Danfoss vlt aqua Design Guide

Cable lengths and cross-sections:
Max. motor cable length, shielded/armored VLT AQUA Drive: 492 ft [150 m]
Max. motor cable length, unshielded/unarmored VLT AQUA Drive: 984 ft [300 m]
Max. cross-section to motor, line power, load sharing and brake *
Maximum cross-section to control terminals, rigid wire 0.0023 in
2
[1.5 mm
2
]/16 AWG (2 x 0.00112
2
in [0.75 mm
2
])
Maximum cross-section to control terminals, flexible cable 0.0016 in
2
[1 mm
2
]/18 AWG
Maximum cross-section to control terminals, cable with enclosed core 0.0008 in
2
[0.5 mm
2
]/20 AWG
Minimum cross-section to control terminals 0.25 mm
2
* See Line Power Supply tables for more information!
Control card, RS-485 serial communication:
Terminal number 68 (P,TX+, RX+), 69 (N,TX-, RX-)
Terminal number 61 Common for terminals 68 and 69
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 2
Terminal number 53, 54
Modes Voltage or current
Mode select Switch S201 and switch S202
Voltage mode Switch S201/switch S202 = OFF (U)
Voltage level : 0 to + 10 V (scaleable)
Input resistance, R
i
approx. 10 kΩ
Max. voltage ± 20 V
Current mode Switch S201/switch S202 = ON (I)
Current level 0/4 to 20 mA (scaleable)
Input resistance, R
i
approx. 200 Ω
Max. current 30 mA
Resolution for analog inputs 10 bit (+ sign)
Accuracy of analog inputs Max. error 0.5% of full scale
Bandwidth : 200 Hz
The analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Analog output:
Number of programmable analog outputs 1
Terminal number 42
Current range at analog output 0/4–20 mA
Max. resistor load to common at analog output 500 Ω
Accuracy on analog output Max. error: 0.8% of full scale
Resolution on analog output 8 bit
The analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
VLT
®
AQUA Drive Design Guide 3 VLT AQUA Selection
MG.20.N5.22 - VLT
®
is a registered Danfoss trademark 3-15
3

Danfoss vlt aqua Specifications

General

Supply Voltage	200-240V, 380-500V, 525-600V
Enclosure	IP20
Features	Energy optimization
Approvals	CE, UL, cUL
Input Voltage Range	200-240V, 380-500V, 525-600V
Output Voltage Range	0 to supply voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Short circuit, Ground fault
Communication Interfaces	PROFIBUS
Cooling Method	Air-cooled