DFR0258

DFR0258 Datasheet

RS232 Shield For Arduino SKU:DFR0258

Part	Datasheet
DFR0258	DFR0258 (pdf)

PDF Datasheet Preview
RS232 Shield For Arduino SKU:DFR0258 INTRODUCTION This RS232 shield is designed for the Arduino controller,and it can easily convert UART to RS232 interface. The shield integrates DB9 connectors female that provide connection to various devices with RS232 interface. Also the RS232 headers will facilitate your connections and commissioning. It provides the welding areas to make full use of extra space on it, which is highly convenient for prototyping. It provides a run / program mode switch. When switched OFF, you'll be able to programme the Arduino controller When switched ON, you can use the shield normally. Gold immersion PCB. Long pins on the back that are compatible with most Arduino controllers such as Uno, Mega, Leonardo. As an alternative of RS232, RS485 provides more reliable way to transfer data at a longer distance. We also have a RS485 shield Arduino for this scenario. RS232 DB9 Pinout Diagram RS-232 Maximum Cable Length The maximum cable length for RS-232 is 50ft, but in practise depends on baud rate, cable specific capacitance and ambient noise. The table below contains some rules-of-thumb from experiments done by Texas Instruments years ago. Baud rate Maximum range / cable length 19200 50ft 9600 500ft 4800 1000ft What is RS232? "In telecommunications, is a standard for serial communication transmission of data. It formally defines the signals connecting between a DTE data terminal equipment such as a computer terminal, and a DCE data equipment or data communication equipment , such as a modem. The standard is commonly used in computer serial ports. The standard defines the electrical characteristics and timing of signals, the meaning of signals, and the physical size and pinout of connectors. The current version of the standard is Interface Between Data Terminal Equipment and Data Equipment Employing Serial Binary Data Interchange, issued in From Wikipedia Compability • Arduino UNO • Arduino UNO R3 • Arduino Mega 1280/2560 SPECIFICATION • Voltage +5V • 16 digital IO port including a I2C interface • 6 analog IO port and power • Operation and programming mode switch • Transceiver indicating LED • DB9 connectors female , RS232 pins • Weldable area • Reset switch • Module size 55mmx53mm 2.16"x2.08" SHIPPING LIST • RS232 shield x1 Powered By DFRobot 2008-2017

PDF Datasheet Preview

RS232 Shield For Arduino SKU:DFR0258

INTRODUCTION This RS232 shield is designed for the Arduino controller,and it can easily convert UART to RS232 interface. The shield integrates DB9 connectors female that provide connection to various devices with RS232 interface. Also the RS232 headers will facilitate your connections and commissioning. It provides the welding areas to make full use of extra space on it, which is highly convenient for prototyping. It provides a run / program mode switch. When switched OFF, you'll be able to programme the Arduino controller When switched ON, you can use the shield normally. Gold immersion PCB. Long pins on the back that are compatible with most Arduino controllers such as Uno, Mega, Leonardo. As an alternative of RS232, RS485 provides more reliable way to transfer data at a longer distance. We also have a RS485 shield Arduino for this scenario.

RS232 DB9 Pinout Diagram

RS-232 Maximum Cable Length

The maximum cable length for RS-232 is 50ft, but in practise depends on baud rate, cable specific capacitance and ambient noise. The table below contains some rules-of-thumb from experiments done by Texas Instruments years ago.

Baud rate Maximum range / cable length
19200 50ft
9600
500ft
4800
1000ft

What is RS232?
"In telecommunications, is a standard for serial communication transmission of data. It formally defines the signals connecting between a DTE data terminal equipment such as a computer terminal,
and a DCE data equipment or data communication equipment , such as a modem. The standard is commonly used in computer serial ports. The standard defines the electrical characteristics and timing of signals, the meaning of signals, and the physical size and pinout of connectors. The current version of the standard is Interface Between Data Terminal Equipment and Data Equipment Employing Serial Binary Data Interchange, issued in From Wikipedia

Compability
• Arduino UNO
• Arduino UNO R3
• Arduino Mega 1280/2560

SPECIFICATION
• Voltage +5V
• 16 digital IO port including a I2C interface
• 6 analog IO port and power
• Operation and programming mode switch
• Transceiver indicating LED
• DB9 connectors female , RS232 pins
• Weldable area
• Reset switch
• Module size 55mmx53mm 2.16"x2.08"

SHIPPING LIST
• RS232 shield x1

Powered By DFRobot 2008-2017

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived DFR0258 Datasheet file may be downloaded here without warranties.

Datasheet ID: DFR0258 508691