ABB ICST08A9 Analog Input Module

Product Type:

• Analog Input Module

• Part of the ABB Procontic CS31 system.

Function:

• It's designed to receive and process analog input signals from sensors and other field devices.

• As a remote I/O unit, it works in a decentralized architecture, meaning it can be physically located closer to the sensors and actuators in a plant, reducing wiring costs and simplifying installation compared to a centralized control system.

• Each remote unit (like the ICST08A9) contains a microprocessor dedicated to I/O management and diagnostics. This allows for local pre-processing of data (e.g., PID looping, filtering) and provides rapid response.

Key Features (General to CS31 system, applicable to ICST08A9):

• Decentralized Architecture: Connects to a central unit (e.g., 07 KR 91, 07 KR 31 CPU) via a simple twisted pair wire arrangement (RS 485).

• Modular System: The Procontic CS31 system is highly modular, allowing for flexible expansion with various I/O units.

• Intelligent I/O Units: Each remote unit has its own microprocessor for dedicated I/O management and diagnostic functions.

• Diagnostics: Provides diagnostic information for short-circuits, open circuits, overloads, disconnected units, and transmission failures. This data is often displayed on LEDs on the front panel.

• Easy Replacement: Designed for simplified repairs, allowing remote units to be replaced without discontinuing the application, thanks to plug-in wiring bases that eliminate re-wiring.

• Configurable: The system can handle configurable I/O channels.

Typical Specifications (based on common listings and CS31 system info):

• Manufacturer: ABB

• Range/Series: Procontic CS31

• Type: Analog Input Remote Unit

• Power Supply: Often listed as 24 VDC (some variants might support 230 VAC for the overall system or specific modules, but the ICST08A9 specifically processes an input, so its internal power will be rectified). Some listings mention 200mA current draw.

• Input Type: Analog current input, often 2.5mA DC (specific to certain variants or applications).

• Dimensions (Approximate): 25.00 x 12.00 x 10.00 cm (or similar, around 9.8 x 4.7 x 3.9 inches)

• Weight (Approximate): 0.50 kg (around 1.1 lbs)

• Condition: Primarily available as used or refurbished due to its obsolete status.

• Mounting: Can be screw or DIN rail mounted (typically on a plug-in base like ECZ).

Important Notes:

• As an obsolete product, obtaining official datasheets directly from ABB can be challenging. Information is often compiled from distributors, resellers, and system manuals.

• When purchasing or working with an ICST08A9, it's crucial to verify the exact specifications from the seller or a reliable technical document for that specific part number, especially regarding input ranges and power requirements.

• The "A9" in ICST08A9 likely signifies a specific variant within the ICST08 series, potentially indicating a different input type, number of channels, or other characteristics. Some sources indicate it as an "8xPT100, 300°C" type, suggesting it's designed for PT100 temperature sensor inputs.

In summary, the ABB ICST08A9 is a legacy but robust analog input module for industrial automation, primarily used with the ABB Procontic CS31 PLC system to extend I/O capabilities in a distributed control environment.

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