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TD501D485H-E bảng dữ liệu(PDF) 1 Page - MORNSUN Science& Technology Ltd. |
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1 / 4 page Industrial Bus TDx01D485H-E Series 2015.03.10-A/3 Page 1 of 4 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation single high speed RS485 isolation transceiver module(enhanced version) CB RoHS FEATURES Baud rate high up to 500Kbps Connect up to 256 nodes on one bus 2500VDC isolation input and output Integrated high efficiency isolated DC/DC converter Operating temperature range: -40℃~+85℃ ESD protection, perfect EMC recommend circuit PART NUMBER SYSTEM TD501D485H-E Special mark Rate Port signal type Package type Channel number Power distrubution output Power input Digital bus interface product type Single high rate RS485 isolation transceiver module TD301D485H-E/TD501D485H-E series are RS485 transceiver module with integrated isolated power, Signal isolated chip and the bus protection device. Product's main function is to convert logic level to difference level of the RS485 agreement, and it implements the function of signal isolation.Products is with isolation power. It can achieve 2500 VDC electrical isolation and have the function of ESD protection. Product can be easily embedded user equipment, makes the equipment easily implement connection of RS485 protocol network . Selection Guide Certification Part No. Power Supply input (VDC) UL/CE TD301D485H-E 3.17~3.45 TD501D485H-E 4.75~5.25 Input Specifications Item Operating Conditions Value Input Power Supply Static current Products energized, no communication ≤ 40mA Send current 200kbps Square wave communication ≤ 70mA Input Serial interface TD301D485H-E compatible with + 3.3 V UART interface TD501D485H-E compatible with + 5 V UART interface Pin current ITXD≤2mA;IRXD≤2 mA; ICON≤5mA Bus Interface Item Operating Conditions Value Output RS485 bus interface Standard interface RS485 ,pull-up and pull-down resistor, whose value is 5.1K,have been set to A/B line. Transmission Specifications Item Operating Conditions Value Data Rate 500Kbps (max.) Transceiver Switching 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 256 nodes on one bus Transceiver control Contrary to common RS485 transceiver control level Truth Table Sending Status Control Input Output CON TXD A B Line state 01 1 0 Normal 00 0 1 Normal |
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