Pepperl+Fuchs PSE4-SC-01 Safety Control Unit

USD 250.56

24 VDC safety control unit for PSE4 thru-beam sensors, providing 2 NO safe outputs and achieving PLe Cat 4 for machine guarding. IP20 rated.

SKU PEPPERL-FUCHS-PSE4-SC-01 Category
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Pepperl+Fuchs PSE4-SC-01 Safety Control Unit

Model Identifier PSE4-SC-01
Official Part Number PSE4-SC-01
GTIN Standard NA

Technical Overview

24 VDC safety control unit for PSE4 thru-beam sensors, providing 2 NO safe outputs and achieving PLe Cat 4 for machine guarding. IP20 rated.

Key Features

  • Safety control unit for evaluating safety thru-beam sensors PSE4-SL.
  • Meets Safety category 4 according to EN61496-1.
  • Operates with a 24 V DC supply voltage.
  • Equipped with 2 safe output contacts (relay, 2 NO).
  • Attains Performance level PLe (EN13849-1).
  • Designed as a component of the PSE4 modular safety system.
  • Features green LEDs for power-on and function indication.
  • Degree of protection IP20 for indoor control cabinet installation.

Achieves Performance Level PLe (EN13849-1) and Safety Category 4 (EN61496-1) for robust safety applications, ensuring maximum personnel and machine protection.

Technical Specification Matrix

ParameterValue
Operating Voltage24 V DC +20/-10 %
Power Consumption< 4 W
Output TypeRelay, 2 NO
Max Switching Voltage250 V AC/DC
Max Switching Current4 A
Max Switching Power1000 VA
Response Time32 ms
Ambient Temperature5 ... 55 °C (41 ... 131 °F)
Degree of ProtectionIP20
Performance Level (PL)PL e
Safety CategoryCat. 4
MTTFd166 years
Mission Time (TM)20 years
Diagnostic Coverage (DC)99 %
Permissible Cable Length (Sensor)200 m
Electrical ConnectionScrew terminals, cable cross-section 0.2 ... 2.5 mm²
Housing MaterialPolyethylene (PE)
Physical Weight (kg)0.21
Dimensions L x W x H (cm)10 x 2.25 x 12

Industrial Applications

1. Industrial Machine Guarding

The PSE4-SC-01 is ideal for safeguarding access points to hazardous industrial machinery. By integrating with PSE4-SL safety thru-beam sensors, it detects personnel intrusion into dangerous zones. Its PLe Category 4 rating and fast 32ms response time ensure that machinery is brought to a safe stop quickly, preventing accidents and injuries.

Problem Solved

Prevents personnel from accessing dangerous moving parts of machinery by ensuring a rapid and reliable safety stop if the light barrier is broken.

Machine safetyLight barrierEmergency stopPersonnel protectionEN ISO 13849-1PLeCategory 4

2. Automated Assembly Line Safety Gates

This control unit can be effectively deployed in automated assembly lines to monitor safety gates or access doors. When connected to safety thru-beam sensors, it ensures that the assembly process halts immediately if a gate is opened. The 2 NO safe outputs can directly control the safety circuit, providing reliable interlocking and complying with critical safety standards like PLe Cat 4.

Problem Solved

Ensures automatic shutdown of an assembly line when a safety gate is breached, protecting workers during maintenance or unexpected access.

Safety gate monitoringAccess controlAutomated productionSafety interlockingEN 61496-12 NO outputs24 V DC

3. Robotic Cell Perimeter Protection

For industrial robotic cells, the PSE4-SC-01 provides robust perimeter safety. Paired with PSE4-SL thru-beam sensors, it establishes a monitored safety zone around the robot's work envelope. Should a worker breach this perimeter, the control unit's safety outputs swiftly trigger a safe stop command to the robot controller, meeting the high-performance level 'e' required for modern robotic safety applications.

Problem Solved

Protects personnel from unintended contact with industrial robots by creating a monitored safety zone that triggers a robot stop if violated.

Robotic safetySafety perimeterHuman-robot collaborationIndustrial automationProtective devicePLeIP20
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