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SignalFire Sentinel-485 Series, Interface Manual

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SignalFire Sentinel-485 Series Interface Manual Download Page 12

 

 

12

 

SignalFire Telemetry 

Rev 1.7 

 

The Sentinel has a current limiting resistor of 150 ohms.  The voltage available to the sensor  
depends on the sensor current load.  See the graphs below for details:  

 

 

 
 

 

 

If the Sentinel-Solar is used the maximum load current is limited to 14mA.   

 

Summary of Contents for Sentinel-485 Series

Page 1: ...a single Modbus RTU sensor device Configurable Modbus register polling map Can power an attached Modbus sensor at 8V or 13V with configurable warm up time Low power operation from an intrinsically safe high capacity lithium primary battery pack Optional solar battery system for routing nodes high power draw sensors or rapid data collection Sends data to a SignalFire Buffered Modbus Gateway AES 128...

Page 2: ...SS radio internal antenna Compliance Certified for use in Class I Division 1 groups C and D EXi EXi FCC IC Certified WARNING Use of this equipment in a manner not specified by the manufacturer may impair the protection provided by the equipment WARNING The use of any parts not supplied by the manufacturer violates the safety rating of the equipment The associated apparatus provides intrinsically s...

Page 3: ...3 SignalFire Telemetry Rev 1 7 ...

Page 4: ...blinks on each received radio packet Status LEDs The Active LED green will blink at boot up and will blink rapidly when the sensor is being powered and read The ERROR LED red will blink to indicate an error condition Scan Checkin Button If this button is pressed the Sentinel will power the sensor on for the configured time read the pre configured Modbus registers from the sensor and forward those ...

Page 5: ...PC application and a serial programming cable Using the SignalFire Toolkit The SignalFire Toolkit application can be downloaded at www signal fire com customer After installation launch the software and the main toolkit window will open Select the COM port associated with the Sentinel Node and click Auto Detect Device on COM Port This will open the device configuration window where all device sett...

Page 6: ...6 SignalFire Telemetry Rev 1 7 COM Settings Configurable node settings Node Information Current Program Steps 1 2 3 4 ...

Page 7: ...ey The box will then change into a Set Encryption Key box and it will prompt instead for the encryption key you would like to use Note that keys may not contain spaces or angle brackets Enter it and then press Set If you are setting up a new network you will need to set the encryption key on all of your devices If you are adding a Sentinel to a legacy network you can simply set the Corporate ID wi...

Page 8: ...ng Mode The Sentinel Modbus node requires that the Sentinel is configured with a list of Modbus registers to be read from the attached sensor using the SignalFire Toolkit application prior to installation The preconfigured set of registers is automatically read from the Modbus sensor device and forwarded to the Modbus gateway on a pre defined schedule 1 minute to 5 minutes is typical The register ...

Page 9: ...deleted or re ordered using the buttons to the right of the table To add a new program step fill in the 4 boxes at the bottom and click Add New Program Step If the step is valid it will be added to the table Finally click Write New Program Steps to Device to save the changes The Slave ID should match the ID of the connected Modbus device Make sure that there are no duplicate slave IDs in a given n...

Page 10: ... when connecting sensors to the SignalFire node See pictures for proper wire routing examples Sensor wires entering the enclosure must be run as pictured The battery wire must be routed through the battery cable hold down clamp Strip the wires so that there is minimal exposed un insulated wire when inserted into the screw terminal All wiring should be neat and orderly ...

Page 11: ...ev 1 7 Sensor Connection The Sentinel Modbus Node has a single terminal block for connection to a Modbus sensor If any of the Sentinel s Modbus program steps fails it will change the Status register See page 13 for more details ...

Page 12: ...The Sentinel has a current limiting resistor of 150 ohms The voltage available to the sensor depends on the sensor current load See the graphs below for details If the Sentinel Solar is used the maximum load current is limited to 14mA ...

Page 13: ... or 65524 Major revision number for the mainboard 49989 9988 or 65525 Minor revision number for the mainboard 49990 9989 or 65526 Major revision number for the radio 49991 9990 or 65527 Minor revision number for the radio 49992 9991 or 65528 High 16 bits of SFTS node address 49993 9992 or 65529 Low 16 bits of SFTS node address the radio ID 49994 9993 or 65530 Slave ID readback 49995 9994 or 65531 ...

Page 14: ...duit Direct Mount to Sensor with Short Conduit This mounting method uses a short conduit run from the sensor and the unit is held in place by the conduit WARNING The Sentinel must be mounted in a location free of high vibrations Over time vibrations can damage the Sentinel or battery pack which could impair its safety ratings Do not mount directly to continuous vibrating equipment such as pumps or...

Page 15: ...l the enclosure cover WARNING Use of any battery other than the SignalFire part number 810 0008 02 will impair the protection provided by the equipment WARNING If the internal battery is installed the external solar battery system or other power source may not be connected Cleaning Instructions The outside of the enclosure may be cleaned with water mild soap and a damp cloth as needed High pressur...

Page 16: ... done using the SignalFire Toolkit PC application Technical Support and Contact Information SignalFire Telemetry 140 Locke Dr Suite B Marlborough MA 01752 978 212 2868 support signal fire com Revision History Revision Date Changes Updates 1 1 10 09 12 Initial release 1 2 11 7 14 Updated entity parameters 1 3 6 5 15 Updated design 1 4 8 1 16 Added section on Encryption 1 5 3 6 17 Added graphs for s...

Page 17: ... to try to correct the interference by one of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Only the supplied coil antenna Part number 810 0012 01 whi...

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