Learning to implement Function Blocks for Bottle Filling using Inovance's InoProShop / AutoShop is an essential skill for PLC programmers working in Packaging. This comprehensive guide walks you through the fundamentals, providing clear explanations and practical examples that you can apply immediately to real-world projects.
Inovance has established itself as High in China across textiles, packaging, lithium battery, EV manufacturing, elevators, robotics; growing in SE Asia and MEA, making it a strategic choice for Bottle Filling applications. With ~2% global, top-3 in China global market share and 7 popular PLC families including the AM600 and AM610, Inovance provides the robust platform needed for intermediate to advanced complexity projects like Bottle Filling.
The Function Blocks approach is particularly well-suited for Bottle Filling because process control, continuous operations, modular programming, and signal flow visualization. This combination allows you to leverage visual representation of signal flow while managing the typical challenges of Bottle Filling, including precise fill volume and high-speed operation.
Throughout this guide, you'll discover step-by-step implementation strategies, working code examples tested on InoProShop / AutoShop, and industry best practices specific to Packaging. Whether you're programming your first Bottle Filling system or transitioning from another PLC platform, this guide provides the practical knowledge you need to succeed with Inovance Function Blocks programming.
Inovance InoProShop / AutoShop for Bottle Filling
Inovance ships InoProShop as its primary programming IDE for the AM600 / AM610 / H5U medium-PLC families and AutoShop for the Easy-series compact PLCs. InoProShop is built on the CODESYS 3.5 platform, which means engineers transferring from Beckhoff TwinCAT, WAGO e!Cockpit, or Schneider EcoStruxure Machine Expert will recognise the project tree, IEC 61131-3 editors, and visualisation tools immediately. AutoShop is a more traditional ladder-and-IL editor closer to compact-PLC tradition. Inovance'...
Platform Strengths for Bottle Filling:
- CODESYS-based InoProShop for IEC 61131-3 compliance
- Tight integration with Inovance servo drives and inverters
- Strong motion, robotics, and elevator-control product lines
- EtherCAT support across mid-tier and high-end CPUs
Unique ${brand.software} Features:
- InoProShop built on CODESYS 3.5 — full IEC 61131-3 compliance
- Native EtherCAT motion across mid-tier and high-end CPUs
- Tight integration with Inovance servo drives, inverters, and HMIs
- AutoShop for compact AC800 / Easy-series CPUs (lighter IDE)
Key Capabilities:
The InoProShop / AutoShop environment excels at Bottle Filling applications through its codesys-based inoproshop for iec 61131-3 compliance. This is particularly valuable when working with the 5 sensor types typically found in Bottle Filling systems, including Level sensors, Flow meters, Pressure sensors.
Control Equipment for Bottle Filling:
- Filling nozzles (gravity, pressure, vacuum)
- Product tanks with level control
- CIP (clean-in-place) systems
- Cap feeding and sorting equipment
Inovance's controller families for Bottle Filling include:
- AM600: Suitable for intermediate to advanced Bottle Filling applications
- AM610: Suitable for intermediate to advanced Bottle Filling applications
- H5U: Suitable for intermediate to advanced Bottle Filling applications
- AC800: Suitable for intermediate to advanced Bottle Filling applications
Hardware Selection Guidance:
Inovance CPU choice ranges from Easy320 / Easy510 (compact, AutoShop-programmed, FX-style memory model) through AC800 (mid-range compact) to AM600 / AM610 / H5U (medium PLC with EtherCAT, OPC UA, redundant networking on H5U). AM600 is the volume product for OEM machinery; H5U is the choice for higher-axis-count motion applications and lithium-battery / EV manufacturing lines where EtherCAT and tig...
Industry Recognition:
High in China across textiles, packaging, lithium battery, EV manufacturing, elevators, robotics; growing in SE Asia and MEA. High in Chinese EV manufacturing — Inovance is a major automation supplier to BYD, NIO, and Tier 2/3 EV-component plants. AM600 + H5U with EtherCAT motion controls battery-cell assembly, module welding, pack assembly, and end-of-line test stations. Less common in Western Tier 1 automotive but appear...
Investment Considerations:
With $$ pricing, Inovance positions itself in the mid-range segment. For Bottle Filling projects requiring advanced skill levels and 3-6 weeks development time, the total investment includes hardware, software licensing, training, and ongoing support.
Understanding Function Blocks for Bottle Filling
Function Block Diagram (FBD) is a graphical programming language where functions and function blocks are represented as boxes connected by signal lines. Data flows from left to right through the network.
Execution Model:
Blocks execute based on data dependencies - a block executes only when all its inputs are available. Networks execute top to bottom when dependencies allow.
Core Advantages for Bottle Filling:
- Visual representation of signal flow: Critical for Bottle Filling when handling intermediate to advanced control logic
- Good for modular programming: Critical for Bottle Filling when handling intermediate to advanced control logic
- Reusable components: Critical for Bottle Filling when handling intermediate to advanced control logic
- Excellent for process control: Critical for Bottle Filling when handling intermediate to advanced control logic
- Good for continuous operations: Critical for Bottle Filling when handling intermediate to advanced control logic
Why Function Blocks Fits Bottle Filling:
Bottle Filling systems in Packaging typically involve:
- Sensors: Bottle presence sensors (fiber optic or inductive) for container detection, Level sensors (capacitive, ultrasonic, or optical) for fill detection, Load cells for gravimetric (weight-based) filling
- Actuators: Servo-driven filling valves for precise flow control, Pneumatic pinch valves for on/off flow control, Bottle handling star wheels and timing screws
- Complexity: Intermediate to Advanced with challenges including Preventing dripping and stringing after fill cutoff
Programming Fundamentals in Function Blocks:
StandardBlocks:
- logic: AND, OR, XOR, NOT - Boolean logic operations
- comparison: EQ, NE, LT, GT, LE, GE - Compare values
- math: ADD, SUB, MUL, DIV, MOD - Arithmetic operations
TimersCounters:
- ton: Timer On-Delay - Output turns ON after preset time
- tof: Timer Off-Delay - Output turns OFF after preset time
- tp: Pulse Timer - Output pulses for preset time
Connections:
- wires: Connect output pins to input pins to pass data
- branches: One output can connect to multiple inputs
- feedback: Outputs can feed back to inputs for state machines
Best Practices for Function Blocks:
- Arrange blocks for clear left-to-right data flow
- Use consistent spacing and alignment for readability
- Label all inputs and outputs with meaningful names
- Create custom FBs for frequently repeated logic patterns
- Minimize wire crossings by careful block placement
Common Mistakes to Avoid:
- Creating feedback loops without proper initialization
- Connecting incompatible data types
- Not considering execution order dependencies
- Overcrowding networks making them hard to read
Typical Applications:
1. HVAC control: Directly applicable to Bottle Filling
2. Temperature control: Related control patterns
3. Flow control: Related control patterns
4. Batch processing: Related control patterns
Understanding these fundamentals prepares you to implement effective Function Blocks solutions for Bottle Filling using Inovance InoProShop / AutoShop.
Implementing Bottle Filling with Function Blocks
Bottle filling control systems manage the precise dispensing of liquids into containers at high speeds while maintaining accuracy and preventing spillage. PLCs coordinate container handling, fill control, capping, and quality inspection in an integrated packaging line.
This walkthrough demonstrates practical implementation using Inovance InoProShop / AutoShop and Function Blocks programming.
System Requirements:
A typical Bottle Filling implementation includes:
Input Devices (Sensors):
1. Bottle presence sensors (fiber optic or inductive) for container detection: Critical for monitoring system state
2. Level sensors (capacitive, ultrasonic, or optical) for fill detection: Critical for monitoring system state
3. Load cells for gravimetric (weight-based) filling: Critical for monitoring system state
4. Flow meters (magnetic or mass flow) for volumetric filling: Critical for monitoring system state
5. Encoder feedback for rotary filler position: Critical for monitoring system state
Output Devices (Actuators):
1. Servo-driven filling valves for precise flow control: Primary control output
2. Pneumatic pinch valves for on/off flow control: Supporting control function
3. Bottle handling star wheels and timing screws: Supporting control function
4. Capping chuck drives (servo or pneumatic): Supporting control function
5. Torque limiters for cap tightening: Supporting control function
Control Equipment:
- Filling nozzles (gravity, pressure, vacuum)
- Product tanks with level control
- CIP (clean-in-place) systems
- Cap feeding and sorting equipment
Control Strategies for Bottle Filling:
1. Primary Control: Automated bottle filling and capping systems using PLCs for precise volume control, speed optimization, and quality assurance.
2. Safety Interlocks: Preventing Precise fill volume
3. Error Recovery: Handling High-speed operation
Implementation Steps:
Step 1: Characterize product flow properties (viscosity, foaming, temperature sensitivity)
In InoProShop / AutoShop, characterize product flow properties (viscosity, foaming, temperature sensitivity).
Step 2: Determine fill method based on accuracy requirements and product type
In InoProShop / AutoShop, determine fill method based on accuracy requirements and product type.
Step 3: Design container handling for smooth, jam-free operation
In InoProShop / AutoShop, design container handling for smooth, jam-free operation.
Step 4: Implement fill sequence with proper valve timing and deceleration
In InoProShop / AutoShop, implement fill sequence with proper valve timing and deceleration.
Step 5: Add bulk/dribble transition logic for gravimetric filling
In InoProShop / AutoShop, add bulk/dribble transition logic for gravimetric filling.
Step 6: Program calibration routines for automatic fill adjustment
In InoProShop / AutoShop, program calibration routines for automatic fill adjustment.
Inovance Function Design:
InoProShop strongly favours function-block reuse via the Library Manager — Inovance ships standard libraries for motion, drives, HMI, OPC UA, and industry-specific applications (lithium-battery, EV, elevator). AutoShop reuse is open-coded via P-label subroutines. OEM machine-builders increasingly default to InoProShop / AM600 to access the FB libraries.
Common Challenges and Solutions:
1. Preventing dripping and stringing after fill cutoff
- Solution: Function Blocks addresses this through Visual representation of signal flow.
2. Handling foaming products that give false level readings
- Solution: Function Blocks addresses this through Good for modular programming.
3. Maintaining accuracy at high speeds
- Solution: Function Blocks addresses this through Reusable components.
4. Synchronizing multi-head rotary fillers
- Solution: Function Blocks addresses this through Excellent for process control.
Safety Considerations:
- Guarding around rotating components
- Interlocked access doors with safe stop
- Bottle breakage detection and containment
- Overpressure protection for pressure filling
- Chemical handling safety for cleaning solutions
Performance Metrics:
- Scan Time: Optimize for 5 inputs and 5 outputs
- Memory Usage: Efficient data structures for AM600 capabilities
- Response Time: Meeting Packaging requirements for Bottle Filling
Inovance Diagnostic Tools:
InoProShop online mode with full POU monitoring and breakpoint debug,EtherCAT diagnostics page with topology and slave status,Trace tool for analogue / motion signal capture,OPC UA server diagnostics page,Modbus communication trace utility,AutoShop online mode for legacy AC800 / Easy series,Inovance HMI integrated diagnostics for HMI-PLC binding faults,Servo-drive panel diagnostics with InoProShop drive-monitor view,EtherCAT slave-firmware update tool,Project compare tool for change tracking
Inovance's InoProShop / AutoShop provides tools for performance monitoring and optimization, essential for achieving the 3-6 weeks development timeline while maintaining code quality.
Inovance Function Blocks Example for Bottle Filling
Complete working example demonstrating Function Blocks implementation for Bottle Filling using Inovance InoProShop / AutoShop. Follows Inovance naming conventions. Tested on AM600 hardware.
(* Inovance InoProShop / AutoShop - Bottle Filling Control *)
(* Reusable Function Blocks Implementation *)
(* InoProShop strongly favours function-block reuse via the Lib *)
FUNCTION_BLOCK FB_BOTTLE_FILLING_Controller
VAR_INPUT
bEnable : BOOL; (* Enable control *)
bReset : BOOL; (* Fault reset *)
rProcessValue : REAL; (* Bottle presence sensors (fiber optic or inductive) for container detection *)
rSetpoint : REAL := 100.0; (* Target value *)
bEmergencyStop : BOOL; (* Safety input *)
END_VAR
VAR_OUTPUT
rControlOutput : REAL; (* Servo-driven filling valves for precise flow control *)
bRunning : BOOL; (* Process active *)
bComplete : BOOL; (* Cycle complete *)
bFault : BOOL; (* Fault status *)
nFaultCode : INT; (* Diagnostic code *)
END_VAR
VAR
(* Internal Function Blocks *)
fbSafety : FB_SafetyMonitor; (* Safety logic *)
fbRamp : FB_RampGenerator; (* Soft start/stop *)
fbPID : FB_PIDController; (* Process control *)
fbDiag : FB_Diagnostics; (* InoProShop alarms are typically defined in the visualisation alarm-configuration page with severity, latching, and acknowledgement behaviour configured per alarm. The runtime maintains active and historical alarm lists. AutoShop projects fall back to M-flag banks with HMI-side alarm logging. *)
(* Internal State *)
eInternalState : E_ControlState;
tonWatchdog : TON;
END_VAR
(* Safety Monitor - Guarding around rotating components *)
fbSafety(
Enable := bEnable,
EmergencyStop := bEmergencyStop,
ProcessValue := rProcessValue,
HighLimit := rSetpoint * 1.2,
LowLimit := rSetpoint * 0.1
);
(* Main Control Logic *)
IF fbSafety.SafeToRun THEN
(* Ramp Generator - Prevents startup surge *)
fbRamp(
Enable := bEnable,
TargetValue := rSetpoint,
RampRate := 20.0, (* Packaging rate *)
CurrentValue => rSetpoint
);
(* PID Controller - Process regulation *)
fbPID(
Enable := fbRamp.InPosition,
ProcessValue := rProcessValue,
Setpoint := fbRamp.CurrentValue,
Kp := 1.0,
Ki := 0.1,
Kd := 0.05,
OutputMin := 0.0,
OutputMax := 100.0
);
rControlOutput := fbPID.Output;
bRunning := TRUE;
bFault := FALSE;
nFaultCode := 0;
ELSE
(* Safe State - Interlocked access doors with safe stop *)
rControlOutput := 0.0;
bRunning := FALSE;
bFault := NOT bEnable; (* Only fault if not intentional stop *)
nFaultCode := fbSafety.FaultCode;
END_IF;
(* Diagnostics - InoProShop on AM600 / H5U supports SD-card logging via library FBs, plus OPC UA streaming for cloud / on-premises historians. Inovance HMIs add CSV logging at HMI tier. AutoShop projects rely on HMI-tier logging exclusively. *)
fbDiag(
ProcessRunning := bRunning,
FaultActive := bFault,
ProcessValue := rProcessValue,
ControlOutput := rControlOutput
);
(* Watchdog - Detects frozen control *)
tonWatchdog(IN := bRunning AND NOT fbPID.OutputChanging, PT := T#10S);
IF tonWatchdog.Q THEN
bFault := TRUE;
nFaultCode := 99; (* Watchdog fault *)
END_IF;
(* Reset Logic *)
IF bReset AND NOT bEmergencyStop THEN
bFault := FALSE;
nFaultCode := 0;
fbDiag.ClearAlarms();
END_IF;
END_FUNCTION_BLOCKCode Explanation:
- 1.Encapsulated function block follows InoProShop strongly favours function-blo - reusable across Packaging projects
- 2.FB_SafetyMonitor provides Guarding around rotating components including high/low limits
- 3.FB_RampGenerator prevents startup issues common in Bottle Filling systems
- 4.FB_PIDController tuned for Packaging: Kp=1.0, Ki=0.1
- 5.Watchdog timer detects frozen control - critical for intermediate to advanced Bottle Filling reliability
- 6.Diagnostic function block enables InoProShop on AM600 / H5U supports SD-card logging via library FBs, plus OPC UA streaming for cloud / on-premises historians. Inovance HMIs add CSV logging at HMI tier. AutoShop projects rely on HMI-tier logging exclusively. and InoProShop alarms are typically defined in the visualisation alarm-configuration page with severity, latching, and acknowledgement behaviour configured per alarm. The runtime maintains active and historical alarm lists. AutoShop projects fall back to M-flag banks with HMI-side alarm logging.
Best Practices
- ✓Follow Inovance naming conventions: On InoProShop projects, conventions follow CODESYS / IEC norms — PascalCase for
- ✓Inovance function design: InoProShop strongly favours function-block reuse via the Library Manager — Inova
- ✓Data organization: InoProShop uses GVLs and persistent variables for shared data. AutoShop uses D /
- ✓Function Blocks: Arrange blocks for clear left-to-right data flow
- ✓Function Blocks: Use consistent spacing and alignment for readability
- ✓Function Blocks: Label all inputs and outputs with meaningful names
- ✓Bottle Filling: Use minimum 10 readings for statistical fill tracking
- ✓Bottle Filling: Implement automatic re-zero of scales at regular intervals
- ✓Bottle Filling: Provide separate parameters for each product recipe
- ✓Debug with InoProShop / AutoShop: Use InoProShop's online mode to set breakpoints in POUs and step throu
- ✓Safety: Guarding around rotating components
- ✓Use InoProShop / AutoShop simulation tools to test Bottle Filling logic before deployment
Common Pitfalls to Avoid
- ⚠Function Blocks: Creating feedback loops without proper initialization
- ⚠Function Blocks: Connecting incompatible data types
- ⚠Function Blocks: Not considering execution order dependencies
- ⚠Inovance common error: EtherCAT slave order mismatch after physical re-cabling — slave addressing break
- ⚠Bottle Filling: Preventing dripping and stringing after fill cutoff
- ⚠Bottle Filling: Handling foaming products that give false level readings
- ⚠Neglecting to validate Bottle presence sensors (fiber optic or inductive) for container detection leads to control errors
- ⚠Insufficient comments make Function Blocks programs unmaintainable over time
Related Certifications
Mastering Function Blocks for Bottle Filling applications using Inovance InoProShop / AutoShop requires understanding both the platform's capabilities and the specific demands of Packaging. This guide has provided comprehensive coverage of implementation strategies, working code examples, best practices, and common pitfalls to help you succeed with intermediate to advanced Bottle Filling projects.
Inovance's ~2% global, top-3 in China market share and high in china across textiles, packaging, lithium battery, ev manufacturing, elevators, robotics; growing in se asia and mea demonstrate the platform's capability for demanding applications. The platform excels in Packaging applications where Bottle Filling reliability is critical.
By following the practices outlined in this guide—from proper program structure and Function Blocks best practices to Inovance-specific optimizations—you can deliver reliable Bottle Filling systems that meet Packaging requirements.
Next Steps for Professional Development:
1. Certification: Pursue Inovance Certified Engineer to validate your Inovance expertise
2. Advanced Training: Consider InoProShop / AutoShop training certificates for specialized Packaging applications
3. Hands-on Practice: Build Bottle Filling projects using AM600 hardware
4. Stay Current: Follow InoProShop / AutoShop updates and new Function Blocks features
Function Blocks Foundation:
Function Block Diagram (FBD) is a graphical programming language where functions and function blocks are represented as boxes connected by signal line...
The 3-6 weeks typical timeline for Bottle Filling projects will decrease as you gain experience with these patterns and techniques. Remember: Use minimum 10 readings for statistical fill tracking
For further learning, explore related topics including Temperature control, Pharmaceutical liquid filling, and Inovance platform-specific features for Bottle Filling optimization.