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− | One of the implemented features for fleet management devices is 1-Wire data protocol, which enables connection of temperature sensors. It is a perfect accessory for temperature monitoring.<br/><br/> | + | One of the implemented features for fleet management devices is a 1-Wire data protocol, which enables the connection of temperature sensors. It is a perfect accessory for temperature monitoring.<br/><br/> |
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| '''TTJ IS A SOLUTION FOR FLEET MANAGEMENT TRACKER IN FOLLOWING CASES:'''<br/> | | '''TTJ IS A SOLUTION FOR FLEET MANAGEMENT TRACKER IN FOLLOWING CASES:'''<br/> |
| # Thermostatic controls – maintain temperature near a desired set point. | | # Thermostatic controls – maintain temperature near a desired set point. |
| # Thermally sensitive system – receive alerts when temperature enters or leaves pre-defined value. | | # Thermally sensitive system – receive alerts when temperature enters or leaves pre-defined value. |
− | # Consumer products – be assured that goods which you are delivering will maintain high quality. <br/><br/> | + | # Consumer products – be assured that the goods which you are delivering will maintain high quality. <br/><br/> |
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| '''Description'''<br/> | | '''Description'''<br/> |
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| '''TTJ technical characteristics''' | | '''TTJ technical characteristics''' |
− | * Unique 1-Wire® Interface Requires Only One Port Pin for Communication | + | *Supported by <span class="mw-collapsible mw-collapsed"> [https://wiki.teltonika-gps.com/view/FMB110 FMB110], [https://wiki.teltonika-gps.com/view/FMB120 FMB120], [https://wiki.teltonika-gps.com/view/FMB122 FMB122], [https://wiki.teltonika-gps.com/view/FMB125 FMB125], [https://wiki.teltonika-gps.com/view/FMU125 FMU125], [https://wiki.teltonika-gps.com/view/FMM125 FMM125], [https://wiki.teltonika-gps.com/view/FMC125 FMC125], [https://wiki.teltonika-gps.com/view/FMB130 FMB130], [https://wiki.teltonika-gps.com/view/FMU130 FMU130], [https://wiki.teltonika-gps.com/view/FMC130 FMC130], [https://wiki.teltonika-gps.com/view/FMM130 FMM130], [https://wiki.teltonika-gps.com/view/FMB140 FMB140], [https://wiki.teltonika-gps.com/view/FMB202 FMB202], [https://wiki.teltonika-gps.com/view/FMB204 FMB204], [https://wiki.teltonika-gps.com/view/FMB640 FMB640], [https://wiki.teltonika-gps.com/view/FMC640 FMC640], [https://wiki.teltonika-gps.com/view/FMM640 FMM640] </span> |
− | * Each Device has a Unique 64-Bit Serial Code Stored in an On-Board ROM | + | * Unique 1-Wire® Interface Requires Only One Port Pin for Communication. |
− | * Multidrop Capability Simplifies Distributed Temperature Sensing Applications | + | * Each Device has a Unique 64-Bit Serial Code Stored in an On-Board ROM. |
− | * Requires No External Components | + | * Multidrop Capability Simplifies Distributed Temperature Sensing Applications. |
− | * Can Be Powered From Data Line. Power Supply Range is 3.0V to 5.5V | + | * Requires No External Components. |
− | * Measures Temperatures from -55°C to +125°C (-67°F to +257°F) ±0.5°C Accuracy from -10°C to +85°C | + | * Can Be Powered From Data Line. Power Supply Range is 3.0 V to 5.5 V. |
− | * 9-Bit Thermometer Resolution | + | * Measures Temperatures from -55° C to +125° C (-67° F to +257° F) ±0.5° C Accuracy from -10° C to +85° C. |
− | * Converts Temperature in 750ms (max) | + | * 9-Bit Thermometer Resolution. |
− | * User-Definable Nonvolatile (NV) AlarmSettings | + | * Converts Temperature in 750 ms (max). |
− | * Alarm Search Command Identifies and Addresses Devices Whose Temperature is Outside Programmed Limits (Temperature Alarm Condition) | + | * User-Definable Nonvolatile (NV) alarm settings. |
− | * Applications Include Thermostatic Controls, Industrial Systems, Consumer Products, Thermometers, or Any Thermally Sensitive System <br/> | + | * Alarm Search Command Identifies and Addresses Devices Whose Temperature is Outside Programmed Limits (Temperature Alarm Condition). |
| + | * Applications Include Thermostatic Controls, Industrial Systems, Consumer Products, Thermometers, or Any Thermally Sensitive System. |
| + | * Recommendations for cabling: max. cable length 15 meters, category – CAT5. Length over 20 meters increases measuring precision error. <br/> |
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| ''TTJ sensor pin-out and connection diagrams:''<br/> | | ''TTJ sensor pin-out and connection diagrams:''<br/> |
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| '''Configuration''' <br/> | | '''Configuration''' <br/> |
− | On FMB unit, TTJ sensor parameters are configured as I/O element parameters: ''Dallas temperature'' and ''Dallas temperature ID''. | + | On the FMB unit, TTJ sensor parameters are configured as I/O element parameters: ''Dallas temperature'' and ''Dallas temperature ID''. |
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− | [[File:T sensor parameter configuration.png|none|600px|caption]] | + | [[File:T sensor parameter configuration.png|none|700px|caption]] |
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| The configuration procedure is as other I/O element (for example: [[FMB120_I/O_settings]]) | | The configuration procedure is as other I/O element (for example: [[FMB120_I/O_settings]]) |
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| + | ==External links== |
| + | https://teltonika-gps.com/product/ttj |
| + | |
| + | [[Category:Accessories]] |