The LC-IOM is a robust I/O expansion module from Johnson Controls that significantly extends the input and output capabilities of building automation systems. With its numerous universal inputs and diverse output options, this module provides the connectivity needed for comprehensive monitoring and control of HVAC equipment and other building systems.
Description
The Johnson Controls LC-IOM is an input/output expansion module designed for building automation and HVAC control systems. It features a total of 37 input/output points with 11 universal inputs, 14 binary outputs, and 12 analog outputs. The module interfaces seamlessly with Johnson Controls' programmable controllers and building automation systems via an MS/TP communications network. The universal inputs support multiple signal types including temperature, humidity, pressure, and voltage, making the module highly versatile for various sensing applications. The combination of binary and analog outputs provides comprehensive control capabilities for both on/off and modulating devices throughout the building system.
Key Features
- 37 total input/output points
- 11 universal inputs (UI)
- 14 binary outputs (BO)
- 12 analog outputs (AO)
- MS/TP network compatibility
- DIN rail mounting option
- 24 VAC/DC power supply
- LED status indicators
- Removable terminal blocks for easy installation
- Compatible with Johnson Controls' building automation systems
Technical Specifications
- Input/Output Configuration: 11UI/14BO/12AO
- Universal Inputs: 0-10 VDC, 4-20 mA, RTD, thermistor, dry contact
- Binary Outputs: Relay contacts, 24 VAC/VDC @ 0.5A
- Analog Outputs: 0-10 VDC @ 10 mA (max)
- Power Requirements: 24 VAC/DC ± 10%, 50/60 Hz
- Power Consumption: 10 VA maximum
- Communication: MS/TP (RS-485), 9600 to 115200 bps
- Processor: 32-bit microcontroller
- Operating Temperature: 32°F to 122°F (0°C to 50°C)
- Operating Humidity: 10% to 90% RH (non-condensing)
- Dimensions: 6.3" x 5.5" x 2.4" (160 x 140 x 60 mm)
- Weight: 1.1 lbs (0.5 kg)
- Mounting: DIN rail or panel mount
- Certification: UL, CE, FCC Part 15 Class B
Applications
- Air Handling Units (AHUs)
- Rooftop Units (RTUs)
- Variable Air Volume (VAV) Systems
- Chiller Plant Control
- Boiler Control Systems
- Building-wide Monitoring
- Complex HVAC Configurations
- Central Plant Equipment
Resources
- 📄 Datasheet:
- 🏢 Official Manufacturer: Johnson Controls
- 📷 Product Image:
Synonyms & Related Terms
- Johnson Controls IOM3711
- LC-IOM-3711-0
- LC IOM 3711 0
- I/O Module
- Building Automation
- HVAC Control
- Field Controller
Conclusion
The LC-IOM is a versatile and powerful I/O expansion module that significantly enhances the connectivity options for Johnson Controls building automation systems. With its comprehensive array of inputs and outputs, it provides the flexibility needed to address complex control requirements in modern HVAC applications. For further details about the LC-IOM or to inquire about compatibility with your existing building automation system, please contact Johnson Controls or an authorized distributor.
