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EthMBus-5M LITE, M-Port line
Ethernet to M-Bus communication converter
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Basic Ethernet converter
Designed for remote communication with M-Bus meters using the Ethernet computer network in building or home automation and similar applications.
The converter works only as a transparent gateway for transfer of M-Bus messages using TCP or UDP Ethernet protocols.
Data is available only through M-Bus protocol readout.
Main characteristics
M-Bus port
- Connection of 1 to 5 M-Bus slave devices.
The most commonly used devices are heat, water, gas and electricity consumption meters.
- Surge protection with standard level of protection against overvoltage.
- Current protection against overload and short circuit on the communication line
with LED status indication.
Power supply
- Wide range of power supply voltages. DC 8.5-40V or AC 8.5-28V.
- Over voltage protection.
- LED power supply indication.
Ethernet
- TCP, UDP protocols and virtual COM port software.
- 10/100BASE-TX ethernet port, RJ45 connector.
Mechanical construction
- Plastic box with mounting on 35 mm DIN rail.
Main software characteristics
Transparent gateway mode:
- TCP/IP connection in server mode - option for multiple simultaneous connections.
- TCP/IP connection in client mode.
- UDP connection in single or multiple clients mode.
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Software functions
- Converter configuration through web interface.
- TCP and UDP communication in server and client modes.
Main differences from the EthMBus-5M SMART converter
- No SMART functions for independent readout, processing and export of M-Bus data.
- Lower power consumption.
- Support for multiple connections in TCP/IP server mode.
- Doesn't provide Telnet interface for configuration.
- Doesn't provide logging of Ethernet activity and error states.
- No options for backup IP addresses for establishing TCP/IP connection.
Guarantee of quality
- Each converter passes through several functional electrical tests during the production.
Additionally a communication test is performed after final assembly.
- EMC certification in an accredited laboratory for industrial environment.
- Solid design and construction based on many years practical experience.
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| Communications interface | 10BASE-T or 100BASE-TX (auto-sensing) |
| Communication protocols | ARP, UDP, TCP, ICMP, AutoIP, DHCP, HTTP |
| Connector | RJ45 |
| Compatibility | Ethernet: Version 2.0/IEEE 802.3 |
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| Number devices that can be connected | 1 to 5 SLAVE devices, idle current max. 7.5mA |
| Baud rate | 300 - 9600 bps |
| Protection | - over voltage protection TVS 600W |
- electronic protection against overloads and short circuit on the communication line |
note: converter can withstand sustained short circuit on the communication line |
| Galvanic separation | up to 1kV from power supply, more than 1kV from Ethernet |
| Connector | terminals for wires of up to 2.5mm2 cross-section area |
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| Recommended range of power supply voltages |
| DC power supply | 8.5V to 40V |
| AC power supply | 8.5V to 28V |
| Maximum limits of supply voltage - permanent operation at these voltages is not recommended |
| Minimum power | 8V DC, 8V AC |
| Maximum power | 43V DC, 30V AC |
| Protection | overvoltage protection TVS 1500W |
| Power consumption | 1.3W to 2.2W. Depends on M-Bus line load and communication. |
| Maximum consumption during M-Bus line short is 2.7W. |
| Connector | terminals for wires of up to 2.5mm2 cross-section area |
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| Power - blue | indication of connected supply voltage |
| Transmit - green | indication of data transmission on the M-Bus line |
| Receive - yellow | indication of data reception on the M-Bus line |
| Overload/Short - red | indication of M-Bus line overload - LED is flashing (idle current > 7.5mA) |
| indication of short on the M-Bus line – LED is turned on (resistance of the line < 500Ω) |
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| Operating range | 0°C to 45°C |
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| Mechanical design | plastic box |
| Mounting | 35 mm DIN rail (EN 50022 top hat rail) |
| Dimensions: height x width x length | 56.5 x 17.5 x 97.5mm |
| Protection classification | IP20 |
| Weight | 52g |
EMC compatibility of the M-Bus converter has been tested according to the following standards in an
accredited laboratory.
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| Standard | Test | Level |
| EN 55022 | Power line - CONDUCTED EMISSIONS 10/150 kHz - 30 MHz | Class B |
| EN 55022 | RADIATED EMISSIONS (Electric Field) 30 MHz - 1000 MHz | Class B |
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| Standard | Test | Level |
| EN 61000-4-2 | ELECTROSTATIC DISCHARGE (ESD) - Contact discharge | ± 4 kV |
| EN 61000-4-2 | ELECTROSTATIC DISCHARGE (ESD) - Air discharge | ± 8 kV |
| EN 61000-4-4 | ELECTRICAL FAST TRANSIENT/BURST - Power line | ± 4 kV |
| EN 61000-4-4 | ELECTRICAL FAST TRANSIENT/BURST - M-Bus line | ± 4 kV |
| EN 61000-4-5 | SURGE IMMUNITY - Power line. Common/differential mode. | ± 1 kV / ± 0.5 kV |
| EN 61000-4-5 | SURGE IMMUNITY - M-Bus line. Cable shielding. | ± 4 kV |
| EN 61000-4-5 | SURGE IMMUNITY - M-Bus line. Common/differential mode.* | ± 2 kV / ± 1 kV |
| EN 61000-4-6 | CONDUCTED DISTURBANCES, INDUCED BY RADIO-FREQUENCY | 3 V |
| FIELDS 0.15MHz - 80 MHZ. Power line and M-Bus line. |
* test carried out at the request of the manufacturer. The M-Bus port of the converter achieves the highest
level of overvoltage protection according to the EN 61000-4-5 standard. Carrying out this type of test is not
required when a shielded cable is used.
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End user
Price list for individuals and companies
which do not buy converters for resale.
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Integrator
Price list for companies which buy converters for the purpose of resale
to their custommers as manufacturers or suppliers.
The price list is available only to registered business partners.
Registration request.
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Promotional leaflet
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Download
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EthMBus5M_LITE_flyer_v1_1_EN.pdf
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20.4. 2021
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404 kB
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Manual
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Download
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EthMBus5M_LITE_manual_v1_1_EN.pdf
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20.4. 2021
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1.30 MB
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Web Interface manual
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Download
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Ethernet_LITE_Web_Interface_v1_2_EN.pdf
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29.11. 2019
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1.87 MB
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Virtual COM port
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Top view
Typical application
Typical wiring of the converter with M-Bus devices, power supply and Ethernet network connection to a computer.
LED indication
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| Power |
Indication of connected supply voltage. |
blue |
| Transmit |
Indication of data transmission on the M-Bus line. |
green |
| Receive |
Indication of data reception and overload on the M-Bus line. |
yellow |
| Overload/Short |
Indication of overload or short circuit on the M-Bus line. |
red |
- indication of M-Bus line overload - LED is flashing (idle current > 7.5mA) |
- indication of a short on the M-Bus line - LED is turned on (resistance of line < 500Ω) |
Connectors on the M-Bus side
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M-Bus |
Connector for the M-Bus line. |
built-in |
Power |
Connector for power supply. |
built-in |
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Power supply terminal. |
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Power supply terminal. |
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Earth ground terminal. |
Connectors on the Ethernet side
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| Ethernet RJ45 |
Connector for Ethernet. |
RJ45 |
| Link |
Ethernet network connection status. The LED is turned off when connection is unavailable. The LED is turned on when connection is available. |
green |
| Rx/Tx |
Communication activity. The LED is turned on only during network communication. |
yellow |
Web Interface
Dimensions
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Slovensky
English
EthMBus-XL SMART
EthMBus-5M LITE
