GE Fanuc IC698CRE030-EE is a redundant central processing unit (CPU) belonging to the PACSystems RX7i series. Designed specifically for high-reliability industrial control scenarios, it adopts a 600MHz Pentium-M microprocessor, is equipped with 64MB of user memory, and supports Hot Standby (HSB) redundancy functionality, enabling uninterrupted control in critical industrial processes. It is widely used in fields with extremely high requirements for system stability, such as manufacturing automation and energy management. Integrating an advanced hardware architecture and rich communication protocols, this product is compatible with multiple programming methods and features robust fault tolerance and data protection capabilities, serving as a core component for redundant backup implementation in RX7i control systems.

related documents

IC698CRE030.pdf

IC698CPE030-JP.pdf

Hardware Specifications

1. Processor and MemoryMicroprocessor: 600MHz Intel Pentium-M, featuring robust computing performance for efficient processing of complex control logic and high-volume I/O data interaction.
   User Memory: 64MB battery-backed RAM, along with 64MB non-volatile flash memory. It is used for storing programs, configuration data and symbolic variables, supporting long-term data retention after power failure.
   Memory Backup: RAM data backup is implemented via a dedicated battery (refer to GFK-2741 Manual). The real-time clock (RTC) is also equipped with battery backup, with a battery service life of approximately 5 years, ensuring continuity of time data.
2. Physical and Environmental CharacteristicsSlot Occupancy: 1 RX7i slot, compatible with VME64 standard backplane (ANSI/VITA 1 specification).
   Operating Temperature: 0°C to 60°C with fan tray; 0°C to 50°C without fan tray, suitable for harsh temperature environments in industrial sites.
   Power Requirements: Powered by the RX7i system with nominal values of +5Vdc (3.2A), +12Vdc (0.003A) and -12Vdc (0.003A), ensuring high power supply stability.
3. Redundancy Function ConfigurationRedundancy Type: Hot Standby (HSB) redundancy. A redundant system shall be configured with another CPU of the same model IC698CRE030, consisting of one active control unit and one synchronous backup unit.
   Switchover Performance: Maximum switchover time is 1 logic scan cycle, with a minimum switchover time of 3.133ms, ensuring fast and seamless takeover of control processes in the event of a fault.
   Synchronization Mechanism: A redundant communication link is established via the IC698RMX016 Redundant Memory Exchange (RMX) module, supporting up to 2 synchronous links with a maximum redundant data transmission capacity of 2MB.
   Error Checking: Equipped with memory Error Checking and Correction (ECC) function, which can correct single-bit errors and detect multi-bit errors, improving the reliability of data transmission.
   
   

   

Functions and Features

1. Programming and Logic ProcessingProgramming Support: Compatible with Ladder Diagram (LD), Function Block Diagram (FBD), Structured Text (ST) and C language external blocks, meeting programming requirements in different scenarios.
   Program Structure: Supports up to 512 program blocks with a maximum size of 128KB per block. It allows automatic addressing of symbolic variables without the need for manual assignment of reference addresses.
   Data Processing: Supports floating-point data operations. The discrete reference memory (%I, %Q) reaches 32Kbits and the analog reference memory (%AI, %AQ) reaches 32K words, satisfying large-scale data processing requirements.
   Online Editing: Supports online program modification and testing without stopping system operation, improving debugging efficiency.
2. Communication CapabilitiesEmbedded Ethernet Interface: Equipped with 2 10BaseT/100BaseT RJ45 ports, supporting auto-negotiation of data rate (10/100 Mbps) and communication mode (half-duplex/full-duplex). It comes with a built-in auto-sensing switch, eliminating the need for additional inter-chassis switches or hubs.
   Serial Communication: 3 independent serial ports, including 1 RS-232 port, 1 RS-485 port and 1 dedicated RS-232 Ethernet Station Manager port, supporting protocols such as Modbus RTU Slave, SNP Slave and Serial I/O.
   Protocol Support: Compatible with Ethernet Global Data (EGD), SRTP, Web Server, FTP, etc. It supports up to 16 concurrent Web Server and FTP connections, 255 simultaneous EGD exchanges, and selective consumption of EGD pages.
3. Reliability and Protection FunctionsFault Tolerance: Supports fan kit fault detection, CPU overheat detection, memory error detection, etc. The fault response mode (diagnostic/fatal) is configurable, and the system automatically switches to the standby unit in case of fatal faults.
   Watchdog Timer: The software watchdog timer has a configurable range of 10ms–2550ms with a default value of 200ms, which is used to detect program scan timeout. The hardware watchdog provides additional protection and automatically resets the CPU in case of faults.
   Data Security: Supports password and hierarchical permission protection (4 permission levels in Legacy mode) and OEM protection function. In Enhanced Security mode, it supports passwords up to 31 characters in length, enhancing the system’s tamper resistance.

System Integration and Configuration

1. Hardware Compatibility and ExpansionBackplane and Chassis: Compatible with the RX7i main chassis and up to 7 Series 90-70 expansion chassis, supporting Series 90-70 discrete/analog I/O, Genius bus controllers, high-speed counters and other modules.
   Redundancy Configuration: Must be used in conjunction with another IC698CRE030 unit. A redundant link is established via the RMX module, supporting long-term operation of CPUs of the same model. CPUs of different models are only allowed for short-term upgrade transition.
2. Software ConfigurationConfiguration Tool: Programming and configuration are performed via Proficy Machine Edition (PME) software, which supports hardware configuration download, firmware upgrade, fault diagnosis and other functions.
   Firmware Upgrade: Firmware update is implemented via the WinLoader tool and serial port, eliminating the need for module disassembly or EPROM replacement during the upgrade process.
   Startup Configuration: Supports loading logic/configuration data from RAM or flash memory. The power-on mode (Last/Stop/Run) is configurable, with conditional data recovery from flash memory (in case of memory corruption or data loss).

Application Scenarios and Advantages

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