Schneider PC-E984-275 CPU Module for Modicon Systems

PC-E984-275 Modicon CPU Module

Product Introduction

The Schneider Electric PC-E984-275 serves as the central processing unit for demanding Modicon automation architectures. This module operates on a standard 24V DC supply and handles a continuous current of 1 Amp. With a robust memory capacity of 512 KB, it manages complex logic and data storage efficiently. Its scan time of 2.5 milliseconds per k ensures fast and reliable signal processing for critical industrial tasks. Additionally, this controller supports up to 256 local I/O connections and a total addressing capacity of 512 inputs and 512 outputs. It remains a versatile and scalable solution for modern manufacturing environments.

Key Technical Specifications

This processor delivers substantial computing power for mid-to-large scale control systems. The PC-E984-275 integrates 1920 internal registers, enabling extensive data handling for sophisticated automation sequences. Its communication capabilities include two standard Modbus ports and one dedicated Modbus+ port. Consequently, this unit connects seamlessly with a wide range of field devices, drives, and supervisory systems.

• Processor Memory: 512 KB (Significant for multitasking operations)

• Scan Time: 2.5 ms/k (Ensures rapid input/output response)

• Communication Ports: 2x Modbus, 1x Modbus+ (Enhanced network flexibility)

• Register Capacity: 1920 (Extensive data management)

• Local I/O Support: 256 points

• Total I/O Capacity: 512 inputs / 512 outputs

• I/O Drops: 1 drop supported

• Maximum Racks: Up to 4 racks for scalable expansion

Mechanical and Environmental Parameters

The PC-E984-275 is engineered for durability in industrial control cabinets. Its compact form factor allows straightforward installation into standard Modicon rack systems. Furthermore, it maintains reliable operation within a controlled temperature and humidity environment. The unit weighs approximately 3.00 lbs (1.36 kg), contributing to its robust physical construction.

• Operating Voltage: 24V DC (Nominal)

• Current Draw: 1 Amp (Maximum)

• Weight: 1.36 kg (3.00 lbs)

• Mounting: Direct rack integration

Communication and Connectivity

Modern automation requires seamless data exchange, and this module excels in that area. Specifically, the two Modbus ports facilitate communication with legacy and new equipment using serial protocols. Meanwhile, the additional Modbus+ port supports high-speed peer-to-peer networking between multiple controllers. Consequently, system architects can design distributed control architectures without sacrificing performance. The PC-E984-275 also handles up to 4 racks and one I/O drop, providing physical scalability for growing system demands.

Installation and Setup Guide

Proper installation ensures the PC-E984-275 delivers its specified performance metrics. First, insert the module into the designated CPU slot of the Modicon rack chassis. Next, connect the 24V DC power supply to the dedicated terminals, observing correct polarity. For network integration, link your devices to the Modbus and Modbus+ ports using appropriate shielded cables. After installation, power on the system and verify the scan time and register status via the programming software. Finally, configure the I/O mapping to match your field devices. This straightforward procedure minimizes downtime during system upgrades.

Logistics and Shipping

We understand the urgency of industrial maintenance and project deadlines. Therefore, all orders for the Schneider PC-E984-275 are dispatched using premium express carriers. Shipments are processed through FedEx, UPS, or DHL to ensure global tracking and timely delivery. Our team prioritizes careful packaging to protect the unit during transit.

Packaging List

• Schneider Electric PC-E984-275 CPU Module (1 unit)

• Standard mounting hardware (Rack clips/screws)

• Protective anti-static packaging

• Quick reference guide (Printed)

Frequently Asked Questions (FAQ)

1. What is the scan time of the PC-E984-275 module?
This processor features a fast scan time of 2.5 milliseconds per k, making it suitable for real-time control applications requiring quick logic execution.

2. Does the PC-E984-275 support connection to older Modbus devices?
Yes, absolutely. It includes two dedicated Modbus communication ports, ensuring direct compatibility with legacy field instruments and older PLC systems.

3. What is the maximum number of racks supported by this CPU?
The Schneider PC-E984-275 supports a system expansion of up to 4 racks, providing flexible scalability for growing automation lines.

4. What is the power requirement for this CPU module?
It requires a 24V DC power source and draws a maximum current of 1 Amp to operate the processor and its internal electronics.

5. Can this module handle distributed I/O across multiple locations?
Yes, it supports 1 I/O drop and a total of 512 inputs and 512 outputs, allowing for centralized control over decentralized field devices.