Danfoss VLT HVAC Series User Manual

3.9.4 8-3* Adjustable Frequency Drive Port Settings
Parameters for configuring the Adjustable Frequency Drive Port.
8-30 Protocol
Option: Function:
Protocol selection for the integrated Adjustable Frequency Drive (standard) Port (RS 485) on the
control card.
Parameter group 8-7* is only visible when Adjustable Frequency Drive Option [9] is chosen.
[0] * FC Communication according to the FC protocol as described in the
VLT HVAC Drive Design Guide, RS
485 Installation and Set-up
.
[1] FC MC Same as Adjustable Frequency Drive [0] but to be used when downloading SW to the adjustable
frequency drive or uploading dll files (containing information regarding parameters available in the
adjustable frequency drive and their interdependencies) to the Motion Control Tool MCT10.
[2] Modbus RTU Communication according to the Modbus RTU protocol as described in the
VLT HVAC Drive Design
Guide, RS 485 Installation and Set-up
.
[3] Metasys N2 Communication protocol. The N2 software protocol is designed to be general in nature in order to
accommodate the unique properties each device may have. Please see separate manual
VLT HVAC
Drive Metasys MG.11.Gx.yy
.
[9] FC Option To be used when a gateway is connected to the integrated RS 485 port, e.g., the BACnet gateway.
The following changes will take place:
-The address for the adjustable frequency drive port will be set to 1 and par. 8-31 Address, is now
used to set the address for the gateway on the network, e.g., BACnet.
Please see separate manual VLT HVAC Drive BACnet, MG.11.Dx.yy.
-The baud rate for theadjustable frequency drive port will be set to a fixed value (115,200 Baud)
and par. 8-32 Baud Rate, is now used to set the baud rate for the network port (e.g., BACnet) on
the gateway.
[20] LEN
NOTE!
Further details can be found in the BACnet and Metasys manuals.
8-31 Address
Range: Function:
1. N/A* [1. - 126. N/A] Enter the address for the adjustable frequency drive (standard) port.
Valid range: 1–126.
3 Parameter Description VLT
®
HVAC Drive Programming Guide
3-94 MG.11.C6.22 - VLT
®
is a registered Danfoss trademark
3

Danfoss VLT HVAC Series Specifications

General

Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short circuit
Communication Interfaces	Profibus, Ethernet
Cooling Method	Forced convection
Ambient Temperature	-10°C to +40°C
Enclosure Rating	IP20, IP21, IP55
Output Voltage	0 - 100% of supply voltage