CU312/E/51993
May 20, 2026

CU312/E/51993

Part Number: CU312/E/51993 Brand: KEBA Product Type: Industrial main control CPU module Application: Injection molding machine, multi-axis motion control, full set industrial automation control Installation: Standard cabinet slot installation

Description

1. General Information

Part Number: CU312/E/51993 (also CU312/E/51993/07, P51993-01284)
Manufacturer: KEBA Industrial Automation GmbH, Austria
Type: High-performance 32-bit CPU control card for industrial machinery
Application: Injection molding machines (especially Engel), multi-axis motion control, complex automation systems
Series: CU312 / KeControl C series
Status: Discontinued (available as new surplus or refurbished)

2. System Specifications

  • Processor: 32-bit real-time industrial CPU (Celeron M / ARM 400 MHz class)

  • RAM: 128 MB (battery-backed, data retention during power-off)

  • Flash: 256 MB (firmware, user programs, data logging)

  • Operating System: KEBA proprietary real-time OS (RTOS), IEC 61131-3 compliant

  • Programming Languages: Ladder Diagram (LD), Function Block Diagram (FBD), Structured Text (ST), Instruction List (IL)

  • Performance: Supports multi-axis synchronization, closed-loop motion control, high-speed logic and process control


3. Onboard Interfaces

  • Ethernet: RJ45, 10/100 Mbps (TCP/IP, Modbus TCP)

  • PROFIBUS: D-Sub 9, master/slave capable

  • CAN Bus: CAN 2.0A/B for device-level communication

  • Serial: RS-232 (DB9) for debugging and legacy devices

  • K-Bus: KEBA backplane bus for I/O expansion

  • Display/Panel: DB15 for operator interface connection


4. Electrical Characteristics

  • Supply Voltage: 24 VDC ±10% (19.2–30 VDC)

  • Rated Current: 1.8 A

  • Power Consumption: ~25 W

  • Protection: Overvoltage, overcurrent, short circuit, reverse polarity, EMC protection


5. Environmental & Mechanical

  • Operating Temperature: 0°C to +55°C

  • Storage Temperature: -40°C to +85°C

  • Humidity: 5%–95% RH, non-condensing

  • Protection Class: IP20 (for cabinet mounting)

  • Dimensions (H×W×D): 160 × 62 × 131 mm

  • Weight: ~1.25 kg


6. Features

  1. Central control for complete machine systems

  2. Real-time data acquisition and processing

  3. Multi-group process program execution

  4. Offline program storage and power-off retention

  5. Integrated fault detection and alarm functions

  6. Compatibility with KEBA K-series I/O modules via K-Bus


7. Installation

  1. Disconnect all power before installation/removal

  2. Insert module into standard KEBA control rack and secure

  3. Use shielded cables for Ethernet, PROFIBUS, and CAN

  4. Ensure cabinet ventilation; avoid continuous high temperature

  5. Periodically check wiring and slot contacts


8. Safety Notes

  • This is an industrial control component; only qualified personnel may install, configure, or service it.

  • Operate only within specified voltage and temperature ranges.

  • Do not disassemble or modify the module; warranty will be void.


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