PSC1-E-33-12DI-6DI0-4R0 12/6-Contact Redundant Interlock IP67 Plastic Industrial Safety Switch

1. ​Product Overview​

The Schmersal PSC1-E-33-12DI-6DI0-4R0 represents a premium industrial safety solution for long-range emergency stopping in demanding environments. This fully customized configuration combines a ​33-meter E-series stainless steel cable​ featuring enhanced corrosion resistance for coastal or chemical exposures, integrated with the ​12DI microprocessor control unit​ for SIL 3 diagnostics. The system utilizes ​six heavy-duty 6DI0 tensioners​ to maintain precise cable tension (±3%) across complex routing paths, while the ​4R0 key-release reset mechanism​ ensures controlled restart authorization. Encased in an IP66-rated zinc die-cast housing (IK10 impact protection), this setup handles extreme vibration (up to 100Hz) and thermal cycling (-40°C to +90°C). Designed for perimeter safeguarding of mega-scale facilities, its modular architecture supports cable extensions beyond 100 meters while maintaining a rapid sub-150ms emergency response across all segments.

2. ​Key Technical Parameters​

• ​Cabling:
  • 33m Ø5mm AISI 316L core with X90 coating (saltwater/chloride resistance)
  • Minimum bend radius: 100mm
  • Tensile strength: 1,200N
• ​Control Unit (12DI)​:
  • Compliance: IEC 62061 SIL 3, ISO 13849-1 PL e Cat.4
  • Voltage range: 24V DC to 480V AC
  • Contacts: 2 NC (15A @ 480V AC) + 3 PNP diagnostic outputs
• ​Mechanical:
  • Tensioners: 6× 6DI0 (150-350N adjustable force)
  • Activation travel: 25±2mm
• ​Performance:
  • Response time: ≤140ms
  • Fault detection: <500ms diagnostic scan
• ​Environmental:
  • IP66 (control unit), IP68 (glands)
  • Vibration: 100m/s² (IEC 60068-2-6)
  • Corrosion: 1,000hrs salt spray (ISO 9227)

3. ​Primary Applications and Use Cases​

This system addresses critical safety challenges across heavy industries:

• ​Mega-conveyor networks: Protecting >1km material transport systems in mining with reduced splice points
• ​Container terminals: Emergency stops for ship-to-shore gantry crane access walkways
• ​Steel mill casting beds: Safeguarding 80m+ hot-metal transfer lines (ambient ≤120°C)
• ​Power plant coal systems: Combustible dust zones requiring ATEX-certified components
• ​Automotive mega-press lines: Perimeter guarding for synchronized transfer systems
• ​Airport baggage tunnels: Curved conveyor sections exceeding 30m radii
• ​Offshore platforms: Marine-certified emergency stops on drilling modules
• ​Waste incineration plants: High-temperature cable paths near boiler systems
  The 33-meter spans dramatically reduce connection points (-45% vs. standard systems), minimizing failure risks in corrosive environments. Six strategically positioned 6DI0 tensioners accommodate complex routing around structural obstacles.

4. ​Product Advantages and Functional Benefits​

• ​Extended Cable Spans: 33m length cuts splice requirements by 45%
• ​Corrosion Defense: X90 coating provides >20yr service in saltwater atmospheres
• ​Enhanced Control: 12DI diagnostics detect <0.8mm cable deformation
• ​Precision Tensioning: Six 6DI0 units maintain ±2N force uniformity across 33m
• ​Security Control: 4R0 key-release reset prevents unauthorized restart
• ​Predictive Maintenance:
  • Fiber-optic strain sensing detects strand fatigue
  • Temperature-compensated calibration (±0.01N/°C)
• ​Redundancy: Remains functional with ≤2 tensioner failures
• ​High-Load Contacts: Directly interrupts 15A motors (≤7.5kW)
• ​Compliance Ready: Pre-validated for AS 4024.1, ANSI B11.19
• ​Seismic Rating: Withstands 0.6g accelerations (IEEE 693)

5. ​Core Functionality and Diagnostics​

​Safety Activation Sequence:​​

1. 80N±5% cable pull at any point activates 6DI0 spring-loaded tensioners
2. Mechanical linkage forces positive break of NC contacts within 140ms
3. 4R0 mechanism locks control unit until key reset

​Diagnostic System (12DI):​​

• ​Cable Health Monitoring:
  • Distributed Bragg grating sensors detect 0.01% strain variance
  • Resistance tomography maps corrosion hotspots
• ​Contact Assurance:
  • Infrared gap sensors verify >0.5mm contact separation
  • Load current profiling identifies welding precursors

Packaging & Shipping

Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.

With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are

perfectly.

we are major in PLC,Sensors,HIM,Transmitters.

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