How to Integrate an RS232 or RS485 Industrial Keypad into Your System?

In this article, you will get to know how to incorporate an industrial keypad with RS232 or RS485 into your system through Xianglong Communication. After you finished to read this article, you will have in your mind everything that's related to these protocols and be able to make a full connection and configuration for the industrial keypad for maximal intention.

Basics of RS232 and RS485 communication protocols

Before we get our hands dirty in the process of integration, I want to briefly explain you something about RS232 and RS485 communication protocols. RS232 is a standard for serial communication that is frequently utilized to connect computers and peripheral equipment. It works at single-ended communications, therefore only desires short-range communication within several meters under this communication method.

In contrast, RS485 is intended for serial communication over longer distances – up to a distance of 1200 meters. RS485 is differential communication that enables noise resistance and longer cable lengths. This makes it the ideal solution for industrial applications where machines and devices are widely spaced.

RS232 connection of your industrial keypad to your machine

If you want to integrate your industrial keypad with your system via RS232, you will need at first make sure which serial port already there on the system. This is typically a DB9 (9-Pin) or DB25 (25-Pin) port used to connect serial devices, such as PCs, printers, modems and other hardware. You'll then have to run the proper cables from your keypad it's simple on STB you will use usb or a serial port.

After making the physical connection, you have to setup the communication settings for them (on keypad and your own system). This would detail things like baud rate, parity, stop bits etc. Both devices need to have the same settings for communication.

Taking advantage of RS485 for longer distance communication.

If your industrial keypad must be integrated into you system for communication over a greater distance, RS485 needs to be implemented. For connection of your keypad RS485, RS232 to RS485 Converter will be necessary. With this converter you can plug to your system RS485 and convert it to RS232.

The support of multi-drop networks is one of the key features why RS485 is so effective for long-distance communication. So you can use the same communication line for all of your devices – which is much more flexible in a system design.

Setting up your environment to talk to the keypad

Once you are connected through the physical wiring of your industrial keyboard, and your communication settings have been established, you must configure your device to communicate with your keypad. That might mean you need to find some type of driver software or get the system to read keys coming from the keypad.

You may even want to map a few of the keys on your keypad for use performing different functions in your system. Usually it can be accomplished easy by programming and software settings.

Common problems and solutions for integrating an industrial keypad via RS232 or RS485

Every now & then,while attempting to interface your industrial keypad with RS232 or RS485, you may face problems. There are a few problems that may occur such as communication errors, wrong wiring and incompatible communication setting.

Troubleshooting First and foremost if you’re having trouble, check every connection and communication setting. Ensure everything is setup correctly on both your keypad and system. If there is still a problem, you may refer to your device's user manual or ask for Xianglong Communication technical support.

In conclusion, it may seem complicated at first to have an industrial keypad RS232/RS485 into your system but as long as you know communication protocol rools and the parameters, you will become great when connecting and setting up a diamond square pad. Take this process step by step, and you'll soon be on the road to an easy integration of your industrial keypad with Xianglong Communication's dependable and high performance communications results.