SCHLEICHER XCX300 / XCS300 PLC CPU Module | Replacement, Equivalent & Selection Guide
The SCHLEICHER XCX300 and XCS300 are high-performance PLC CPU modules from SCHLEICHER’s XC300 series, engineered for demanding industrial automation and process control environments. This page provides complete technical specifications, verified compatible replacement options, equivalent cross-brand models, and a practical selection guide to support engineers and procurement teams in making confident sourcing decisions.
Technical Specifications
- Manufacturer: SCHLEICHER Electronic GmbH & Co. KG
- Series: XC300
- Model Numbers: XCX300 (standard CPU) / XCS300 (extended/safety CPU)
- Type: PLC CPU Module
- Form Factor: Modular rack-mount
- Programming Standard: IEC 61131-3 (LD, FBD, ST, IL, SFC)
- Communication Interfaces: PROFIBUS-DP, CANopen, Ethernet (model-dependent)
- Memory: Integrated on-board program & data memory
- Operating Temperature: 0 °C to +55 °C
- Supply Voltage: 24 V DC (via backplane)
- Protection Class: IP20
- Certifications: CE, UL (verify with official datasheet for specific variant)
- Weight: Approx. 100 g
Always verify specifications against the official SCHLEICHER datasheet for your exact variant before procurement.
Compatible Replacement & Equivalent Models
When the original XCX300 or XCS300 is discontinued, difficult to source, or cost-prohibitive, the following models are commonly evaluated as replacements. Compatibility must be verified for each specific application.
| Model | Manufacturer | Compatibility Notes |
|---|---|---|
| XCX200 | SCHLEICHER | Previous-generation XC200 series; reduced I/O capacity |
| XCX400 | SCHLEICHER | Next-generation upgrade; enhanced performance, may require program migration |
| S7-300 CPU 314C | Siemens | Cross-brand equivalent; requires full I/O remapping and program rewrite |
| Modicon M340 CPU | Schneider Electric | Functional equivalent for mid-range applications; different bus architecture |
| CompactLogix 5370 | Allen-Bradley | North American market alternative; EtherNet/IP native |
Important: Cross-brand replacements require full system re-validation. Contact support@konmask.com for application-specific replacement advice.
Why Choose the Original Model
- Drop-in compatibility: XCX300/XCS300 slots directly into existing XC300 backplanes — no hardware modification required.
- Program portability: Existing IEC 61131-3 programs run without re-engineering or revalidation.
- Proven reliability: Validated in continuous industrial environments with long MTBF records.
- Full spare parts ecosystem: XC300 series I/O modules, power supplies, and accessories remain available.
- Minimized downtime: Swap-in replacement reduces production interruption during maintenance windows.
Typical Applications
- Machine tool automation and CNC auxiliary control
- Packaging and material handling lines
- Building automation and HVAC control systems
- Water treatment and utility plant control
- Automotive assembly line control
- Conveyor and logistics automation
System Compatibility
- Backplane: SCHLEICHER XC300 series rack (XCR300 or compatible)
- I/O Modules: All XC300 series digital and analog I/O modules
- Programming Software: SCHLEICHER ProNumeric / XSoft-CoDeSys-2 (IEC 61131-3 IDE)
- Fieldbus: PROFIBUS-DP master/slave, CANopen master
- HMI: Compatible with standard PROFIBUS and Ethernet-connected HMI panels
- SCADA: OPC-compatible via Ethernet gateway
Selection Guide
Use the following criteria to determine whether XCX300, XCS300, or an alternative best fits your application:
- Choose XCX300 if you need a standard CPU for general-purpose automation within the XC300 platform.
- Choose XCS300 if your application requires extended memory, additional communication ports, or enhanced processing for complex programs.
- Consider XCX400 if you are designing a new system and want the latest SCHLEICHER platform with improved performance and longer product lifecycle.
- Consider cross-brand alternatives only if the XC300 platform is being fully decommissioned and a complete system redesign is planned.
Not sure which model fits your system? Send your existing configuration or BOM to support@konmask.com for a free selection consultation.
Quality Assurance & Sourcing
- All units sourced through verified industrial distribution channels.
- Each module undergoes visual inspection and functional verification prior to shipment.
- Original manufacturer packaging preserved where available.
- Traceability documentation available upon request.
- Warranty: 12 months from date of shipment (see full terms at Konmask.com).
How to Order
- Confirm your exact model number (XCX300 or XCS300) and hardware revision from the module label.
- Verify system compatibility — backplane revision and firmware version.
- Add to cart or contact us for bulk/project pricing.
- Provide your shipping address and preferred freight method at checkout.
- For urgent requirements, email support@konmask.com with subject: URGENT – XCX300/XCS300 Order.
Replacement & Compatibility FAQ
Q: Is the XCS300 a direct drop-in replacement for the XCX300?
A: Both share the same XC300 backplane form factor. However, firmware and memory differences mean program testing is strongly recommended before live deployment.
Q: Can I use a Siemens S7-300 CPU to replace the XCX300?
A: Not directly. A cross-brand replacement requires full I/O remapping, program rewrite, and system re-validation — advisable only during a planned system upgrade.
Q: Is the XCX300 still in production?
A: SCHLEICHER has transitioned focus to newer platforms. Availability may be limited to new-old-stock or refurbished units. Contact us to check current stock.
Q: What programming software is required?
A: SCHLEICHER XSoft-CoDeSys-2 or ProNumeric, both based on the IEC 61131-3 standard.
Q: Do you offer exchange or repair services?
A: Yes. Contact support@konmask.com for repair, exchange, and refurbishment options.
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