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SignalFire Telemetry 

Rev 1.3 

APPENDIX - FCC and IC Statements 

 
 

Changes or modifications not expressly approved by SignalFire Telemetry, Inc could void the user’s authority to operate the equipment. 
 
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful 
interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 
 
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.  These limits 
are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate 
radio 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 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) which is permanently soldered to the PCB may be used.  This antenna has a maximum 
gain of 3dB.  

 

WARNING!  
FCC and IC Radiation Exposure Statement: 

This equipment complies with FCC’s and IC’s RF radiation exposure limits set forth for an uncontrolled environment under the following conditions: 
 

 

1.

 

This equipment should be installed and operated such that a minimum separation distance of 20cm is maintained between the radiator 
(antenna) & user’s/nearby person’s body at all times. 

2.

 

This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. 
 
 

Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a maximum (or lesser) gain approved for this 
transmitter by Industry Canada.  To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the 
equivalent isotropically radiated power (e.r.i.p.) is not more than that necessary for successful communication.  

 

 

 

 

 

 

Summary of Contents for Sentinel-485-2DI Series

Page 1: ... Standard SignalFire Sentinel RS485 Modbus Node RS485 connection to internal RTD Interface Board 2 3 and 4 wire PT100 RTD supported other types on request Low power operation from an intrinsically safe high capacity lithium primary battery pack Optional solar battery system for routing nodes or rapid data collection Sends data to a SignalFire Buffered Modbus Gateway AES 128bit Encryption ...

Page 2: ...SS radio internal antenna Compliance Temperature Accuracy Certified for use in Class I Division 1 groups C and D EXi EXi FCC IC Certified 0 5 C 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 apparat...

Page 3: ...he radio network The Radio RX LED red 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 take a reading from the RTD and send those values to the gateway ...

Page 4: ...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 settings can be configure...

Page 5: ...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 6: ...nd forward the register data to the gateway Configuration Since the Sentinel RTD uses a standard Sentinel Modbus Node with the RTD interface card it is necessary to set the Sentinel type for RTD operation if it is the default Modbus mode To do this select RTD in the Set Sentinel Type option under the Settings pull down menu ...

Page 7: ...aintained it is required that the installer follow these guidelines when connecting sensors to the SignalFire node See pictures for proper wire routing examples 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 8: ...3 3 WIRE Install Jumpers J1 J2 4 Wire No Jumpers Installed After configuring the jumpers for the RTD connect the RTD wires to the interface board per the diagrams below EX V V EX RTD EX V V EX RTD EX V V EX RTD 2 Wire RTD Connection 3 Wire RTD Connection 4 Wire RTD Connection Any error with the RTD or interface board will be shown in the Status register See table on Page 10 for details ...

Page 9: ...nsor read 49988 9987 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 ...

Page 10: ...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 11: ...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 12: ...ust be used for this interface Debug and advanced configuration may be 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 Date Changes Updates 1 0 8 28 15 Initial release 1 1 9 14 17 Updated layout added encryption section updated warnings 1 3 2 7 19 ...

Page 13: ... 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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