MS721

Ruimeng Technology
MS721 METER-BUS TRANSCEIVER DESCRIPTION MS721 is a single chip transceiver developed for MeterBus standard (EN1434-3) applications. The MS721 interface circuit adjusts the different potentials between a slave system and the Meter- Bus master. The connection to the bus is polarity independent and supports full galvanic slave isolation with optocouplers. The circuit is supplied by the master via ...
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Корпус SOP-16
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MS721 METER-BUS TRANSCEIVER DESCRIPTION MS721 is a single chip transceiver developed for MeterBus standard (EN1434-3) applications. The MS721 interface circuit adjusts the different potentials between a slave system and the Meter- Bus master. The connection to the bus is polarity independent and supports full galvanic slave isolation with optocouplers. The circuit is supplied by the master via the bus. Therefore, this circuit offers no additional load for the slave battery. A power-fail function is integrated. The receiver has dynamic level recognition, and the transmitter has a programmable current sink. A 3.3-V voltage regulator, with power reserve for a delayed switch off at bus fault, is integrated FEATURE Application • Meter-Bus Transceiver (for Slave) Meets ■ Standard EN1434-3 Meter-Bus • Receiver Logic With Dynamic Level Recognition • Adjustable Constant-Current Sink via Resistor Package • Polarity Independent • Power-Fail Function ■ • Module Supply Voltage Switch SOP16 • 3.3-V Constant Voltage Source • Remote Powering • Up to 9600 Baud in Half Duplex for UART Protocol • Slave Power Support – Supply From Meter-Bus via Output VDD – Supply From Meter-Bus via Output VDD or From Backup Battery – Supply From Battery – Meter-Bus Active for Data Transmission Only Hangzhou Ruimeng Technology Co.,LTD www.relmon.com Version:1.4 2019.01.24 Page:1/13 PDF
Документация на MS721 

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Дата модификации: 30.07.2022

Размер: 1.45 Мб

13 стр.

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