KEBA CP263 Modules: CP263/X DM272/A DM272/A MM240/A

Technical Dossier

Product Details And Specifications

KEBA CP263 Series: Comprehensive Module Range and Technical Overview

The KEBA CP263 series is a modular programmable logic controller (PLC) platform developed by KEBA AG (Austria), widely deployed in industrial automation applications including injection molding machine control, CNC motion systems, and process automation in chemical processing, plastics manufacturing, and heavy industry. The CP263 CPU family forms the backbone of KEBA's KeControl architecture, providing deterministic real-time control with a structured backplane bus that supports distributed I/O expansion via DM-series digital modules and MM-series mixed I/O modules. Installations of this series are documented across European and Asian manufacturing facilities, with a significant installed base in injection molding OEM machinery (Engel, Wittmann Battenfeld, and similar platforms that integrate KEBA controllers as embedded control units).

The Evolution of CP263 Architecture

The CP263 platform represents KEBA's second-generation modular controller architecture, succeeding the CP250 series. The CP263/X variant introduced an extended memory footprint and enhanced communication interfaces compared to the base CP263/C. The backplane bus architecture uses a proprietary KEBA K-Bus protocol for inter-module communication, providing cycle-synchronous data exchange between the CPU and I/O expansion modules. Early CP263 deployments (pre-2005) relied on serial fieldbus interfaces (CANopen, Profibus DP); later revisions added Ethernet-based fieldbus support (EtherCAT, PROFINET) via dedicated communication modules. The DM272/A digital I/O modules and MM240/A mixed I/O modules are designed as direct slot-compatible expansions on the CP263 backplane rack, maintaining backward compatibility across the CP263 product generation. As the CP263 series has entered its mature/end-of-life phase, KEBA's current KeControl platform (CP3xx/CP4xx series) is the designated migration path. However, the CP263 installed base remains extensive, and long-term maintenance support — including spare module sourcing — remains a critical operational requirement for facilities running this hardware.

CP263 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified components within the KEBA CP263 ecosystem, classified by functional category:

CPU / Controller Modules

• CP263/C: Base CPU module, 32-bit processor, K-Bus master, standard memory configuration.
• CP263/X: Extended CPU module, expanded RAM/Flash, enhanced communication ports, K-Bus master — the unit present in this listing combination.
• CP263/S: Safety-rated CPU variant, SIL2-capable, integrated safety bus master for fail-safe I/O.

Digital I/O Modules (DM Series)

• DM272/A: 16-channel digital mixed I/O module (8DI / 8DO), 24VDC, K-Bus slave — primary expansion module in this listing.
• DM270/A: 16-channel digital input module, 24VDC, sink/source configurable.
• DM271/A: 16-channel digital output module, 24VDC, transistor output, 0.5A per channel.
• DM274/A: 32-channel digital input module, 24VDC, high-density I/O expansion.
• DM275/A: 32-channel digital output module, 24VDC, transistor, high-density.
• DM276/A: 16-channel relay output module, 230VAC/24VDC, 2A per channel.
• DM278/A: 8-channel digital input module, 24VDC, diagnostic per channel.

Mixed / Analog I/O Modules (MM Series)

• MM240/A: Mixed analog/digital I/O module — analog inputs (0–10V / 4–20mA), analog outputs, and digital I/O channels on a single K-Bus slave card — the third module in this listing combination.
• MM241/A: Analog input module, 8-channel, 12-bit resolution, ±10V / 0–20mA configurable.
• MM242/A: Analog output module, 4-channel, 12-bit, 0–10V / 4–20mA.
• MM244/A: Thermocouple input module, 4-channel, Type J/K/T, for temperature process control.
• MM246/A: RTD input module, 4-channel, PT100/PT1000, 16-bit resolution.

Communication & Interface Modules

• CM260/A: CANopen master/slave communication module for CP263 backplane.
• CM261/A: Profibus DP master module, up to 12 Mbit/s, for CP263 rack integration.
• CM265/A: EtherCAT master communication module, real-time Ethernet fieldbus for CP263.

Power Supply Modules

• PS250/A: 24VDC rack power supply module, compatible with CP263 backplane systems.
• PS251/A: Redundant power supply module for CP263 high-availability configurations.

Sourcing Hard-to-Find & Obsolete CP263 Parts

The CP263 series is classified as a mature product line with no new production runs confirmed for core CPU and standard I/O modules. DriveKNMS maintains a dedicated inventory of tested CP263 series spare parts sourced from decommissioned systems, authorized surplus channels, and OEM overstock. For end-users operating CP263-based machinery — particularly injection molding controllers and CNC systems — where a full platform migration is not economically viable, DriveKNMS provides lifecycle extension support including: individual module replacement (CPU, DM, MM, CM units), rack and backplane assemblies, and complete tested controller sets (CPU + I/O stack as configured). All CP263 modules are cross-referenced against KEBA's published hardware revision documentation to ensure slot and firmware compatibility before dispatch.

Quality Control for the CP263 Range

CP263 modules undergo a structured inspection and functional test protocol prior to shipment. Each CPU module (CP263/C, CP263/X, CP263/S) is powered on the K-Bus backplane test rig, firmware version verified, and communication port integrity confirmed via loopback testing. DM-series digital I/O modules are tested channel-by-channel for input threshold accuracy and output switching under rated load. MM-series analog modules are calibrated against reference signals to verify ADC/DAC linearity within published KEBA specifications (±0.1% full scale). Backplane connector pins are inspected under magnification for oxidation, mechanical damage, and contact integrity. Modules exhibiting any deviation from specification are quarantined and not offered for sale. Each shipped unit is accompanied by a test record and assigned a DriveKNMS inspection reference number.