Siemens 6ES7131-6BH01-0BA0 – SIMATIC ET 200SP DI 16x24V DC HF for Compact, High-Feature Digital Input

The Siemens 6ES7131-6BH01-0BA0 is a SIMATIC ET 200SP High Feature digital input module designed for dense panel layouts and precise 24 V DC signal acquisition. In many cases it’s selected when you need 16 channels per slice, fast filtering, and robust diagnostics without sacrificing footprint. From my experience, this HF variant pairs well with demanding motion or interlock applications where deterministic input handling via the ET 200SP backplane really matters.

Company’s Order Placement Process and Guarantees

• – Warranty: 365 days

• – Delivery: 1 week for in-stock items; no more than one month at the latest

• – Payment: 50% advance payment, full payment prior to delivery

– Express options: FedEx, UPS, DHL

Key Features

• 16 digital inputs, 24 V DC – Efficient channel density for compact cabinets and cost-per-point optimization.
• High Feature (HF) behavior – Typically supports fast, configurable input filtering and extended diagnostics to speed up commissioning.
• Backplane integration – Interfaces via the ET 200SP backplane; fieldbus handled by the station’s interface module (PROFINET/PROFIBUS depending on IM).
• Hot-swappable module concept – Swap electronics without rewiring; reduces downtime during maintenance.
• Space-saving 15 mm width – You might notice that panel depth and wiring paths stay tidy, even in 16- or 32-channel builds.
• Channel diagnostics – Clear status indication per channel improves troubleshooting on site.
• Standard ET 200SP BaseUnits – Works with the appropriate ET 200SP BaseUnit and push-in terminals for fast, error-resistant wiring.

Technical Specifications

Application Fields

This module fits neatly into distributed I/O architectures on machines and lines where footprint and responsiveness matter. Typical uses include:

• Packaging, assembly, and intralogistics – fast sensor feedback for gates, light curtains, and counters.
• Food & beverage and pharmaceuticals – compact panels with centralized diagnostics for changeover-heavy equipment.
• Automotive cells – deterministic input capture for interlocks and safety-related signaling layers (wired to external safety where required).
• Process skids and utilities – clean wiring and high channel density per node for valves, limit switches, and status contacts.

Advantages & Value

• High channel density – Reduces cabinet space and cost per I/O point.
• Commissioning speed – HF diagnostics and clear channel status shorten troubleshooting; in many cases, you get quicker FATs.
• Broad compatibility – Works seamlessly within the ET 200SP ecosystem and TIA Portal engineering.
• Lower downtime – Hot-swap electronics and simple push-in terminals keep maintenance times short.
• Lifecycle assurance – Siemens platform stability, readily available spares, and long-term support.

Installation & Maintenance

• Cabinet & mounting – Mount ET 200SP on a grounded DIN rail with adequate ventilation. Keep at least a small air gap around modules for heat dissipation.
• Wiring – Use the appropriate ET 200SP BaseUnit with push-in terminals; 24 V DC sensor wiring should follow IEC/EN color coding and shielding practice where needed.
• Power distribution – Provide clean 24 V DC L+ and reference M; group fusing is recommended for field circuits.
• Engineering – Configure in TIA Portal; set input filter times and diagnostics per channel to suit application timing.
• Routine maintenance – Periodically check terminal torque/fit and labeling; lightly clean dust; keep firmware and device definitions updated in the engineering station.
• Safety – De-energize before swapping modules. For safety functions, use appropriate safety-rated components and architectures.

Quality & Certifications

• Typically CE marked and cULus listed for industrial control equipment.
• RoHS compliant; manufactured under ISO 9001 quality systems.
• Manufacturer warranty usually aligned with Siemens’ standard terms; we provide a 365-day warranty on supply.

Compatible Accessories (Common Pairings)

• ET 200SP Interface Modules (e.g., IM 155-6 PN ST/HF) for PROFINET or PROFIBUS connectivity.
• ET 200SP BaseUnits (BU types for DI modules, 1-wire or 3-wire variants based on wiring concept).
• Power Modules (PM-E) for field supply segmentation where groups of sensors need separate protection.
• Labeling strips and shielding/grounding accessories for clean, maintainable panels.