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TD31IP485H Datasheet(PDF) 1 Page - MORNSUN Science& Technology Ltd. |
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TD31IP485H Datasheet(HTML) 1 Page - MORNSUN Science& Technology Ltd. |
1 / 3 page The copyright and authority for the interpretation of the products are reserved by MORNSUN TDx1IP485H 2013.03.19-A/0 Page 1 of 3 DUAL ISOLATION HIGH SPEED H-485 TRANSCEIVER ——TD31IP485H(3.3V Power supply) TD51IP485H(5.0V Power supply) PART NUMBER SYSTEM TD31I P485H Port signal type Package type Channel number Power distribution output Power input Digital bus product type rate FEATURES l Baud rate high up to115200bps l Connect up to 32 nodes on one bus l 2500VDC isolation voltage (input and output) l 2500VDC isolation voltage (output and output) l Integrated high efficiency isolated DC/DC converter l Operating temperature range: -40℃~ +85℃ l ESD protection, perfect EMC recommend circuit GENERAL DESCRIPTION Dual double isolation high speed h-485 isolated transceiver module TD31IP485H/TD51IP485H series are transceiver isolation module with integrated twin power isolation, electrical isolation, and RS-485 interface bus protector . It has two way independent of RS485 network function,and the two-port RS485 networks are isolated.Products can be easily embedded in the user equipment, achieve function of RS-485 network connection. The isolation RS - 485 circuits of using a piece of power isolation module, six road light coupling and 2 RS - 485 transceivers and device is only need to adopt a RS485 isolation module now.Simplify the customers on the isolation requirements of the design. SELECTION GUIDE Model Power Input TD31IP485H 3.17V~3.45V TD51IP485H 4.75V~5.25V ELECTRICAL CHARACTERISTICS Static current TD31IP485H ≤50mA ,TD51IP485H≤30mA power dissipation(max) ≤0.4W Input Of Power Supply Send current TD31IP485H ≤121mA ,TD51IP485H≤80mA Serial interface Compatible with + 5 V and + 3.3 V UART Interface Input Pin current ITXD<2mA ;IRXD<2mA ;ICON<5mA Output 485 Bus interface Standard interface RS485, pull-up and pull-down resistor, whose value is 4.7KΩ,have been set to A/B line. TRANSMISSION CHARACTERISTICS Transmission Rate 115200 bps(max) Data Delay The delay time from the receiving data switch to the send data : 30 μs(min), 100 μs(max). The Number of Nodes Connect up to 32 nodes on one bus Transceiver control Contrary to common 485 transceiver control level Control Input Output CON TXD A B Line state 0 1 1 0 Normal Sending Status 0 0 0 1 Normal Control Input Output CON A-B RXD 1 0.2V 1 Truth Table Receiving Status 1 -0.2V 0 |
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