Switch S201/switch S202 = ON (I)
0/4 to 20 mA (scaleable)
approx. 200 Ω
30 mA
10 bit (+ sign)
Max. error 0.5% of full scale
200 Hz
29, 33
110 kHz (Push-pull driven)
5 kHz (open collector)
see Digital inputs
28 V DC
approx. 4 kΩ
Max. error: 0.1% of full scale
0/4-20 mA
500 Ω
Max. error: 0.8% of full scale
68 (P,TX+, RX+), 69 (N,TX-, RX-)
Common for terminals 68 and 69
2
2
4 Hz
1
42
8 bit