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RS485

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**RS485**

What is RS485?

RS-485 is a standard defining the electrical characteristics of drivers and receivers for use in serial communications systems. It's commonly used in industrial automation, building automation, and other applications requiring robust, long-distance communication. It allows for multiple devices to communicate over a single pair of wires (or sometimes more) in a multi-drop configuration. RS-485 is known for its noise immunity and ability to transmit data over longer distances compared to other serial communication standards like RS-232.

Find 2.6k organizations using RS485 on Sumble →

What other technologies are related to RS485?

RS485 Competitor Technologies

RS232
RS232
RS232 is another serial communication standard, often used for shorter distances and lower speeds compared to RS485.
RS422
RS422
RS422 is another serial communication standard similar to RS485, offering multi-drop capabilities, but often used for point-to-point or multi-drop configurations instead of true multi-point.
I2C
I2C
I2C is a short-distance, two-wire serial communication protocol often used for communication between integrated circuits on the same board.
SPI
SPI
SPI is a synchronous serial communication interface used for short-distance, high-speed communication, but typically not suitable for long distances or noisy environments like RS485.
CAN
CAN
CAN (Controller Area Network) is a robust serial communication protocol designed for noisy environments and real-time applications, often used in automotive and industrial automation, serving as an alternative to RS485.
USB
USB
USB (Universal Serial Bus) is a widely used serial communication standard, often used for connecting peripherals to computers. While it is not directly comparable to RS485 in industrial applications, it can replace it in some scenarios.
Ethernet
Ethernet
Ethernet is a network protocol used for connecting devices over a local area network (LAN). It provides high bandwidth and long-distance communication capabilities, making it a competitor to RS485 in some applications.
Zigbee
Zigbee
Zigbee is a wireless communication protocol often used in IoT and home automation. It offers a low-power, low-data-rate alternative to wired RS485 networks.
Number of organizations that mention technology
2,586
RS485
2,975
RS232
636
RS422
9,627
I2C
10,289
SPI
8,764
CAN
6,096
USB
15,747
Ethernet
2,145
Zigbee
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RS485 Complementary Technologies

UART
UART
UART (Universal Asynchronous Receiver/Transmitter) is a serial communication interface that is often used as a building block for RS485 communication, requiring an RS485 transceiver to convert UART signals to RS485 differential signals.
Modbus
Modbus
Modbus is a serial communication protocol often used with RS485 for industrial automation and control systems. It defines the messaging structure and communication rules over an RS485 network.
Number of organizations that mention technology
2,586
RS485
7,237
UART
9,560
Modbus
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Which job functions commonly mention RS485?

Firmware Engineer
2.4% of all Firmware Engineer jobs mention RS485
View 746 jobs on Sumble
Embedded Engineer
2.2% of all Embedded Engineer jobs mention RS485
View 1.7k jobs on Sumble
Hardware Engineer
0.4% of all Hardware Engineer jobs mention RS485
View 475 jobs on Sumble
Electrical Engineer
0.3% of all Electrical Engineer jobs mention RS485
View 1.2k jobs on Sumble
Engineer
0.1% of all Engineer jobs mention RS485
View 6.8k jobs on Sumble
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Which organizations are mentioning RS485?

RS485
Honeywell
Manufacturing 
32 team
mention RS485
↗
 27 people
use RS485
↗
RS485
Philips
Scientific and Technical Services 
22 team
mention RS485
↗
 4 people
use RS485
↗
RS485
ABB
Utilities 
21 team
mention RS485
↗
 11 people
use RS485
↗
RS485
Carrier
Manufacturing 
21 team
mention RS485
↗
 4 people
use RS485
↗
RS485
Schneider Electric
Utilities 
19 team
mention RS485
↗
 32 people
use RS485
↗
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