


Product Description
Product Details: Yokogawa AAT145-S50 S1 - TC/RTD Input Module (16-channel, Isolated Channels)
The Yokogawa AAT145-S50 S1 TC/RTD Input Module is a high-performance solution designed for industrial automation systems. It supports a variety of input signal types, including thermocouple (TC), resistance temperature detectors (RTD), millivolt (mV), and potentiometer (POT) signals. This module features 16 isolated channels, providing high signal isolation between the field and the system, as well as between each channel. It is designed for use in dual-redundant configurations to ensure continuous operation in critical systems.
Key Specifications:
Specification | AAT145-S50 S1 (TC/RTD Input Module) |
---|---|
Number of Input Channels | 16, Isolated channels |
Input Signal | - TC: Type J, K, E, B, R, S, T, N (JIS C1602, IEC 60584-1) - mV: -100 to 150 mV, -20 to 80 mV - RTD: Pt100 (3-wire type, JIS C1604, IEC 60751) - POT: 100 Ω to 10 kΩ (Total resistance) |
Allowable Input Voltage | ±5 V |
Withstanding Voltage | - Between input and system: 500 V AC for 1 minute (Single card: 1500 V AC) - Between input channels: 200 V AC for 1 minute |
Input Resistance | - Power ON: 1 MΩ or larger - Power OFF: 1 MΩ or larger |
Accuracy | - TC: ±40 µV - RTD: ±150 mΩ - POT: ±0.2 %/FS |
Total Resistance of Signal Source + Wiring | - 1000 Ω or less (for mV/TC) - 150 Ω or less (for RTD/POT wiring resistance) |
Reference Junction Compensation Accuracy | ±1 °C |
Data Update Period | 1 second |
Burn-out Detection | All channels can be set together (not available/available setting for each channel) |
Temperature Drift | - TC: ±80 µV/10 °C - RTD: ±0.3 Ω/10 °C - POT: ±0.4 %/10 °C |
Maximum Current Consumption | 350 mA (5 V DC) |
Weight | Approx. 0.30 kg |
External Connection | Dedicated cable (KS1) |
Suffix Codes:
- -S: Standard type
- 5: No explosion protection
- E: With explosion protection
- 0: Basic type
- 3: With ISA Standard G3 option and temperature (-20 to 70°C) option
Applications:
The AAT145 module is ideal for industrial environments that require precise monitoring and control of temperature, resistance, and voltage signals. It can be used in applications such as:
- Process control
- Energy management
- Environmental monitoring
- Manufacturing systems
It ensures high accuracy, fast data updates, and robust signal isolation, making it an excellent choice for critical control systems in industries like oil and gas, chemical processing, and power generation.