PSC1-E-31-12D1-10D10 - 12/10-Contact Interlock IP67 Plastic Industrial Safety Switch

1. ​Product Overview​

The Schmersal PSC1-E-31-12D1-10D10 is an industrial-grade emergency stop system engineered for large-scale infrastructure protection. Combining a ​31-meter E-series stainless steel cable​ (marine-grade AISI 316L core) with the ​12D1 diagnostic control unit​ and ​10 heavy-duty D10 tensioners, this solution provides SIL 3/PL e safety across complex installations. Designed for harsh environments, the cable features corrosion-resistant epoxy coating and maintains flexibility from ​​-40°C to +90°C. The 12D1 unit houses dual-processor diagnostics for predictive maintenance, while 10 synchronized tensioners ensure uniform cable tension (±2%) across long spans and multi-path routing. Encased in an IP66 zinc die-cast enclosure (IK10 impact rated), the system withstands high vibration, thermal cycling, and chemical exposure.

2. ​Key Technical Parameters​

• ​Cable System:
  • Length: 31m, Ø5mm core, 1,500N tensile strength
  • Corrosion: X90 epoxy coating (IEC 60068-2-52 salt mist 1,500hrs)
• ​Control Unit (12D1)​:
  • Voltage: 24V DC to 480V AC, 50/60Hz
  • Safety Outputs: 2 NC (20A @ 480V AC)
  • Diagnostics: 4 semiconductor outputs (PNP)
• ​Tensioners (10× D10)​:
  • Tension Range: 150-400N (field-adjustable)
  • Angular Tolerance: ±15°
• ​Performance:
  • Response Time: ≤130ms
  • Safety Rating: ISO 13849-1 PL e Cat.4, SIL 3
• ​Environmental:
  • IP66/IP69K (control unit)
  • Vibration: 100m/s² (10-500Hz)
  • Humidity: 100% condensing

3. ​Primary Applications​

This system excels in critical infrastructure requiring extended cable runs:

• ​Port Cranes: Emergency stops on quayside gantries (saltwater/corrosion resistance)
• ​Mining Conveyors: 500m+ overland transport with minimal splices
• ​Steel Hot-Rolling Mills: Protection along 120°C casting lines
• ​Bulk Liquid Terminals: Hazardous area compliance (ATEX Zone 1/21)
• ​Power Generation: Coal conveyor emergency stops in combustible dust zones
• ​Airport Tunnels: Baggage system perimeter guarding with curved routing
  The 31m cable span reduces splices by 45% versus industry-standard 10m systems. Ten strategically positioned D10 tensioners accommodate complex layouts around structural obstacles while maintaining precise tension control.

4. ​Functional Advantages​

• ​Failure Prevention:
  • Distributed tensioning prevents cable sag (max 2mm deviation across 31m)
  • 10D10 tensioners compensate for thermal expansion/contraction
• ​Predictive Maintenance:
  • Fiber-optic strain sensing detects 0.1% cable fatigue
  • Contact wear monitoring via current profiling
• ​Operational Efficiency:
  • 40% fewer splice points versus modular 10m systems
  • Hot-swappable cable sections (5min replacement)
• ​Safety Compliance:
  • Pre-validated SIL 3 templates (TÜV certified)
  • ATEX/IECEx Ex db IIC T6 Gb certified
• ​Robust Integration:
  • Direct 20A motor control (≤11kW)
  • IO-Link v1.1 integration for cloud analytics
• ​Resilience Features:
  • Vibration damping at ≥10g acceleration
  • Hydraulic shock absorption for 300N impact loads

5. ​Diagnostic Operation​

​Safety Trigger Sequence:​​

• Cable pull ≥150N activates nearest D10 tensioner
• Mechanical linkage forces NC contacts open in ≤130ms
• Contact separation >1mm verified via infrared sensors

​Advanced Diagnostics (12D1):​​

• ​Cable Integrity Monitoring:
  • Distributed Bragg sensors detect 0.5mm elongation
  • Micro-Ohm resistance tomography maps corrosion
• ​Tensioner Synchronization:
  • Laser alignment checks (±0.05°)
  • Force variance tracking (<±3% tolerance)
• ​Fault Response Protocol:

  ​Condition​	​Alert Level​	​System Response​
  Cable elongation >12%	Warning	NO diagnostic pulse
  Tensioner force deviation >8%	Degraded	Safety lock bypass disabled
  Strand break detected	Critical	Immediate shutdown

​Reset Procedure:​​

1. Physical key reset at 12D1 unit
2. Auto-calibration verifies:
   • Cable tension within ±5% of preset
   • Contact resistance <75mΩ
3. PLC handshake via IO-Link completes reactivation

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.

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