Description The Omron EJ1N-TC2A-QNHB is a modular temperature controller basic unit designed for precise multi-point temperature control in industrial systems. It supports two independent control points with flexible input and output configurations to manage heating processes accurately. This unit operates on a 24 VDC supply and is intended for panel-mounted modular temperature control architectures. Technical Specifications Condition New/Never Used Surplus Brand Omron Category Temperature Controllers Part Number EJ1N-TC2A-QNHB Subcategory Modular Temperature Controllers Series EJ1N Series Product Type Modular Temperature Controller Unit Type Basic Unit Supply Voltage 24 VDC Number of Control Points 2 Input Types TC, PRT, Analog Voltage, Analog Current Output 1 & 2 Type Voltage Output Output 3 & 4 Type Transistor Output (Sinking) Heater Burnout Alarm 2 Channels Event Inputs 2 Communication Interface RS-485 Terminal Type M3 Screw Terminal Mounting Type Panel / Modular Mount Weight 0.397 lb Information About EJ1N-TC2A-QNHB The EJ1N-TC2A-QNHB is part of Omron’s EJ1N series, which is engineered for scalable and space-efficient temperature control solutions. It functions as a basic unit capable of handling multiple sensor types, including thermocouples, platinum resistance thermometers, and analog voltage or current inputs. The controller incorporates voltage outputs, sinking transistor outputs, and heater burnout alarm functions to enhance process reliability. With RS-485 communication and M3 terminal connections, it is designed for integration into networked industrial control systems. Key Features: Modular Temperature Controller Basic Unit: Designed for expandable temperature control systems. Dual Control Points: Supports two independent temperature control loops. Selectable Input Types: Compatible with TC, PRT, and analog voltage/current inputs. Multiple Output Configurations: Includes voltage outputs and sinking transistor outputs. Heater Burnout Alarms: Provides two independent alarms for heater fault detection. RS-485 Communication Interface: Enables networked monitoring and control. 24 VDC Power Supply: Suitable for standard industrial control power systems. The EJ1N-TC2A-QNHB delivers the reliability and precision required for modular industrial temperature control applications.
