Module CPU General Electric IC697CPX928

Description

The IC697CPX928 is a single-slot programmable logic controller (PLC) central processing unit (CPU) designed for real-time control of machines, processes, and material handling systems. It operates at 96 MHz with a 32-bit floating-point architecture based on an 80486DX4 microprocessor. The module provides 6 Mbytes of battery-backed CMOS RAM user data storage and 256K of non-volatile user flash memory directly in the same slot. It communicates with I/O and smart option modules over a rack-mounted backplane using the VME C.1 Standard format. The CPU manages complex system configurations, supporting up to 12K inputs and outputs (any mix) along with up to 8K analog I/O, making it suitable for large-scale industrial manufacturing, power generation, and chemical process control environments.

Features

• Single-slot central processing unit with an integrated 96 MHz 80486DX4 microprocessor.
• 6 Mbytes of battery-backed CMOS RAM for program, configuration, and register data storage.
• 256K of non-volatile user flash memory for optional data storage.
• Operating system firmware stored in flash memory to support in-system updates via the serial port.
• High-speed processing performance executing at 0.4 microseconds per boolean function.
• Support for Bulk Memory Area (BMA) in programming software release 7.92 and later.
• Three built-in, independent serial ports supporting the SNP Slave and Break-Free SNP protocols.
• Three-position operation mode toggle switch on the front panel (RUN with outputs enabled, RUN with outputs disabled, STOP).
• Security control through software password access and a physical memory protect keyswitch.
• Seven green status LEDs providing diagnostic, execution, and communication updates.
• Software-driven configuration that eliminates the need for physical DIP switches or jumpers.

Applications

• Factory automation and continuous process control systems.
• High-speed packaging and automated material handling equipment.
• Multi-rack PLC installations utilizing VME backplane communications.
• Specialized configurations integrated with remote IC660 or IC661 I/O blocks.

Ordering Information

Technical Specifications

Connections and Interfaces

Port 1 (RS-232 Compatible)

Port 1 features a 6-pin female RJ-11 connector located at the top of the module's serial interface group.

Port 2 (RS-485 Compatible, Optocoupler Isolated)

Port 2 features a 15-pin female D-connector located in the center position.

Port 3 (RS-485 Compatible, Non-Isolated)

Port 3 is located at the bottom of the front interface area and provides a 15-pin female D-connector for SNP Slave communications. Refer to the master installation manuals for extended pin assignments.

Installation Guidelines

• Slot Placement: The CPU must be installed in Slot 1 of Rack 0 only.
• Power Restrictions: Ensure that all rack power is completely turned off before inserting or removing the processor module.
• Cooling and Ventilation: Forced air cooling is mandatory if the ambient operating temperature exceeds 50 Celsius. A fan capable of 70 CFM must be positioned directly underneath slot 1 of the CPU rack. Use factory fan assemblies like the IC697ACC721, IC697ACC724, or IC697ACC744 for direct rack integration.
• Battery Maintenance: Connect the lithium battery (IC697ACC701) to one of the two internal battery connectors prior to system startup. When replacing a depleted cell, plug the new battery into the open connector before unplugging the old one to secure memory preservation.
• Initial Startup Sequence:
  1. Set the operating mode toggle switch to the STOP position.
  2. Turn the physical memory protect keyswitch to the OFF position.
  3. Turn on the primary rack power.
  4. Verify that the top-left OK LED blinks initially and stays illuminated solid after diagnostic processes complete successfully.