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TD301D485H Datasheet(PDF) 1 Page - MORNSUN Science& Technology Ltd. |
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TD301D485H 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 TDx01D485H 2013.12.04-A/2 Page 1 of3 FEATURES l2-port electrical isolation between 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 lLow electromagnetic radiation lHigh electromagnetic immunity GENERAL DESCRIPTION TD301D485H/TD501D485H series are transceiver isolation module with integrated duplex power isolation, electrical isolation, and RS-485 interface bus protector; 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; Products can be easily embedded in the user equipment, achieve function of RS-485 network connection. SINGLE HIGH SPEED RS485 ISOLATION TRANSCEIVER MODULE ------TD301D485H(3.3V Power supply) TD501D485H(5.0V Power supply) PART NUMBER SYSTEM TD501D485H Rate Port signal type Package type Channel number Power distrubution output Power input Digital bus interface product type SELECTION GUIDE Model Input TD301D485H 3.17V~3.45V TD501D485H 4.75V~5.25V ELECTRICAL CHARACTERISTICS Power Input Input Current(no Load) ≤35mA Send current ≤70mA Input Serial interface Compatible with +5 V and + 3.3 V UART Interface Pin current ITXD<2mA;IRXD<2mA;ICON<5mA Output 485 Bus interface Standard interface RS485,A 4.7K Ω pullup to Vcc, B 4.7KΩ pulldown to GND 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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