Changes

[[File:Ttj foto.png|none|600px|caption]]

[[File:Ttj foto.png|thumb|300px|TTJ Temperature sensor]]

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/>

'''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/>

'''Description'''<br/>

'''Description'''<br/>

'''TTJ technical characteristics'''

'''TTJ technical characteristics'''

* Unique 1-Wire® Interface Requires Only One Port Pin for Communication

* 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/>

''TTJ sensor pin-out and connection diagram:''<br/>

''TTJ sensor pin-out and connection diagrams:''<br/>

[[File:TTJ connection scheme.PNG|600px]] [[File:Sch fmb120 ds1820.png|400px]]

[[File:TTJ connection scheme.PNG|600px]] [[File:Sch fmb120 ds1820.png|400px]]

'''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''.

[[File:T sensor parameter configuration.png|none|600px|caption]]

[[File:T sensor parameter configuration.png|none|700px|caption]]

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]])