Yokogawa AAR145-S00 RTD/POT Input Module

Model & Suffix Definition

• AAR145: RTD/POT Input Module, 16‑channel, isolated
• S: Standard type
• 0: No explosion protection
• 0: Basic type

Core Specifications

• Input Channels: 16, isolated
• Input Types:
  • RTD: JIS C1604:1997, IEC751:1995 Pt100 (3‑wire)
  • POT: 100 Ω to 10 kΩ total resistance, span ≥50% of total
• Signal Selection: RTD/POT selectable per channel (CH1–CH16)
• Allowable Input Voltage: ±5 V
• Withstanding Voltage:
  • Input to system: 500 V AC (1500 V AC for single card), 1 min
  • Between channels: 200 V AC, 1 min
• Input Resistance: ≥1 MΩ (power ON/OFF)
• Accuracy:
  • RTD: ±150 mΩ
  • POT: ±0.2% FS
• Max Total Source + Wiring Resistance: ≤150 Ω per wire
• Measurement Current (RTD): 1 mA
• Data Update Period: 1 s
• Burn‑out Detection: Configurable for all channels (UP/DOWN), detection time 60 s
• Temperature Drift:
  • RTD: ±0.3 Ω/10 °C
  • POT: ±0.4%/10 °C
• Maximum Current Consumption: 350 mA (5 V DC)
• External Connection: Dedicated cables KS8, AKB335
• Compatible Terminal Boards: MRT, TERT, AER4D
• Weight: 0.3 kg

Key Features

• 16 galvanically isolated input channels
• Supports both RTD (Pt100) and potentiometer inputs
• Per‑channel signal type selection
• Built‑in burn‑out detection function
• Stable measurement with low temperature drift
• Standard industrial basic module design
• Compatible with multiple terminal block types

Typical Applications

• Yokogawa CENTUM CS 3000 / VP DCS systems
• Temperature measurement using Pt100 RTD sensors
• Position and angle monitoring with potentiometers
• Industrial process temperature acquisition
• Factory automation and machine condition monitoring
• Oil, gas, power and chemical plant instrumentation

Packaging List

• 1 × Yokogawa AAR145-S00 RTD/POT input module
• Installation and user manual

FAQ

1. What type of module is AAR145-S00?

   It is a 16‑channel isolated input module for RTD and potentiometer signals.

2. What RTD type does it support?

   It supports 3‑wire Pt100 per JIS and IEC standards.

3. Can I mix RTD and POT on the same module?

   Yes, each channel can be set independently to RTD or POT.

4. Does it support burn‑out detection?

   Yes, burn‑out detection can be enabled for all channels.

5. What is the weight?

   Approximately 0.3 kg.