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- 150 x 90 x 76 mm
- 0.72 kg.
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Product Overview
The GE IC200UAR028 VersaMax Microcontroller Processor is a compact industrial automation processor designed for use within compatible GE VersaMax control architectures. As a processor-level component, it serves as the central execution unit of the controller, coordinating application logic, I/O processing, sequencing, diagnostics, and communication functions.
In an industrial automation system, the processor receives information from connected input devices, evaluates the programmed control logic, and generates commands for output devices. It can therefore form the central control point for machines, production equipment, material-handling systems, and other automated processes.
The supplied product information identifies the unit as a VersaMax Microcontroller Processor with dimensions of 150 × 90 × 76 mm and a weight of 0.72 kg.
Product Information
- Manufacturer: GE
- Product Family: VersaMax
- Model: IC200UAR028
- Product Type: Microcontroller Processor
- Dimensions: 150 × 90 × 76 mm
- Weight: 0.72 kg
- Primary Function: Programmable Control Processing
- Application: Industrial Automation
- System Role: Controller / Processor
The IC200UAR028 should be installed only within a compatible control-system configuration. Before commissioning, the processor, power arrangement, I/O hardware, application configuration, and communication interfaces should all be checked.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | GE |
| Product Family | VersaMax |
| Model Number | IC200UAR028 |
| Product Type | Microcontroller Processor |
| Dimensions | 150 × 90 × 76 mm |
| Weight | 0.72 kg |
| Main Function | Control Processing |
| Application | Industrial Automation |
| System Role | Controller / Processor |
| Installation | Modular Automation System |
| Maintenance | Installation / Commissioning / Troubleshooting |
The dimensions and weight above are based on the supplied product information.
Function and Working Principle
The IC200UAR028 operates as the processing center of a compatible VersaMax automation system.
A simplified control architecture is:
Sensors / Field Inputs
↓
VersaMax I/O
↓
IC200UAR028 Processor
↓
Application Program
↓
Control Decisions
↓
Output Modules
↓
Actuators / Machines
The processor repeatedly evaluates the state of the connected system and executes the programmed control strategy.
Depending on the application, control logic can include:
- Start/stop sequences
- Interlocking
- Timers
- Counters
- Logic operations
- Equipment sequencing
- Alarm processing
- Data handling
- Machine coordination
- Communication functions
The processor therefore provides the computational foundation required for automated operation.
Role in VersaMax Control Systems
A typical VersaMax-based automation architecture can be organized into several functional levels.
Field Level
Sensors and transmitters collect information from the process.
I/O Level
Input and output modules provide the interface between field equipment and the controller.
Control Level
The IC200UAR028 executes the user application and determines the required output states.
Supervisory Level
Operator or supervisory equipment can monitor process status and exchange information with the control system.
A simplified structure is:
Field Sensors
↓
Input Modules
↓
IC200UAR028
↓
Output Modules
↓
Actuators
and:
IC200UAR028
↕
Communication Infrastructure
↕
Supervisory / External Equipment
This architecture allows the processor to coordinate real-time machine or process operation.
Controller Scan Concept
The processor’s control operation can be understood as a repeating cycle.
Input Acquisition
The controller receives the current state of available inputs.
Program Execution
The application logic evaluates input conditions and internal states.
Output Processing
The controller calculates the required output conditions.
Communication
Applicable communication tasks are processed.
Diagnostics
The controller monitors operating conditions and identifies system-level problems.
This cycle repeats continuously while the processor is operating normally.
The exact execution behavior depends on the installed application and system configuration.
Industrial Applications
Machine Control
The IC200UAR028 can be used in programmable machine-control applications involving sensors, actuators, motors, valves, and interlocks.
Typical applications include:
- Packaging equipment
- Assembly machinery
- Conveyor systems
- Production machines
- Material-handling equipment
Process Equipment
The processor can coordinate equipment such as pumps, valves, motors, and process sensors within suitable automation architectures.
OEM Machinery
Compact programmable control platforms are useful for original equipment manufacturers developing automated machinery.
Material Handling
The processor can coordinate sequences involving conveyors, sensors, motors, and positioning devices.
Utility Equipment
Industrial utility systems can use programmable controllers for equipment sequencing, monitoring, and automated operation.
Installation Guide
1. Verify the Processor
Before installation, verify:
GE IC200UAR028
VersaMax Microcontroller Processor
Inspect the processor for:
- Mechanical damage
- Cracks
- Damaged connectors
- Damaged mounting surfaces
- Contamination
- Signs of improper storage
Confirm that the model number corresponds to the intended application.
2. Review the Existing System
Before installing or replacing the processor, document the existing configuration.
Record:
- Processor location
- I/O module arrangement
- Power supply arrangement
- Communication connections
- Application program
- I/O assignments
- Controller settings
- Network parameters
This information is especially important when replacing an existing controller.
3. Back Up the Control Application
Before removing an existing processor, preserve the applicable control-system information.
Where applicable, the backup should include:
- Application program
- Hardware configuration
- I/O configuration
- Communication settings
- Controller parameters
- Retentive data requirements
- Operator configuration
A verified backup can significantly reduce commissioning time after processor replacement.
4. Place the Machine in a Safe Condition
The processor is directly involved in machine control. Removing or restarting it can affect outputs and equipment operation.
Before installation:
- Stop affected automatic operations.
- Identify equipment controlled by the processor.
- Place the process in a safe condition.
- Disable energy sources where required.
- Follow applicable lockout and maintenance procedures.
- Verify that unexpected movement cannot occur.
5. Inspect the Installation Area
Check the mounting area for:
- Excessive dust
- Moisture
- Corrosion
- Excessive heat
- Mechanical vibration
- Damaged connectors
- Loose hardware
The processor should be installed in a clean and appropriately protected control environment.
6. Install the IC200UAR028
Position the processor correctly within the compatible VersaMax configuration.
Verify:
- Correct orientation
- Correct mounting position
- Proper mechanical engagement
- Connector alignment
- Secure installation
Do not force the processor into position.
7. Verify Power Connections
Before applying power, inspect the control power system.
Check:
- Power wiring
- Terminal connections
- Polarity where applicable
- Grounding
- Supply stability
- Distribution wiring
Incorrect power connections can damage automation equipment or prevent the processor from starting correctly.
8. Verify I/O Connections
Inspect all connected I/O modules.
Verify:
- Module type
- Module location
- I/O assignments
- Field wiring
- Terminal connections
- Sensor connections
- Actuator connections
A processor may operate normally while an incorrect I/O connection causes the machine to behave incorrectly.
9. Verify Communication Connections
If the processor communicates with other automation devices, inspect:
- Communication cables
- Connectors
- Network configuration
- Device addresses
- Communication parameters
- Network topology
A controller can execute its application correctly while external communication remains unavailable.
Commissioning Procedure
Step 1 — Visual Inspection
Inspect the IC200UAR028 and the surrounding control system.
Step 2 — Verify Power
Confirm that the controller receives the required control power.
Step 3 — Check Hardware Configuration
Confirm that the physical I/O arrangement corresponds to the expected configuration.
Step 4 — Restore Application
Load or restore the correct application program and configuration.
Step 5 — Check Processor Diagnostics
Review available status and diagnostic indications.
Step 6 — Test Inputs
Verify that expected input signals are correctly recognized.
Step 7 — Test Outputs
Test outputs under controlled and safe conditions.
Step 8 — Verify Communication
Check communication with connected equipment.
Step 9 — Test Control Sequences
Run machine or process sequences under controlled conditions.
Step 10 — Return to Automatic Operation
After successful verification, restore normal operating mode.
Troubleshooting Guide
Problem 1: IC200UAR028 Does Not Start
Possible causes include:
- No control power
- Incorrect power wiring
- Loose connection
- Processor installation problem
- Hardware fault
- System configuration problem
Recommended Checks
- Check control power.
- Inspect power wiring.
- Verify processor installation.
- Check status indicators.
- Review diagnostic information.
- Inspect connected modules.
Always verify the power supply before replacing the processor.
Problem 2: Processor Starts but Does Not Execute the Application
Possible causes:
- Incorrect operating state
- Application configuration error
- Program problem
- I/O configuration mismatch
- Startup condition not satisfied
- System diagnostic fault
Check processor status and diagnostics before changing the application.
Problem 3: Processor Frequently Resets
Repeated resets may be caused by:
- Unstable power
- Loose power connection
- Electrical interference
- Hardware fault
- Environmental problems
- System-level fault
Diagnostic Sequence
Power
↓
Processor
↓
I/O
↓
Communication
↓
Environment
Monitor the power supply while checking the processor’s diagnostic information.
Problem 4: Inputs Are Not Detected
Possible causes include:
- Failed sensor
- Broken field wiring
- Input module fault
- Incorrect I/O configuration
- Module connection problem
- Processor communication issue
Determine whether one input, one I/O module, or the entire I/O system is affected.
Problem 5: Outputs Do Not Operate
Possible causes:
- Incorrect application logic
- Output module problem
- Field wiring fault
- Missing output power
- Interlock condition
- Processor operating-state problem
Verify the controller’s internal output state before concluding that the processor is faulty.
Problem 6: Communication Is Lost
Possible causes include:
- Network cable fault
- Loose connector
- Incorrect device addressing
- Incorrect communication configuration
- Network equipment failure
- Processor configuration issue
Start with physical connections before changing network parameters.
Problem 7: Machine Runs Incorrectly
If the processor appears operational but the machine does not behave correctly, investigate:
- I/O mapping
- Application logic
- Sensor signals
- Actuator wiring
- Interlocks
- Parameters
- Communication data
The problem may exist outside the processor.
Problem 8: I/O Configuration Error
If the controller reports an I/O configuration mismatch, verify:
- Module positions
- Module types
- Module order
- I/O assignments
- Hardware configuration
The physical hardware arrangement must correspond to the intended controller configuration.
Problem 9: Controller Becomes Unstable After Maintenance
Possible causes include:
- Loose connectors
- Disturbed power wiring
- Incorrect configuration
- Damaged communication cable
- Poor module seating
- Environmental disturbance
Review every component touched during maintenance.
Problem 10: Replacing the Processor Does Not Fix the Fault
If the same fault remains after processor replacement, investigate:
- Power supply
- I/O modules
- Field wiring
- Sensors
- Actuators
- Communication equipment
- Application program
- Configuration
This prevents repeated replacement of healthy controller hardware.
Diagnostic Method
A structured troubleshooting approach is:
Power Supply
↓
IC200UAR028
↓
I/O Modules
↓
Field Wiring
↓
Sensors / Actuators
For communication-related faults:
IC200UAR028
↓
Network Interface
↓
Communication Network
↓
External Device
This approach separates controller faults from I/O and field-level faults.
Processor Replacement Guide
Phase 1 — Preparation
- Confirm GE IC200UAR028.
- Verify the replacement processor.
- Back up the existing application.
- Record hardware configuration.
- Record communication settings.
- Identify affected machinery.
- Place equipment into a safe state.
Phase 2 — Removal
- Follow the approved shutdown procedure.
- Remove power as required.
- Identify connected cables.
- Disconnect applicable interfaces.
- Remove the existing processor.
- Inspect the mounting area.
Phase 3 — Installation
- Inspect the replacement unit.
- Align it correctly.
- Install the processor.
- Confirm secure mechanical engagement.
- Reconnect required interfaces.
- Verify power connections.
Phase 4 — Configuration
- Restore the application.
- Verify hardware configuration.
- Check I/O assignments.
- Verify communication parameters.
- Review processor diagnostics.
Phase 5 — Commissioning
- Apply power.
- Verify startup.
- Check diagnostic status.
- Test inputs.
- Test outputs.
- Verify communications.
- Test machine sequences.
- Return the system to normal operation.
Preventive Maintenance
| Maintenance Item | Recommended Action |
|---|---|
| IC200UAR028 | Inspect physical condition |
| Power Supply | Check stability |
| Connectors | Inspect for secure engagement |
| I/O Modules | Check module condition |
| Communication Network | Inspect connections |
| Application Program | Maintain verified backup |
| Hardware Configuration | Document changes |
| Cabinet | Check cleanliness and environment |
| Grounding | Verify system arrangement |
| Diagnostics | Review recurring faults |
| Field Wiring | Inspect terminals |
| Maintenance Records | Record all changes |
Environmental Considerations
Temperature
Excessive cabinet temperature can reduce electronic component reliability and contribute to controller instability.
Dust
Dust accumulation can affect connectors and overall cabinet conditions.
Moisture
Moisture and condensation may result in corrosion or electrical leakage.
Vibration
Continuous vibration can affect connectors, terminals, and mounting structures.
Electrical Noise
High-power motors, contactors, drives, and switching devices can generate interference.
Proper cabinet design, grounding, and cable separation help reduce these risks.
Common Installation Mistakes
Incorrect Processor Model
Always verify the complete IC200UAR028 model designation before installation.
No Application Backup
Replacing the controller without preserving the required application and configuration can result in lengthy commissioning work.
Incorrect I/O Configuration
The configured hardware must correspond to the actual I/O arrangement.
Incorrect Communication Settings
Incorrect network parameters can prevent communication even when the processor itself is operating normally.
Loose Connections
Poorly seated connectors can create intermittent faults.
Ignoring the Power Supply
Controller resets and unstable operation can originate from the power system rather than the processor.
Key Advantages
- Compact VersaMax microcontroller architecture
- Centralized programmable control
- Suitable for industrial automation applications
- Supports coordinated I/O processing
- Supports machine and process sequencing
- Provides a central control-processing function
- Suitable for modular automation architectures
- Supplied dimensions of 150 × 90 × 76 mm
- Supplied weight of 0.72 kg
- Useful for OEM and industrial control applications
Technical FAQs
What is the GE IC200UAR028?
The GE IC200UAR028 is a VersaMax Microcontroller Processor designed to perform central control-processing functions within a compatible automation system.
What is the primary function of IC200UAR028?
Its primary function is to execute the control application and coordinate input, output, sequencing, diagnostics, and applicable communication functions.
What are the dimensions of IC200UAR028?
The supplied dimensions are 150 × 90 × 76 mm.
What is the weight of IC200UAR028?
The supplied weight is 0.72 kg.
What can cause the processor not to start?
Possible causes include missing or unstable power, incorrect wiring, poor installation, hardware faults, or configuration problems.
Why does a processor repeatedly reset?
Common areas to investigate include control power, loose connections, electrical interference, hardware problems, environmental conditions, and connected system faults.
Why are inputs not changing?
Check field sensors, wiring, I/O modules, module connections, I/O configuration, and processor status.
Why are outputs not activating?
Possible causes include application logic, interlocks, output module faults, field wiring, output power, or processor operating state.
Can a communication problem indicate a processor failure?
Not necessarily. Communication cables, network equipment, addressing, configuration, and external devices should be checked before replacing the processor.
What should be backed up before processor replacement?
The applicable control application, hardware configuration, I/O assignments, communication settings, parameters, and other required controller data should be preserved.
Why is I/O configuration important?
The controller needs to correctly associate the physical I/O hardware with the configured application. A mismatch can result in configuration errors or incorrect machine behavior.
Should the IC200UAR028 be replaced when a machine stops?
No. First isolate the fault through power, processor diagnostics, I/O, communication, field wiring, and application logic.
Conclusion
The GE IC200UAR028 VersaMax Microcontroller Processor serves as a central processing component for compatible industrial automation systems. Based on the supplied information, the processor measures 150 × 90 × 76 mm and weighs 0.72 kg.
Its primary responsibility is to execute the control application and coordinate the exchange of information between the I/O system, field equipment, communication infrastructure, and higher-level control functions. Because the processor occupies a central position in the automation architecture, stable power, correct configuration, secure connections, and reliable I/O are essential for dependable operation.
During installation, technicians should first verify the exact model, preserve the existing application and configuration, place the controlled equipment in a safe state, and carefully install the processor. Commissioning should then proceed from power verification through I/O testing, communication testing, and controlled application execution.
For troubleshooting, a structured diagnostic process is more effective than immediately replacing the controller. Power, I/O modules, field wiring, sensors, actuators, communication equipment, and application configuration should all be considered when investigating controller-related faults.
With appropriate installation practices, configuration management, environmental control, and preventive maintenance, the IC200UAR028 can serve as a reliable processor within a compatible VersaMax automation system.