Central States Industrial

Clean-in-place (CIP) is a critical sanitation method used throughout food, dairy, beverage, and pharmaceutical processing to clean lines, vessels, and equipment without disassembly. Manual CIP execution introduces inconsistency — operator variability means cleaning cycles are never truly identical, creating compliance risks and the potential for allergen crossover or product contamination. Chemical usage is difficult to optimize manually, driving up costs. For budget-conscious processors, full-scale automated CIP skids had historically been cost-prohibitive, leaving smaller operations reliant on error-prone manual methods despite the clear safety and quality risks this created.

Central States Industrial (CSI), a Springfield, Missouri-based equipment and services provider serving food, dairy, beverage, and pharmaceutical markets, partnered with Rockwell Automation to develop a Compact CIP — an economical, single-tank, mobile automated cleaning unit priced at roughly half the cost of a standard entry-level CIP skid. The system integrates Allen-Bradley Micro850 programmable logic controllers for flexible I/O and communications, PanelView 800 graphic terminals for touchscreen HMI with remote monitoring capability, PowerFlex 525 AC drives for motor control, and Stratix 2000 unmanaged Ethernet switches for simple network connectivity. Instrumentation from Endress+Hauser and IFM provides accurate process measurement. The unit connects to plant networks via Wi-Fi or Ethernet, enabling data logging of critical process parameters and integration with The Connected Enterprise.

The Compact CIP system delivered measurable operational improvements across CSI's customer base:

• Reduced engineering time and cost through a standard, proven design that enables near-instant quoting for new projects
• Consistent, repeatable cleaning cycles replacing manual processes that were inherently variable regardless of operator diligence
• Accurate data tracking and recording for critical process parameters, supporting regulatory compliance and audit readiness
• Allergen crossover prevention for larger facilities running multiple product lines
• Reduced chemical and resource consumption by executing cleaning cycles to precise parameters rather than operator estimation

The accessibility of the platform extended advanced CIP automation to small processors previously priced out of the market.

• Price accessibility drives adoption: Halving the cost of entry-level CIP automation opens the technology to small and mid-sized processors, not just large plants with dedicated capital budgets.
• Standardization accelerates deployment: Building around a proven, standard component set (PLCs, HMI, drives) reduces custom engineering time and simplifies spare parts management.
• Mobility adds flexibility: A compact, mobile skid design allows processors to share CIP capability across multiple lines or facilities without fixed installation costs.
• Data logging is a compliance multiplier: Automated parameter recording provides audit trails that manual processes cannot reliably produce.
• Allergen control is a business case in itself: For multi-product facilities, contamination prevention can justify automation investment independent of labor or chemical savings.