▸ Key Features:
• 4 digital inputs for 24V DC field signals (High Feature series)
• Parameterizable input delay for flexible signal handling
• Integrated encoder short‑circuit diagnostics and group fault LED
• Compact 15 mm width for dense installation in ET 200S racks
• Designed for SIMATIC DP / ET200S distributed I/O environments
• Supports stable and reliable operation in industrial applications
▸ Applications:
• Factory automation and production control systems
• Distributed I/O panels for large industrial machines
• Automated material handling and robotics cells
• OEM equipment requiring compact digital input modules
• PLC‑based monitoring of switches, sensors, and contacts
▸ Alternative Model Numbers:
6ES7131-4BD01-0AA0
6ES7131-4BB01-0AB0
6ES7131-4BD51-0AB0
ET200S DI 4x24VDC HF variants
HF Input Module 131‑4BD Series
▸ Common Misspellings or Phrasing:
6ES71314BD010AB0
Siemens 4BD01‑0ABO
6ES7‑131‑4BD01
SIMATIC ET‑200S DI Module
Siemens HF 4DI Input
