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TD1211D485H Datasheet(PDF) 1 Page - MORNSUN Science& Technology Ltd. |
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TD1211D485H 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 TDxx11D485H 2013.12.04-A/1 Page 1 of3 FEATURES l2-port electrical isolation input and output lIntegrated isolated DC/DC converter lBus protection lIsolation voltage 2.5KVDC lOperating temperature range:-40℃ ~ +85℃ lHigh speed data rate:115200bps lConnect up to 32 nodes on one bus lIsolation power output +5V lLow electromagnetic radiation lHigh electromagnetic immunity GENERAL DESCRIPTION TD1211D485H/TD2411D485H series are transceiver isolation module with integrated duplex power isolation, electrical isolation, and RS-485 interface bus protector; 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, three light couplings and RS-485 transceivers and device are only need to adopt a RS485 isolation module now. Simplify the customers on the isolation requirements of the design. SINGLE HIGH SPEED RS485 ISOLATION TRANSCEIVER MODULE (WITH DISTRIBUTION) ——TD1211D485H(12V Power supply) TD2411D485H(24V Power supply) PART NUMBER SYSTEM TD1211D485H rate Port signal type Package type Channel number Power distribution output Power input Digital bus product type SELECTION GUIDE Model Number Power Input TD1211D485H 11.4V~12.6V TD1211D485H 22.8V~25.2V ELECTRICAL CHARACTERISTICS Power Input Parameters Input Current(no Load) 12V power supply: ≤25mA 24V power supply: ≤18mA Send current 12V power supply: ≤40mA(Isolation power without load) 24V power supply: ≤25mA(Isolation power without load) Input Parameters Serial interface Compatible with +5 V and + 3.3 V UART Interface Pin current ITXD<2mA ;IRXD<2mA ;ICON<5mA Output Parameters Isolation power output Output Voltage :4.75V~5.8V Output Power: ≤0.4W 485 Bus interface Standard interface RS485 , pull-up and pull-down resistor have been set to A/B line. TRANSMISSION CHARACTERISTICS Transmission Rate Maximum 115200 bps 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 Truth Table Sending Status Control Input Output CON TXD A B Line state 0 1 1 0 Normal 0 0 0 1 Normal Receiving Status Control Input Output CON A-B RXD 1 0.2V 1 1 -0.2V 0 |
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