Yokogawa AMM21T Thermocouple Input Multiplexer Module

The YOKOGAWA AMM21T is a thermocouple input multiplexer module for the CENTUM VP and CENTUM CS series of distributed control systems. It can multiplex up to 16 thermocouple inputs into a single output. This output connects to a controller or recorder. The AMM21T is rugged and reliable, suitable for various industrial applications.

Key Features

• 16 thermocouple inputs
• Single output
• Cold junction compensation
• Linearization
• Signal conditioning
• Fault detection and isolation

Technical Specifications

• Input range: -200°C to +1800°C
• Thermocouple types: J, K, T, E, R, S, B, N
• Input impedance: ≥100MΩ
• Common mode rejection ratio: ≥60dB
• Output range: 0 to 20mA or 4 to 20mA
• Output accuracy: ±0.25%
• Response time: ≤2s
• Power consumption: ≤10W
• Operating temperature: -20°C to +60°C
• Storage temperature: -40°C to +70°C
• Humidity: 0 to 95% RH (non-condensing)

Applications

The AMM21T excels in several applications:

• Temperature measurement in industrial processes
• Monitoring furnaces, ovens, and other heat sources
• Quality control in manufacturing processes
• Environmental monitoring

Additional Information

The AMM21T offers several advantages:

• Compatibility with various CENTUM VP and CENTUM CS I/O modules
• Configuration using CENTUM VP and CENTUM CS System Configuration software
• Backed by YOKOGAWA’s global support network