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L-STUDIO AIR Next generation VAV control - Video

LIOB-AIR Controller

LIOB-AIR1
CEA-709BACnetDALIModbusMP-BusOPC XML-DAOPC UAEnOceanWireless Local Area Network (WLAN)LTESNMPAlarming (Alarm Management)SchedulingTrending (Historic Data Logging)IoTE-mail NotificationSMS NotificationEthernet (Ethernet Switch)LIOB-IPLocal I/OsGateway FunctionLocal ConnectionGlobal ConnectionLocal Manual OperationNetwork SecurityRemote AccessVNC (Virtual Network Computing)Web Server for Device ConfigurationMathematical FunctionsIEC 61499 – L-STUDIOIEC 61131 – L-STUDIOBACnet Router FunctionBackup / RestoreLWEB-900 Integrated Building Management SystemLWEB-802/803 VisualizationL-STATUL Recognized Product

Index

LIOB‑AIR is a fully IP based variable air volume controller (VAV controller) with a predefined, flexible, reprogrammable application program and sophisticated management functions for a building ventilation system.

The L‑STUDIO AIR designer supports fast and flexible project design meeting any VAV system requirements. Each VAV controller has a BACnet and an OPC network interface and integrates seamlessly into every BMS. The graphic pages for operation, supervision, and device configuration are hosted on the LIOB‑AIR eliminating the need for a Tridium or whatsoever middleware component. Without any additional effort L‑STUDIO AIR seamlessly integrates into the LWEB‑900 building management system. Local trending and alarming provide in depth operating conditions to the BMS. Local scheduling allows reliable zone operation even if the network is down. Sophisticated DCV algorithms save energy and 24/7 online test algorithms ensure proper system operation and detect malfunctioning devices like a blocked damper actuator, a stuck reheat valve, a dead series fan, etc.

Communication can be established via Ethernet or via the optional meshed WLAN. The dual Ethernet interface allows daisy chaining VAV controllers for simple network wiring. The optional built-in WLAN supports diversity antennas for reliable wireless communication in a self-healing meshed network topology. A dedicated port connects the L-STAT room operator panel for user interaction tasks. The builtin damper actuator communicates via MP-Bus and provides detailed status information. The built-in differential pressure sensor is used to measure the air flow. A number of universal inputs and analog and digital outputs can be configured to connect additional sensors and actuators. Additional devices are supported by an extra L-IOB, by RS-485 or wireless by EnOcean. An optional LTE-800 connected to the USB port allows for remote site access over a mobile network.

IoT Integration

The IoT function (Node.js) allows connecting the system to almost any cloud service, either for uploading historical data to analytics services, delivering alarm messages to alarm processing services or operating parts of the control system over a cloud service (e.g., scheduling based on Web calendars or booking systems). Processing Internet information such as weather data in forecast-based control is also possible. Finally, the JavaScript kernel also allows implementing serial protocols to non-standard equipment in primary plant control.

DALI Integration

The LIOB-AIR20 model provides an additional DALI communication port. This model allows for easy integration of lighting functions in the LIOB-AIR controller without the need for a separate L-DALI device. While having the comfort of using all L-DALI functions directly on the LIOB-AIR this reduces cost of installation giving this model a competitive edge in LIOB-AIR projects that require lighting solutions as well.

Supported VAV types
  • Standard VAV (only Air Flow Control without reheat and without fan)
  • VAV with electric reheat up to 3 stages
  • VAV with hot water reheat
  • VAV with series fan
  • VAV with series fan and electric reheat up to 3 stages
  • VAV with series fan and hot water reheat
  • VAV with parallel fan and electric reheat up to 3 stages
  • VAV with parallel fan and hot water reheat
  • All reheats can also have optional peripheral heat
Supported outputs (actuators)
  • Damper MP-Bus
  • Damper modulating
  • Damper floating
  • Parallel fan (also EC motors are supported)
  • Series fan (also EC motors are supported)
  • Reheat hot water modulating
  • Reheat hot water floating
  • Reheat electric modulating
  • Reheat electric up to 3 stages
  • Peripheral heat modulating
  • Peripheral heat floating
  • Peripheral heat on / off

Supported inputs (sensors)

  • Pressure (internal)
  • Space temperature
  • Space temperature setpoint, absolute setpoint and/or offset
  • Occupancy sensor
  • Occupancy override (setback override)
  • Discharge temperature
  • CO2 or VOC sensor
  • Relative humidity
  • Window contact
  • Damper feedback
  • Flow setpoint external (European version)
 

 

The LIOB-AIR VAV controller integrates the following applications:

  • Flow Control
  • Flow Configuration
  • Flow Alarms
  • Air Flow Calibration
  • Space Temperature Control
  • Sequence Control
  • Space Temperature Alarms
  • Space Temperature Setpoint Control
  • External Space Temperature Setpoint
  • Occupancy Control
  • Discharge Temperature Control
  • CO2 or VOC Control
  • Humidity control
  • External Flow Setpoint Operation
  • Data aggregation to the Air Handling Unit
  • Group Functions

 

 Sequence Control

 LIOB-AIR Visualization

 

LIOB-AIR Controller Products


LIOB-AIR1
LIOB-AIR1

LIOB I/O controller with application program variable air volume control

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LIOB-AIR2
LIOB-AIR2

LIOB I/O controller with application program variable air volume control

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LIOB-AIR13
LIOB-AIR13

LIOB I/O controller with application program variable air volume control

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LIOB-AIR20
 

L-IOB controller with application program variable air volume control, DALI lighting control, actuator included


(expected availability in Q3/2019)
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Related documents and software for LIOB-AIR20

L-IOT1
L-IOT1Add-on Software License to enable IoT functionality on LIOB-585/586/588/589, LIOB-AIR, and LINX-102/103/202/203
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