Han Xin ELV System

Han Xin ELV System Teaching ELV Systems: CCTV | Fire Alarm | Access Control | BMS | Networking | Smart Building Technology.

05/06/2026

AHU Control 🌬️🏢 | BMS HVAC Explained

What is AHU Control in BMS?🌬️ AHU = Air Handling UnitBMS controls:✔ Fan speed ✔ Cooling valves ✔ Dampers ✔ Air temper...
05/06/2026

What is AHU Control in BMS?

🌬️ AHU = Air Handling Unit

BMS controls:
✔ Fan speed
✔ Cooling valves
✔ Dampers
✔ Air temperature
✔ Ventilation airflow
✔ Filter monitoring

The goal is comfortable, clean, and energy-efficient air.

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04/06/2026

Field Panel ⚙️📦 | BMS Local Control Cabinet Explained

What is a BMS Field Panel?📦 It’s the local control cabinet for building systems.Inside a field panel:✔ BMS controllers ...
04/06/2026

What is a BMS Field Panel?

📦 It’s the local control cabinet for building systems.

Inside a field panel:
✔ BMS controllers
✔ Relays
✔ Power supplies
✔ Input/output modules
✔ Network communication devices
✔ Terminal wiring

It connects sensors, actuators, and equipment into one smart control system.

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03/06/2026

Digital Output ⚡🔘 | BMS ON/OFF Control Explained

What is Digital Output in BMS?🔘 It switches equipment ON or OFF.BMS uses digital output to:✔ Start fans ✔ Stop pumps ✔...
03/06/2026

What is Digital Output in BMS?

🔘 It switches equipment ON or OFF.

BMS uses digital output to:
✔ Start fans
✔ Stop pumps
✔ Turn lights ON/OFF
✔ Control exhaust systems
✔ Automate building operation

Simple command—powerful automation.

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02/06/2026

Smooth Equipment Control in Smart Buildings

What is Analog Output in BMS?⚡ It sends variable control signals like 0–10V.BMS uses it to:✔ Control fan speed ✔ Adjust...
02/06/2026

What is Analog Output in BMS?

⚡ It sends variable control signals like 0–10V.

BMS uses it to:
✔ Control fan speed
✔ Adjust valve position
✔ Regulate airflow
✔ Improve energy efficiency

More signal = more control.

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01/06/2026

BMS ON/OFF Signal Basic

What is Digital Input in BMS?🔘 It reads simple ON/OFF signals from field devices.Examples:✔ Pump RUN / STOP ✔ Door OPEN...
01/06/2026

What is Digital Input in BMS?

🔘 It reads simple ON/OFF signals from field devices.

Examples:
✔ Pump RUN / STOP
✔ Door OPEN / CLOSED
✔ Alarm ACTIVE / NORMAL
✔ Flow YES / NO

Simple signals—but very important for monitoring.

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