ELV Infrastructure & BMS | Microlines Infotech

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ELV Infrastructure & BMS

Integrated Extra Low Voltage (ELV) engineering and Building Management Systems (BMS) for smart commercial towers, data centers, and industrial facilities. Featuring Honeywell, Schneider EcoStruxure, and Siemens Desigo BACnet IP building automation, IP Public Address & Intercom (PA/VA), life safety Fire Alarm integration, and central SCADA energy management.

domain Building Management Systems (BMS) & BACnet IP / Modbus campaign IP Public Address & Voice Alarm (PA/VA) Intercom local_fire_department Life Safety Fire Alarm System Integration & Auto-Trip bolt SCADA Energy Metering & HVAC Chiller Plant Automation

up to 35% HVAC & Chiller Energy Savings

< 1 s Life Safety Fire Override Trip

100% BACnet / Modbus Protocol Integration

24/7 Central SCADA Building Command

TOPIC 01 // BUILDING AUTOMATION & BACNET IP SCADA

Honeywell, Schneider & Siemens Central BMS Platforms

Unify HVAC chillers, Air Handling Units (AHUs), VAV boxes, electrical meters, and lighting controls under a single web-based SCADA interface. Our BACnet IP and Modbus TCP building management systems optimize energy consumption through AI predictive scheduling and automated chiller plant staging.

check_circle BACnet IP, Modbus TCP, LonWorks, and MQTT open protocol interoperability.
check_circle Automated HVAC VFD control and variable speed chiller plant optimization (up to 35% energy savings).
check_circle Central SCADA 3D graphics dashboard with real-time temperature, humidity, and airflow trend logging.

Smart Building BMS SCADA Command Center Dashboard

Central BACnet IP SCADA Building Management Console

Commercial Building Ceiling Speakers & IP PA Intercom Station

Bosch & TOA IP Networked Public Address & Voice Alarm System

TOPIC 02 // IP PUBLIC ADDRESS & VOICE ALARM (PA/VA)

Bosch & TOA Networked IP Paging & Evacuation Systems

Deliver crystal-clear background music, zone-wise live voice paging, and automated emergency evacuation broadcasts. Our IP PA/VA systems feature Dante audio-over-IP networking, class-D digital amplifiers, line-monitoring ceiling speakers, and EN54-16 certified voice alarm controllers.

check_circle Dante Audio-over-IP network architecture supporting multi-zone live paging consoles.
check_circle EN54-16 certified voice evacuation system with pre-recorded multi-lingual emergency messages.
check_circle Automatic ambient noise sensing adjusting speaker volume dynamically during peak office hours.

TOPIC 03 // FIRE ALARM TRIP & EMERGENCY LIFE SAFETY SYNC

Addressable Fire Panels & Automated Override Relays

Integrate life safety systems for immediate automated response during a fire event. Upon receiving an alarm signal from addressable optical smoke or heat detectors (Notifier, Siemens, Cooper), the BMS triggers emergency relay sequences in under 1 second to safeguard building occupants.

check_circle Instant emergency relay trip unlocking access control doors and turnstiles for evacuation.
check_circle Automated AHU fresh air shutdown and smoke extraction fan pressurization activation.
check_circle Elevator recall integration sending lift cabs directly to the ground floor exit level.

Fire Alarm Control Panel Array & Life Safety Console

Addressable Fire Alarm & Emergency Life Safety Control Panel

Engineering Specifications Matrix

BMS Architecture	Modular Direct Digital Controllers (DDC) with Native BACnet IP / Modbus Interfaces
Supported Open Protocols	BACnet IP, BACnet MS/TP, Modbus RTU/TCP, LonWorks, OPC UA, MQTT Cloud Bridge
Life Safety & Fire Integration	Addressable Fire Alarm Relay Input, Emergency Door Release, AHU Smoke Damper Trip
IP PA/VA Intercom Audio	Dante Audio-over-IP, EN54-16 Certified VA Controller, Class-D Amplifiers (100V Line)
Energy Management & SCADA	Real-Time kWh Metering, Power Factor Analysis, Chiller Plant COP Optimization, BTU Meters
Field Controllers & I/O Modules	Universal Analog Inputs (NTC/PT1000/0-10V), Digital Inputs, Relay Outputs, VFD Speed Control
Emergency Battery & Fail-Safe	Dual UPS Power Inputs, Non-Volatile Flash Memory, Fail-Safe Relay Default Conditions

Related BMS Controllers & ELV Equipment

Direct Digital Controllers (DDC), IP PA/VA audio matrices, addressable fire alarm panels, and smart building BMS integration services from Honeywell, Schneider, Siemens, and Bosch.

Schneider / Honeywell BACnet IP Direct Digital Controller

Schneider / Honeywell DDC Controller

BACnet IP Field Controller

Programmable BACnet IP DDC with 32 universal I/O points, Modbus RS485 expansion, and web HTML5 embedded server.

Bosch / TOA 8-Zone Networked IP PA/VA Audio Matrix

Bosch / TOA IP PA/VA Audio Controller

EN54-16 Voice Evacuation

8-zone IP public address matrix with pre-recorded emergency messages, line monitoring, and Dante network mic interface.

Addressable Fire Alarm Control Panel FACP & Smoke Sensor Loop

Addressable Fire Panel (FACP)

Life Safety Control Panel

2-Loop addressable fire alarm panel supporting 252 points, LCD touch display, and BMS BACnet interface card.

BMS Integration & Energy Audit

Turnkey Commissioning & SCADA

Includes BACnet device discovery, SCADA 3D graphics design, HVAC VFD tuning, and life safety trip sequence testing.

Frequently Asked Questions

Technical answers regarding BACnet/Modbus protocol integration, life safety fire trip override sequences, IP PA/VA voice evacuation, and HVAC energy optimization.

1. How do open protocols like BACnet IP and Modbus TCP integrate disparate building systems?

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BACnet IP and Modbus TCP are standardized open communication protocols supported across HVAC chillers, electrical meters, VFDs, and lighting controllers. Our central BMS software acts as a universal aggregator, discovering points automatically across IP networks without requiring proprietary gateway black-boxes.

2. What sequence of events occurs when the BMS receives a Fire Alarm trip signal?

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Upon receiving an emergency fire signal (<1s), the BMS executes pre-programmed life safety logic: 1) Unlocks magnetic locks on all access control doors and turnstiles, 2) Shuts down fresh-air AHUs to starve flames of oxygen, 3) Closes motorized fire dampers, 4) Starts stairwell smoke pressurization fans, and 5) Recalls elevators to the ground floor exit level.

3. What is EN54-16 compliance and why is it required for Voice Alarm (PA/VA) evacuation systems?

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EN54-16 is the mandatory European standard for Voice Alarm Control and Indicating Equipment (VACIE). It guarantees that the public address system monitors speaker line integrity, features redundant battery power, and broadcasts clear, intelligible pre-recorded evacuation instructions during fire emergencies.

4. How does a BMS achieve up to 35% in HVAC and chiller plant energy savings?

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HVAC systems account for over 50% of commercial building energy consumption. The BMS continuously calculates building thermal load demand and dynamically adjusts chiller chilled-water supply temperatures, staging chillers on/off at peak COP efficiency, and throttling Variable Frequency Drives (VFDs) on AHU fans based on CO2 and occupancy sensors.

5. How does Direct Digital Controller (DDC) redundancy prevent building automation downtime?

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Our DDCs feature dual Ethernet ports supporting Rapid Spanning Tree Protocol (RSTP) ring topologies. If a network cable breaks, the network self-heals in under 20ms. Field controllers execute standalone control loops locally in non-volatile flash memory, ensuring HVAC and lighting continue operating even if central SCADA server communication is temporarily lost.

Build a Smart, Energy-Efficient Facility

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