Bridgetek LDSBus User manual

Copyright © Bridgetek Pte Ltd 1
LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
1Introduction
The LDSBus Multi Sensor consists of 4 sensors
in a compact low-profile design. Temperature,
humidity, Passive Infra-Red (PIR) based
motion detection and ambient light
measurement sensors are incorporated in this
multi-sensor device. Available in 4in1 and 3in1
(without motion detector) combinations, the
device can be flush mounted on ceilings or
swivel mounted on walls. The multi-sensor
works with the Bridgetek PanL Smart Living,
IoTPortal and LDSBus Python SDK products.
1.1 Features
3in1 and 4in1 combination options
3 levels of motion sensitivity with
customizable motion re-trigger interval and
wide angle of motion detection
Measures temperature up to 70oC with
accuracy of ±0.2°C
Measures humidity from 0 to 95% with
accuracy of ±2%RH
Measures ambient light up to 64K Lux
Implements the Bridgetek LDSBus protocol.
Low power consumption 5V, 180mW
Operating temperature range : 0oC to +70oC
Swivel mount and Flush mount options
Supported platform application:
Bridgetek PanL Smart Living, IoTPortal and
LDSBus Python SDK
(Visit http://bit.ly/ldsbus-resources)
Neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or reproduced
in any material or electronic form without the prior written consent of the copyright holder. This product and its documentation are
supplied on an as-is basis and no warranty as to their suitability for any particular purpose is either made or implied. Bridgetek Pte Ltd
will not accept any claim for damages howsoever arising as a result of use or failure of this product. Your statutory rights are not
affected. This product or any variant of it is not intended for use in any medical appliance, device or system in which the failure of the
product might reasonably be expected to result in personal injury. This document provides preliminary information that may be subject
to change without notice. No freedom to use patents or other intellectual property rights is implied by the publication of this document.
Bridgetek Pte Ltd, 178 Paya Lebar Road, #07-03, Singapore 409030. Singapore Registered Company Number: 201542387H
LDSBus Multi Sensor
Datasheet

Copyright © Bridgetek Pte Ltd 2
LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
2Part Numbers
Part#
Naming
LS010101A
LDSBus 4in1 Sensor (Motion, Temperature, Humidity & Brightness)-Flush
LS011101A
LDSBus 4in1 Sensor (Motion, Temperature, Humidity & Brightness)-Swivel
LS010201A
LDSBus 3in1 Sensor (Temperature, Humidity & Brightness)-Flush
LS011201A
LDSBus 3in1 Sensor (Temperature, Humidity & Brightness)-Swivel

Copyright © Bridgetek Pte Ltd 3
LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
Table of Contents
1Introduction.................................................................... 1
2Part Numbers .................................................................. 2
3Product Specifications..................................................... 4
4Hardware Features.......................................................... 5
5PIR Sensor Detection Range ........................................... 6
5.1 Flush Mount .............................................................................. 6
5.2 Swivel Mount ............................................................................ 7
6Configuration, Installation & Application ........................ 8
6.1 Connection Diagram.................................................................. 8
7Mounting Instructions..................................................... 9
7.1 Flush Mount .............................................................................. 9
7.2 Swivel Mount .......................................................................... 10
8System Status LED Indicators ....................................... 13
9Mechanical Dimension................................................... 14
10 Contact Information...................................................... 15
Appendix A - References .................................................... 16
Document References ..................................................................... 16
Acronyms and Abbreviations ........................................................... 16
Appendix B - List of Figures and Tables ............................. 17
List of Figures ................................................................................. 17
List of Tables ................................................................................... 17
Appendix C –Revision History ........................................... 18

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LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
3Product Specifications
Features
Sensors
PIR Sensor
Ambient Light Sensor
Temperature Sensor
Humidity Sensor
Interface
RS485
LED Indicator (RGB)
System Status Indicator (Please refer to LED
section)
Mounting
Flush Mount - Fixed Angle Installation
Swivel Mount –Adjustable Angle Installation
Power
Input Voltage
5V DC Bus Power
Max. Power
180mW
PIR Sensor
(For 4in1 only)
Detection Range(Swivel)
≤7 Meters (3 motion sensitivity levels -3m,5m,7m)
Max Install Height (Flush)
3 Meters
Motion Angle
102.6 Degrees
Motion re-trigger Interval
0-255 Seconds (Time lapse for motion to be
reported again)
Ambient Light
Sensor
Range
0 to 64000 Lux
Temperature
Sensor
Range
0°C to 70°C (32F to 158F)
Accuracy
±0.2°C (±32.36F)
Resolution
0.1°C
Humidity Sensor
Range
0 to 95% RH
Accuracy
±2% RH
Physical
Characteristics
Color
White
Housing
Polycarbonate
Dimensions
62mm x H25mm (Flush) or 62mm x H60mm
(Swivel)
Environmental
Limits
Operating Temperature
0 to 70°C
Storage Temperature
-20 to 85°C
Ambient Relative Humidity
5 to 95% (non-condensing)
Package Contents
Device
1X LDSBus Multi Sensor with Flush Mount (or)
1X LDSBus Multi Sensor with Swivel Mount
Wire Assembly
1X 5m RJ12-JST Cable
Self-Tapping Screws
2X M3*16mm(Thread)
Documentation
1x Quick Start Guide
Table 1 - LDSBus Multi Sensor Specifications

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LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
4Hardware Features
Figure 1 - LDSBus Multi Sensor Hardware Features
PIR Sensor
System Status
LED Indicator
Temperature
& Humidity
Sensor
Mounting Screws Location
Ambient Light Sensor
Flush Mount Bracket

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LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
5PIR Sensor Detection Range
5.1 Flush Mount
Figure 2 –LDSBus Multi Sensor - Flush Mount –Top View Projection
Figure 3 –LDSBus Multi Sensor - Flush Mount - Side View Projection
Major Motion Minor Motion

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LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
5.2 Swivel Mount
Figure 4 –LDSBus Multi Sensor - Swivel Mount - Side View Projection
Figure 5 –LDSBus Multi Sensor - Swivel Mount - Top View Projection
Major Motion Minor Motion
Recommendation:
To avoid false motion detection, it is recommended to install the device away from direct light sources
and heat generating equipment.

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LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
6Configuration, Installation & Application
Please visit http://bit.ly/ldsbus-resources to access the LDSBus Configuration Utility guide on how to
configure the device name, device address and termination settings before using it for your specific
application.
6.1 Connection Diagram
Figure 6 illustrates the connection of the LDSBus Multi Sensor (LDSBus Device) to the LDS Bus. For more
detailed information on device installation, setup, and application, please visit http://bit.ly/ldsbus-
resources.
Figure 6 - LDSBus Multi Sensor to LDSBus - Connection Diagram
Setup Instructions:
1. Connect the first LDSBus HVT-Junction to any of the LDSBus Host Systems using an RJ45 (CAT5e)
cable.
2. Connect the configured LDSBus Multi Sensor to the LDSBus HVT-Junction as shown in Figure 6.
3. If there is more than one LDSBus HVT-Junction, chain them together as shown in Figure 6.

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LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
7Mounting Instructions
Before mounting, ensure that the device has been configured using the LDSBus Configuration Utility.
7.1 Flush Mount
When flush mounting, it is assumed that the device is being mounted on a flat hollow surface behind
which the LDSBus RJ12 cable is hidden and made available through an opening. Figure 7 shows the front
face of the LDSBus Multi Sensor device. Note the lock/unlock direction on the cover.
Figure 7 - LDSBus Multi Sensor
Follow these steps to fix the swivel mount –
1. Unlock the back cover. Twist the top cover in the anti-clockwise direction to unlock.
2. Make two holes in the back cover using the indentations as guides.
Holes

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LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
3. Prepare the ceiling and route the RJ12-JST cable through the ceiling opening. Run the LDSBus
RJ12-JST cable through the centre (hole) of the back cover and fasten the back cover to the
ceiling with self-tapping screws as shown in the picture below -
4. Attach the cable to the JST connector of the sensor.
5. Twist lock the front face, in a clockwise direction, to attach it to the back cover.
7.2 Swivel Mount
The swivel mount is shown in Figure 8.
Figure 8 –LDSBus Multi Sensor - Swivel Mount –Top & Bottom View
Follow these steps to fix the swivel mount –
1. Choose the position for the wall mount and drill holes for mounting the swivel mount on the wall.
2. Route and affix the LDSBus RJ11 cable on the wall through a buried or wall mounted conduit to
butt against the base of the swivel mount.
Top View
Bottom View

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LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
3. Break off one of the three cable entry locations on the base plate for cable routing.
4. Connect the RJ11 JST cable to the JST connector (Swivel Mount bottom section) as shown in the
Figure.
5. Fasten the swivel mount to the wall using the mounting screws. Ensure that the cable is sitting in
the cable entry slot.
6. Remove the sensor from the flush mount back cover by turning it in an anti-clockwise direction.
7. Connect the JST cable from the top section of the swivel mount to the JST connector located on
the back of the device.
Cable Entry
JST Cable
JST Connector
RJ11 JST Cable
JST Connector

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LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
8. Attach the device to the top section of the swivel mount.
9. Turn the device clockwise to secure it to the swivel mount.

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LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
8System Status LED Indicators
LDSU devices come with a tri-color LED. The LED status colors are described in the table below.
Status display colors
1. RED - Device in error condition
2. YELLOW - Un-configured device
3. GREEN - Device in normal state (Device termination is OFF)
4. BLUE - Device in normal state (Device termination is ON)
Device Status
LED Color
Flashing
Frequency
Description
Un-configured
device
YELLOW
LED flashing
@1Hz
Un-configured device with factory default
address (126)
Configured
device
GREEN
Steady –Non-
flashing
Configured device (Device ID 1-125) and
device is idle.
BLUE
Addressed
device
GREEN
LED flashing
@5Hz
Device is busy communicating.
BLUE
Identified
device
GREEN
LED flashing
@1Hz
Device in identify state.
BLUE
Device error
RED
Steady –Non-
flashing
Device error has occurred.
Firmware
update
YELLOW
Steady –Non-
flashing
Device firmware update.
Table 2 –LDSBus Multi Sensor –System Status LED Indicator

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LDSBus Multi Sensor Datasheet
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Document Reference No.: BRT_000360 Clearance No.: BRT#181
9Mechanical Dimension
Figure 9 –LDSBus Multi Sensor Dimension –Top View
Figure 10 –LDSBus Multi Sensor Dimension –Side View
Note: All dimensions are in millimetres.

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LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
10 Contact Information
Head Quarters –Singapore
Branch Office –Taipei, Taiwan
Bridgetek Pte Ltd
178 Paya Lebar Road, #07-03
Singapore 409030
Tel: [phone]
Fax: [phone]
Bridgetek Pte Ltd, Taiwan Branch
2 Floor, No. 516, Sec. 1, Nei Hu Road, Nei Hu
District
Taipei 114
Taiwan, R.O.C.
Tel: [phone]
Fax: [phone]
E-mail (Sales)
[e-mail]
E-mail (Sales)
[e-mail]
E-mail (Support)
[e-mail]
E-mail (Support)
[e-mail]
Branch Office - Glasgow, United Kingdom
Branch Office –Vietnam
Bridgetek Pte. Ltd.
Unit 1, 2 Seaward Place, Centurion Business Park
Glasgow G41 1HH
United Kingdom
Tel: [phone]
Fax: [phone]
Bridgetek VietNam Company Limited
Lutaco Tower Building, 5th Floor, 173A Nguyen Van
Troi,
Ward 11, Phu Nhuan District,
Ho Chi Minh City, Vietnam
Tel : [phone]
Fax : [phone]
E-mail (Sales)
[e-mail]
E-mail (Sales)
[e-mail]
E-mail (Support)
[e-mail]
E-mail (Support)
[e-mail]
Web Site
http://brtchip.com/
Distributor and Sales Representatives
Please visit the Sales Network page of the Bridgetek Web site for the contact details of our distributor(s) and sales
representative(s) in your country.
System and equipment manufacturers and designers are responsible to ensure that their systems, and any Bridgetek Pte Ltd (BRTChip)
devices incorporated in their systems, meet all applicable safety, regulatory and system-level performance requirements. All application-
related information in this document (including application descriptions, suggested Bridgetek devices and other materials) is provided for
reference only. While Bridgetek has taken care to assure it is accurate, this information is subject to customer confirmation, and Bridgetek
disclaims all liability for system designs and for any applications assistance provided by Bridgetek. Use of Bridgetek devices in life support
and/or safety applications is entirely at the user’s risk, and the user agrees to defend, indemnify and hold harmless Bridgetek from any and
all damages, claims, suits or expense resulting from such use. This document is subject to change without notice. No freedom to use
patents or other intellectual property rights is implied by the publication of this document. Neither the whole nor any part of the
information contained in, or the product described in this document, may be adapted or reproduced in any material or electronic form
without the prior written consent of the copyright holder. Bridgetek Pte Ltd, 178 Paya Lebar Road, #07-03, Singapore 409030. Singapore
Registered Company Number: 201542387H.

Copyright © Bridgetek Pte Ltd 16
LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
Appendix A - References
Document References
BRT_AN_075_LDSBus_Configuration_Utility_User_Guide
BRT_API_002_LDSBus_Python_SDK_Guide
Acronyms and Abbreviations
Terms
Description
DC
Direct Current
LED
Light Emitting Diode
PIR
Passive infrared sensor

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LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
Appendix B - List of Figures and Tables
List of Figures
Figure 1 - LDSBus Multi Sensor Hardware Features........................................................................... 5
Figure 2 –LDSBus Multi Sensor - Flush Mount –Top View Projection .................................................. 6
Figure 3 –LDSBus Multi Sensor - Flush Mount - Side View Projection.................................................. 6
Figure 4 –LDSBus Multi Sensor - Swivel Mount - Side View Projection ................................................ 7
Figure 5 –LDSBus Multi Sensor - Swivel Mount - Top View Projection ................................................. 7
Figure 6 - LDSBus Multi Sensor to LDSBus - Connection Diagram ....................................................... 8
Figure 7 - LDSBus Multi Sensor ...................................................................................................... 9
Figure 8 –LDSBus Multi Sensor - Swivel Mount –Top & Bottom View ............................................... 10
Figure 9 –LDSBus Multi Sensor Dimension –Top View.................................................................... 14
Figure 10 –LDSBus Multi Sensor Dimension –Side View................................................................. 14
List of Tables
Table 1 - LDSBus Multi Sensor Specifications ................................................................................... 4
Table 2 –LDSBus Multi Sensor –System Status LED Indicator......................................................... 13

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LDSBus Multi Sensor Datasheet
Version 1.0
Document Reference No.: BRT_000360 Clearance No.: BRT#181
Appendix C –Revision History
Document Title: LDSBUS Multi Sensor Datasheet
Document Reference No.: BRT_000360
Clearance No.: BRT#181
Product Page: https://brtchip.com/product/
Document Feedback: Send Feedback
Revision
Changes
Date
Version 1.0
Initial Release
16-11-2021