Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
Next revision Both sides next revision
en:hw:05-1-wire [2020/03/05 09:06]
jan_kozak
en:hw:05-1-wire [2020/06/16 08:39]
avsetula
Line 1: Line 1:
-======%hide 1-Wire bus ======+====== 1-Wire bus ======
 1-Wire is a communication bus system designed for low-speed data transmission,​ signalling and power through a single wire.  1-Wire is a communication bus system designed for low-speed data transmission,​ signalling and power through a single wire. 
  
 Unipi 1-Wire products are designed for reliability and serialization. For this purpose, Unipi 1-Wire sensors and hubs use a four-wire setup (GND, VCC, DATA-IN, DATA-OUT) Unipi 1-Wire products are designed for reliability and serialization. For this purpose, Unipi 1-Wire sensors and hubs use a four-wire setup (GND, VCC, DATA-IN, DATA-OUT)
  
 +===== 1-Wire temperature sensors =====
 {{ :​en:​hw:​03-1wire:​xds18b20.jpg?​direct&​100|}} {{ :​en:​hw:​03-1wire:​xds18b20.jpg?​direct&​100|}}
  
-Unipi 1-Wire temperature sensors are based on a widely used DS18B20 [[en:​automation:​02-glossary:​1wire-hidden|1-Wire]] sensor encased in a TO-92 metal probe. ​The sensor converts 12-bit temperature values to a digital signal (750 ms max. delay)+Unipi 1-Wire temperature sensors are based on a widely used DS18B20 [[en:​automation:​02-glossary:​1wire-hidden|1-Wire]] sensor encased in a TO-92 metal probe.
  
   * Voltage range: 3.0V - 5.5V   * Voltage range: 3.0V - 5.5V
   * Temperature measuring range: -55°C / +125°C   * Temperature measuring range: -55°C / +125°C
   * Accuracy: ±0.5°C (-10°C / +85°C range)   * Accuracy: ±0.5°C (-10°C / +85°C range)
-  * Can be powered by DATA wire+  ​* The sensor converts 12-bit temperature values to a digital signal (750 ms max. delay) 
 +  ​* Can be powered by DATA wire (parasitic mode)
  
 ==== Unipi 1-wire temperature sensor ==== ==== Unipi 1-wire temperature sensor ====
-[[https://​www.unipi.technology/​1-wire-teplotni-senzor-p63|Unipi 1-Wire temperature sensor]] is available in four cable lengths, and features an RJ45 connector. It can be connected to older [[https://​www.unipi.technology/​cs/​neuron-c2|Unipi Neuron]] controllers with RJ45 1-Wire port, or the [[https://​www.unipi.technology/​1-wire-hub-s-8-porty-p31|Unipi 8-port 1-Wire hub]]. The latest Unipi Neuron design and the entire Unipi Axon line are equipped with 3-wire screw terminals, for which the **RJ45 connector cannot be used**. ​+[[https://​www.unipi.technology/​1-wire-teplotni-senzor-p63|Unipi 1-Wire temperature sensor]] is available in four cable lengths, and features an RJ45 connector. It can be connected to older [[https://​www.unipi.technology/​cs/​neuron-c2|Unipi Neuron]] controllers with RJ45 1-Wire port, or the [[https://​www.unipi.technology/​cables-reductions-hubs-c41| Unipi 8-port 1-Wire hub]]. The latest Unipi Neuron design and the entire Unipi Axon line are equipped with 3-wire screw terminals, for which the **RJ45 connector cannot be used**. ​
  
-{{ :​en:​hw:​03-1wire:​1-wire-temperature-meter.png?​400 |}}+{{ :​en:​hw:​03-1wire:​1-wire-temperature-meter.png?​400&​direct ​|}}
  
 If you need to connect the sensor to a controller with the 3-wire terminal, there are two methods you can do so:  If you need to connect the sensor to a controller with the 3-wire terminal, there are two methods you can do so: 
  
-  - cut off the sensor'​s RJ45 connector, put ferrules onto the wires and and wire them into the 3-wire terminal according to [[https://​kb.unipi.technology/​_media/​en:​automation:​02-glossary:​infografika_axon.png|this schematic]] +  - cut off the sensor'​s RJ45 connector, put ferrules onto the wires and wire them into the 3-wire terminal according to [[https://​kb.unipi.technology/​_media/​en:​automation:​02-glossary:​infografika_axon_2.png|this schematic]] 
-  - use the [[https://​www.unipi.technology/​kabelova-1-wire-redukce-rj45-3-pin-svorkovnice-p325|cable reduction]]+  - use the [[https://​www.unipi.technology/​cables-reductions-hubs-c41|cable reduction ​and Unipi 1-Wire hubu]] 
 + 
 +The sensor uses a four-wire connection for better reliability of branched networks. If needed, it can be modified for a three-wire connection.  
 + 
 +=== Possible connections === 
 +== Connecting a single 1-Wire temp. sensors to a Unipi controller ==
  
-=== Možnosti zapojení === 
-== Zapojení jednoho 1-Wire teploměru ke kontroléru Unipi == 
 {{:​en:​hw:​1wire_temp_eng.png?​400|}} {{:​en:​hw:​1wire_temp_eng.png?​400|}}
  
-== Zapojení dvou 1-Wire ​teploměrů ke kontroléru ​Unipi skrze RJ45 splitter ==+== Connecting a pair of 1-Wire ​temp. sensors to an Unipi controller using the RJ45 splitter == 
 {{:​en:​hw:​splittereng.png?​400|}} {{:​en:​hw:​splittereng.png?​400|}}
  
-== Připojení více 1-Wire ​senzorů pomocí 1-Wire hubu ==+== Connecting multiple sensors using the 1-Wire ​hub == 
 {{:​en:​hw:​hub_simple_eng.png?​400|}} {{:​en:​hw:​hub_simple_eng.png?​400|}}
  
-== Vytvoření sítě ​1-Wire ​senzorů pomocí několika ​1-Wire ​hubů ==+== Creating a network of 1-Wire ​sensors using multiple ​1-Wire ​hubs ==
 {{:​en:​hw:​hubeng.png?​400|}} {{:​en:​hw:​hubeng.png?​400|}}
  
-==== Nástěnné teplotní a/nebo vlhkostní senzory ​1W-T-IB2 ​1W-TH-IB2 ==== +==== 1W-T-IB2 ​1W-TH-IB2 ​on-wall temperature and/or humidity sensors ​==== 
-V nabídce ​Unipi naleznete i kompaktní nástěnné interiérové 1-Wire senzory řady 1W-T/H-IB2, které jsou určeny pro odečet teploty ​(model [[https://​www.unipi.technology/cs/​nastenny-teplotni-senzor-1w-t-ib2-p350|1W-T-IB2]]), případně teploty a relativní vzdušné vlhkosti ​(model [[https://​www.unipi.technology/cs/​nastenny-teplotni-vlhkostni-senzor-1w-th-ib2-p351|1W-TH-IB2]]) ​v interiérech budovSenzory jsou vybaveny čtyřvodičovou šroubovací svorkovnicí ​je možné je upravit pro zapojení do třívodičové svorkovnice i pro konektor RJ45.  +Unipi product listing also contains the 1W-T/​H-IB2 ​compact on-wall sensors for measuring temperature ​([[https://​www.unipi.technology/​nastenny-teplotni-senzor-1w-t-ib2-p350|1W-T-IB2]]) ​or temperature and relative air humidity ​([[https://​www.unipi.technology/​nastenny-teplotni-vlhkostni-senzor-1w-th-ib2-p351|1W-TH-IB2]]) ​in building interiorsThe sensors feature ​four-wire screw terminal and can be modified for connection both to 3-wire connector and the RJ45 connector
- +
-=== Možnosti zapojení ==== +
- +
-== Zapojení pro třívodičovou svorkovnici == +
-Tuto možnost využijte v případě, že chcete ke kontroléru Unipi Neuron či Unipi Axon připojit pouze jeden senzor +
- +
-{{:​cs:​hw:​senzor_dratovani_3pin.png?​100|}} +
- +
-== Zapojení pro konektor RJ45 == +
-Konektor RJ45 využijete zejména ve třech případech +
-  ​potřebujete ke kontroléru Unipi Neuron či Unipi Axon zapojit dva senzory pomocí [[https://​www.unipi.technology/​cs/​1-wire-2-port-splitter-p327|dvojportového rozbočovače]] +
-  - potřebujete zapojit jeden senzor ke kontroléru Unipi Neuron se starším 1-Wire konektorem ​RJ45 +
-  - potřebujete zapojit více senzorů pomocí [[https://​www.unipi.technology/​cs/​1-wire-hub-s-8-porty-p31|osmiportového rozbočovače]] +
- +
-{{:​cs:​hw:​senzor_dratovani_rj45.png?​200|}} +
- +
  
 +=== Connection options ====
  
 +== 3-wire screw terminal ==
 +This option is suited for cases where you need to connect only a single sensor to Unipi Axon or Unipi Neuron controller
  
 +{{:​cs:​hw:​senzor_dratovani_3pin_2.png?​100|}}
  
 +===== RJ45 connector =====
 +Modification for the RJ45 connector is useful in three major cases: ​
 +  - you need to connect a pair of sensors to Unipi Neuron or Unipi Axon controller using the [[https://​www.unipi.technology/​1-wire-2-port-splitter-p327|2-port splitter]]
 +  - you need to connect a single sensor to an Unipi Neuron with the older RJ45 1-Wire port. 
 +  - you need to connect multiple sensors using the  [[https://​www.unipi.technology/​1-wire-hub-s-8-porty-p31|8-port hub]].
  
 +{{:​cs:​hw:​senzor_dratovani_rj45.png?​200| }}
 +{{ :​cs:​hw:​rj45-pinout_1-wire.png?​nolink&​400|}}