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RS485 Shield for Arduino
- Product SKU: DF_DFR0259
- Category: Communication, Modules
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Arduino RS485 is an industrial standard for long distance, anti-interferrence and reliable communication. So we create this RS485 Arduino shield, especially designed for the Arduino controller board. It converts UART/Serial protocol to RS485 protocol. This RS485 board allows Arduino access to industrial standard protocol easily.
In contrast to RS-422, which has a single driver circuit which cannot be switched off, RS-485 drivers use three-state logic allowing individual transmitters to be deactivated. This allows RS-485 to implement linear bus topologies using only two wires. The equipment located along a set of RS-485 wires are interchangeably called nodes, stations or devices.
Integrated a standard RS485 port, a mini RS485 port, RS485 headers
Provide the welding areas to make full use of the free space. And more importantly, it's convenient for your DIY design.
Switch between automatic mode and manual transmission mode, which expand the scope of application.
Besides Tx/Rx interface, there is a switch to block/disable this shield, when Arduino needs to be programmed.
Gold immersion PCB. Long pins on the back adapt to most Arduino controllers.
What is RS485?
"RS-485 enables the configuration of inexpensive local networks and multidrop communications links. It offers data transmission speeds of 35 Mbit/s for distandances up to 10 m and 100 kbit/s up to 1200 m. Since it uses a differential balanced line over twisted pair (like RS-422), it can span relatively large distances up to 1,200 m (4,000 ft). A rule of thumb is that the speed in bit/s multiplied by the length in meters should not exceed 108. Thus a 50 meter cable should not signal faster than 2 Mbit/s." From Wiki.
Specification
Shipping List
Arduino RS485 is an industrial standard for long distance, anti-interferrence and reliable communication. So we create this RS485 Arduino shield, especially designed for the Arduino controller board. It converts UART/Serial protocol to RS485 protocol. This RS485 board allows Arduino access to industrial standard protocol easily.
In contrast to RS-422, which has a single driver circuit which cannot be switched off, RS-485 drivers use three-state logic allowing individual transmitters to be deactivated. This allows RS-485 to implement linear bus topologies using only two wires. The equipment located along a set of RS-485 wires are interchangeably called nodes, stations or devices.
Integrated a standard RS485 port, a mini RS485 port, RS485 headers
Provide the welding areas to make full use of the free space. And more importantly, it's convenient for your DIY design.
Switch between automatic mode and manual transmission mode, which expand the scope of application.
Besides Tx/Rx interface, there is a switch to block/disable this shield, when Arduino needs to be programmed.
Gold immersion PCB. Long pins on the back adapt to most Arduino controllers.
What is RS485?
"RS-485 enables the configuration of inexpensive local networks and multidrop communications links. It offers data transmission speeds of 35 Mbit/s for distandances up to 10 m and 100 kbit/s up to 1200 m. Since it uses a differential balanced line over twisted pair (like RS-422), it can span relatively large distances up to 1,200 m (4,000 ft). A rule of thumb is that the speed in bit/s multiplied by the length in meters should not exceed 108. Thus a 50 meter cable should not signal faster than 2 Mbit/s." From Wiki.
Specification
Shipping List
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