Danfoss VLT HVAC Design Guide

3.1.3 Digital Inputs - Terminal X30/1-4
Parameters for set-up: 5-16, 5-17 and 5-18
Number of digital
inputs
Voltage level Voltage levels Tolerance Max. Input impedance
3 0-24 V DC PNP type:
Common = 0 V
Logic “0”: Input < 5 V DC
Logic “0”: Input > 10 V DC
NPN type:
Common = 24 V
Logic “0”: Input > 19 V DC
Logic “0”: Input < 14 V DC
± 28 V continuous
± 37 V in minimum 10 sec.
Approx. 5 k ohm
3.1.4 Analog Voltage Inputs - Terminal X30/10-12
Parameters for set-up: 6-3*, 6-4* and 16-76
Number of analog voltage inputs Standardized input signal Tolerance Resolution Max. Input impedance
2 0-10 V DC ± 20 V continuously 10 bits Approx. 5 K ohm
3.1.5 Digital Outputs - Terminal X30/5-7
Parameters for set-up: 5-32 and 5-33
Number of digital outputs Output level Tolerance Max.impedance
2 0 or 24 V DC ± 4 V ≥ 600 ohm
3.1.6 Analog Outputs - Terminal X30/5+8
Parameters for set-up: 6-6* and 16-77
Number of analog outputs Output signal level Tolerance Max.impedance
1 0/4 - 20 mA ± 0.1 mA < 500 ohm
VLT
®
HVAC Drive Design Guide 3 VLT HVAC Drive Selection
MG.11.B9.02 - VLT
®
is a registered Danfoss trademark 53
3

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