The L-IOB I/O Controller is a family of Input/Output programmable controllers featuring various I/O configurations. Based on LOYTEC’s 32-bit L-CORE platform, the L-IOB I/O Controllers provide first class performance and a wide area of applications.

The built-in PLC functionality makes the L-IOB I/O Controllers a good fit for various control applications in building automation. Tthe L-IOB I/O Controllers are programmed with L-LOGICAD in 61131-3. The same application libraries and application programs can be used on both platforms.

BACnet/IP Models
The LIOB-BACnet/IP I/O Controllers adhere to the BACnet Building Controller Profile (B-BC) and communicate over Ethernet/IP in the BACnet/IP network. The I/O data points can either be exposed through BACnet server objects or be actively fetched by the L-IOB I/O Controllers from a BACnet server via BACnet client maps.
LIOB-58x I/O Controllers are IP-enabled, compact, programmable automation stations for BACnet/IP networks with physical inputs and outputs and integrated graphical visualization.

BACnet/IP over Ethernet
LIOB-58x I/O Controllers communicate via Ethernet/IP (100Base-T Ethernet port) in the BACnet/IP network. Technology data points are automatically exposed as OPC tags via the integrated OPC server (XML-DA). The L-IOB I/O Controllers further allow data exchange over global connections (network-wide data exchange), offer AST™ functions like alarming, scheduling, and trending, store custom graphic pages for visualization in LWEB-800/802, and can be seamlessly integrated in the LWEB-900 building management system.

Available Input/Output configurations for this family products:

LIOB-BACnet IP I/O Controller: 8 UI, 2 DI, 2 AO, 8 DO (4xRelay 6A, 4xTriac [email protected])

LIOB-BACnet IP I/O Controller: 8 UI, 12 DI

LIOB- BACnet IP I/O Controller: 6 UI, 6 AO, 8 DO (Relay 6A)

LIOB- BACnet IP I/O Controller: 6 UI, 6 AO, 5 DO (4xRelay 16A, 1xRelay 6A)

LIOB- BACnet IP I/O Controller: 7 UI, 4 AO, 7 DO (5xRelay 6A, 2xTriac [email protected]), 1 Pressure Sensor (0-500Pa)

Ordering number: 
Supply input: 24Vdc
Technology: BACnet
Field bus: 1xBACnet/IP
Number of inputs: 

Local Operation and Override
The modules contain a 128x64 display with backlight showing device and data point information. A jog dial is used for local operation by navigating through detailed information on the display and for operating and overriding of data points.

The configuration of the L-IOB I/O Contollers is done with the L-INX Configuration Tool.
L-IOB Controllers provide removable, vibration-proofed terminal screws with a clamping yoke connection in a 5.08 mm raster for wiring. These terminals can accommodate diameters from 0.2–2.5 mm² (26–12 AWG).

Features LIOB-BACnet/IP I/O Controller:
• Automation station with physical input and outputs
• IEC 61131-3 programmable with L-LOGICAD
• Ethernet/IP interface
• Manual operation using the jog dial
• 128x64 graphic display with backlight
• Local access to information about device status and data points in clear text and symbols
• Stores customized graphical pages
• Visualization of customized graphical pages through LWEB 900 (building management), or LWEB 800/802
• Integrated web server for the device configuration and for monitoring of data points
• Extension to physical inputs and outputs with one LIOB I/O Module (LIOB BIP)
• Compliant with ANSI/ASHRAE–135 2008 and ISO 16484 5 standard
• BACnet objects for integration on BACnet/IP channels
• BACnet Client Mappings for integration on BACnet/IP channels
• Alarming, Scheduling, and Trending (AST ™)
• Event-driven e-mail notification
• Math objects to execute mathematical operations on data points
• Built-in OPC XML-DA server
• BTL Certified


The dimensions of the devices are presented on the drawing above.


Features of the I/O:

The Universal Inputs (UI) are corresponding to Class 1 with 1% accuracy, input voltage range of 0 to 30V.

Types of input:
• Binary Input:
o Input impedance: 10 KOhm
o Sampling rate: 10 mSec

• Voltage metering 0-10V
o Input impedance: 10 KOhm
o Sampling rate: 1 Sec

• Current Loop 4-20mA
o Input impedance: 249 Ohm
o Sampling rate: 1 Sec

• Resistance Measurement:
o Input impedance: 10 KOhm
o Sampling rate: 1 Sec

The Digital Inputs (DI) and Counter Inputs (S0-Pulse) are fast binary inputs, which can also be used as counter inputs (S0), corresponding to Class 1 with 1% accuracy, input voltage range of 0 to 30V.

• Input impedance: 10 KOhm
• Sampling rate: 10 mSec
• S0-Pulse: Positive switching

Analog Output (AO)
• Resolution: 10 bit
• Signal range: 0-10V, optional 0-12V
• Current: max. 10mA (short circuit proofed)
• Input impedance: 1.2 KOhm for linear output

Digital Output (DO)
• Relay Output:
o Switching capacity: 6A, 250Vac resp. 30Vdc
16A, 250Vac resp. 30Vdc
• Triac Output
o Switching capacity: 1A, 24 to 230Vac

Pressure Sensor
• Differential pressure sensor with 2 hose connectors:
o 0-500 Pa
o 3/16” (4,8mm) hose connector


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