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User Guide

Copyright © 2021 R9 Technology Inc. All rights reserved.

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SN400 Sensor Node Hardware User Guide

January 2021

Release 1.7

R9 Technology

17217 Waterview Parkway Suite 1.202Y

Dallas, TX 75252

www.r9technology.com

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Summary of Contents for SN400

Page 1: ...ide Copyright 2021 R9 Technology Inc All rights reserved i SN400 Sensor Node Hardware User Guide January 2021 Release 1 7 R9 Technology 17217 Waterview Parkway Suite 1 202Y Dallas TX 75252 www r9technology com ...

Page 2: ...nt Revisions Date Version Number Document Changes 09 28 2010 R1 4 Edit to pair button led flash info other minor edits 01 11 2021 R1 5 Change DC adapter voltage to 3 0V other minor edits 01 21 2021 R1 6 Updated battery information 03 26 2021 R1 7 Updated battery information ...

Page 3: ...tents 1 Introduction 4 2 SN400 Product Label 5 3 Wireless Operating Band Antenna 7 4 Power 7 5 Indicators and Buttons 9 6 Physical Dimensions 11 7 Installation 11 8 Troubleshooting 13 9 Sales and Warranty Policy 13 6 Specifications 14 7 Certifications United States FCC Statement 15 ...

Page 4: ... The SN400 Piconode device is at the far right end of the network diagram It gathers sensor information using wired sensors which will ultimately be viewed and analyzed on a user s personal computer or smart device using a web browser Alerts which are received via SMS text can also be implemented using the R9 web based system The SN400 sensor node has four ports each port can support one cabled se...

Page 5: ... the measurement of temperature If installed inside a refrigerator freezer wireless range may be diminished typically by one third to one half but should be adequate for connection to a nearby gateway device The SN400 sensor node requires an external DC power source or two AAA alkaline batteries to operate The sensor node does not have a power switch When power is applied by DC jack or insertion o...

Page 6: ... model number is SN400 D1AAA This part number indicates D1 port configuration Port 1 and 2 are set up for digital pulse counting Port 3 is digital one wire Port 4 is digital input A 1 Antenna Internal 915 MHz ISM band antenna is provisioned and selected A 2 Power Powered by internal AAA batteries A 3 Enclosure Indoor plastic case color black In plain terms the specific model part number SN400 D1AA...

Page 7: ...on with and connection to a nearby gateway that is also powered on Note that in order to pair with connect to a gateway device a sensor node device must have been configured previously in the online R9 portal Refer to the R9 Online Portal User Guide for information on how to onboard and configure the gateway and sensor nodes in your monitoring system The sensor node does not have a power switch Re...

Page 8: ...re conditions Alkaline batteries are ok for use inside a refrigerator temperatures down to about 35F although the longevity will likely be reduced o Lithium AAA batteries Lithium batteries should be used in extreme cold environments sensor node located inside a freezer with temperature below 0F or 18C Alkaline batteries do not operate optimally at temperatures below 0F or 18C Lithium chemistry bat...

Page 9: ...red status as well as reset or power up status See table on next page The SN400 uses a red green bi color LED indicator to communicate the status of the sensor node To save battery power the SN400 sensor node will briefly illuminate the LED To query the paired status of the SN400 without interrupting operation a quick press of the pairing button P will indicate the network pairing status to gatewa...

Page 10: ... to a node unless it is provisioned to do so in the online portal Green quick 3 Indicates SN400 is on and IS paired to a gateway sensor network as provisioned in the online portal Note that paired indicates the node pairing memory is set with gateway information paired does not indicate the node is currently communicating with a gateway communication happens infrequently based on sample interval t...

Page 11: ...op flange for mounting to a wall or other flat surface The node will frequently be attached to large equipment and should always be located as high as possible on the equipment for best wireless performance Sensor cables should always exit the bottom of the enclosure in a downward direction for first few inches to prevent ingress of moisture or other contaminants A separate document the SN400 Inst...

Page 12: ...steel shelf frame The external sensor ports are protected by the refrigerator shelf from liquid spills Ideally the external ports should point downward to prevent ingress of spills and liquids The image below shows the SN400 installed on the outside of a refrigerator using integrated magnets An external wired sensor is used to sense refrigerator temperature ...

Page 13: ... button does not work SN400 will not connect to portal AAA batteries are low When batteries are low there is typically enough energy to allow the SN400 to reset but not enough energy to run other operations Replace AAA batteries 9 Sales and Warranty Policy Please download the sales and warranty policy document from our website at www r9technology com It is located online in the documentation secti...

Page 14: ...nnel analog input configuration 0V 10V External reset button External network status button Small 62 8 mm height x 72 9 mm width x 21 1 mm thickness ABS plastic enclosure o Integrated magnet system for attachment to metal surfaces including refrigerator and freezer o Mounting flange for use with screw mount applications Bi color LED indicator red green Built in system sleep timer for lowest possib...

Page 15: ...adio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged...

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