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TD301D485 Datasheet(PDF) 1 Page - MORNSUN Science& Technology Ltd. |
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TD301D485 Datasheet(HTML) 1 Page - MORNSUN Science& Technology Ltd. |
1 / 4 page Industrial Bus TDx01D485 Series 2015.09.16-A/3 Page 1 of 4 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation single RS485 isolation transceiver module FEATURES Two-terminal isolation ( input and output are mutually isolated) Integrated Isolated DC/DC converter Bus protection Isolation voltage :2.5KVDC Operating temperature range:-40℃~+85℃ Baud rate 9600bps Connect up to 32 nodes on one bus TD301D485/TD501D485 series are transceiver isolation module with integrated duplex power isolation, electrical isolation, and RS485 interface bus protector ; Products can be easily embedded in the user equipment, achieve function of RS485 network connection. The isolation RS485 circuits of using a piece of power isolation module, three light couplings and RS485 transceivers and device are only need to adopt a RS485 isolation module now. Simplify the customers on the isolation requirements of the design. Selection Guide Part No. Power Supply input (VDC) TD301D485 3.17~3.45 TD501D485 4.75~5.25 Input Specifications Item Operating Conditions Value Input Power Supply Static current Products energized, no communication TD501D485≤30 mA,TD301D485≤40mA Send current 9600bps Square wave communication TD501D485≤40 mA,TD301D485≤60mA Input Serial interface TD301D485 compatible with + 3.3 V UART interface TD501D485 compatible with + 5 V UART interface Pin current ITXD≤5mA;IRXD≤3 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 4.7K,have been set to A/B line. Transmission Specifications Item Operating Conditions Value Data Rate 9600bps (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 32 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 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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