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General| Model | M-Bus Master MultiPort 250D |
|---|---|
| Category | Industrial Equipment |
| Communication Protocol | M-Bus |
| Number of M-Bus Slaves/Ports | 250 |
| Power Supply | 24 VDC |
| Storage Temperature | -40°C to +70°C |
| Mounting Type | DIN Rail |
| Interface | Ethernet |
| Humidity | 5% to 95% (non-condensing) |
| Weight | 200g |
Details the physical construction, protection class, and front panel components of the M-Bus Master.
Summarizes key capabilities: master, repeater, level converter, addressing, communication ports, and repeater function.
Lists connection terminals, their designations, colors, and descriptions for power, USB, RS-232, RS-485, and M-Bus.
Explains the switch mode power supply requirements (100-240V, 50/60 Hz) and mains cable connection.
Details the USB 2.0 connection for M-Bus communication, supported speeds, and cable length.
Details the RS-232 interface for M-Bus communication, supported speeds, and cable length.
Explains the RS-485 interface for M-Bus communication, supported speeds, and cable length.
Describes the optical eye interface for M-Bus communication and its supported speeds.
Details the M-Bus output terminals for connecting meters and their current/voltage characteristics.
Explains configuration as a repeater and its input terminals (53/54) for extending network size.
Highlights the newest cable driver technology making the master insensitive to M-Bus network capacity.
Covers voltage limits (41V output, 18V minimum), current loads (UL), and their impact on meter readability.
Discusses essential parameters affecting M-Bus network cable length and performance, including cable types, topology, and network sizes.
Explains the primary addressing method for meters, requiring unique addresses from 001 to 250.
Details secondary addressing using the last 8 digits of the meter number as M-Bus ID.
Describes enhanced secondary addressing using the meter's unique serial number.
Lists supported communication speeds for M-Bus: 300, 2400, and 9600 baud.
Explains transparent reading via various ports (USB, RS-232, RS-485, optical eye) with collision detection.
Details the function of each of the six keys (Left/Right function, Up, Down, Back, OK) for menu navigation and operation.
Explains the meaning of the four status LEDs: Power (green), Request (orange), Data (orange), and Overload (red).
Details the 128x64 pixel backlit display and how its four corners display different information types.
Explains the main menu structure, time/date, master configuration, and unit load display.
Describes how to perform primary or secondary meter searches (scanning) on the M-Bus network.
Covers methods for reading meter data, either immediately after scanning or by selecting from the 'Read Meter' menu.
Details how to read logged data from meters, by selecting logger periods and entries, and displaying the retrieved data.
Covers various configuration settings accessible via the master's display, including date, time, contrast, and M-Bus parameters.
Describes the Green Mode function for reducing electricity consumption by switching off power to M-Bus slaves.
Covers miscellaneous settings like Backlight Mode and Clock Appearance.
Explains how to set up and use the PIN code for security of keyboard and optical eye.
Provides access to advanced functions for meter reading, network troubleshooting, and diagnostics.
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