Product Introduction
Our ST4 Safety Beam Sensor Type4 PLe SIL3 is a compact safety photoelectric sensor series. It ensures safety for large machinery where safety guards are hard to install, suitable for both wide spaces and narrow hard-to-reach zones. The detection distance ranges from 0.1m up to 15m. Multiple detection heads support cascade connection with anti-interference function, enabling flexible layout. It complies with international safety standards Type4, PL e and SIL3, and holds CE, TÜV, JIS, UL, OSHA/ANSI certifications.
Key Benefits
ST4 Safety Beam Sensor Type4 PLe SIL3
Technical Specifications
ST4 Safety Beam Sensor Type4 PLe SIL3
Product drawing
|
Item |
Parameter |
|
Safety Rating |
Type4, PL e, SIL3 |
|
Detection Distance |
0.1m ~15m |
|
Max Connection |
1 controller:6 sets of detection heads; 3 linked controllers:18 sets total |
|
Indicator |
Red shading indicator, green emitter indicator, green stable incident light indicator |
|
Detection Head Models |
ST4-A1-J02, ST4-A1-J02V, ST4-A1-J1, ST4-A1-J1V |
|
Controller Models |
ST4-C11, ST4-C12EX |
|
Safety Output |
ST4-C11: PNP or NPN open collector transistor, dual output; ST4-C12EX: selectable polarity dual open collector output |
|
Certifications |
CE, TÜV, JIS, UL, OSHA/ANSI compliant |
Applications & Components
▶Component Matching: Detection heads and controllers must be used as matched sets.
▶Application Instances: Machine safety guarding for large industrial machinery, safety protection for narrow access gaps, safety interlock for automated production equipment, guarding for areas where conventional light curtains cannot be mounted.
▶Wiring structure: Branch cables and extension cables connect detection heads to the controller for flexible wiring layout.
Why Choose This Machine
ST4 Safety Beam Sensor Type4 PLe SIL3 provides flexible modular safety guarding for machine builders. Instead of bulky full-size light curtains, these small safety beam sensors protect hard-to-reach narrow zones. The multi-head cascading function reduces total hardware cost and simplifies wiring for multi-point safety requirements. It holds global safety certifications for export machinery projects.
Part of Your Smart Factory
Integrate Compact ST4 Safety Beam Sensor Type4 PLe SIL3 into your smart factory automation lines. Its anti-interference multi-sensor cascading design works seamlessly on high-density automated stations. It supports reliable safety interlock for relay assembly, PCB processing and other precision manufacturing equipment, maintaining production efficiency while complying with global machine safety regulations.
FAQ
Q: What benefits does the cascade design bring?
A: It supports multiple detection heads connected to one controller, saving wiring work and reducing overall component investment for multi-point safety protection.
Q: What advantages does the optical indicator system offer?
A: Clear red and green indicator lights help engineers quickly check light axis alignment and judge working status, speeding up on-site installation and commissioning.
Q: What is the advantage of its compact size?
A: The small sensor body can be installed in narrow spaces where traditional safety light curtains cannot fit, expanding available safety protection positions for your equipment.
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