Danfoss VLT series User Manual

Resolution for analog inputs 10 bit (+ sign)
Accuracy of analog inputs Maximum error 0.5% of full scale
Bandwidth 100 Hz
The analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Mains
Functional
isolation
PELV isolation
Motor
DC-Bus
High
voltage
Control
+24V
RS485
18
37
130BA117.10
Illustration 5.1 PELV Isolation
Pulse/encoder inputs
Programmable pulse/encoder inputs 2/1
Terminal number pulse/encoder 29
1)
, 33
2)
/32
3)
, 33
3)
Maximum frequency at terminal 29, 32, 33 110 kHz (Push-pull driven)
Maximum frequency at terminal 29, 32, 33 5 kHz (Open collector)
Minimum frequency at terminal 29, 32, 33 4 Hz
Voltage level See section 5-1* Digital Inputs in the programming guide.
Maximum voltage on input 28 V DC
Input resistance, R
i
Approximately 4 kΩ
Pulse input accuracy (0.1–1 kHz) Maximum error: 0.1% of full scale
Encoder input accuracy (1–11 kHz) Maximum error: 0.05% of full scale
The pulse and encoder inputs (terminals 29, 32, 33) are galvanically isolated from the supply voltage (PELV) and other high-
voltage terminals.
1) FC 302 only.
2) Pulse inputs are 29 and 33.
3) Encoder inputs: 32=A, 33=B.
Digital output
Programmable digital/pulse outputs 2
Terminal number 27, 29
1)
Voltage level at digital/frequency output 0–24 V
Maximum output current (sink or source) 40 mA
Maximum load at frequency output 1 kΩ
Maximum capacitive load at frequency output 10 nF
Minimum output frequency at frequency output 0 Hz
Maximum output frequency at frequency output 32 kHz
Accuracy of frequency output Maximum error: 0.1% of full scale
Resolution of frequency outputs 12 bit
1) Terminal 27 and 29 can also be programmed as input.
The digital output is 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 to 20 mA
Maximum load GND - analog output less than 500 Ω
Accuracy on analog output Maximum error: 0.5% of full scale
Resolution on analog output 12 bit
The analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
General Specications Operating Instructions
MG34Q402 Danfoss A/S © 04/2016 All rights reserved. 73
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Danfoss VLT series Specifications

General

Series	VLT
Category	DC Drives
Output Voltage	0-100% of input voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Overtemperature, Short Circuit, Ground Fault
Communication Interfaces	Profibus, CANopen
Enclosure Rating	IP20, IP21, IP55, IP66
Cooling Method	Forced Air Cooling, Convection Cooling
Control Mode	Sensorless Vector, Closed Loop Vector
Ambient Temperature	-10°C to +50°C (14°F to 122°F)