Pilz PNOZ s3 Safety Relay Instruction Manual

1. Introducció

The Pilz PNOZ s3 is a compact safety relay designed for monitoring safety functions in industrial applications. It is specifically engineered to monitor E-STOP pushbuttons, safety gates, and light grids, ensuring the safe operation of machinery by reliably detecting and reacting to hazardous conditions. This manual provides essential information for the proper installation, operation, and maintenance of the PNOZ s3 safety relay.

2. Informació de seguretat

Important: Read and understand all safety instructions before installing, operating, or performing maintenance on the PNOZ s3 safety relay. Failure to comply with these instructions may result in serious injury or death, and/or damage to the equipment.

Installation and commissioning must only be carried out by qualified and authorized personnel.
Always disconnect power to the device and the machine before performing any installation, wiring, or maintenance work.
Adhere to all local and national safety regulations, standards, and directives (e.g., EN ISO 13849-1, IEC 62061).
Do not bypass or modify safety functions.
Ensure proper grounding and protection against electrical hazards.

3. Producte acabatview

The Pilz PNOZ s3 safety relay features a compact design with clearly labeled terminals and status indicators on the front panel. It is designed for plug-in mounting, allowing for easy installation and replacement.

Pilz PNOZ s3 Safety Relay front view with terminals and indicators

Figura 1: Frontal view of the Pilz PNOZ s3 Safety Relay, showing input/output terminals and status indicators.

3.1. Terminals

The relay is equipped with screw terminals for secure electrical connections. Key terminals include:

A1, A2: Power supply connection (24VDC).
S11, S12, S21, S22, S34: Input terminals for connecting safety devices such as E-STOP buttons, safety gates, or light grids.
13, 14; 23, 24; 33, 34: Safety output contacts (Normally Open, n/o) for controlling contactors or other safety-related parts of the control system.
Y32: Restableix l'entrada.

3.2. Indicadors

The front panel includes LED indicators to provide status information:

Potència: Indica l'estat de la font d'alimentació.
In1, In2: Indicate the status of the input circuits.
Sortida: Indicates the status of the output contacts.
Restablir: Indicates the status of the reset function.
Error: Illuminates in case of an internal fault or wiring error.

4. Configuració i instal·lació

4.1. Muntatge

The PNOZ s3 is designed for plug-in mounting onto a compatible base or DIN rail adapter. Ensure the mounting location is free from excessive vibration, moisture, and extreme temperatures. Allow adequate space for ventilation and wiring.

Assegureu-vos que la superfície de muntatge estigui neta i seca.
Align the relay with the corresponding slots on the base unit or DIN rail adapter.
Gently push the relay into place until it clicks securely.

4.2. Cablatge

All wiring must be performed according to the provided wiring diagrams from PILZ and relevant electrical standards. Use appropriate wire gauges and ensure all connections are secure to prevent loose contacts.

Connect the 24VDC power supply to terminals A1 (+) and A2 (-).
Connect the safety device inputs (e.g., E-STOP, safety gate contacts) to the S11, S12, S21, S22, S34 terminals as per the application's safety circuit design.
Connect the safety outputs (13/14, 23/24, 33/34) to the control circuit of the machine, typically to contactor coils or other safety-related components.
Connect the reset circuit to terminal Y32 if an external manual reset is required.
Verify all wiring connections for correctness and tightness before applying power.

5. Instruccions de funcionament

Once properly installed and wired, the PNOZ s3 safety relay operates by monitoring the status of its input circuits. When all safety inputs are closed (e.g., E-STOP released, safety gate closed), and after a successful reset, the safety outputs will close, allowing the machine to operate. If any safety input opens, the outputs will immediately open, bringing the machine to a safe state.

5.1. Engegada inicial i reinici

Apply power to the PNOZ s3. The 'Power' LED should illuminate.
Ensure all safety inputs are in their safe (closed) state. The 'In1' and 'In2' LEDs should indicate the status of the input circuits.
If configured for manual reset, activate the reset button connected to Y32. The 'Reset' LED will briefly illuminate, and then the 'Out' LED should turn on, indicating the safety outputs are closed.
If configured for automatic reset, the outputs will close automatically once all safety inputs are in their safe state.

5.2. Funcionament normal

During normal operation, the 'Power', 'In1', 'In2', and 'Out' LEDs should be illuminated, indicating that the safety circuit is closed and the machine is enabled. If a safety function is activated (e.g., E-STOP pressed, safety gate opened), the corresponding input LED(s) will change state, and the 'Out' LED will turn off as the safety outputs open.

6. Manteniment

The Pilz PNOZ s3 safety relay is designed for minimal maintenance. Regular inspections are recommended to ensure continued safe operation.

Inspecció visual: Reviseu periòdicament el relé per detectar qualsevol signe de danys físics, decoloració o connexions soltes.
Neteja: If necessary, gently clean the exterior of the relay with a soft, dry cloth. Do not use abrasive cleaners or solvents.
Prova funcional: Regularly test the safety functions connected to the relay (e.g., activate E-STOP, open safety gate) to ensure the relay responds correctly and brings the machine to a safe state.

7. Solució De Problemes

This section provides guidance for common issues encountered with the PNOZ s3 safety relay.

Símptoma	Causa possible	Solució
Fault indicator (LED) is on.	Internal fault, wiring error, or short circuit in the safety circuit.	Check wiring for shorts or open circuits. Verify power supply. If fault persists, contact PILZ support.
No power LED illumination.	Sense font d'alimentació, volum incorrectetage, or faulty wiring to A1/A2.	Verify 24VDC power supply. Check connections to A1 and A2.
Outputs not activating (Out LED off).	Safety inputs not closed, reset not performed, or internal fault.	Ensure all safety inputs are in their safe state. Perform a manual reset if required. Check input LEDs.
Inputs (In1, In2) LEDs not illuminating correctly.	Faulty safety device, wiring issue to input terminals, or incorrect input configuration.	Check the connected safety devices (E-STOP, safety gate). Verify wiring to S11, S12, S21, S22, S34.

8. Especificacions

Key technical specifications for the Pilz PNOZ s3 safety relay (Model: 750103):

Número de model: 750103
Marca: PILZ
Dimensions del producte: 4.72 x 5.51 x 13.78 polzades; 3.49 unces
Entrada Voltage: 24VDC
Tipus de connector: Endoll
Material de contacte: Silver Tungsten
Tipus de contacte: 2 Normally Open (n/o) safety contacts
Tipus de muntatge: Muntatge endollat
Aplicació: E-STOP, safety gates, light grids monitoring

9. Garantia i Suport

For detailed warranty information, please refer to the official PILZ warranty policy available on their website or contact your authorized PILZ distributor. In case of technical issues or questions not covered in this manual, please contact PILZ technical support for assistance. Ensure you have the model number (750103) and serial number of your device ready when contacting support.

PILZ Official Weblloc: www.pilz.com

	Manual d'instruccions del relé de seguretat PNOZ 10 Aquest manual d'instruccions proporciona informació completa sobre el funcionament, el funcionament, la instal·lació i la connexió del relé de seguretat Pilz PNOZ 10. Inclou especificacions tècniques detallades, característiques de seguretat, esquemes de cablejat i guia per a la resolució de problemes.
	Manual d'instruccions del relé de seguretat Pilz PNOZ s3 Manual d'instruccions complet per al relé de seguretat Pilz PNOZ s3, que cobreix la instal·lació, el funcionament, els detalls tècnics i les característiques de seguretat per a aplicacions d'automatització industrial.
	Manual d'instruccions del relé de seguretat Pilz PNOZ s3 Aquest manual d'instruccions proporciona informació completa sobre el relé de seguretat Pilz PNOZ s3, que cobreix les seves funcions, instal·lació, cablejat, funcionament i especificacions tècniques per a aplicacions de seguretat industrial.
	Relé de seguretat Pilz PNOZ s3: Manual d'instruccions i detalls tècnics Manual d'instruccions complet i especificacions tècniques per al relé de seguretat Pilz PNOZ s3, que cobreix les característiques, la instal·lació, el cablejat, el funcionament, la resolució de problemes i les dades tècniques.
	PILZ PNOZ s3 Sicherheitsschaltgerät Technische Daten und Spezifikationen Detaillierte technische Daten für das PILZ PNOZ s3 Sicherheitsschaltgerät, einschließlich elektrischer, mechanischer und Umweltdaten, Sicherheitskennzahlen, Lebensdauerkurven und Zulassungen.
	Manual d'instruccions del relé de seguretat Pilz PNOZ X6 Manual d'instruccions complet per al relé de seguretat Pilz PNOZ X6, que cobreix la seva funció, instal·lació, cablejat, funcionament i especificacions tècniques. Inclou directrius de seguretat i informació de comanda.

PILZ 750103