TD501D485H

Mornsun
Драйвер интерфейса RS-485, изолированный
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Корпус DIP2410
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Industrial Bus TDx01D485H Series Single high speed RS485 isolation transceiver module FEATURES      Integrated high efficient isolated DC-DC converter High baud rate of up to 200kbps 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 UL 60950-1 EN62368-1 The main function of the TD301D485H / TD501D485H 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 Certification UL/EN Part No. Power input (VDC) Baud rate (kbps) Static Current (mA) Max. Operating Current (mA) Number of Nodes TD301D485H 3.15-3.45 200 20 130 32 TD501D485H 4.75-5.25 200 20 130 32 Input Specifications Item Power Input Input Operating Conditions Value Static Current Power on, no communication ≤20mA Send Current 200kbps Square wave communication ≤130mA TD301D485H Compatible with + 3.3 V UART interface only TD501D485H Compatible with + 5V UART interface only Serial Interface Input characteristics ITXD≤2mA; IRXD≤2mA; ICON≤5mA Pin Current Bus Interface Item Output Operating Conditions Value Standard RS485 interface, pull-up and pull-down resistors with 5.1kΩ each on A and B channels. RS485 Bus Interface Transmission Specifications Item Operating Conditions Value Data Rate 200kbps (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 1 1 0 Normal 0 0 0 1 Normal Truth Table Input Receiving status① Output CON A-B RXD 1 ≥-20mV 1 1 ≤-220mV 0 1 -220mV＜VA-VB＜-20mV Undefined state 2021.11.9-A/9 Page 1 of 4 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation PDF
Документация на TD301D485H 

TDx01D485H Keywords:

Дата модификации: 16.12.2021

Размер: 1.14 Мб

4 стр.

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