Danfoss VLT AQUA Drive Design Manual page 52

3. VLT AQUA Selection
Cable lengths and cross-sections:
Max. motor cable length, shielded/armored
Max. motor cable length, unshielded/unarmored
Max. cross-section to motor, line power, load sharing and brake *
Maximum cross-section to control terminals,
rigid wire
3
Maximum cross-section to control terminals, flexible cable
Maximum cross-section to control terminals, cable with en-
closed core
Minimum cross-section to control terminals
* See Line Supply tables for more information!
Control card, RS-485 serial communication:
Terminal number
Terminal number 61
The RS-485 serial communication circuit is functionally separated from other central circuits and
galvanically isolated from the supply voltage (PELV).
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
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.
52
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MG.20.N2.22 - VLT ® is a registered Danfoss trademark.
VLT
VLT AQUA Drive: 492 ft [150 m]
VLT AQUA Drive: 984 ft [300 m]
0.0023 in. 2 [1.5 mm 2 ]/16 AWG (2 x 0.0012 in.
2
0.0016 in.
0.00078 in. 2 [0.5 mm
0.00039 in.
68 (P,TX+, RX+), 69 (N,TX-, RX-)
Common for terminals 68 and 69
Switch S201 and switch S202
Switch S201/switch S202 = OFF (U)
: 0 to + 10 V (scaleable)
Switch S201/switch S202 = ON (I)
0/4 to 20 mA (scalable)
Max. error 0.5% of full scale
® AQUA Drive Design Guide
2
[2 x 0.75 mm 2 ])
2
[1 mm ]/18 AWG
2 ]/20 AWG
2 [0.25 mm 2 ]
2
53, 54
Voltage or current
approx. 10 kΩ
± 20 V
approx. 200 Ω
30 mA
10 bit (+ sign)
: 200 Hz