312601 Pilz I/O Module

Description

312601 Pilz I/O Module

Product Dimensions：

The Pilz PNOZ s4 is a compact, stand-alone safety relay from the PNOZsigma range, designed for monitoring safety functions like Emergency Stop (E-STOP) pushbuttons and safety gates. It acts as a reliable Safety Output Module by providing the necessary safe switching contacts to interrupt power to hazardous machine movements.

The typical configuration for the PNOZ s4 is:

• Designation: PNOZ s4

• Wiring: 1 or 2-channel wiring with/without detection of shorts across contacts.

• Start: Automatic or Manual start (Monitored start).

• Outputs: Multiple safety contacts (typically 3 N/O, 1 N/C, and 1 Semiconductor output).

• Supply Voltage: Often 24 V DC.

• Width: $22.5 \text{ mm}$ (compact design).

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⚙️ Product Parameters (Typical PNOZ s4 24VDC)

✨ Product Advantages

• Maximum Safety in Minimum Width: The PNOZsigma series is known for combining high safety standards with an extremely compact design, allowing for space-saving installation on the DIN rail.

• Redundancy and Self-Monitoring: The circuit is inherently redundant with built-in self-monitoring. The safety function remains effective even in the event of a component failure.

• Diagnostic Capabilities: Features multiple LED indicators (e.g., for supply voltage, channel status, and errors) for rapid and easy diagnosis without external measuring devices.

• Versatile Operating Modes: Supports various operating modes, including single-channel/dual-channel operation and different start options (Manual, Monitored, Automatic).

• Standardized Terminals: The terminal designation and position are consistent across all PNOZsigma devices, simplifying configuration, wiring, and maintenance.

⚠️ Important Precautions (Notes)

• Installation Standard: Installation must be performed by qualified personnel and must comply with all relevant safety standards (e.g., EN 60204-1, local regulations).

• Wiring: Always ensure dual-channel wiring is used for safety applications requiring the highest Performance Level (PL e) or Safety Integrity Level (SIL 3) to achieve maximum fault tolerance.

• Improper Use: Using the relay in applications not covered by the technical specification, or bypassing the safety function, is considered improper use and is strictly prohibited.

• Start-up Test: For monitored start configurations, the unit automatically checks the integrity of the safety circuit before activation (start-up test). This feature must not be bypassed.

🏗️ Product Applications

The Pilz PNOZ s4 Safety Output Module is versatile and is primarily used for monitoring and controlling immediate shutdown in safety-critical machinery functions.

Typical applications include:

1. Emergency Stop (E-STOP) Monitoring: Safe monitoring of E-STOP pushbuttons to immediately remove power when activated.

2. Safety Gates / Safety Doors: Monitoring the position of movable guards, ensuring the machine cannot start or operates safely only when the guard is closed.

3. Light Curtains and Light Grids: Used to monitor area access, initiating a safe stop if an object or person breaks the light beam.

4. Two-Hand Control Devices: Used in processes where the operator’s hands must be occupied outside the hazard zone to initiate a machine cycle.

5. Contact Expansion: It can also be used as a contact expansion module (in some configurations) to increase the number of available safe contacts for switching off multiple circuits.

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