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ManualsBrandsSiemens ManualsBuilding automationDesigo DXR Room Automation Stations DXR2.M12P Data Sheet

Table Of Contents

Desigo® DXR

Room Automation S

tations

DXR2.M12P

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.

●

Internal 0…500 Pa (0…2 in WC) differential pressure sensor

●

Mounted on standard DIN rails or on the wall.

●

Plug-in terminal blocks.

A6V10502838

Smart Infrastructure

2021-07-19

Building Products

Summary of content (10 pages)

PAGE 1
Desigo® DXR Room Automation Stations DXR2.M12P 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. ● ● ● ● ● ● ● ● A6V10502838 2021-07-19 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 ● Separate maximum and minimum flow setpoints for both heating and cooling control. ● Separate minimum ventilation flow setpoints for each occupancy mode.
PAGE 4
Type summary Product Number SSN DXR2.M12P-102B (Version with 30 data points) DXR2.M12P-102K (Version with 30 data points) DXR2.M12PX-102B (Version with 60 data points*) DXR2.M12PX-102K (Version with 60 data points*) * Description Inputs Outputs S55376-C123 DXR2.M12P Room Automation Station 1 DI, 2 UI, ΔP sensor 6 DO Triacs, 2 AO 0 to 10V S55376-C152 Smoke Control DXR2.M12P Room Automation Station 1 DI, 2 UI, ΔP sensor 6 DO Triacs, 2 AO 0 to 10V S55374-C251 DXR2.
PAGE 5
Technical data Housing Color RAL 7035 (light-gray) Dimensions 180 mm (7.09 in) x 104.5 mm (4.11 in) x 59.5 mm (2.34 in) Weight Packaging ca. 340 g (11.99 oz) ca. 40 g (1.41 oz) Function data Communication A/D Resolution (analog in) D/A Resolution (analog out) 14 Bits 12 Bits 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 Max.
PAGE 6
Inputs Analog Inputs Resistance sensor Temperature measurement Voltage measurement AI 1000 Ω AI PT1K 375 (NA)*) AI 0 to 10V AI 2500 Ω AI PT1K 385 (EU)*) AI 0 to 10V (0 to 100%) AI 10 KΩ AI (LG-)Ni1000*) AI 100 KΩ AI Ni1000 DIN*) AI T1 (PTC)*) AI NTC10K (Type II)**) AI NTC100K**) * A fixed value of 1 Ω is calibrated to correct line resistance. ** Configurable default. Digital Inputs Contact voltage Universal input: 18V Digital input: 21V Contact current Universal input: 1.2 mA; 7.
PAGE 7
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 Connections Interfaces MSTP Interface type: RS485 Galvanic isolation: Yes Baud rates: 9600, 19200, 38400, 57600, 115200 Protocol: BACnet over MS/TP Short-circuit proof Protection against faulty wiring at max.
PAGE 8
KNX/PL-Link Network and Power Wriring.
PAGE 9
PAGE 10
Standards, Directives and Approvals UL Listing UL 916 PAZX - Conforms to UL916 9th and 10th Edition. UL 864 UUKL Smoke Control Equipment Conforms to UL864 9th and 10th Edition. (Smoke Control ‘K’ variant only) Suitable for plenum area installation UL1995 Federal Communications Commission FCC CFR 47 Part 15 Class B CSA Compliance and cUL certification C22.2 No.