The ABB GJR5252100R3261, commonly known as the 07KT94G, is a powerful basic unit (CPU) within the Advant Controller 31 (AC31) series. This controller is designed for high-performance automation tasks, offering a compact yet highly functional solution for decentralized control architectures. The “G” version is specifically enhanced for high-speed processing and robust communication, making it a reliable choice for complex logic and rapid data exchange in industrial manufacturing.
Product Specifications (Datasheet)
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Model: 07KT94G
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Part Number: GJR5252100R3261
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System Family: Advant Controller 31 (AC31)
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Dimensions: 140 mm x 120 mm x 85 mm (W x H x D)
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Weight: 0.85 kg
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Country of Origin: Germany
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Supply Voltage: 24V DC
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Memory Capacity: 256 KB Program Memory / 128 KB Data Memory
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Binary I/O: 24 Digital Inputs / 16 Digital Outputs (Integrated)
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Analog I/O: 8 Analog Inputs / 4 Analog Outputs (Integrated)
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Communication Interface: CS31 System Bus, RS-232, and optional Fieldbus support
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Processing Speed: 0.3 ms per 1000 instructions
Key Application Fields
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Machine Building: Precision control for CNC machines, lathes, and specialized assembly tools.
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Building Automation: Managing HVAC, lighting systems, and security protocols in large commercial structures.
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Packaging Industry: Coordinating synchronized movements in labeling, filling, and wrapping equipment.
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Water Treatment: Supervising remote pump stations and managing chemical dosing logic.
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Material Handling: Controlling conveyor belts, automated guided vehicles (AGVs), and sorting systems.
Product Usage Instructions
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Mounting: Secure the 07KT94G unit onto a 35mm DIN rail. Ensure it is mounted horizontally to allow for optimal heat dissipation through the integrated ventilation slots.
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Wiring the I/O: Connect your digital and analog field devices to the screw terminals. Use twisted-pair cables for analog inputs to ensure high signal integrity and noise immunity.
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Power Connection: Supply a stabilized 24V DC to the power terminals. It is critical to ensure the polarity is correct to prevent internal fuse damage.
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Programming: Use the 907 AC 1131 software tool for programming and configuration. Connect your PC to the COM1 (RS-232) port using the appropriate ABB programming cable.
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Bus Termination: If the unit is used at the end of a CS31 system bus line, ensure the termination resistors are correctly engaged to maintain communication stability.
Q&A: Frequently Asked Questions
Q: Can the 07KT94G be expanded with additional I/O modules? A: Yes, the unit features an integrated CS31 bus connector, allowing you to add various decentralized I/O modules to increase the total number of control points.
Q: What is the purpose of the “G” suffix in this model? A: The “G” designation typically refers to a higher processing speed and expanded functionality compared to the standard 07KT94 versions, often including better support for high-speed counters.
Q: How do I backup the program in case of power loss? A: The 07KT94G uses an internal battery-backed RAM. For long-term security, it is highly recommended to also use a plug-in Flash EPROM memory module.
Q: What should I do if the “ERR” LED is flashing? A: A flashing error LED usually indicates a software or configuration error. Connect the programming tool to read the internal error log for a specific diagnostic code.
Find the 07KT94G and other hard-to-find AC31 series components in our professional automation inventory.
Similar Model Recommendations
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ABB 07KT98: A higher-capacity CPU within the AC31 family with significantly more memory and I/O capability.
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ABB 07KT97: A mid-range processor kit providing a balance between speed and integrated signal count.
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ABB 07CR41: A compact, entry-level controller for simpler standalone applications.
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ABB 07DC91: A digital input/output expansion module frequently used to extend the 07KT94G.
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Siemens S7-300 CPU 315-2DP: A comparable PLC from a different ecosystem often used in similar industrial automation scales.
