Yokogawa AKB331 Signal Cable

Input: RTD (Pt100, JPt100) or Thermocouple (Type K, E, J, etc.).

Output: 4–20 mA DC (2-wire), HART® communication optional.

Accuracy: ±0.1% of span (RTD).

Power Supply: 10.5–55 V DC.

Ambient Temperature: -40°C to +85°C (-40°F to +185°F).

Protection: IP67, FM/ATEX/IECEx certifications.

Display: Optional LCD indicator.
 

Multi-Channel Signal Transmission: Yokogawa AKB331 is equipped with 50-50 pin D-sub connectors, the AKB331 enables reliable signal transmission between Yokogawa ProSafe-RS modules and terminal boards, supporting both analog and digital signal transfer in industrial automation systems .

Anti-Misinsertion Design: Incorporates option codes to prevent incorrect module connections, ensuring compatibility and reducing installation errors in complex control systems .

Flexible Length Configurations: Available in lengths from 1m to 50m, denoted by suffix codes, allowing customization for both short-range and long-distance signal routing in distributed control systems (DCS) .

Robust Environmental Tolerance: Yokogawa AKB331 operates reliably in temperatures ranging from -20℃ to +80℃ and humidity levels up to 95% (non-condensing), making it suitable for harsh industrial environments.

Redundancy Support: Compatible with ProSafe-RS safety control systems, supporting redundant configurations to ensure continuous operation in critical applications like oil refineries and power plants .

ProSafe-RS Safety System Integration: Yokogawa AKB331 connects SDV144, SDV531, SDV53A, SDV541, and SAT145 I/O modules to terminal boards in Yokogawa’s ProSafe-RS safety control systems, ensuring reliable signal transmission for critical safety functions like emergency shutdowns and hazard detection in oil refineries or chemical plants .

Redundant Power and Signal Distribution: Supports dual-redundant configurations in distributed control systems (DCS), enabling continuous operation in power generation plants by linking redundant modules for voltage, current, and pressure monitoring.

Pharmaceutical Manufacturing Control: Yokogawa AKB331 ensures precise signal integrity in sterile production environments by connecting sensors and actuators to control parameters like temperature, pressure, and flow rates during drug formulation and packaging.

Hazardous Environment Compliance: Deployed in flammable or explosive atmospheres (e.g., gas pipelines, offshore platforms) with explosion-proof variants, adhering to safety certifications like FMNI and Type n for uninterrupted data transmission in high-risk zones.

Industrial Automation Scalability: Yokogawa AKB331 facilitates modular system expansions in factory automation, such as automotive or robotics production lines, by enabling flexible I/O card additions (up to 14 nodes) and supporting HART/Fieldbus protocols for real-time device communication.