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Fine Dust Room Sensors
QSA2700D/QSA2700/AQS2700
A6V11396712
2020-08-17
These sensors acquire the PM2.5 and PM10 concentrations in a room.
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Operating voltage AC/DC 24V
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Signal output 0 to 10 Vdc for PM2.5 and PM10
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Communicative output, Modbus RS485
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Range of use 32°F to 122°F (0 to 50°C)/5 to 95% r.h. (non-condensing)
Smart Infrastructure
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Summary of Contents for Siemens QSA2700D
- Page 1 Fine Dust Room Sensors QSA2700D/QSA2700/AQS2700 These sensors acquire the PM2.5 and PM10 concentrations in a room. ● Operating voltage AC/DC 24V ● Signal output 0 to 10 Vdc for PM2.5 and PM10 ● Communicative output, Modbus RS485 ● Range of use 32°F to 122°F (0 to 50°C)/5 to 95% r.h. (non-condensing)
- Page 2 The fine dust room sensor is designed to measure and transmit indoor concentrations of PM2.5 and PM10. ● 0 to 10V and Modbus output ● Configurable Modbus parameters ● Quick configuration (on-event addressing) with Siemens Climatix controller ● QSA2700: – 3-color LED service indication ●...
- Page 3 See Modbus registers (Software version 1.2.12) [➙ 9] and Modbus registers (Software version 1.3.13) [➙ 10] for more information. Push button operations for Modbus resetting and configuration QSA2700: On-event addressing is a rapid configuration approach working together with Siemens Climatix controllers. The sensor is wired and connected to the Climatix controller via Modbus.
- Page 4 >13 seconds Returns to the Cancel resetting if releasing Release after 13 seconds, resetting is initial status the button cancelled. Remark: Only Modbus address, baud rate and transmission format are reset to factory default. Siemens A6V11396712 Smart Infrastructure 2020-08-17...
- Page 5 QSA Series Fine Dust Sensors with Selectable Submittal sheet A6V11380383 Measuring Range All documentation can be downloaded at http://siemens.com/bt/download. Notes Security CAUTION National safety regulations Failure to comply with national safety regulations may result in personal injury and property damage.
- Page 6 Proximity sensor ● The QSA2700D includes a built-in proximity sensor and enters into energy efficient mode if no obstacle is detected in front of the sensor (within 3 feet [1 m] for several minutes). In energy efficient mode, the screen is off and the sensor is working and transmitting the signals at regular intervals.
- Page 7 European Directive and may not be disposed of as domestic garbage. ● Dispose of the device through channels provided for this purpose. ● Comply with all local and currently applicable laws and regulations. Siemens A6V11396712 Smart Infrastructure 2020-08-17...
- Page 8 50/60 Hz @ AC 24V Power consumption 4 VA Functional data for PM2.5 ● 0 to 500 μg/m Measuring range (selectable) QSA2700D: Select using user interface ● 0 to 300 μg/m QSA2700: Select using Modbus register 216 ● 0 to 100 μg/m ●...
- Page 9 Register number 768 (Bus configuration command) is for Climatix on-event addressing configuration. ● Software version format: major version is 1 byte, minor version is 1 byte and build version is 2 bytes, such as [2.01.33] = 0x02010021. Siemens A6V11396712 Smart Infrastructure 2020-08-17...
- Page 10 & relative humidity Enable temperature and relative 0: disable (default) humidity display via bus 1: enable Major and minor 1286 Software version version 1287 Software version Build version Modbus address 1 to 247 Siemens A6V11396712 Smart Infrastructure 2020-08-17...
- Page 11 ● Bus configuration command (768) is for on-event addressing only. ● Software version format: major version is 1 byte, minor version is 1 byte and build version is 2 bytes, such as [2.01.33] = 0x02010021. Siemens A6V11396712 Smart Infrastructure 2020-08-17...
- Page 12 Electromagnetic compatibility CE standard EN 60730-1 Immunity EN 61 000-6-2 Emissions EN 61 000-6-3 EU conformity declaration A6V11277342 *) *) The document can be downloaded at http://siemens.com/bt/download. General data Color White Weight 140 g Display (QSA2700D) Screen Color, no touch Working status Only active when people in front within 3 feet [1 m] (±10%);...
- Page 13 U2: Signal output DC 0 to 10V for PM10 with selected range in μg/m3 Gu: Signal ground for U1 and U2 +,-, Ref: Modbus signal Dimensions NOTE: Use an ARG70 adapter plate (sold seperately) to mount a QSA2700/QSA2700D sensor on a 2“ × 4“ box. Siemens A6V11396712 Smart Infrastructure...
- Page 14 Issued by Siemens Industry, Inc. Technical specifications and availability subject to change without notice. Smart Infrastructure 1000 Deerfield Parkway Buffalo Grove, IL 60089 Tel. +1 847-215-1000 Siemens A6V11396712 Smart Infrastructure 2020-08-17 Document ID A6V11396712 Edition 2020-08-17...