Data Sheet for Product

ManualsBrandsSiemens ManualsBuilding automationDesigo DXR Room Automation Stations DXR2.M18 Data Sheet

A6V10502840

Smart Infrastructure

2020-07-31

Building Products

Desigo® Room Automation

Room Automation stations

DXR2.M18

Automation station with increased functionality and flexibility to support the demands

for standard control of terminal HVAC equipment and Total Room Automation (TRA)

applications. TRA offers the highest level of flexibility for energy-optimized solutions

without sacrificing comfort.

●

Compact, programmable room automation stations for HVAC, lighting, and

shading.

●

BACnet MS/TP Communication (BTL certified).

●

KNX PL-Link bus to connect sensors, actuators, and operator units (including bus

power).

●

USB interface.

●

Operating voltage AC 24V.

●

Mounted on standard DIN rails or on the wall.

●

Plug-in terminal blocks.

Summary of content (7 pages)

PAGE 1
Desigo® Room Automation Room Automation stations DXR2.M18 Automation station with increased functionality and flexibility to support the demands for standard control of terminal HVAC equipment and Total Room Automation (TRA) applications. TRA offers the highest level of flexibility for energy-optimized solutions without sacrificing comfort. ● Compact, programmable room automation stations for HVAC, lighting, and shading. ● ● BACnet MS/TP Communication (BTL certified).
PAGE 2
Features ● ● ● ● ● Total Room Automation applications combining multiple disciplines (HVAC, lighting, blinds/shading) into one comprehensive solution. BTL Listed as a BACnet Advanced Application Controller (B-AAC) device. Fully programmable using block programming. Proven, pre-loaded applications. Operational modes (Comfort, Standby, Economy, Protection, and so on).
PAGE 3
● Blinds – one or two separate zones – Manual control: Up, Down, Predefined positions – Occupancy control and Vacancy control – Glare Protection – Energy efficiency functions including solar radiation optimization – Slat angle – Scene control Pre-loaded Application Options Fan coil unit ● Single, multiple or variable speed fan control. ● Outside air damper control with economizer.
PAGE 4
Type summary Product Number SSN Description Inputs Outputs DXR2.M18-101B S55376-C124 DXR2.M18 Room Automation Station 2 DI, 4 UI 8 DO Triacs, 4 AO 0 to 10V S55376-C154 Smoke Control DXR2.M18 2 DI, 4 UI Room Automation Station 8 DO Triacs, 4 AO 0 to 10V (Version with 60 data points*) DXR2.
PAGE 5
Power data Power supply Operating voltage AC 24V -15%/+20% Frequency 50/60 Hz Internal fuse 4 A irreversible Transformer with secondary current limitation of max. 10 A or external secondary current fuse Non-renewable fuse Circuit breakers Max. 10 A, slow Max. 13 A, characteristic B, C, D as per EN 60898 Apparent power (VA) for transformer design Base Model DXR2.M18 Base load Max. load Triac output AC 24V~ 0.25 A each Max. load all Aux. outputs AC 24V~ Max. load KNX PL-Link (at 50 mA) Max.
PAGE 6
Outputs Analog Outputs 0 to 10V Max. 1 mA Digital Outputs Type (Switching outputs triacs) High side The Triac closes the contact to AC 24V Switching voltage AC 24V Permissible load 250 mA/6 VA per output (cos phi 0.35) (500 mA/12 VA per output with PWM*) Protection Short-circuit proof DC 24V output for field devices (1: V+) Output voltage DC 24V Permissible load 100 mA/2.
PAGE 7
KNX/PL-Link Network and Power Wriring.