GE IC693CPU374 high-end CPU module

Description

IC693CPU374 Product Description:
The GE IC693CPU374 is a high-end CPU module designed specifically for the GE Series 90-30 PLC platform, designed to handle demanding automation tasks with high precision and flexibility. As the core of the system, it executes control logic, manages I/O operations, and facilitates seamless communication with human-machine interfaces (HMI), drivers, and monitoring and data acquisition (SCADA) systems.

IC693CPU374

This module uses a 32-bit Reduced Instruction Set Computer (RISC) processor and 4 MB of user memory (expandable to 8 MB with optional memory cards), supporting up to 3072 I/O points (with remote I/O capability), suitable for large-scale applications such as factory level automation or process control systems. It is compatible with GE’s VersaPro programming software (supporting IEC 61131-3 languages such as ladder diagrams, structured text, and functional block diagrams), enabling engineers to develop complex algorithms for motion control, batch processing, or predictive maintenance.

The unique feature of IC693CPU374 lies in its advanced feature set, including built-in PID control, data recording, and real-time clock functions, which eliminate the need for external modules in many applications. The compact DIN rail installation (100mm width) and hot swappable design of this module simplify installation and maintenance work, while its support for redundant power supplies ensures normal operation time during critical operations.

IC693CPU374

Main features and advantages:
Processing capability and memory
The high-speed 32-bit processor of IC693CPU374can achieve ladder logic scan times as low as 0.3 milliseconds per kilobyte, enabling fast execution of complex control strategies. With 4 MB of user memory (expandable up to 8 MB), it can store large programs, trend data, and recipes, making it suitable for applications that require large amounts of data recording or advanced algorithm storage, such as predictive maintenance models or machine learning based quality control systems.

Communication and Connectivity
This module is equipped with dual RS-232/RS-485 ports and natively supports protocols such as Modbus RTU, DF1, and Ethernet/IP (via the optional IC693ETM300 Ethernet module). It can seamlessly integrate with modern Industrial Internet of Things (IIoT) platforms, SCADA systems, and cloud based analysis tools. This connectivity allows for real-time monitoring of key performance indicators (KPIs) such as overall equipment efficiency (OEE) or energy consumption, thereby supporting data-driven decision-making.

Robust industrial design
IC693CPU374is designed according to the IEC 61000-6-2/6-4 standard, with electromagnetic compatibility, and can operate in environments with up to 95% humidity (non condensing). Its metal casing and fanless design reduce maintenance requirements, while the LED indicator lights on the front panel provide real-time status updates (power, operation, faults, communication). The hot swappable function of this module allows for replacement without shutting down the system, thereby minimizing downtime during routine maintenance or unexpected failures.

Scalability and redundancy
IC693CPU374 supports up to six local I/O racks and 32 remote I/O racks, and can be expanded from small independent systems to large distributed control networks. For critical task applications, it can be configured as a hot standby redundancy pair with another IC693CPU374 to ensure zero downtime during failover. This redundancy, combined with error checking functions such as parity check and watchdog timer, enhances system reliability in applications that do not allow faults.

IC693CPU374

Technical specifications:
Model IC693CPU374
Brand GE
Type PLC CPU Module (Series 90-30)
32-bit RISC processor
User memory 4 MB (expandable to 8 MB through memory card)
Power supply 24 VDC (10-30 VDC input range)
Working temperature -20 ° C to+60 ° C
Installation method DIN rail (EN 50022)
Size 100 x 150 x 110 millimeters (width x height x depth)
Weight 0.9 kilograms
Native communication RS-232, RS-485 (supports Modbus RTU, DF1)
I/O supports up to 3072 I/O points (local+remote)
Programming VersaPro (supports IEC 61131-3 language)
Certification CE, UL, cUL, CSA
2 expansion slots (for memory/communication modules)
Redundant support for hot standby (used with paired CPU)

Contact Us
Phone:+86 16626708626
WeChat/WhatsApp: 16626708626
Email: 3772179818@qq.com

IC693CPU374

Application areas:
In the refinery, IC693CPU374 is responsible for managing the key control loops of the distillation unit, monitoring variables such as pressure, temperature, and flow rate, and executing safety interlocks to prevent operational failures. In the automotive assembly plant, it is responsible for coordinating robot welding units, conveyor systems, and quality control checkpoints to ensure high-speed production while minimizing downtime. Its ability to quickly process ladder logic (0.3 milliseconds/kilobyte) makes it very suitable for applications that require millisecond level response, such as high-speed sorting systems in packaging machinery or logistics fields.

In renewable energy facilities, IC693CPU374 controls solar inverter fields or wind turbine arrays, optimizing power output by adjusting output according to constantly changing environmental conditions. Its sturdy design (with a working temperature range of -20 ° C to+60 ° C and a vibration resistance of up to 3 g) ensures reliability in harsh environments such as outdoor substations or offshore platforms, which are often exposed to moisture, dust, and extreme temperatures. By integrating with remote I/O modules and communication protocols such as Modbus and Ethernet/IP, it achieves centralized control of distributed systems, reduces wiring complexity, and improves scalability.

IC693CPU374

Related products:
IC693MDL740- Digital Input Module (32 points, 24 VDC) for high-density sensor integration.
IC693MDL750- Digital output module (32 points, 24 VDC, transistor output), suitable for fast response actuators.
IC693ALG392- Analog Input/Output Module (8 channels, 16 bits) for precise process control.
IC693ETM300- Ethernet module that supports TCP/IP and Ethernet/IP connections to enterprise networks.
IC693PWR330- Redundant power module (24 VDC) for dual power configuration.
IC693CMM321- Communication module (RS-485), supporting Profibus DP or Modbus RTU networks.
IC693CHS392- Handshake module, used to synchronize redundant CPU pairs in hot standby settings.

IC693CPU374

Installation and maintenance:
Precautions before installation
Before deployment, please ensure that the control cabinet provides sufficient ventilation to maintain the ambient temperature below 50 ° C. Use a dedicated 4-square-meter grounding conductor to ground the module to reduce electromagnetic interference (EMI), especially near variable frequency drives (VFDs) or motors. When configuring remote I/O, use shielded cables and a 120 Ω resistor at the end of the network to prevent signal reflection. For redundant systems, please verify network cabling and IP addressing to ensure seamless failover during testing.
maintenance agreement
Conduct a visual inspection every quarter to check for loose connections, corroded terminals, or signs of overheating. Use VersaPro software to monitor CPU health indicators such as memory usage, scan time change rate, and communication error rate. Backup the program logic to a secure location (such as a USB drive or network server) every month, and replace the internal lithium battery every 5 years to preserve real-time clock and memory data. For redundant systems, perform a fault transition test every six months to verify switching time and data integrity. Record all maintenance activities to comply with ISO 9001 or industry-specific audit requirements.

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