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TIA-485 is similar in one respect to TIA-232, in that a UART (universal asynchronous receiver/transmitter) is used to serialize outgoing data and deserialize incoming data. Where TIA-485 differs is in the use of a balanced-to-ground topography via twisted pair cable and special RS-485 line drivers, such as the MAX483 or MAX491. A single cable pair may be used in half-duplex mode or two twisted pairs may be used to set up a full-duplex communications network.
As TIA-485 operates balanced-to-ground, it is much more immune to noise than TIA-232. This immunity allows TIA-485 to span much greater distances than TIA-232, up to 1200 meters (approximately 4000 feet), and to operate at substantially higher data rates. Also, multiple receivers and transmitters may be attached to a TIA-485 network, up to 32 maximum.
The AppleTalk network was based upon TIA-485.
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What is the difference between 'GPIB' and 'I2C' and 'RS485'?
HP is a company that makes and market particular hardware / software for speciallist application. An example is the 12C calculator which is capable of using a GPIB standard chip to send a signal through a RS485 cable to a computer
What is the difference between rs232 and rs485 port?
Difference between Rs232 and RS485 is Only Distance RS232 is not for long or far distance .. but RS485 can be use for LONGEST distance ..RS232 is single ended communication where as RS485 is Differential communication.Max.no of receivers in RS232 is only ONE, whereas in RS485 is 32.Max.no of transmitters in RS232 is only ONE whereas in RS485 is 32.IN RS232 there is no pin to change from transmitter mode receiver mode. But, In RS485 have DE pin to set transmitter mode and RI to set receiver mode.
What are quantity of USB-RS485 ADAPTER?
UBIBOT USB-RS485 ADAPTER Connect RS485 probe to PC for calibration $ 24.99 USD$ 24.99 USD Quantity: Suitable for Ubibot RS485 probes calibration Two input ports: Micro USB & audio jack Plug and play, easy to operate Works with Ubibot Calibration Tool
What do you use in laptop - rs232 or rs485?
rs232
Is rs485 a specification for usb?
No. The two standards are unrelated.
What are the applications of a RS485?
An RS485 signal is used in conjunction with many different computer systems. One might learn more about this type of signal as part of a computer course.
What is the maximum distance of RS 485?
It depends on the wires' diameter you use, and the network topology you will use. Generally say the bigger the diameter you use, the distance longer. But it is the best you use it in BUS of hand in hand. If you use RS485 in tree or star network, it can not be long because of the signal's reflex on lines. What i said above must be twisted-pair, otherwise the distance can not by far. Also you need to consider the data rate you use. the lower data rate you use the longer distance you will get. But all above i said, even in the best condition, RS485 is only 300~500 meters long. If longer distance you need, you have to consider other way, such as RS485 module which use other technology to expand the distance, just only RS485 interface but not RS485 signal on the lines. For example, the PWBS01H series module i used before. It makes RS485 be 3000m distance, also supports tree or start network topology. here is the link for PWBS01H series module.slideshare.net/eddiegao/bestrong-rs485-powerbusmodules
Which country invented rs485?
The United States of America invented the electronic standard RS-485.
What are the other serial communication standards other than RS232?
RS422 and RS485 and the now popular USB
Difference between Ethernet and RS 485?
RS232 is for point to point communication where as RS 485 is for multidpoint communication, Voltage level and speed differ Hi frnds,, There are few points which v can discuss on these are 1) Ya first main important point is RS232 is point to point communication n RS485 is multidrope communication which means ... on RS232 u can not connect more than two device... RS485 u can connect upto I think max 128 device theorically..(its depends on noise level as well as on distance and burd rate also) Practicall as max 32... 2)Voltage level of RS232 is -3 to -25 for 1 +3 to +25V for 0 while RS485 is based on differential voltage (0-5v) diff is 240mV for 1 and -240mV for 0. 3)distance limitation is 100meter for RS232 and 1Km for RS485, 4)noise immunity is high for RS485 as it is balance protocol and differencial protocol.. 5)Software point of view u need to set transmit enable line in RS485 rest of the software is same... 6)pin for 232 is (Rx Tx and GND) while in case of RS485 it is (A(+) and B(-)) no need to transmit GND..signal
Is VDU hardware or software?
A VDU is hardware.
Is a monitor a hardware a software or a peripheral hardware?
Hardware and peripheral hardware.
