GE IC698CPE040 IC698CPE010 PAC Systems Central Processing Unit

The central processing unit (CPU module) in GE IC698CPE010 belongs to the PACSystems RX7i controller series. This module is the brain of the entire PACS system control architecture and is the core component used to execute control logic, data processing, and communication with the field system. In the field of industrial automation, the CPU module determines the computing power, communication performance, scalability, and engineering integration capabilities of the system. IC698CPE010 is positioned as a mid-to-high-end real-time control CPU in the PACSystems RX7i architecture and is suitable for complex control strategies and scenarios requiring multiple protocol communications.

The IC698CPE010 is equipped with an Intel Celeron 300 MHz microprocessor. This indicates that it possesses the instruction processing capability of a desktop computer, rather than the simple logical operation chip of a traditional PLC. This deployment enables this CPU to efficiently handle real-time control tasks such as complex calculations, floating-point operations, and multi-task scheduling.
The key features of the CPU's internal design include:
Memory system: 10 MB battery-backed RAM + 10 MB non-volatile Flash
The battery-backed RAM is used for user programs and data, ensuring the state is preserved even in the event of power loss.
The Flash storage is used for firmware and important parameter configurations. Backplane communication: Adheres to the VME64 bus standard (open VITA 1 architecture), supporting high-speed I/O and connection with expansion modules.

The communication design of IC698CPE010 is superior to that of most traditional PLC CPUs. It includes:
1. Serial port design
The module is equipped with three isolated serial ports (RS-232, RS-485). These ports support: Modbus RTU Sla.ve
SNP / Serial I/O
Therefore, it can communicate with on-site equipment, old-fashioned serial devices, or lower-level control units.
2. Ethernet Network Support
The IC698CPE010 is equipped with two 10/100 Mbps Ethernet ports (Auto-sensing RJ45), supporting:
Automatic negotiation of speed and full/half duplex mode
Built-in switch architecture, a single IP can support a continuous domain
Multi-protocol support: Ethernet Global Data (EGD)
SRTP (a proprietary real-time protocol of GE) Modbus TCP Client / Server
TCP/IP standard communication and FTP/WebServer
Ethernet Global Data is a high-performance real-time data exchange mechanism of GE PACSystems, which enables fast data broadcasting and subscription between the CPU and other nodes or HMI systems.

The IC698CPE010 is installed in the CPU slot (Slot 1) of PACSystems RX7i. It performs high-speed data transmission with the I/O module via the VME64 backplane bus.

Hardware wiring and installation requirements:
Ensure that the power supply of the main unit and expansion racks meets the 5 V DC 3.2 A power supply specifications.
The slot where the CPU is located must be inserted in the correct position on the backplane to ensure the integrity of backplane communication. The Ethernet port can be directly connected to the control network to enable remote access.

The CPU usually has a front panel Run/Stop switch, and the runtime can be switched in the local mode. During the development stage, it can be done through:
Serial port
Ethernet port Proficy Machine Edition

The PACSystems RX7i is compatible with platforms such as GE 90-70 and RX3i. This makes the IC698CPE010 often used for upgrading old control systems, while retaining the existing I/O and field devices. It combines Ethernet and Modbus protocol to bridge different systems.

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