Tried and tested in tough automotive exhaust systems at temperatures up to 12,00°C, the KYOCERA AVX high-temperature sensors (HTS) have been made adaptable for various industrial, test lab and smart home applications. Suitable for wide application temperatures from -200°C to 1000°C, the YAGEO Nexensos sensors are based on the company’s platinum thin film technology. Currently available high-resistance RS485 inputs allow this number to be expanded to 256. RS485 repeaters are also available which make it possible to increase the number of nodes to several thousands, spanning multiple kilometers. With the introduction of "automatic" repeaters and high-impedance drivers / receivers this "limitation" can be extended to hundreds (or even thousands) of nodes on a network. It is generally used between one transmitter receiver pair to ONLY one other transmitter receiver pair but each output can drive up to 10 receivers. The signals travel adjacent to one another in a pair between devices.



































When using the default RS485 receivers with an input resistance of 12 kΩ it is possible to connect 32 devices to the network. The high-accuracy and low-temperature drift measurements are transmitted to the battery management system (BMS) using CAN communication. When the four-wire system is used, only point-to-multiple communication can be realized (that is, there can only be one master device, and the rest are slave devices). An RS232 interface is a system based on voltage levels and performs optimally in situations where there are minimal differences in ground potential. The Laureate LMOD RS485 interface board is similar to L485 interface board, except that it providess dual RJ45 connectors instead of RJ11 connectors. Up to 31 Laureate instruments with an L485 interface board can be daisy-chained with our cables P/N CBL03 and be addresed in command mode by a Laureate RS485 gateway board where one of the ports is RS485 with RJ11 connector and the other port is different for connection to a PC or HMI. One of the jacks can be connected to the USB port of a PC by using our RS485-to-USB converter cable (P/N CBL06) for data I/O and for programming by a PC running our Instrument Setup (IS) software.



































These rates won’t degrade signal quality over the maximum network cable length of 1200 meters (4000 ft).Each device on an individual RS-485 link must communicate at an identical baud rate. Each signal is carried by a pair of wires and is thus a differential data transmission system. RS-485 uses differential signaling to transmit data over a pair of wires. RS485 uses twisted pair cables to transmit the data and is widely used in industrial control systems. Quality STP cables for high-performace communications tend to have the nominal impedance stated in the datasheet (meaning the diff-mode impedance), often along with attenuation values in dB for a few radio frequencies. Daisy-chaining uses our readily available 6-wire data cables (or patch cords) P/N CBL03 with RJ11 plugs. The two RJ11 jacks (or connectors) are wired in parallel. The Laureate interface board P/N L485 with dual RJ11 jacks allows multiple Laureate meters, counters, timers and remote displays to be daisy-chained to the same RS485 line and to be addressed in command mode. Full-duplex or half-duplex operation can set by jumpers; however, the host instrument should be programmed for full duplex even if the board has beenjumpered for half duplex.



































Signal levels of the L485 board are compliant with the EIA/TIA-485 standard. We have already discussed that it is an asynchronous type of protocol where a clock signal is not provided. The operation distance is substantially extended in the RS485 protocol. The RS485 Standard is similar to the RS422 standard upon which it is based. What is the difference between RS422 communication and RS485 communication? The main difference is that up to 32 transmitter receiver pairs may be present on the line at one time. For existing installations or setups with previously designed modules that are challenging to update, implementing this method may not be feasible. This scheme will automatically take control of the network when a byte is transmitted, but there will not be any guaranteed marking time so bias resistors may be required. It can be set to a command mode under control of an external master, or to a continuous streaming mode where data is output at specified intervals at rates up to 60 per second. The different ports can be the following for these different gateway boards: USB for LUSB485, Ethernet for LNET485, high speed Ethernet for LNET1485, USB or WiFi with an internal antenna for LWIFI485, USB or WiFi with an external antenna for LWIFIX485.