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Schneider Electric Modicon 984 SA-A984-131

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SA-A984-131

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The SA-A984-131 is a CPU module from Schneider Electric's Modicon 984 series equipped with essential features for controlling operations in automation systems. It supports a program memory of 4K words and offers battery-backed data RAM of 2K words, making it suited for applications requiring reliable memory retention.

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Technical specifications for SA-A984-131

ManufacturerSchneider Electric
Product TypeCPU module
Product LineModicon 984
Part NumberSA-A984-131
Program Memory4K words
Data RAM2K words (battery-backed)
I/O CapacityApproximately 800 points
Local I/O24 V DC modules
CommunicationsSerial + Modbus/RIO
Scan Speed0.5 ms / 1K instructions
MountingSlot/base mount
Power24 V DC backplane
DiagnosticsLEDs + fault flags
Operating Range0–60 °C, 0–95% RH
ProgrammingLadder via Modsoft
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Schneider Electric's Modicon 984 series presents the SA-A984-131 CPU module, designed to meet the requirements of industrial control solutions. It features a program memory capacity of 4K words, sufficient for handling various programming tasks. Accompanying this is the 2K words of data RAM, which is backed by a battery to ensure data integrity during power interruptions.

Ideal for processing considerable input and output data, the module supports around 800 points of I/O capacity, making it highly functional in sophisticated automation setups that require local I/O using 24 V DC modules. Communication capabilities include serial connections alongside Modbus/RIO protocols, allowing seamless integration into existing networks.

Scan speed is another notable aspect, with the SA-A984-131 achieving a rapid 0.5 milliseconds per 1K instructions, which is essential for maintaining effective control in dynamic environments. The mounting configuration is designed for slot or base mounting, permitting straightforward installation within control systems. This module is powered via a 24 V DC backplane, ensuring stable operation across conditions.

Diagnostic features include LED indicators and fault flags, providing real-time monitoring of module status and performance. It operates in a temperature range extending from 0 to 60 °C and can withstand relative humidity levels up to 95%. Weighing in at 0.54 kg, the SA-A984-131 is easily manageable for installation and maintenance tasks.

Finally, programming is conducted through Ladder logic using certain software, enabling users to create and modify control sequences effectively. This module is essential for automating a broad spectrum of industrial applications.