KEBA CU313/C Detailed Product Description
KEBA CU313/C Detailed Product Description
I. Product Introduction
KEBA CU313/C is a high-end compact CPU main control module of the KeControl / KePlast series from Austria's KEBA. It is an upgraded and enhanced version of CU312, specifically designed for industrial equipment requiring high speed, high precision, and multi-axis coordination. As the core control unit of the system, it integrates stronger computing capabilities, more comprehensive communication interfaces, and integrated I/O, and is widely used in high-end injection molding machines, fully electric injection molding machines, precision die-casting machines, multi-axis automated production lines, robot-assisted equipment, etc., undertaking core tasks such as logical operations, multi-axis motion control, process data management, communication interconnection, and safety monitoring.
II. Brand and Basic Information
Brand: KEBA (Austrian Keba)
Model: CU313/C (Standard High-End Version, including -SI and other derivative models)
Series: KeControl / KePlast High-Performance Control System
Type: Integrated PLC + Motion Controller (with local I/O)
Appearance: Standard 19-inch rack card-type, metal reinforced enclosure, front high-density cooling grille, front panel integrated multi-function status indicator lights + interface area; supports standard cabinet slot installation and hot swapping.
Size: Approximately 160 mm × 100 mm × 35 mm (Width × Height × Depth)
Weight: Approximately 1.8–2.0 kg
Installation: Control cabinet standard slots, compatible with KEBA dedicated backplane bus
Protection Grade: IP20 (used inside the control cabinet)
Certifications: CE, UL, cUL, compliant with industrial EMC interference and safety standards
III. Electrical and Environmental Parameters
Power Supply Voltage: DC 24 V (±10%, 18–30 VDC), backplane bus power supply, built-in reverse connection, overvoltage, short circuit, surge multiple protections.
Power Consumption: Typical 25 W, maximum ≤ 35 W (during high-load communication and motion).
Processor: 32-bit ARM Cortex-A9 dual-core, main frequency 800 MHz, equipped with real-time multi-tasking operating system (RTOS), hard real-time kernel.
Memory / Storage:
Running Memory: 512 MB DDR3 SDRAM
Program / Data Storage: 4 GB eMMC Flash (supports permanent data retention after power loss)
Power-off Retention: Built-in supercapacitor, data retention ≥ 72 hours after power loss
Control Cycle: Minimum 0.25 ms, supports microsecond-level motion control and high-speed logic response.
Operating Temperature: 0 ℃ ~ +60 ℃ (wide temperature type, suitable for harsh industrial environments)
Storage Temperature: –25 ℃ ~ +70 ℃
Humidity: 5% ~ 95% (no condensation)
Anti-Vibration / Impact: Compliant with EN 60068‑2‑6 (vibration) / EN 60068‑2‑27 (impact) industrial standards, able to withstand high-vibration scenarios.
IV. Interfaces and Integrated I/O Configuration
Integrated Communication Interfaces (Front Panel)
Ethernet ×2: 10/100/1000 Mbps Gigabit dual network ports, supports Modbus TCP, Profinet IO, EtherCAT, Ethernet/IP, can be independently configured as programming / monitoring network and device control network.
RS‑232/RS‑485 Serial Ports ×1: Supports Modbus RTU, free protocol, connects to instruments, sensors, legacy devices.
CANopen ×1: High-speed fieldbus, connects servo drives, remote I/O, third-party CAN devices.
USB 2.0 ×2: For program upload/download, data export, external storage or HMI.
Special System Bus: Backplane interface, connects KEBA expansion I/O modules, axis control modules, supports hot swapping and automatic identification.
Integrated Local I/O (Board-mounted)
Digital Input DI: 16 channels (24 VDC, high-speed response ≤ 10 μs)
Digital Output DO: 16 channels (24 VDC/0.5 A, transistor type)
Analog Input AI: 4 channels (±10 V/0–20 mA, 16-bit resolution)
Analog Output AO: 4 channels (±10 V/0–20 mA, 16-bit resolution) Status indicator light
It includes power (PWR), operation (RUN), error (ERR), communication (COM), I/O status, and fault alarm lights. It displays the working status and fault codes in a hierarchical manner, facilitating quick diagnosis and maintenance.
V. Core Function Characteristics
Superb real-time control and logic processing
Dual-core architecture + hard real-time kernel, capable of handling complex sequential control, safety interlocks, start-stop linkage, fault alarms, and process interlocks, suitable for precise equipment with millisecond or even microsecond response requirements.
High-end multi-axis motion control
Supports up to 32-axis synchronous control, featuring electronic gears, electronic cams, linear/arc interpolation, position/velocity/pressure closed-loop, synchronous following, tension control, etc.; capable of driving servo motors, hydraulic servo, and stepper motors, meeting high-precision motion requirements for full-electric injection molding, precision die-casting, and high-speed assembly.
Integrated I/O and expansion capabilities
On-board 16DI/16DO/4AI/4AO, without the need for additional I/O modules, can meet the basic point requirements of small and medium-sized equipment; through the backplane bus, up to 32 I/O modules can be expanded, with no limit on points and support for digital, analog, temperature, high-speed counting, pulse output, etc. types of modules.
Process data management and recipe system
Real-time collection of process parameters such as temperature, pressure, flow, stroke, speed, etc., supporting storage of multiple groups of recipes (≥1000 groups), one-click switching, permission management, production data traceability, curve analysis, suitable for multi-variety, small-batch flexible production, meeting the dataization management requirements of Industry 4.0.
Multi-protocol industrial communication and networking
Gigabit dual Ethernet + serial port + CANopen multiple interfaces in parallel, compatible with mainstream industrial protocols, capable of simultaneously connecting local servo, HMI, sensors, and upper MES, ERP, remote monitoring systems; supports remote program download, online monitoring, remote fault diagnosis, edge computing data interaction, suitable for the requirements of intelligent factory interconnection.
High reliability and safety design
Industrial-grade components, fanless cooling, full metal shielding, strong anti-interference design, capable of long-term stable operation in dusty, oily, vibrating, and wide-temperature environments, MTBF ≥ 150,000 hours; built-in hardware watchdog, power monitoring, short-circuit protection, over-temperature protection, supports safe shutdown and fault self-diagnosis, ensuring equipment and personnel safety.
Standard programming and software ecosystem
Compliant with IEC 61131-3 international standard, supports ladder diagram LD, function block FBD, structured text ST, instruction list IL; equipped with KEBA KeStudio programming software, integrating programming, debugging, monitoring, simulation, and diagnosis functions, supporting online modification and offline simulation, reducing development and maintenance thresholds.
Six. Typical Application Scenarios
High-end plastic machinery: fully electric injection molding machines, high-speed precision injection molding machines, multi-component injection molding machines, large injection molding machine controllers, controlling the entire process of mold closing, injection, holding pressure, cooling, ejection, and melt glue, achieving high-speed, high-precision, and low-energy molding.
Precision die-casting and metal forming: cold chamber/thermal chamber die-casting machines, precision hydraulic machines, servo presses, stamping equipment's logic and multi-axis motion control, ensuring the stability and product accuracy of high-speed and high-pressure actions.
Multi-axis automated production lines: high-speed assembly lines, electronic manufacturing equipment, medical device production lines, 3C equipment's multi-axis collaborative control and process management.
Packaging and logistics equipment: high-speed pillow packaging machines, vertical packaging machines, stackers, sorting equipment, logistics robots' motion control and data management.
General high-end automation: machine tools, textile machinery, laser processing equipment, special equipment controllers, achieving high-precision automation and dataization management.
Seven. Installation and Usage Tips Installation environment: Standard control cabinet slot installation, away from frequency converters, large power motors and other strong interference sources; reserve more than 30 mm of cooling space around, do not allow blocking the cooling grille; environmental temperature controlled within 0–60 ℃, avoid high temperature and high humidity.
Wiring specifications: Strictly distinguish the positive and negative poles of the DC 24 V power supply, it is recommended to use shielded power lines; communication lines (Ethernet, serial port, CAN) must use dedicated shielded lines, single-ended grounding; separate strong and weak current wiring, spacing ≥ 20 cm, reduce electromagnetic interference.
Debugging and maintenance: Use KeStudio software for programming configuration, check the hardware configuration and communication parameters before downloading the program; regularly (every 3–6 months) clean the dust on the cooling grille, check the interface connection and terminal tightening; for long-term shutdown, disconnect the power supply and keep dry to avoid corrosion by moisture.
VIII. Summary of Product Advantages
Top performance: Compared with CU312, the computing speed, memory, number of motion control axes, and communication bandwidth have all doubled, suitable for the strict requirements of high-end precision equipment.
High integration: Board-mounted rich I/O and multiple communication interfaces, reducing the number of external modules, saving cabinet space and cost.
Stable and durable: Industrial-grade hardware + fanless design + wide temperature tolerance, the failure rate is extremely low during long-term operation, suitable for high-intensity continuous production.
Flexible expansion: Seamless connection with KEBA's full range of I/O and function modules, can expand points and functions as needed, suitable for different scale equipment.
Strong communication: Gigabit dual network ports + multi-protocol support, industry-leading networking and integration capabilities, suitable for industrial 4.0 and intelligent factory requirements.
Complete ecosystem: Complete software, technical materials, spare parts, convenient debugging and maintenance, low comprehensive usage cost.