DS3820ATAD - Analog Input Termination Module

SPECIFICATIONS:

Part Number: DS3820ATAD
Manufacturer: General Electric
Series: Mark IV
Product Type: Analog Input Termination Module
Number of Inputs: 16
Dimensions: 3.6 × 2.45 × 1.1 in
Operating Voltage: 15 to 32 VDC
Repair: 3-7 Days
Weight: 2 lbs
Country of Origin: USA
Availability: In Stock

FUNCTIONAL DESCRIPTION:

DS3820ATAD is an Analog Input Termination Module manufactured and designed by General Electric as part of the Mark IV Series used in GE Speedtronic turbine control systems. An Analog Input Termination Module (AITM) is a crucial component used in industrial and electronic applications to interface with various types of analog signals. These modules play a pivotal role in ensuring accurate signal processing, minimizing noise, and protecting the equipment from potential damage due to signal interference or overvoltage. Here’s an overview of what an AITM typically involves and its functions:

KEY FUNCTIONS AND FEATURES:

Signal Conditioning:

• Filtering: Removes unwanted noise and interference from the analog signals, ensuring that the input to the processing unit is clean.
• Amplification: Boosts weak signals to a level suitable for further processing.
• Isolation: Electrically isolates the input signal from the processing electronics to prevent ground loops and protect against high voltage transients.

Termination:

• Resistors: Often included to match the impedance of the incoming analog signal, which helps in minimizing signal reflection and loss.
• Capacitors: Used for filtering high-frequency noise.

Protection:

• Overvoltage Protection: Protects the input circuitry from voltage spikes that could potentially damage the equipment.
• Surge Protection: Shields the system from high-energy transients, such as those caused by lightning or switching operations.

Interfacing:

• Connectivity: Provides terminals or connectors for easy and secure attachment of analog input wires.
• Compatibility: Designed to be compatible with various types of sensors and transducers, including thermocouples, RTDs, and strain gauges.

APPLICATIONS:

• Industrial Automation: In factories and production lines, AITMs are used to connect sensors and transducers to control systems and PLCs (Programmable Logic Controllers).
• Process Control: In chemical and manufacturing plants, they help in monitoring and controlling processes by accurately transmitting sensor data.
• Instrumentation: Used in laboratories and research facilities for precise data acquisition from experimental setups.
• Building Automation: Utilized in HVAC systems for monitoring and controlling temperature, humidity, and other environmental parameters.

CONSIDERATIONS FOR SELECTION:

• Signal Type and Range: Ensure compatibility with the type and range of analog signals you are dealing with.
• Environment: Select modules that can withstand the environmental conditions they will be exposed to, such as temperature, humidity, and electrical noise.
• Channel Density: Depending on the number of analog inputs you need to handle, choose a module with the appropriate number of channels.
• Integration: Consider how easily the module can be integrated into your existing system, including the physical form factor and the type of connectors.

WOC has the largest stock of GE Speedtronic Control System Replacement Parts. We can also supply unused and rebuilt backed-up with a warranty. Our team of experts is available round the clock to support your OEM needs. Our team of experts at WOC is happy to assist you with any of your automation requirements. For pricing and availability on parts and repairs, kindly contact our team by phone or email.

FREQUENTLY ASKED QUESTIONS:

What is an Analog Input Termination Module (AITM)?

An Analog Input Termination Module is a device used to interface analog signals from sensors and transducers with processing equipment, such as PLCs and data acquisition systems. It conditions, protects, and terminates these signals to ensure accurate and reliable data transmission.

Why is signal conditioning important in an AITM?

Signal conditioning is essential because it improves the quality of the analog signal by filtering out noise, amplifying weak signals, and isolating different parts of the system. This ensures that the data received by the processing equipment is accurate and reliable.

How does an AITM protect against overvoltage and surges?

An AITM includes overvoltage protection circuits and surge protectors that shield the input circuitry from voltage spikes and high-energy transients. This protection prevents damage to the equipment and ensures continuous operation.