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Intermediate15 min readWater & Wastewater

Red Lion Controls Data Types for Pump Control

Learn Data Types programming for Pump Control using Red Lion Controls Crimson 3.2. Includes code examples, best practices, and step-by-step implementation guide for Water & Wastewater applications.

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Platform
Crimson 3.2
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Complexity
Intermediate
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Project Duration
2-4 weeks

Learning to implement Data Types for Pump Control using Red Lion Controls's Crimson 3.2 is an essential skill for PLC programmers working in Water & Wastewater. This comprehensive guide walks you through the fundamentals, providing clear explanations and practical examples that you can apply immediately to real-world projects.

Red Lion Controls has established itself as Niche - Panel builders, OEM machines, remote monitoring, rail and transport, making it a strategic choice for Pump Control applications. With 1% global market share and 5 popular PLC families including the FlexEdge DA10D and FlexEdge DA30D, Red Lion Controls provides the robust platform needed for intermediate complexity projects like Pump Control.

The Data Types approach is particularly well-suited for Pump Control because all programming applications - choosing correct data types is fundamental to efficient plc programming. This combination allows you to leverage memory optimization while managing the typical challenges of Pump Control, including pressure regulation and pump sequencing.

Throughout this guide, you'll discover step-by-step implementation strategies, working code examples tested on Crimson 3.2, and industry best practices specific to Water & Wastewater. Whether you're programming your first Pump Control system or transitioning from another PLC platform, this guide provides the practical knowledge you need to succeed with Red Lion Controls Data Types programming.

Red Lion Controls Crimson 3.2 for Pump Control

Crimson 3.2 is Red Lion's free Windows-based IDE covering HMI design, PLC logic (where applicable), protocol conversion, data logging, and edge gateway configuration in a single environment. The FlexEdge DA series extends the traditional HMI-centric product into combined PLC + HMI + protocol-gateway devices, adding IEC 61131-3 ladder and structured text to Crimson's already-rich HMI feature set. Red Lion's historical strength is protocol conversion — Modbus, Allen-Bradley, Siemens, Omron, Mitsub...

Platform Strengths for Pump Control:

  • Free Crimson 3.2 IDE with integrated PLC + HMI design

  • FlexEdge DA combines protocol conversion, HMI, and PLC

  • Broad protocol library (Modbus, Allen-Bradley, Siemens, Omron)

  • Rugged hardware for industrial and outdoor use


Unique ${brand.software} Features:

  • Free Crimson 3.2 IDE with HMI, PLC, and protocol gateway design

  • FlexEdge DA series combines PLC + HMI + protocol conversion

  • Built-in drivers for 300+ industrial protocols

  • Strong US panel-builder and OEM machine-builder community


Key Capabilities:

The Crimson 3.2 environment excels at Pump Control applications through its free crimson 3.2 ide with integrated plc + hmi design. This is particularly valuable when working with the 5 sensor types typically found in Pump Control systems, including Pressure transmitters, Flow meters, Level sensors.

Control Equipment for Pump Control:

  • Centrifugal pumps for high flow applications

  • Positive displacement pumps for metering

  • Submersible pumps for wet well applications

  • Booster pump systems for pressure maintenance


Red Lion Controls's controller families for Pump Control include:

  • FlexEdge DA10D: Suitable for intermediate Pump Control applications

  • FlexEdge DA30D: Suitable for intermediate Pump Control applications

  • FlexEdge DA50D: Suitable for intermediate Pump Control applications

  • Graphite HMI: Suitable for intermediate Pump Control applications

Hardware Selection Guidance:

Red Lion controller selection spans FlexEdge DA10D (compact form factor, entry-level combined HMI/PLC/gateway), DA30D (mid-range), DA50D (flagship with expanded I/O and networking), Graphite HMI series (pure HMI, pairs with third-party PLCs via protocol conversion), and CR3000 series (dedicated HMI with extensive protocol drivers). Selection depends on required protocol breadth, I/O count, screen ...

Industry Recognition:

Niche - Panel builders, OEM machines, remote monitoring, rail and transport. Red Lion's presence in automotive is primarily in the HMI and protocol-converter functions rather than core PLC control. Red Lion Graphite and FlexEdge panels are common in test cells, specialty tooling, and aftermarket fixtures where multi-protocol translation (Modbus, AB, Siemens, Omron) connects ...

Investment Considerations:

With $$ pricing, Red Lion Controls positions itself in the mid-range segment. For Pump Control projects requiring intermediate skill levels and 2-4 weeks development time, the total investment includes hardware, software licensing, training, and ongoing support.

Understanding Data Types for Pump Control

PLC data types define how values are stored, their valid ranges, and operations that can be performed. Proper type selection ensures accuracy and memory efficiency.

Execution Model:

For Pump Control applications, Data Types offers significant advantages when all programming applications - choosing correct data types is fundamental to efficient plc programming.

Core Advantages for Pump Control:

  • Memory optimization: Critical for Pump Control when handling intermediate control logic

  • Type safety: Critical for Pump Control when handling intermediate control logic

  • Better organization: Critical for Pump Control when handling intermediate control logic

  • Improved performance: Critical for Pump Control when handling intermediate control logic

  • Enhanced maintainability: Critical for Pump Control when handling intermediate control logic


Why Data Types Fits Pump Control:

Pump Control systems in Water & Wastewater typically involve:

  • Sensors: Pressure transmitters for discharge and suction pressure, Flow meters (magnetic, ultrasonic, or vortex), Level transmitters for tank or wet well level

  • Actuators: Variable frequency drives (VFDs) for speed control, Motor starters (DOL or soft start), Control valves for flow regulation

  • Complexity: Intermediate with challenges including Preventing cavitation at low suction pressure


Control Strategies for Pump Control:

  • constant: Maintain fixed speed or output

  • pressure: PID control to maintain discharge pressure setpoint

  • flow: PID control to maintain flow rate setpoint


Programming Fundamentals in Data Types:

Data Types in Crimson 3.2 follows these key principles:

1. Structure: Data Types organizes code with type safety
2. Execution: Scan cycle integration ensures 5 sensor inputs are processed reliably
3. Data Handling: Proper data types for 5 actuator control signals

Best Practices for Data Types:

  • Use smallest data type that accommodates the value range

  • Use REAL for analog values that need decimal precision

  • Create UDTs for frequently repeated data patterns

  • Use meaningful names for array indices via constants

  • Document units in comments (e.g., // Temperature in tenths of degrees)


Common Mistakes to Avoid:

  • Using INT for values that exceed 32767

  • Losing precision when converting REAL to INT

  • Array index out of bounds causing memory corruption

  • Not handling negative numbers correctly with unsigned types


Typical Applications:

1. Recipe management: Directly applicable to Pump Control
2. Data logging: Related control patterns
3. Complex calculations: Related control patterns
4. System configuration: Related control patterns

Understanding these fundamentals prepares you to implement effective Data Types solutions for Pump Control using Red Lion Controls Crimson 3.2.

Implementing Pump Control with Data Types

Pump control systems use PLCs to regulate liquid flow in industrial processes, water treatment, and building services. These systems manage pump operation, protect equipment, optimize energy use, and maintain process parameters.

This walkthrough demonstrates practical implementation using Red Lion Controls Crimson 3.2 and Data Types programming.

System Requirements:

A typical Pump Control implementation includes:

Input Devices (Sensors):
1. Pressure transmitters for discharge and suction pressure: Critical for monitoring system state
2. Flow meters (magnetic, ultrasonic, or vortex): Critical for monitoring system state
3. Level transmitters for tank or wet well level: Critical for monitoring system state
4. Temperature sensors for bearing and motor monitoring: Critical for monitoring system state
5. Vibration sensors for predictive maintenance: Critical for monitoring system state

Output Devices (Actuators):
1. Variable frequency drives (VFDs) for speed control: Primary control output
2. Motor starters (DOL or soft start): Supporting control function
3. Control valves for flow regulation: Supporting control function
4. Isolation valves (actuated for remote operation): Supporting control function
5. Check valves to prevent backflow: Supporting control function

Control Equipment:

  • Centrifugal pumps for high flow applications

  • Positive displacement pumps for metering

  • Submersible pumps for wet well applications

  • Booster pump systems for pressure maintenance


Control Strategies for Pump Control:

  • constant: Maintain fixed speed or output

  • pressure: PID control to maintain discharge pressure setpoint

  • flow: PID control to maintain flow rate setpoint

  • level: Control tank/wet well level within band


Implementation Steps:

Step 1: Characterize pump curve and system curve

In Crimson 3.2, characterize pump curve and system curve.

Step 2: Size VFD for application (constant torque vs. variable torque)

In Crimson 3.2, size vfd for application (constant torque vs. variable torque).

Step 3: Implement primary control loop (pressure, flow, or level)

In Crimson 3.2, implement primary control loop (pressure, flow, or level).

Step 4: Add pump protection logic (minimum flow, temperature, seal)

In Crimson 3.2, add pump protection logic (minimum flow, temperature, seal).

Step 5: Program lead/lag sequencing with alternation

In Crimson 3.2, program lead/lag sequencing with alternation.

Step 6: Implement soft start/stop ramps for smooth operation

In Crimson 3.2, implement soft start/stop ramps for smooth operation.


Red Lion Controls Function Design:

Crimson projects use reusable 'programs' (Crimson's unit of logic code) with parameters. Library management is more basic than in mainstream IEC ecosystems; OEMs typically maintain private project templates and copy-adapt rather than importing shared libraries. FlexEdge DA's IEC PLC portion follows standard IEC 61131-3 function-block reuse patterns.

Common Challenges and Solutions:

1. Preventing cavitation at low suction pressure

  • Solution: Data Types addresses this through Memory optimization.


2. Managing minimum flow requirements

  • Solution: Data Types addresses this through Type safety.


3. Coordinating VFD speed with system pressure

  • Solution: Data Types addresses this through Better organization.


4. Handling pump cycling with varying demand

  • Solution: Data Types addresses this through Improved performance.


Safety Considerations:

  • Dry run protection using flow or level monitoring

  • Overtemperature protection for motor and bearings

  • Overload protection through current monitoring

  • Vibration trips for mechanical failure detection

  • Emergency stop with proper system depressurization


Performance Metrics:

  • Scan Time: Optimize for 5 inputs and 5 outputs

  • Memory Usage: Efficient data structures for FlexEdge DA10D capabilities

  • Response Time: Meeting Water & Wastewater requirements for Pump Control

Red Lion Controls Diagnostic Tools:

Crimson 3.2 integrated debugger with tag monitoring and simulation mode,Built-in data-logging diagnostics with local and network-export options,Integrated communication analyzer for every supported driver (300+ protocols),FlexEdge webserver for remote HMI mirroring and device-level diagnostics,Visual logic debugger for Crimson logic (event-driven rather than scan-based),Real-time tag watch with filtering and grouping,Database import/export for tag-database migration and diffing,N-Tron managed switch diagnostics integrated with FlexEdge ecosystem,Red Lion US-based technical support,Crimson help system with protocol-specific driver documentation inline

Red Lion Controls's Crimson 3.2 provides tools for performance monitoring and optimization, essential for achieving the 2-4 weeks development timeline while maintaining code quality.

Red Lion Controls Data Types Example for Pump Control

Complete working example demonstrating Data Types implementation for Pump Control using Red Lion Controls Crimson 3.2. Follows Red Lion Controls naming conventions. Tested on FlexEdge DA10D hardware.

// Red Lion Controls Crimson 3.2 - Pump Control Control
// Data Types Implementation for Water & Wastewater
// Red Lion projects use Crimson's tag database with typed tags

// ============================================
// Variable Declarations
// ============================================
VAR
    bEnable : BOOL := FALSE;
    bEmergencyStop : BOOL := FALSE;
    rPressuretransmitters : REAL;
    rCentrifugalpumps : REAL;
END_VAR

// ============================================
// Input Conditioning - Pressure transmitters for discharge and suction pressure
// ============================================
// Standard input processing
IF rPressuretransmitters > 0.0 THEN
    bEnable := TRUE;
END_IF;

// ============================================
// Safety Interlock - Dry run protection using flow or level monitoring
// ============================================
IF bEmergencyStop THEN
    rCentrifugalpumps := 0.0;
    bEnable := FALSE;
END_IF;

// ============================================
// Main Pump Control Control Logic
// ============================================
IF bEnable AND NOT bEmergencyStop THEN
    // Pump control systems use PLCs to regulate liquid flow in ind
    rCentrifugalpumps := rPressuretransmitters * 1.0;

    // Process monitoring
    // Add specific control logic here
ELSE
    rCentrifugalpumps := 0.0;
END_IF;

Code Explanation:

  • 1.Data Types structure optimized for Pump Control in Water & Wastewater applications
  • 2.Input conditioning handles Pressure transmitters for discharge and suction pressure signals
  • 3.Safety interlock ensures Dry run protection using flow or level monitoring always takes priority
  • 4.Main control implements Pump control systems use PLCs to regulat
  • 5.Code runs every scan cycle on FlexEdge DA10D (typically 5-20ms)

Best Practices

  • Follow Red Lion Controls naming conventions: Red Lion projects use Crimson's tag database with typed tags and descriptive nam
  • Red Lion Controls function design: Crimson projects use reusable 'programs' (Crimson's unit of logic code) with par
  • Data organization: Crimson tag databases hold typed tags with scope (Global, Alarm, Report, etc.) a
  • Data Types: Use smallest data type that accommodates the value range
  • Data Types: Use REAL for analog values that need decimal precision
  • Data Types: Create UDTs for frequently repeated data patterns
  • Pump Control: Use PID with derivative on PV for pressure control
  • Pump Control: Implement soft start ramps even with VFD (200-500ms)
  • Pump Control: Add flow proving before considering pump operational
  • Debug with Crimson 3.2: Use Crimson 3.2's simulation mode to test HMI and logic before deployi
  • Safety: Dry run protection using flow or level monitoring
  • Use Crimson 3.2 simulation tools to test Pump Control logic before deployment

Common Pitfalls to Avoid

  • Data Types: Using INT for values that exceed 32767
  • Data Types: Losing precision when converting REAL to INT
  • Data Types: Array index out of bounds causing memory corruption
  • Red Lion Controls common error: Crimson version-to-firmware compatibility issues after hardware firmware upgrade
  • Pump Control: Preventing cavitation at low suction pressure
  • Pump Control: Managing minimum flow requirements
  • Neglecting to validate Pressure transmitters for discharge and suction pressure leads to control errors
  • Insufficient comments make Data Types programs unmaintainable over time

Related Certifications

🏆Red Lion Crimson Certified Engineer
🏆Red Lion Specialist Training

Mastering Data Types for Pump Control applications using Red Lion Controls Crimson 3.2 requires understanding both the platform's capabilities and the specific demands of Water & Wastewater. This guide has provided comprehensive coverage of implementation strategies, working code examples, best practices, and common pitfalls to help you succeed with intermediate Pump Control projects.

Red Lion Controls's 1% market share and niche - panel builders, oem machines, remote monitoring, rail and transport demonstrate the platform's capability for demanding applications. The platform excels in Water & Wastewater applications where Pump Control reliability is critical.

By following the practices outlined in this guide—from proper program structure and Data Types best practices to Red Lion Controls-specific optimizations—you can deliver reliable Pump Control systems that meet Water & Wastewater requirements.

Next Steps for Professional Development:

1. Certification: Pursue Red Lion Crimson Certified Engineer to validate your Red Lion Controls expertise
2. Advanced Training: Consider Red Lion Specialist Training for specialized Water & Wastewater applications
3. Hands-on Practice: Build Pump Control projects using FlexEdge DA10D hardware
4. Stay Current: Follow Crimson 3.2 updates and new Data Types features

Data Types Foundation:

PLC data types define how values are stored, their valid ranges, and operations that can be performed. Proper type selection ensures accuracy and memo...

The 2-4 weeks typical timeline for Pump Control projects will decrease as you gain experience with these patterns and techniques. Remember: Use PID with derivative on PV for pressure control

For further learning, explore related topics including Data logging, Wastewater treatment, and Red Lion Controls platform-specific features for Pump Control optimization.