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TD312P485 bảng dữ liệu(PDF) 1 Page - MORNSUN Science& Technology Ltd. |
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1 / 3 page The copyright and authority for the interpretation of the products are reserved by MORNSUN TDx12P485 2013.12.04-A/1 Page 1 of3 FEATURES l Two-port electrical isolation input and output l Integrated isolated DC/DC converter l Bus protection l Isolation voltage 2.5KVDC l Operating temperature range:-40℃~+85℃ l Baud rate 9600bps l Connect up to 32 nodes on one bus l Low electromagnetic radiation l High electromagnetic immunity GENERAL DESCRIPTION RS-485 interface power Integrated isolated module TD312P485/TD512P485 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 two-port network connection The isolation RS-485 circuits of using a piece of power isolation module, six light couplings and two 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. DUAL LOW RATE RS485 ISOLATION TRANSCEIVER MODULE ——TD312P485(3.3V Power supply) TD512P485(5.0V Power supply) RoHS PART NUMBER SYSTEM TD512P485 Port signal type Package type Channel number Power di strubuti on output Power input Digital bus interface product type SELECTION GUIDE Model Power Input TD312P485 3.17V~3.45V TD512P485 4.75V~5.25V ELECTRICAL CHARACTERISTICS Power Input Parameters Input Current(no Load) TD512P485 ≤35 mA,TD312P485≤45mA Send current TD512P485 ≤80 mA,TD312P485≤120mA Power dissipation ≤0.4W Input Parameters Serial interface TD512P485Compatible with +5 V UART Interface TD312P485 Compatible with + 3.3 V UART Interface Pin current ITXD≤5mA;IRXD≤3mA;ICON≤5mA Output Parameters 485 Bus interface Standard interface RS485, pull-up and pull-down resistor, whose value is 4.7K,have been set to A/B line. Isolation power output Nominal 5V, ≤0.15W TRANSMISSION CHARACTERISTICS Transmission Rate Maximum 9600bps 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 ISOLATION CHARACTERISTICS Galvanic Isolation Two-port isolation(input and output) Isolation Voltage 2.5KVDC(Tested for 1minute and leakage current < 5mA, humidity <95%) |
Số phần tương tự - TD312P485 |
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Mô tả tương tự - TD312P485 |
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