What is a RS-485 cable?

What is a RS-485 cable?

What is RS-485? RS-485 is an industrial specification that defines the electrical interface and physical layer for point-to-point communication of electrical devices. The RS-485 standard allows for long cabling distances in electrically noisy environments and can support multiple devices on the same bus.

What is the difference between RS232 and RS-485?

Data Transmission Speed RS232 is more than able to perform for a short distance and low data speed requirements. RS232 has a transmission speed of 1Mb/s up to 15M. However, RS485 has a data transmission speed of up to 10Mb/s for a distance of 15M. At the maximum of 1200M, RS485 transmits at 100Kb/s.

What is the difference between RS-485 and RS-422?

RS485 can have multiple Commanding Devices and multiple Listening Devices. RS422 can have only one Commander and multiple Listeners. For example, you can connect one PC (the Commanding device) to 10 temperature controllers (listeners).

What is RS 232c cable used for?

One very common example that many people are probably familiar with is a computer connected to a printer. While USB has become the standard, RS232 is still widely used for older printers in the workplace. The RS232 protocol and cable allow the computer to give commands to the printer via a voltage signal.

Can I connect RS485 to RS-232?

The RS232 to RS485 converter can be used for point-to-point connections (connecting one RS232 to RS485 converter directly to another RS232 to RS485 converter) and point-to-multipoint networks (connecting one RS232 to RS485 converter to multiple RS232 to RS485 converters.

Can you connect RS485 to RS422?

You cannot place an RS422 transmitter on an RS485 bus. In other words: with a RS422 receiver you can only listen to an RS485 bus. RS485 is only the hardware standard and says nothing about transmission protocol, so keep that in mind.

What does rs232c mean?

RS-232C is a long-established standard (“C” is the current version) that describes the physical interface and protocol for relatively low-speed serial data communication between computers and related devices.

What is remote RS 232C?

In simple terms, an RS-232 connection on a projector, for example, allows you to control the device remotely using a third party interface, such as a Macro Wall Controller, PC-based control software or a touch screen device such as an iPad or Android tablet connected to a control processor.