Description
🔹 Product Overview
The PILZ PSS 3047-3 ETH-2 SE is a programmable safety controller from the Pilz PSS 3000 controller family. The exact ordering code is 300123, and the referenced unit is identified as Version 4.5.
The controller is designed for safety-related machine automation, combining programmable safety logic with communication and standard automation functions. Its ETH-2 configuration is intended for Ethernet-based integration within industrial control architectures.
⚙️ Key Features
- Brand: PILZ
- Model: PSS 3047-3 ETH-2 SE
- Ordering Code: 300123
- Version: V4.5
- Product Type: Programmable Safety Controller
- Product Family: PSS 3000
- Ethernet communication capability
- Designed for programmable safety-control applications
- Suitable for machine safety and industrial automation
- Supports integration with distributed I/O and automation equipment
- Intended for replacement and maintenance of legacy PSS-based systems
The 300123 ordering code is specifically associated with the PSS 3047-3 ETH-2 SE, while nearby PSS 3047-3 variants such as 300120, 300130, and 300150 are different configurations and should not automatically be treated as interchangeable.
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | PILZ |
| Model | PSS 3047-3 ETH-2 SE |
| Ordering Code | 300123 |
| Version | V4.5 |
| Product Name | Safety Controller |
| Product Family | PSS 3000 |
| Product Type | Programmable Safety PLC / Controller |
| Communication | Ethernet / ETH-2 configuration |
| Application | Machine Safety & Industrial Automation |
| Condition | Used |
| Country of Origin | Germany |
| Dimensions | Verify according to hardware revision |
| Weight | Verify according to actual unit |
🛡️ Safety Control Function
The PSS 3047-3 ETH-2 SE is intended for applications where safety logic must be processed independently and reliably within an industrial control architecture.
Typical safety functions can include:
- Emergency-stop monitoring
- Guard-door monitoring
- Safety switch evaluation
- Two-hand control
- Light curtain and safety sensor monitoring
- Safety-related actuator control
- Machine shutdown sequences
- Interlock monitoring
- Diagnostic processing
The exact safety functions available in an installed system depend on the application program, connected I/O, hardware configuration, and validated machine safety design.
For this reason, replacing a PSS controller is not simply a hardware exchange. The existing safety program, configuration, I/O allocation, and validated safety functions must be checked before commissioning.
🌐 Ethernet & System Integration
The ETH-2 designation identifies an Ethernet-equipped configuration within the PSS 3047-3 family. The controller can therefore be integrated into an industrial network alongside other automation equipment.
Depending on the original machine architecture, Ethernet may be used for:
- Controller-to-controller communication
- Engineering and diagnostics
- Standard automation communication
- Distributed machine-control networks
- Data exchange with supervisory equipment
- Communication with compatible Ethernet devices
A replacement controller should retain the original network configuration wherever possible, including IP addressing, connected devices, communication parameters, and application settings.
🔌 I/O & Machine Integration
The controller normally operates as part of a larger PSS system rather than as an isolated component.
Before replacement, document:
- Connected safety inputs.
- Safety outputs and actuator circuits.
- Standard automation I/O.
- Network connections.
- Program/configuration version.
- Hardware configuration.
- Diagnostic and status indicators.
- Existing safety validation documentation.
Particular attention should be given to the complete ordering code. PSS 3047-3 ETH-2 SE 300123 should not be replaced solely on the basis of the general “PSS 3047-3” designation.
🏭 Typical Applications
The PSS 3047-3 ETH-2 SE can be used in safety-related industrial automation applications such as:
- Machine tools
- Production machinery
- Packaging equipment
- Material-handling systems
- Automated production lines
- Press and forming machinery
- Robotic machine cells
- Conveyor systems
- Industrial process machinery
- Legacy Pilz safety-control installations
Its role is particularly relevant where a machine still depends on an installed PSS 3000 architecture and maintaining the original controller family can reduce engineering changes during service.
🛠️ Installation & Maintenance
Before replacement
- Record the complete controller identification.
- Confirm 300123 and version information.
- Back up the existing application and configuration when possible.
- Document network settings.
- Record connected I/O and terminal assignments.
- Photograph wiring and connector positions.
- Check the condition of the controller and connectors.
During installation
Install the replacement using the machine manufacturer’s approved procedure. Ensure that all wiring and communication connections correspond to the original configuration.
Do not modify safety circuits simply to make a replacement controller operate.
After installation
Perform a controlled commissioning procedure and verify:
- Controller startup
- Hardware diagnostics
- Network communication
- Safety input status
- Safety output status
- Emergency-stop operation
- Guard/interlock operation
- Machine restart behavior
- Diagnostic messages
- Complete safety function performance
A safety-related controller replacement should be followed by the appropriate machine-specific verification and validation procedure.
🔍 Troubleshooting Guide
Controller does not start
Check the controller power supply, connectors, grounding, and diagnostic indicators. Confirm that the installed hardware corresponds to the original configuration.
Ethernet communication is unavailable
Inspect network cabling and link status. Verify IP and communication parameters and confirm that the connected device is configured for the same network architecture.
Safety inputs remain inactive
Check field wiring, safety switches, emergency-stop devices, input modules, and associated configuration. Do not bypass safety devices during troubleshooting.
Safety outputs do not activate
Check the safety logic, input conditions, output wiring, connected actuators, and controller diagnostics. Confirm that all required safety conditions are satisfied.
Machine reports configuration or program errors
Verify the controller version, hardware configuration, application program, and connected I/O. A similar PSS controller variant may not contain the same hardware configuration.
Replacement controller behaves differently
Compare the original and replacement ordering codes carefully. Variants such as PSS 3047-3 ETH-2, PSS 3047-3 ETH-2 SE, and other PSS 3047-3 versions have different ordering codes and should not be assumed to be interchangeable.
❓ FAQ
Q1: What is the PILZ PSS 3047-3 ETH-2 SE?
It is a programmable safety controller belonging to the Pilz PSS 3000 family.
Q2: What is the ordering code?
The ordering code is 300123.
Q3: What does ETH-2 indicate?
It identifies the Ethernet-equipped configuration of the PSS 3047-3 controller family.
Q4: What version is this unit?
The referenced product is identified as V4.5.
Q5: Is the controller used or new?
The referenced listing identifies it as Used.
Q6: Is it a standard PLC?
It is better classified as a programmable safety controller. It can perform control functions, but its primary application is safety-related machine control.
Q7: Can PSS 3047-3 ETH-2 replace PSS 3047-3 ETH-2 SE?
Do not assume so. The standard ETH-2 version is identified as 300120, while the ETH-2 SE version is 300123. The complete ordering code and system configuration should be matched before replacement.
Q8: Can I use a different PSS 3047-3 variant?
Only after confirming hardware, communication, I/O, application-program, and safety-system compatibility. Similar model names do not guarantee interchangeability.
Q9: What should be backed up before replacement?
The application program, hardware configuration, network parameters, I/O allocation, and machine-specific safety configuration should be preserved whenever possible.
Q10: Does replacement require safety validation?
Yes. Because this is a safety controller, the completed machine should undergo the applicable safety verification and validation process after replacement or configuration changes.
📦 Recommended Related PILZ Models & Components
- PILZ PSS 3047-3 — 300100
- PILZ PSS 3047-3 DP-S — 300105
- PILZ PSS 3047-3 AI — 300110
- PILZ PSS 3047-3 AI Ip — 300115
- PILZ PSS 3047-3 ETH-2 — 300120
- PILZ PSS 3047-3 CANopen — 300130
- PILZ PSS SB 3047-3 ETH-2 — 300150
- PILZ PSS SB 3047-3 ETH-2 CANopen — 300151
- PILZ PSS SB 3047-3 DP-S — 300160
- PILZ PSS SB 3047-3 AI ETH-2 — 300170
These related ordering codes are members of the same broader PSS 3000 product family, but their interfaces and functions differ, so they should be treated as related spare-part references rather than automatic substitutes.
💡 Spare-Part Recommendation
For machines still operating with a PSS 3047-3 ETH-2 SE 300123, keeping a matching spare controller can be valuable for reducing downtime caused by controller failure.
For inventory management, record the complete:
PSS 3047-3 ETH-2 SE / 300123 / V4.5
identification rather than storing the part only under the generic PSS 3047-3 family name.
For a safety-critical replacement, hardware compatibility alone is not sufficient. The application program, hardware configuration, network communication, connected I/O, safety functions, and final validation should all be checked before the machine is returned to production.
