Air Conditioner          
 

Open Network Interface


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Facilitating the network integration of VRV® and LonWorks®

Typical LonWorks® application


Facilitating the network integration of VRV® and LonWorks®

Open network integration

A gateway for connection to LonWorks® network equipment and building control system.
LonWorks® networks are recognised worldwide as the de facto standard in the building control industry.
Systems are available for access control, energy management, fire/life, HVAC, lighting, and more.

Reduction in engineering and cost of wiring

The open protocol specification gives local system integrators complete design freedom.
Plus, the ability to combine individual items of equipment into a LonWorks® network reduces the engineering time and costs required for wiring.

Connectable to up to 64 groups

This unit can be connected to up to 64 groups.
(This figure depends on the number of control and monitoring functions used.)
Please consult your Daikin representative for details.

RoHS-compliant hardware

We have been making efforts to facilitate the transition to RoHS Directive compliance.
*Refer to the back cover for details of the RoHS Directive.

Product description

DMS504B51 Specification

Protocol : LonTalk®
Transmission speed : 78 kbps
Topology : Free topology
Transmission medium : Twist pair

 

Network parameters

In parameter name, 'nn' refers to air-conditioning unit numbers 01 to 64. For 'NV' with 'nn' attached, a total of 64 NV have been prepared ( one for each object ).

Network parameter chart

DIII-NET Common Objects

DIII-NET Common Objects

Air Conditioner Objects

It features objects for a group of 64 indoor units. As shown below, the object name and the last "nn" in the "nv Name" correspond with the DIII-NET location setting address.

Indoor Unit Location Setting Address A/C Object nv Name (Example)
1-00 - 1-15 AC_01 - AC_16 nviOnOff_01 - nviOnOff_16
2-00 - 2-15 AC_17 - AC_32 nviOnOff_17 - nviOnOff_32
3-00 - 3-15 AC_33 - AC_48 nviOnOff_33 - nviOnOff_48
4-00 - 4-15 AC_49 - AC_64 NviOnOff_49 - nviOnOff_64
Air Conditioner Objects
Control and monitor function
Control items
ON/OFF Command Operation Mode Setting
Temperature Setting Airflow Rate Setting
Filter Sign Reset Forced Thermostat OFF Setting
Remote ON/OFF Control Rejection Remote Operation Mode Control Rejection
Remote Temperature Setting Control Rejection System Forced OFF Setting
Sub Group Address Control Rejection Setting  
Monitor items
ON/OFF Status Report Remote Control Operation Mode Setting Rejection Report
Operation Mode Status Report Remote Control Temperature Setting Operation Rejection Report
Temperature Setting Report System Forced OFF Setting Report
Room Temperature Report Sub Group Address Control Operation Rejection Setting Report
Airflow Rate Setting Report A/C Communication Status Report
Filter Sign Report Error Status Report
Error Code Report Thermostat Status Report
Forced Thermostat OFF Setting Status Report Remote ON/OFF Operation Rejection Report
Each item controlled or monitored by the control and monitoring function is subject to a variety of restrictions that are not described here due to space limitations. For details, contact your DAIKIN distributor.

 

Specifications
Item Description
Model name DMS504B51(Interface for use in LonWorks® )
Transmission LonWorks®
FT-X1 (Free topology 78kbps)
Rated power supply Single phase AC 100 to 240V 50/60Hz
Rated power consumption Maximum 5W
Contact input Use no voltage contact ( Forced off ) minimum application load DC16V and 10mA
Operable temperature range -10 to +50°C
Storage temperature range -20 to +60°C
Operable ambient humidity 0 to 95% ( No condensation )
Insulation resistance 50MΩ or more by DC500 megohmmeter
Installation Enclosed in electrical panel
Demensions(W x H x D) 168 x 260 x 50(mm)
Weight 1.5kg

LonWorks®, LON® and LonTalk® are registered tradmarks of Echelon corporation.