Yokogawa AAB841-S00 Analog I/O Module

Model & Suffix Explanation

• AAB841: Analog I/O Module, 8-channel input / 8-channel output, non-isolated differential input
• S: Standard type
• 0: No explosion protection
• 0: Basic type

Core Electrical Specifications

• I/O Channels: 8 input channels + 8 output channels, non-isolated differential input
• I/O Signal Specifications:
  • Input: 1 to 5 V DC, allowable common mode voltage ≤ ±1 V
  • Output: 4 to 20 mA DC
• Maximum Allowable Input Voltage: ±7.5 V
• Input Resistance:
  • Power ON: ≥1 MΩ
  • Power OFF: ≥340 kΩ
• Allowable Load Resistance: 0 to 750 Ω
• Circuit-open Detection: Less than 0.65 mA
• Accuracy:
  • Input: ±16 µA
  • Output: ±48 µA
• Data Update Period: 10 ms
• Step Response Time:
  • Input: 100 ms
  • Output: 40 ms
• Transmitter Power Supply: 14.8 V minimum at 20 mA, 26.4 V maximum at 0 mA
• 2-wire / 4-wire Transmitter Selection: Configurable per channel via setting pin
• Temperature Drift: ±0.1 % / 10 °C
• Maximum Current Consumption: 310 mA (5 V DC), 250 mA (24 V DC)
• External Connection: Pressure clamp terminal, KS series cable, MIL connector cable
• Compatible Accessories:
  • Single terminal board: ATA4S
  • Dual redundant terminal board: ATA4D
  • Adapters: ATK4A, ATM4A, ATV4A
  • Cables: KS1, KS2
  • Terminal boards: AEA4D, MCM, MHM, MUB, TE16, MHC

Key Features

• 8-in & 8-out high-density analog I/O combined module
• Differential non-isolated input structure
• Standard 1–5 V input and 4–20 mA output signal matching
• Fast step response and rapid data updating
• Per-channel transmitter type configuration
• Stable low temperature drift performance
• Wide compatibility with Yokogawa terminal boards and adapters

Typical Applications

• Yokogawa CENTUM CS 3000 / VP distributed control systems
• Industrial analog signal conversion and loop control
• Process signal monitoring and actuator control
• Factory automation and continuous production control
• Power, chemical and general process industrial systems

Packaging List

• 1 × Yokogawa AAB841-S00 Analog I/O Module
• Product installation and wiring manual

FAQ

1. What is the channel configuration of AAB841-S00?

   It features 8 non-isolated differential input channels and 8 output channels.

2. What input and output signals does it support?

   1 to 5 V DC input and 4 to 20 mA DC output.

3. Is the module isolated?

   No, it is non-isolated with differential input design.

4. What is the output load resistance range?

   0 to 750 Ω.

5. Does it support per-channel transmitter setting?

   Yes, 2-wire and 4-wire transmitters can be selected individually per channel.