What is the difference between the direct control panel and the multi-line manual control panel on the fire main engine?

The direct control panel and multi-channel manual control panel on the fire fighting host are two common control devices in the fire fighting system, and their differences are as follows:

1. Function: The direct control panel is usually used for basic manual control of the fire fighting system, such as starting, stopping and resetting the fire alarm. It can only control specific areas or specific equipment, and cannot do detailed partition control. The multi-line manual control panel has more operation buttons and indicator lights, which can realize more functions, such as independent control of different areas, display of alarm status, testing of fire-fighting equipment, etc.

2. Wiring mode: The direct control panel generally adopts single-wire control mode, that is, each control button needs to be independently wired to the corresponding equipment or area. Multi-line manual control panel adopts multi-line control mode, and connects the host computer and the control panel through a set of control lines to realize the control of multiple devices or areas.

3. Control range: The control range of the direct control panel is usually small, and it can only control specific areas or specific equipment. Multi-line manual control panel can control a wider range of areas and equipment, which is suitable for large buildings or complex fire control systems.

4. Operation mode: The direct control panel is generally operated by buttons or switches. Multi-line manual control panel usually has more operating elements, such as buttons, knobs, selectors, etc. , more operation modes and functions can be realized.

It is necessary to select the appropriate control equipment according to the specific requirements of the fire protection system. If you only need basic manual control, you can choose the direct control panel; If you need to realize more functions and control ranges, you can choose a multi-line manual control panel. At the same time, the reliability, availability and compatibility of the equipment should also be considered.