Emerson OVATION 1C31203G01 REMOTE NODE CONTROLLER

1C31203G01 REMOTE NODE CONTROLLER Overview

The 1C31203G01 Remote Node Controller, designed by Emerson specifically for its Ovation Distributed Control System (DCS), serves critical communication and control functions in industrial automation systems.

Performance Specifications

Processor & Memory

32-bit ARM Cortex-A9 processor with up to 1GB DDR3 RAM and 16GB NAND Flash storage.

Communication Capabilities

Supports Ethernet, Modbus, and DeviceNet protocols, enabling message preparation and response transmission via fiber-optic media.

Power & Environmental Adaptability

Powered by +5V DC supply.

Operating temperature: -40°C to +85°C; humidity: 5%–95% RH (non-condensing); protection rating: IP20.

I/O & System Capacity

Remote Node Management: Up to 8 remote nodes, each supporting 64 I/O modules (8 branches × 8 modules per branch), totaling 512 I/O modules per controller.

Bus Configuration: Remote I/O bus with 10Base-FL Ethernet physical layer and proprietary protocol, cycle time <100 microseconds (without repeaters).

Physical Dimensions

Size: 120mm × 100mm × 60mm (approx. 8×6×5 cm); weight: 0.8 kg.

Remote Node Electronics Module (1C31203G01) - Houses the Remote Node

Logic Board (LND) and the Remote Node Field Board (FND). The electronics

module prepares messages received from the remote I/O Controller for the local

I/O modules at the remote node. When an I/O module responds to the message,

the module prepares the response to be sent back to the Controller over the fiberoptic media. The LND provides +5V power for the module

I. High Reliability and Stability

• Redundant Communication: Fiber optic transmission + 10Base-FL protocol, remote I/O bus cycle time < 100μs, supports hot-standby redundant switching, suitable for continuous production scenarios like power and chemical industries.
• Environmental Adaptability: Wide temperature range of -40°C to +85°C, humidity 5%–95% (non-condensing), IP20 protection, reducing deployment costs.

II. Strong I/O Expansion and Integration Capability

• Scale Expansion: 8 remote nodes × 64 modules/node, total 512 modules, supports mixed configuration of discrete/analog/special I/O, suitable for large systems like power plants.
• Protocol Compatibility: Built-in Ethernet, Modbus, DeviceNet, seamlessly connects cross-vendor devices.

III. High-performance Real-time Control

• Hardware Configuration: 32-bit ARM Cortex-A9 processor, 1GB DDR3 + 16GB Flash, supports complex algorithms like PID.
• System Optimization: RTOS design with low task scheduling latency, compliant with industrial safety standards.

IV. Convenient Maintenance and Management

• Hot-swappable Maintenance: I/O modules support online replacement, reducing downtime losses in scenarios like steel smelting.
• Status Diagnosis: LED indicators + Ovation diagnostic software for quick fault location.

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