1. Introduction
This manual provides comprehensive instructions for the safe and effective use of the PILZ PNOZ m B0 safety relay. It covers installation, operation, maintenance, and troubleshooting procedures. The PNOZ m B0 is an original Pilz electrical component known for its durability and robust design, essential for industrial safety applications.
Please read this manual thoroughly before operating the device and retain it for future reference.
2. Product Overview
The PILZ PNOZ m B0 is a compact safety relay designed for monitoring safety functions in industrial environments. Its robust construction ensures reliable performance.
Figure 2.1: Front view of the PILZ PNOZ m B0 safety relay, showing the model number and connection points. The device is encased in clear protective packaging.
Figure 2.2: Rear view of the PILZ PNOZ m B0, displaying detailed technical specifications, certifications (CE, TUV, cULus), and a simplified wiring diagram for power, input, output, and expansion module interfaces.
Figure 2.3: Top view of the PILZ PNOZ m B0, illustrating the included documentation and a software CD, which typically contains manuals and configuration tools.
3. Setup and Installation
Proper installation is crucial for the safe and reliable operation of the PNOZ m B0. Ensure all local and national electrical codes are followed.
3.1 Safety Precautions
- Disconnect all power before installation or maintenance.
- Only qualified personnel should perform installation and wiring.
- Ensure proper grounding.
- Protect the device from moisture and extreme temperatures.
3.2 Mounting
The PNOZ m B0 is designed for DIN rail mounting. Securely snap the device onto a standard 35mm DIN rail in a control cabinet.
3.3 Wiring
Refer to the wiring diagram provided on the device and in the detailed product documentation (often found on the included CD or manufacturer's website). Ensure correct connection of power supply, safety inputs, and outputs.
- Power Supply: Connect 24 V DC to terminals A1/A2.
- Inputs: Connect safety sensors or control devices to the designated input terminals (e.g., IM0-IM19).
- Outputs: Connect safety-related loads to the output terminals (e.g., 00-03).
- Expansion Modules: Use the expansion module interface for additional functionality if required.
4. Operating Instructions
Once installed and wired, the PNOZ m B0 operates automatically based on its configured safety logic. The front panel indicators provide status information.
4.1 Status Indicators
- Power: Indicates power supply status.
- Run: Indicates the device is operating normally.
- Diag: Diagnostic indicator, often used in conjunction with a display or software for detailed error codes.
- Fault (0, 1, etc.): Indicates specific fault conditions. Refer to the troubleshooting section for details.
4.2 Initial Startup
- Verify all wiring connections are secure and correct.
- Apply power to the device.
- Observe the status indicators. The 'Power' and 'Run' indicators should illuminate steadily.
- If any 'Fault' indicators are active, refer to the troubleshooting section.
5. Maintenance
The PNOZ m B0 is designed for minimal maintenance. Regular inspections are recommended to ensure continued safe operation.
5.1 Routine Checks
- Periodically inspect wiring for signs of damage or loose connections.
- Ensure the device is free from dust and debris.
- Verify that ventilation openings are not obstructed.
- Check status indicators for normal operation.
5.2 Cleaning
Clean the exterior of the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
6. Troubleshooting
This section provides guidance for common issues encountered with the PNOZ m B0. For complex problems, contact PILZ technical support.
| Problem | Possible Cause | Solution |
|---|---|---|
| 'Power' indicator off | No power supply or incorrect voltage. | Check power connections and supply voltage (24 V DC). |
| 'Fault' indicator active | Wiring error, sensor fault, or internal device error. |
|
| Device not responding | Incorrect configuration or severe internal fault. |
|
7. Technical Specifications
Key technical data for the PILZ PNOZ m B0 safety relay:
- Model Number: PNOZ m B0
- Manufacturer: PILZ
- Product Dimensions: 18.9 x 12.99 x 2.36 inches (480 x 330 x 60 mm)
- Weight: 0.16 ounces (approx. 4.5 grams)
- Material: Plastic
- Power Supply: Typically 24 V DC (refer to device label for exact ratings)
- First Available: May 4, 2017
- ASIN: B01BQKIG62
- Certifications: CE, TUV, cULus (as indicated on device)
Note: Detailed electrical specifications, such as current ratings for inputs and outputs, are available on the device label and in the comprehensive technical documentation.
8. Warranty and Support
8.1 Warranty Information
For specific warranty terms and conditions, please refer to the documentation provided with your purchase or visit the official PILZ website. Standard return policy for this product is 30 days for refund/replacement.
8.2 Technical Support
For technical assistance, product inquiries, or advanced troubleshooting, please contact PILZ customer support. Contact information can typically be found on the PILZ official website or in the product packaging.
PILZ Official Website: www.pilz.com
