Audited Supplier
Ms520
Semiconductor IC
Public Transport Terminal
Flat
Carton Packing
Changzhou
8542399000
Product Description
MS721 is a single chip transceiver developed for Meter
Bus 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
• Meter-Bus Transceiver (for Slave) Meets
Standard EN1434-3
• Receiver Logic With Dynamic Level
Recognition
• Adjustable Constant-Current Sink via Resistor
• Polarity Independent
• Power-Fail Function
• Module Supply Voltage Switch
• 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
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We insist in the principal of ""Quality First, Clients First". Your satisfaction is our eternal pursuit. We Strictly follows ISO9001 quality system to arrange manufacturing. With high-class raw material, strict quality control in both the workshop and laboratory with various professional testing equipment, Xita Plastic ensures that every single product meets the corresponding inspection standard.
