Yokogawa AAI835 Analog I/O Module

The Yokogawa AAI835 is a versatile analog input/output module designed for industrial automation systems. It offers reliable and precise measurement and control of analog signals, making it suitable for various applications in process control and data acquisition.

Technical Specifications

Applications

The Yokogawa AAI835 analog I/O module is utilized in various industrial automation scenarios, including:

• Process Control Systems: Monitoring and controlling analog signals from sensors and actuators in industries such as oil and gas, chemical, and pharmaceuticals.

• Data Acquisition Systems: Collecting analog data for analysis and monitoring purposes in manufacturing and research facilities.

• Industrial Automation: Integrating with PLCs and DCS systems to automate processes and improve operational efficiency.

• Energy Management: Supervising power distribution and consumption metrics in utilities and renewable energy plants.

• Water Treatment Facilities: Overseeing pump and valve statuses, ensuring optimal operation of water treatment processes.

Advantages

• High Reliability: Ensures consistent performance in industrial environments.

• Isolated Channels: Provides electrical isolation between channels, enhancing system safety and signal integrity.

• Fast Response Time: With a data update period of 10 ms, it ensures timely processing of analog signals.

• Compact Design: Space-efficient, suitable for various installation setups.

• Flexible Connectivity: Supports multiple connection types, including pressure clamp terminals and MIL connector cables.

FAQs

1. What is the primary function of the AAI835 module?

The AAI835 serves as an analog input/output module, allowing industrial automation systems to receive and transmit analog signals for monitoring and control purposes.

2. How many input and output channels does this module support?

It supports 4 isolated analog input channels and 4 isolated analog output channels, facilitating the connection of multiple devices.

3. What types of input and output signals are compatible?

The module accommodates 4 to 20 mA analog signals for both inputs and outputs, offering flexibility in system design.

4. Can the module handle higher input currents?

Yes, the module can handle input currents up to 25 mA, ensuring compatibility with various industrial sensors.

5. What is the data update period of the AAI835?

The module has a data update period of 10 ms, allowing for timely processing of analog signals.

6. How does the module ensure signal integrity?

The AAI835 utilizes isolated channels for both inputs and outputs, ensuring protection against electrical noise and interference.

7. Is the module compatible with other PLC systems?

The AAI835 is specifically designed for use with Yokogawa’s CENTUM VP and CENTUM CS distributed control systems and may not be compatible with other PLC systems.

8. What are the operating temperature parameters?

The module operates effectively within a temperature range of -20°C to 70°C, suitable for various industrial environments.

9. How is the module mounted within the system?

It is designed for easy installation within Yokogawa’s control system racks, ensuring seamless integration.

10. What is the typical power consumption of the AAI835 module?

The AAI835 consumes approximately 360 mA at 5V DC and 450 mA at 24V DC, making it an energy-efficient option for industrial applications.