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Radiocrafts
Embedded Wireless Solutions
Wireless M-Bus Multi-Mode RF Transceiver Module
(EN 13757-4:2005)
Product Description
The RC1180-MBUS RF Transceiver Module is a compact surface-mounted high performance
module with embedded Wireless M-Bus protocol. The module has a UART interface for serial
communication and configuration, and a one-pin antenna connection. The module is pre-
certified for operation under the European radio regulations for license-free use and
measures only 12.7 x 25.4 x 3.3 mm with shielding. When used with quarter-wave antennas a
line-of-sight range of 500-600 meter can be achieved. The RC1180-MBUS meets the
Wireless M-Bus specification S, T and R2 modes, and operates in 12 channels in the 868
MHz frequency band.
Applications
Wireless M-Bus
•
Automatic Meter Reading (AMR)
•
Advanced Metering Infrastructure (AMI)
•
Electricity meters
•
•
Gas and Water meters
Heat meters, Heat cost allocators
•
Readers and concentrators
•
Features
•
Embedded Wireless M-Bus protocol supporting EN 13757-4:2005 mode S, T and R2
12.7 x 25.4 x 3.3 mm compact module for SMD mounting
•
Easy to use UART interface for communication and configuration
•
Wide supply voltage range, 2.0 – 3.6 V
•
Ultra low power modes for extended battery lifetime
•
2 channels (868.3, 868.95 MHz) in mode S and T
•
10 channels in mode R2 (868.03 + n x 0.06 MHz)
•
No external components except antenna
•
Configurable Manufacturer ID and serial number
•
Conforms with EU R&TTE directive (EN 300 220, EN 301 489, EN 60950)
•
Designed for EX compliance
•
Quick Reference Data
Parameter
Frequency bands
Number of channels
Data rate
Max output power
Sensitivity, R/S/T
Supply voltage
Current consumption, RX / TX
Current consumption, SLEEP
Temperature range (S and T mode)
PRELIMINARY INFORMATION. Specifications and information herein are subject to change without notice.
©2008 Radiocrafts AS
RC1180-MBUS
RC1180-MBUS
868.0 – 870.0
4.8, 32.768, 100
-106/-102/-101
-40 to +85
RC1180-MBUS Data Sheet (rev. 2.00)
Unit
MHz
12
kchip/s
9
dBm
dBm
2.0 – 3.6
Volt
24 / 37
mA
Typ 0.3
uA
°C
Page 1 of 16
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Summary of Contents for Radiocrafts RC1180-MBUS
- Page 1 12.7 x 25.4 x 3.3 mm with shielding. When used with quarter-wave antennas a line-of-sight range of 500-600 meter can be achieved. The RC1180-MBUS meets the Wireless M-Bus specification S, T and R2 modes, and operates in 12 channels in the 868 MHz frequency band.
- Page 2 The hardware is the same for all solutions, and the different feature sets available are listed in the table below. Detailed information on how to use the different feature set is described in the RC1180-MBUS User Manual. Feature List...
- Page 3 Wireless M-Bus Modem The standard RC1180-MBUS module acts like a wireless M-Bus modem with a UART interface. The embedded protocol transmits and receives the wireless M-Bus data packets based on application messages from an external source (the meter or the concentrator). The module automatically adds the Command field, the Manufacturer ID and the unique Address based on parameters configured in the module.
- Page 4 The RSSI value increases with increased input signal strength in 0.5 dB steps. Input signal strength is given by (typ.): P = - RSSI / 2 [dBm] ©2008 Radiocrafts AS RC1180-MBUS Data Sheet (rev. 2.00) Page 4 of 16...
- Page 5 Radiocrafts in a pilot product phase. One-Button Installation (optional custom specific version) Due to the two-way transceiver capability of the RC1180-MBUS module, a simple and robust installation procedure can be used even for S1 and T1 (one-way) operation modes. In a full M-Bus application, the Radiocrafts unique “one-button” installation feature simplifies the installation and reduces installation time substantially.
- Page 6 The supply voltage is connected to the VCC pin. The module contains an internal voltage regulator for the RF transceiver and can therefore operate over a wide supply voltage range. ©2008 Radiocrafts AS RC1180-MBUS Data Sheet (rev. 2.00) Page 6 of 16...
- Page 7 UART Clear to Send UART Request to Send Input: CONFIG Configuration Enable. Active low. Should normally be set high UART TX Data UART RX Data Output: System ground System ground ©2008 Radiocrafts AS RC1180-MBUS Data Sheet (rev. 2.00) Page 7 of 16...
- Page 8 Note 2: The CONFIG pin can be used to enter configuration mode (change of default settings) as an alternative to the 0x00 command. Active low. Note 3: Other digital interfaces may be specified upon request. ©2008 Radiocrafts AS RC1180-MBUS Data Sheet (rev. 2.00) Page 8 of 16...
- Page 9 VCC pin of the RC11XX-RC232 module. Alternatively the RC1180-MBUS may be powered form a separate voltage regulator. This will ensure that potential switching noise is filtered out from the power supply to the RC1180-MBUS. A block diagram of a typical PC serial port interface is illustrated below.
- Page 10 Radiocrafts. A Declaration of Conformity is available from Radiocrafts on request. The relevant regulations are subject to change. Radiocrafts AS do not take responsibility for the validity and accuracy of the understanding of the regulations referred above. Radiocrafts only guarantee that this product meets the specifications in this document.
- Page 11 It is recommended that vias are tented. Reserved pins should be soldered to the pads but the pads must be left floating. ©2008 Radiocrafts AS RC1180-MBUS Data Sheet (rev. 2.00) Page 11 of 16...
- Page 12 The standard requires that the heat dissipated in the "surroundings" on the PCB is taken into account. The peak temperature should be adjusted so that it is within the window specified in the standard for the actual motherboard. ©2008 Radiocrafts AS RC1180-MBUS Data Sheet (rev. 2.00) Page 12 of 16...
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Page 13: Electrical Specifications
Adjacent channel power Occupied bandwidth 99.5% Spurious emission, TX < 1 GHz > 1 GHz Sensitivity S-mode -100 -102 T-mode -100 -101 R2-mode -105 -106 Adjacent channel rejection ©2008 Radiocrafts AS RC1180-MBUS Data Sheet (rev. 2.00) Page 13 of 16... -
Page 14: Reset Pin
70 % UART Baud Rate tolerance +/- 2 UART receiver and transmitter Configuration memory write 1000 The guaranteed number of cycles write cycles using the ‘M’ command is limited ©2008 Radiocrafts AS RC1180-MBUS Data Sheet (rev. 2.00) Page 14 of 16... -
Page 15: Product Status
Obsolete Not in Production This data sheet contains specifications on a product that has been discontinued by Radiocrafts. The data sheet is printed for reference information only. ©2008 Radiocrafts AS RC1180-MBUS Data Sheet (rev. 2.00) Page 15 of 16... - Page 16 Radiocrafts AS customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Radiocrafts AS for any damages resulting from any improper use or sale.
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