Industrial Automation · Fail-Safe & SIPLUS

SM 1226 Fail-Safe Digital Input

F-DI signal module for safety loops.

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SM 1226 Fail-Safe Digital Input
SiemensFail-Safe & SIPLUS

About this product

The SM 1226 F-DI is a fail-safe digital input module certified up to SIL 3 for connecting emergency stop devices, guard door switches and safety light curtains to a fail-safe S7-1200 CPU. Channels are monitored for discrepancy and short circuit so a wiring fault brings the safety function to a safe state. VeeTech supplies the module and delivers the safety wiring design, F-programme configuration and validation testing.

Key features

  • Up to SIL 3 / PL e
  • Cross-circuit detection
  • Sensor supply
  • S7-1200 rack

Specifications

Safety
SIL 3 / PL e
Channels
F-DI
Supply
24 V DC
SIPLUS variant
Available
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