Pilz PNOZ Compact Pnoz c1/c2 Safety Relay Configuration
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- Vicky
- Issue Time
- Jun 24,2025
Summary
This article introduces the basic functions and wiring methods of Pilz's compact safety relay PNOZ c1/c2, which is suitable for industrial safety applications such as emergency stop and safety doors. It is characterized by small size and easy installation.
PNOZ compact is an economical safety relay series from Pilz. It is affordable and compact, suitable for installing safety products such as emergency stop buttons, safety gate or light barriers/gratings.
1. PNOZ C1 is suitable for emergency stop buttons or safety door switches.
2. PNOZ C2 is used for the safe monitoring of type 4 light barriers or sensors with OSSD outputs. It has extremely high safety and meets the requirements of performance level (PL) e of EN ISO 13849-1 and safety integrity level (SIL) CL 3 of IEC 62061.
Next, we will briefly introduce the parameter settings of the Pnoz c1/c2 safety relay.
Characteristics of PNOZcompact Safety Relay
1. Its compact design saves space in the control cabinet
2. Simple installation and maintenance saves you time
3. No tools are required for installation, as the device simply snaps onto the top-hat rail
4. Complies with EN ISO 13849-1 Performance Level (PL) e, IEC 62061 Safety Integrity Level (SIL) CL requirement limit 3, ensuring maximum safety
5. No separate documentation is required for connection, as it is possible via the block diagram and connection examples on the housing
6. Direct access via the QR code on the device for faster service
LED Indicator Function Description
| Text description | Color | Functional Description |
| POWER | Green | Power status indicator |
| CH.1 | Green | Safety contacts for channel 1 are closed |
| CH.2 | Green | Safety contacts for channel 2 are closed |
Terminal Function Description
| Terminal number | Functional Description |
| A1 | L+ (power supply) |
| A2 | L- (power supply) |
| S12 | Safety input channel 1 |
S22 | Safety input channel 2 |
S33/S35/S34 | Start-up and feedback circuit |
Y32 | Semiconductor outputs (PNOZ C2 only) |
Pilz Pnoz C1/C2 Wiring Diagram
Pilz Pnoz C1 Wiring Diagram
Pilz Pnoz C2 Wiring Diagram
Note: Some of the information in this article is referenced from Pilz brand public information, which is intended to share industry technology and interpret products. The copyright belongs to the original company and will be deleted if infringed.
Source reference: Pilz – PNOZcompact Safety Relays Product Overview
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