M-BUS RF 4 Click is a mikroBUS™ add-on board with a MIPOT 32001324 RF wireless transceiver. This module operates in the 868 MHz SRD Band. Thanks to its small LCC form factor (15 x 25 mm only) and its low power consumption this module allows the implementation of highly integrated low power (battery operated) solutions for water, gas, heat or electricity metering applications, both on meter or concentrator devices.
The M-BUS RF 4 Click is supported by a mikroSDK compliant library, which includes functions that simplify software development.
Considering that wireless M-Bus is designed to be a robust, power efficient, long range wireless communication solution that operates in the license-free ISM bands that makes him one of the most ideal industrial protocols.
M-BUS RF 4 Click is a mikroBUS™ add-on board with a 32001324 – 868MHz band TRX module from Mipot. The radio operates at the unlicensed 868 MHz SRD frequency band and has specified serial data rates of up to 115.2 Kbps. This M-BUS RF 4 Click is ideal for developing various applications, mainly solutions for water or gas, as well as heat and electricity metering applications, and even on meter and concetrator devices. The module supports various operating modes (S, T, R, C) to meet the requirements of one-way and two-way data communication, in stationary and mobile systems. The embedded stack implemented according to EN13757-4 Standard provides the physical access to the Wireless M-Bus communication.
At startup time, the Module reads INTERFACE_SELECTION input pin state, which is routed to the PWM pin (marked SEL on Click board™) of the mikroBUS™ socket. This pin should be left unconnected or set to high state to select the UART interface or set to low state to select the SPI interface for communicating with the main MCU. Widely used SPI and UART interfaces allow integration flexibility and easy development of customer products. The module meets all the requirements in the industrial temperature range -40/+85°C. Besides that, the module is also certified according to R&TTED 1999/05/EC and is compliant with the ReACH And ROHS directives.
The embedded stack implemented in the module according to EN13757-4 Standard provides the physical access to the Wireless M-Bus communication. M-BUS RF 4 Click communicates with the target MCU through the mikroBUS™ UART or SPI interface, with additional functionality provided by IND, SEL, and RTS CS/CTS pins.
This Click board™ is designed to be operated only with 3.3V logic level. A proper logic voltage level conversion should be performed before the Click board™ is used with MCUs with logic levels of 5V.
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