TD301D485

Mornsun
Драйвер интерфейса RS-485, изолированный
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Технические характеристики

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Корпус DIP-8
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Industrial Bus TDx01D485 Series FEATURES Single RS485 isolation transceiver module       Integrated high efficient isolated DC-DC converter High baud rate of up to 9600bps Two-port isolation test voltage(2.5kVDC) Operating ambient temperature range: -40℃ to +85℃ The bus supports maximum 32 nodes Set isolation and ESD bus protection in one RoHS The main function of the TD301D485 / TD501D485 series is to convert a logic level signal into isolated RS485 differential level signals. The special integrated IC technology of the RS485 transceiver achieves isolation between the power supply and the signal lines isolation, does RS485 communication and protects the bus all in one and the same module. The product’s isolated power supply withstands a test voltage of up to 2500VDC. Also, they can easily be embedded in the user’s end equipment, to achieve fully functional RS485 network connections. Selection Guide Part No. Power input (VDC) Baud rate (bps) Static Current (mA) Max. Operating Current (mA) Number of Nodes TD301D485 3.17-3.45 9600 40 60 32 TD501D485 4.75-5.25 9600 30 40 32 Certification -- Input Specifications Item Power Input Input Operating Conditions Value Static Current Power on, no communication TD501D485≤30 mA, TD301D485≤40mA Send Current 9600bps Square wave communication TD501D485≤40 mA, TD301D485≤60mA TD301D485 Compatible with + 3.3 V UART interface only TD501D485 Compatible with + 5V UART interface only Serial Interface ITXD≤5mA; IRXD≤3 mA; ICON≤5mA Pin Current Bus Interface Item Output Operating Conditions Value Standard RS485 interface, pull-up and pull-down resistors with 4.7kΩ each on A and B channels. RS485 Bus Interface Transmission Specifications Item Operating Conditions Value Data Rate 9600bps (max.) Transceiver Switching Delay 30us -100us Delay time (typ. to max.) for transition from sending data (receiving data) to receiving data (sending data ) Number of Nodes Up to 32 nodes connected on one bus Transceiver Control Refer to below truth table Input Sending status Output CON TXD A B Line state 0 0 1 0 1 0 0 1 Normal Normal Input Truth Table Receiving status① Output CON A-B RXD 1 ≥-20mV 1 1 ≤-220mV 0 1 -220mV＜VA-VB＜-20mV Undefined state 2021.11.9-A/8 Page 1 of 4 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation PDF
Документация на TD301D485 

TDx01D485 Keywords:

Дата модификации: 16.12.2021

Размер: 1.13 Мб

4 стр.

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