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ABB 07ZE61R302 entral processing unit (CPU)

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ABB 07ZE61R302 entral processing unit (CPU)
May 29, 2026

ABB 07ZE61R302 entral processing unit (CPU)

ABB 07ZE61R302 (GJV3074321R302) is a central processing unit (CPU) from the Procontic T200/90 series, serving as the core controller for ABB’s AC31, T200, and 800xA distributed control systems (DCS). It executes control logic, data acquisition, and system management, supporting both standalone and networked automation applications.

Description

Product Introduction

ABB 07ZE61R302 (GJV3074321R302) is a central processing unit (CPU) from the Procontic T200/90 series, serving as the core controller for ABB’s AC31, T200, and 800xA distributed control systems (DCS). It executes control logic, data acquisition, and system management, supporting both standalone and networked automation applications.

Model Explanation

  • 07: Procontic T200/90 series

  • ZE: Central Unit / CPU Module

  • 61: Hardware platform & performance grade

  • R302: Revision 3, variant 02 (hardware/firmware version)

  • Part Number: GJV3074321R302

Technical Parameters

  • Model: 07ZE61R302

  • Part Number: GJV3074321R302

  • Processor: 32-bit RISC CPU

  • Memory:

    • RAM: 64–256 MB

    • Flash: 32–128 MB (program/data storage)

  • Control Capacity: Up to 20,000 I/O points

  • Execution Speed: 1–50 ms (program scan time)

  • Power Supply: 24 V DC (±10%)

  • Power Consumption: ~15–20 W (max)

  • Operating Temperature: 0°C to +55°C

  • Storage Temperature: -40°C to +85°C

  • Humidity: 5%–95% RH, non-condensing

  • Dimensions (D×W×H): 254 × 127 × 152 mm

  • Weight: ~0.8 kg

  • Certifications: CE, RoHS, UL/CSA

Interface & Communication

  • Backplane: Procontic T200/AC31 system bus (hot-swap capable)

  • Serial Ports:

    • RS-232/RS-485 (Modbus RTU, DF1, DH-485 protocols)

    • Baud rate: 1200–115.2 kbps

  • Ethernet: 10/100/1000BASE-T (Modbus TCP, TCP/IP)

  • Fieldbus: PROFIBUS DP (optional), CANopen

  • LED Indicators: Power, Run, Fault, Tx/Rx, Bus Status

  • Isolation: 2.5 kV isolation for serial/Ethernet ports

Core Functions

  • Logic Control: Execute user programs (IEC 61131-3 languages: ladder, ST, FBD)

  • Data Processing: Real-time I/O scanning, PID control, arithmetic/logic operations

  • Communication:

    • Master/slave Modbus RTU/TCP

    • DF1/DH-485 for legacy ABB systems

    • Peer-to-peer networking with other ABB controllers

  • Diagnostics: System fault detection, error logging, remote monitoring

  • Redundancy: Supports dual CPU redundancy (hot standby) for high availability

Application Scenarios

  • Process Industries: Power generation, oil & gas, chemical, water treatment

  • Factory Automation: Automotive, packaging, assembly lines, material handling

  • Building Automation: HVAC, lighting, security systems

  • Retrofits: Upgrade legacy ABB AC31/T200 systems with modern CPU

  • Distributed Control: 800xA DCS integration for plant-wide automation

Maintenance

  • Installation: Insert into T200/AC31 backplane; tighten screws

  • Environment: Keep dry, ventilated; avoid dust/corrosion

  • Inspection: Annually check connections, LEDs, and firmware version

  • Firmware: Update via Ethernet/serial port using ABB programming software

  • Backup: Regularly back up user programs and configuration data


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