Key facts
- Brand
- Honeywell
- Model
- Excel 50
- Category
- Automation control Equipment
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-07
Start here
Honeywell Excel 50 MMI User Guide
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.
Honeywell Excel 50 specifications
| Analog Output Voltage Rating | 0…10 V (max 11 V) |
|---|---|
| Analog Output Current Rating | max 1 mA |
| Digital Output Voltage Rating | max 240 Vac per contact |
| Digital Output Current Rating | max 4 A at 240 Vac |
| Minimum Housing Spacing | 35 mm (1.5 in) |
Source: Honeywell Excel 500/600 Control System Installation Guide
All Honeywell Excel 50 documents by type
Mounting, wiring and first power-up. Read it before the hardware goes in.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the minimum spacing required between Excel 500/600 housings?
The housings must be spaced at least 35 mm (1.5 in) apart to allow the hinged cover to open.
From: Honeywell Excel 500/600 Control System Installation Guide
How are module addresses set on the Excel 500/600?
Module addresses are set using the rotary HEX switches on the upper surface of each input or output module.
From: Honeywell Excel 500/600 Control System Installation Guide
How can the Excel 50 MMI be reset?
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.
What does the PLUS key do on the Excel 50 MMI?
The PLUS key increases the displayed numeric value by 1, toggles a digital state, and can increment scrollbar values or create new schedules.