YOKOGAWA ANALOG INPUT OUTPUT MODULE AAB841 AAB841-S00 S2 ATM4A-00 S1

Description:

The Yokogawa AAB841 Analog Input/Output Module is used in distributed control systems for acquiring analog input signals and transmitting analog outputs to field devices. Commonly installed in Yokogawa CENTUM and industrial DCS control cabinets for process automation and monitoring. Maintenance teams and system integrators use this part for expanding I/O capacity, replacing failed modules, or maintaining reliable signal communication between field instruments and control systems.

Applications:

The Yokogawa AAB841 module is commonly used in industrial process control environments where both input and output analog signals must be handled within a single module. It is frequently applied in oil & gas, chemical processing, power generation, and manufacturing systems to interface with transmitters, sensors, and actuators. The module supports voltage input and current output signals, enabling real-time data acquisition and control loop execution within Yokogawa DCS platforms.

Technical Specifications:

• Manufacturer: Yokogawa
• Model / Part Number: AAB841 / AAB841-S00 S2 ATM4A-00 S1
• Product Type: Analog Input/Output Module
• Input Channels: 8 channels (1–5 V input)
• Output Channels: 8 channels (4–20 mA output)
• Signal Type: Voltage input / current output
• Isolation: Non-isolated channels
• Communication: Supports integration with Yokogawa DCS (CENTUM systems)
• Accuracy: Approx. ±0.1% full scale
• Resolution: 12-bit
• Sampling Rate: Approx. 100 Hz
• Operating Temperature: 0 to 55°C
• Mounting Type: Rack-mounted I/O module
• Interface Options: Terminal blocks, KS cable, or MIL connector
• Function: Signal acquisition and analog output control
• Status: Legacy / widely used industrial control module

Common Replacements:

• Yokogawa AAB842 Analog I/O Module
• Yokogawa AAI841 Analog I/O Module
• Yokogawa AAB141 Analog Input Module