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- IC695CPK400
- RX3i CPE400 Controller
- USA
- 190 × 130 × 120 mm
- 1.5 kg
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Product Overview
The GE IC695CPK400 is an RX3i CPE400 Controller designed for industrial automation, machine control, and process-control applications within the GE PACSystems RX3i platform. As a programmable controller, it provides the central processing function required to execute control logic, manage I/O operations, coordinate connected devices, and monitor system conditions.
In an industrial automation architecture, the controller forms the link between the application program and the physical process. Input devices provide process information, the controller evaluates that information, and output devices receive commands generated by the programmed control strategy.
The IC695CPK400 has specified dimensions of 190 × 130 × 120 mm and a weight of approximately 1.5 kg. Its industrial form factor allows it to be integrated into a structured RX3i control cabinet together with compatible power supplies, rack infrastructure, I/O modules, and communication equipment.
This guide provides practical information about product identification, installation, commissioning, system integration, fault diagnosis, preventive maintenance, and replacement.
Product Identification
| Parameter | Specification |
|---|---|
| Manufacturer | GE |
| Product Family | PACSystems RX3i |
| Model | IC695CPK400 |
| Product Type | RX3i CPE400 Controller |
| Primary Function | Programmable Control |
| Dimensions | 190 × 130 × 120 mm |
| Weight | 1.5 kg |
| Installation | RX3i Control System |
| Mounting | Rack-Based Installation |
| Application | Industrial Automation |
| System Role | Central Controller |
Technical Specifications
| Technical Item | Specification |
|---|---|
| Product Series | PACSystems RX3i |
| Part Number | IC695CPK400 |
| Controller Type | CPE400 |
| Height | 190 mm |
| Width | 130 mm |
| Depth | 120 mm |
| Weight | Approximately 1.5 kg |
| Installation Environment | Industrial Control Cabinet |
| Control Architecture | PLC / PAC |
| Primary Role | Central Processing and Control |
| System Integration | RX3i Automation Architecture |
What Is the GE IC695CPK400?
The IC695CPK400 is an RX3i CPE400 controller used to execute a programmed industrial control application.
Its central functions include:
- Executing PLC application logic
- Processing input data
- Generating output commands
- Coordinating I/O modules
- Managing control data
- Supporting communication with connected devices
- Monitoring controller status
- Processing diagnostic information
A simplified automation sequence is:
Field Sensors
↓
Input Modules
↓
IC695CPK400 Controller
↓
PLC Control Logic
↓
Output Modules
↓
Actuators
↓
Industrial Process
The controller continuously processes this information to maintain the required operating sequence.
Controller Operating Principle
During normal operation, the controller performs a repeated control cycle.
1. Input Acquisition
Signals from sensors and input modules are made available to the controller.
2. Program Execution
The CPE400 processes the configured application program.
3. Data Processing
The controller performs the required calculations, comparisons, sequencing, and control decisions.
4. Output Update
Commands are sent to the applicable output modules.
5. Communication
The controller exchanges information with compatible automation devices.
6. Diagnostics
The system monitors hardware and operating conditions for abnormal states.
This cycle allows the controller to coordinate automated machines and industrial processes.
System Integration
A typical RX3i system incorporating the IC695CPK400 may contain:
| Component | Function |
|---|---|
| IC695CPK400 | Central controller |
| RX3i Power Supply | System power |
| RX3i Backplate | Module mounting and backplane connection |
| Digital Input Modules | Discrete signal acquisition |
| Digital Output Modules | Discrete control |
| Analog Input Modules | Analog signal acquisition |
| Analog Output Modules | Analog control |
| Communication Modules | External network/device communication |
| Engineering Workstation | Programming and diagnostics |
| Field Devices | Sensors and actuators |
The exact module arrangement should be determined by the application and validated system configuration.
Typical Industrial Applications
The GE IC695CPK400 can be integrated into RX3i control systems used for:
- Factory automation
- Machine control
- Production lines
- Packaging systems
- Material handling
- Process automation
- Water treatment
- Power generation
- Chemical processing
- Oil and gas
- Food and beverage production
- Pharmaceutical manufacturing
- Mining
- Steel processing
Installation Guide
1. Verify the Controller Model
Confirm the product identification:
GE IC695CPK400 RX3i CPE400 Controller
Check the part number before installation or replacement.
2. Inspect the Controller
Before installation, inspect:
- Controller housing
- Electrical connectors
- Mounting points
- Status indicators
- Product label
- Signs of impact or deformation
Do not install equipment with visible damage.
3. Confirm the RX3i System Architecture
Before mounting the controller, verify:
- RX3i backplate
- Power supply
- Controller position
- I/O arrangement
- Communication modules
- Hardware configuration
4. Prepare the Control Cabinet
The specified dimensions are:
190 × 130 × 120 mm
Provide sufficient space for:
- Controller installation
- Adjacent modules
- Cable routing
- Ventilation
- Maintenance
- Future replacement
Avoid locations exposed to excessive heat, moisture, vibration, or corrosive substances.
5. Back Up the Existing PLC System
For a replacement installation, save:
- PLC application program
- Hardware configuration
- Communication configuration
- Relevant system parameters
- Diagnostic records
This provides a recovery point if configuration problems occur.
6. Shut Down the System
Before physical installation:
- Stop the controlled process.
- Shut down the controller.
- Remove power according to the approved procedure.
- Verify that the equipment is safe to service.
- Apply lockout/tagout procedures where required.
7. Install the Controller
Position the IC695CPK400 in the designated RX3i location.
Verify:
- Correct orientation
- Proper alignment
- Complete connector engagement
- Secure mechanical retention
Do not use excessive force during installation.
8. Connect Required Interfaces
Connect communication and other applicable interfaces.
Ensure:
- Correct connection points
- Secure connectors
- Proper cable routing
- Adequate strain relief
- Separation from high-power conductors
9. Verify the Hardware Configuration
Compare the physical rack with the engineering configuration.
Confirm:
- CPE400 controller
- Slot arrangement
- Power supply
- I/O modules
- Communication modules
- Application configuration
10. Restore Power
After completing the installation:
- Restore system power.
- Observe controller status indicators.
- Allow initialization to complete.
- Check diagnostic information.
- Verify system communication.
Commissioning Procedure
Step 1 — Mechanical Inspection
Confirm that the controller and rack modules are securely installed.
Step 2 — Power Verification
Check system power stability.
Step 3 — Controller Startup
Start the RX3i system according to the approved procedure.
Step 4 — Status Verification
Observe controller indicators and system diagnostics.
Step 5 — Hardware Recognition
Verify that the controller and connected modules are recognized.
Step 6 — Configuration Verification
Confirm that the hardware configuration matches the physical system.
Step 7 — Program Verification
Confirm that the intended application program is loaded.
Step 8 — I/O Testing
Test required input and output channels.
Step 9 — Communication Testing
Verify communication with connected devices.
Step 10 — Process Testing
Run the controlled machine or process under supervised conditions.
Troubleshooting Guide
Fault 1 — Controller Does Not Start
Possible causes:
- Power supply problem
- Poor rack connection
- Incorrect controller installation
- Configuration error
- Controller hardware fault
Recommended Checks
- Check system power.
- Inspect the backplane.
- Verify controller seating.
- Observe status indicators.
- Review controller diagnostics.
Fault 2 — Controller Is Not Recognized
Possible causes:
- Poor module seating
- Incorrect rack position
- Backplane problem
- Hardware configuration mismatch
- Controller failure
Check the physical rack against the engineering configuration.
Fault 3 — Hardware Configuration Error
Possible causes:
- Physical rack differs from configuration
- Incorrect controller selection
- Module arrangement changed
- Configuration was not properly downloaded
Verify every module against the approved hardware configuration.
Fault 4 — Controller Enters a Fault State
Possible causes:
- Application fault
- Hardware problem
- Configuration issue
- Communication fault
- Power instability
Review diagnostic information to determine the fault category.
Fault 5 — I/O Modules Do Not Respond
Possible causes:
- Backplane connection problem
- I/O module installation problem
- Hardware configuration mismatch
- Field wiring issue
- I/O module fault
Check the controller, rack, I/O modules, and field wiring as separate layers.
Fault 6 — Communication Failure
Possible causes:
- Communication configuration problem
- Network fault
- Cable failure
- Interface problem
- Controller configuration issue
Check the entire communication path from the controller to the destination device.
Fault 7 — Intermittent Controller Operation
Possible causes:
- Loose connection
- Power fluctuation
- Excessive temperature
- Vibration
- Electromagnetic interference
Monitor the system during the fault and inspect environmental conditions.
Fault 8 — Unexpected Controller Reset
Possible causes:
- Power interruption
- Power supply instability
- Rack connection problem
- Environmental stress
- Controller hardware issue
Review power-system events together with controller diagnostics.
Fault 9 — PLC Program Does Not Execute Correctly
Possible causes:
- Incorrect program
- Configuration mismatch
- Input signal problem
- Logic error
- Communication issue
- Field-device problem
Use the following troubleshooting sequence:
Hardware → Configuration → Program → Field Devices
Fault 10 — System Fails After Controller Replacement
Possible causes:
- Incorrect application program
- Hardware configuration mismatch
- Communication settings not restored
- Different module arrangement
- Incorrect system parameters
Compare the replacement installation against the documented original system.
Diagnostic Workflow
A practical troubleshooting sequence is:
Power Supply
↓
RX3i Backplate
↓
IC695CPK400
↓
Hardware Configuration
↓
PLC Program
↓
I/O Modules
↓
Communication Network
↓
Field Devices
This approach helps maintenance personnel isolate the fault without unnecessarily replacing working hardware.
Preventive Maintenance
Controller Inspection
Inspect:
- Housing
- Connectors
- Mounting
- Status indicators
- Signs of overheating
Rack Inspection
Check:
- Backplate
- Module seating
- Power connections
- Grounding
- Mounting hardware
Environmental Inspection
Monitor:
- Cabinet temperature
- Dust
- Moisture
- Vibration
- Ventilation
- Corrosive contaminants
Software and Configuration Maintenance
Maintain:
- PLC program backups
- Hardware configuration backups
- Communication settings
- Diagnostic records
- System documentation
Preventive Maintenance Checklist
| Inspection Item | Recommended Action |
|---|---|
| Controller Housing | Inspect for damage |
| Connector Interfaces | Check condition |
| Module Seating | Verify secure installation |
| Backplate | Inspect rack interface |
| Power Supply | Monitor stability |
| Grounding | Verify system grounding |
| Cabinet Temperature | Monitor operating conditions |
| Ventilation | Keep cooling paths clear |
| PLC Program | Maintain current backup |
| Hardware Configuration | Keep documentation updated |
| Diagnostics | Review abnormal events |
Controller Replacement Procedure
Step 1 — Back Up the PLC
Save the current application program and hardware configuration.
Step 2 — Document the System
Record:
- Controller position
- Rack arrangement
- Connected modules
- Communication connections
- Program version
Step 3 — Stop the Process
Place the controlled equipment in a safe state.
Step 4 — Remove Power
Follow the approved shutdown and lockout/tagout procedure.
Step 5 — Disconnect Interfaces
Label and disconnect relevant cables.
Step 6 — Remove the Existing Controller
Carefully release the controller from the rack.
Step 7 — Inspect the Backplane
Check the rack connector and mounting interface.
Step 8 — Install the Replacement
Install the replacement IC695CPK400.
Step 9 — Reconnect Interfaces
Reconnect all required cables and verify connector security.
Step 10 — Restore Configuration
Load the validated PLC application and hardware configuration.
Step 11 — Restore Power
Power up the system and allow the controller to initialize.
Step 12 — Check Diagnostics
Confirm that no unexpected controller or communication alarms are present.
Step 13 — Test I/O
Verify required input and output functions.
Step 14 — Test Communications
Confirm communication with connected devices.
Step 15 — Test the Process
Run the system under controlled conditions before returning to full production.
Key Advantages
- RX3i CPE400 controller architecture
- Centralized programmable control
- Compact industrial design
- Suitable for machine and process automation
- Supports organized RX3i rack architectures
- Compatible with industrial I/O configurations
- Supports communication with connected automation equipment
- Suitable for control cabinets
- Practical for industrial system maintenance
- Specified weight of approximately 1.5 kg
Frequently Asked Questions
What is the GE IC695CPK400?
The GE IC695CPK400 is an RX3i CPE400 Controller used as a central programmable controller within compatible GE PACSystems RX3i automation systems.
What are the dimensions?
The specified dimensions are:
190 × 130 × 120 mm
What is the weight?
Approximately 1.5 kg.
What does the IC695CPK400 do?
It executes PLC application logic, processes input information, updates outputs, coordinates system modules, manages control data, and supports communication with connected automation devices.
Where is the controller installed?
It is installed within the compatible RX3i rack architecture together with the required power supply, backplate, I/O modules, and communication equipment.
Why would the controller fail to start?
Potential causes include unstable power, poor rack connections, configuration errors, application faults, or controller hardware failure.
Why are I/O modules not responding?
Check the controller status, backplane, I/O configuration, module seating, field wiring, and I/O diagnostics.
What causes intermittent operation?
Possible causes include loose connections, unstable power, excessive temperature, vibration, electromagnetic interference, or controller hardware problems.
What should be backed up before replacing the controller?
Maintain current backups of the PLC application, hardware configuration, communication settings, and relevant system parameters.
Conclusion
The GE IC695CPK400 RX3i CPE400 Controller is a central programmable control component designed for industrial automation applications within the PACSystems RX3i platform. With specified dimensions of 190 × 130 × 120 mm and a weight of approximately 1.5 kg, it provides a practical controller solution for machine-control, production, and process-automation systems.
Successful installation requires correct rack integration, secure module connections, stable power, accurate hardware configuration, appropriate cable routing, and suitable cabinet environmental conditions. During commissioning, technicians should verify controller startup, hardware recognition, PLC program execution, I/O operation, communication, and overall process behavior.
When a fault occurs, maintenance personnel should avoid immediately replacing the controller. A structured investigation of the power supply, RX3i backplate, IC695CPK400, hardware configuration, PLC application, I/O modules, communication network, and field devices can provide a more accurate diagnosis and reduce unnecessary downtime.
With regular preventive maintenance, reliable PLC backups, accurate configuration records, and controlled replacement procedures, the GE IC695CPK400 can provide dependable centralized control for demanding RX3i industrial automation applications.