Product Description

The AMM32CJ is a high-density RTD input multiplexer engineered for precise temperature acquisition within the Yokogawa industrial automation ecosystem, including CENTUM CS and CENTUM VP systems. With 32 dedicated RTD input channels, the module enables large-scale thermal monitoring while maintaining a compact footprint in control cabinets and I/O nests.

Designed for installation flexibility, the AMM32CJ supports both 2-wire and 3-wire RTD configurations, ensuring compatibility with a wide range of field sensors. High-grade galvanic isolation, elevated insulation resistance, and robust dielectric strength protect measurement accuracy in electrically noisy environments, making the module well suited for continuous, mission-critical industrial operation.

Technical Specifications

Application Scenarios

• Refinery Tank Farms
  Multi-point temperature monitoring of storage tanks using 3-wire Pt100 sensors for long-distance accuracy.

• Pharmaceutical & Bioprocessing
  Precise thermal tracking across multiple fermenters and reaction vessels.

• Industrial HVAC Systems
  High-density RTD feedback for centralized monitoring of large-scale climate control infrastructure.

Product FAQ

Q: Does the AMM32CJ support 4-wire RTDs?
A: No. The module is designed for 2-wire and 3-wire RTD configurations. For 4-wire RTD applications requiring maximum precision, an alternative module or dedicated wiring solution is recommended.

Q: How does the AMM32CJ handle electrical noise from nearby equipment?
A: The module provides high galvanic isolation, featuring ≥100 MΩ insulation resistance and a 500 V AC withstand voltage, effectively protecting signal integrity against common-mode noise and ground loops.