IC697CPU771 - 12 MHz Expandable Central Processing Unit

The IC697CPU771 is a single-slot, expandable Central Processing Unit (CPU) designed for use in Series 90-70 PLC systems, offering robust performance and flexibility for industrial automation tasks. Powered by a 12 MHz 80C186 microprocessor, it can handle up to 2,000 digital I/Os and 8K analog I/Os with impressive speed and efficiency. The CPU also supports up to 512 Kbytes of battery-backed CMOS RAM, ensuring reliable data management and expandability for demanding applications.

The IC697CPU771 is a versatile and high-performance CPU module, ideal for industrial automation systems that require extensive I/O control and memory flexibility. With support for up to 2,000 digital I/Os and 8K analog I/Os, this CPU can efficiently manage complex control processes. Whether you're controlling machinery or managing material handling systems, the CPU771 is a reliable choice that offers expandable memory to meet future needs.

Technical Details

    Single-Slot CPU: Occupies one slot in an IC697 rack, making installation straightforward.
    I/O Capacity: Supports 2,000 digital I/Os and up to 8K analog I/Os.
    Processor Speed: Powered by a 12 MHz 80C186 microprocessor, it processes boolean functions at 0.4 microseconds per function.
    Expandable Memory: Supports up to 512 Kbytes of battery-backed CMOS RAM, with memory expansion options of 64 Kbytes, 128 Kbytes, 256 Kbytes, and 512 Kbytes.
    Programming: Programmed via MS-DOS or Windows-based software over Ethernet TCP/IP or through the built-in SNP port.
    Battery-Backed Clock: Maintains accurate system time even during power outages, thanks to its battery-backed calendar clock.
    LED Status Indicators: Three green LEDs on the front panel indicate module status, operational state, and whether outputs are enabled.
    Configuration: Easy to configure via software, without the need for DIP switches or jumpers.
    RS-422 Serial Port: Provides RS-485 compatible serial communication for connecting with programming devices and external systems.

Installation and Use

The IC697CPU771 module is designed for simple installation and reliable operation in demanding industrial environments. Before installing, ensure the rack power is turned off, then connect the battery and install the module in slot 1 of rack 0. Once powered on, the module will perform a diagnostic self-test, and the top LED will remain on if everything is functioning correctly.

To operate the CPU, use the three-position switch on the module or control it remotely via a connected programmer. The LED indicators provide clear information on the module's status, making it easy to monitor and manage.

Final Recommendations

For industrial automation projects that require extensive I/O capacity and flexible memory options, the IC697CPU771 is an excellent choice. Its robust processing capabilities, along with the option for memory expansion, make it suitable for managing complex control tasks. The CPU’s simple setup and configuration, combined with its reliable performance, ensure that it can meet both current and future demands. Whether you're scaling an existing system or planning for future upgrades, the IC697CPU771 provides the flexibility and performance you need.

>> GE Fanuc IC697CPU771 User manual (pdf)

++ Other 90-30 PLC modules

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