Danfoss VLT HVAC Design Guide

Input:
Control command
You can start and stop the connected motor by means of LCP and the
digital inputs.
Functions are divided into two groups.
Functions in group 1 have higher priority than functions in group 2.
Group 1
Reset, Coasting stop, Reset and Coasting stop, Quick-stop, DC
braking, Stop and the "Off" key.
Group 2
Start, Pulse start, Reversing, Start reversing, Jog and Freeze
output
Motor:
f
JOG
The motor frequency when the jog function is activated (via digital terminals).
f
M
The motor frequency.
f
MAX
The maximum motor frequency.
f
MIN
The minimum motor frequency.
f
M,N
The rated motor frequency (nameplate data).
I
M
The motor current.
I
M,N
The rated motor current (nameplate data).
n
M,N
The rated motor speed (nameplate data).
P
M,N
The rated motor power (nameplate data).
T
M,N
The rated torque (motor).
U
M
The instantaneous motor voltage.
U
M,N
The rated motor voltage (nameplate data).
Break-away torque
1 How to Read this Design Guide VLT
®
HVAC Drive Design Guide
6 MG.11.B9.02 - VLT
®
is a registered Danfoss trademark
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Danfoss VLT HVAC Specifications

General

Enclosure Rating	IP20, IP21, IP54, IP55, IP66
Storage Temperature Range	-25°C to +70°C
Output Voltage Range	0-100% of supply voltage
Communication Protocols	Modbus RTU, BACnet, Ethernet/IP, Profibus DP
Ambient Temperature Range	-10°C to +50°C (without derating)
Relative Humidity	5% to 95% non-condensing
Altitude	Up to 1000 m without derating
Cooling Method	Air cooled
Application	HVAC systems, Pumps, Fans, Compressors
Voltage Range	200-240 V, 380-500 V, 525-600 V
Frequency Range	0 Hz to 590 Hz