Excel 50 MMI User Guide, introduces the basic functions and usage of Excel 50 MMI.
This User Guide describes how to operate the Excel 50 MMI for configurable applications, covering changes introduced in firmware version 2.05 and later. It details the keyboard layout, display functions, fast‑access keys, and the new back‑lit screen that improves readability.
The manual also provides instructions for setting up data‑points, time programs, alarm handling, system configuration, and hardware interface options such as C‑Bus, LON‑Bus, and M‑Bus. Reset procedures, password management, and troubleshooting steps are included to help technicians maintain reliable operation.
| Display | Back‑lit LCD screen |
|---|---|
| Keyboard | 8 basic function keys and 4 fast‑access keys |
You can reset it by pressing the DOWN ARROW and MINUS keys together, or by pressing the hardware RESET button at the rear of the controller housing.
The PLUS key increases the displayed numeric value by 1, toggles a digital state, and can increment scrollbar values or create new schedules.