• Schneider PC 0984
  • Schneider PC 0984
  • Schneider PC 0984
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Schneider Electric PC 0984 Modicon Programmable Controller

Schneider Electric PC 0984 Modicon Programmable Controller

Description

The Schneider Electric PC 0984 is a high-performance central processing unit belonging to the established Modicon 984 programmable controller family. Designed for industrial environments requiring deterministic control, this processor is...

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SKU: PC 0984
Vendor: Schneider
Category: Programmable Logic Controller
Related Series:

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Description

The Schneider Electric PC 0984 is a high-performance central processing unit belonging to the established Modicon 984 programmable controller family. Designed for industrial environments requiring deterministic control, this processor is widely utilized in sectors such as power generation, petrochemical processing, and large-scale manufacturing. It is engineered to maintain high-speed scan cycles and reliable I/O management, providing a stable foundation for legacy automation systems that demand high availability and long-term operational consistency.

Features

  • High-speed RISC-based processing core for efficient execution of complex relay ladder logic.
  • Supports deterministic scan times of 0.75 ms per 1 K words.
  • Configurable memory capacity ranging from 8 K to 64 K words to suit specific application requirements.
  • Integrated support for Modbus protocol via RS-232/RS-485 interfaces for robust serial communication.
  • Designed for high-availability configurations, supporting bumpless transfer in hot-standby architectures.

Applications

The PC 0984 is suited for mission-critical automation tasks where system downtime must be minimized. It is commonly deployed in continuous process control, distributed I/O management, and complex relay logic replacement within existing Modicon 984 infrastructure.

Technical Specifications

Model PC 0984
Brand Schneider Electric / Modicon
Processor Type Proprietary High-Speed RISC
Memory Capacity 8 K to 64 K words (configurable)
Scan Time 0.75 ms per 1 K words
Power Consumption 45 W
Operating Temperature 0 to 60 degC

Installation Guidelines

  • Ensure the controller is installed in a clean, dry, and vibration-free environment to maintain hardware integrity.
  • Verify that the backplane is securely mounted and that the module is properly seated before applying power.
  • Use shielded cables for all serial communication (RS-232/RS-485) to minimize EMI interference.
  • Maintain adequate clearance around the module to facilitate proper airflow and cooling, as the unit consumes 45 W during operation.
  • Always disconnect power before inserting or removing the module from the rack to prevent electrical damage.

FAQ

Is the PC 0984 compatible with hot-standby systems?

Yes, the PC 0984 supports hardware redundancy and is designed to facilitate bumpless transfer in hot-standby configurations, ensuring continuous operation for critical processes.

What communication protocols does this processor support?

The controller natively supports the industry-standard Modbus protocol, utilizing serial RS-232 or RS-485 interfaces for data exchange.