Siemens ET 200SP Digital Input Modules: 6ES7131-6BF01-0BA0

Name: Siemens ET 200SP Digital Input Modules: 6ES7131-6BF01-0BA0
Brand: Siemens

Model: 6ES7131-6BF01-0BA0

Brand Siemens

Series ET 200SP Input

Model 6ES7131-6BF01-0BA0

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Technical Dossier

Product Details And Specifications

Siemens ET 200SP Series Technical Notes

The Evolution of ET 200SP Architecture

The ET 200SP was introduced by Siemens in 2013 as a direct evolution of the ET 200S platform. The ET 200S (6ES7131-4xx / 6ES7132-4xx series) used a 30 mm module pitch and required terminal modules with fixed wiring. The ET 200SP reduced the module pitch to 15 mm and introduced BaseUnit technology, where the wiring terminal is integrated into a reusable BaseUnit (BU) that remains in place during module replacement — eliminating rewiring during maintenance.

Key architectural milestones: the initial release supported PROFINET IO with up to 64 modules per station. Subsequent firmware generations added isochronous mode support, fail-safe (F) variants for SIL 2/3 applications, and High Feature (HF) modules with extended diagnostics. The 6ES7131-6BF01-0BA0 belongs to the standard (non-fail-safe) digital input range, operating at 24 V DC with 8 channels per module. Compatibility spans SIMATIC ET 200SP IM 155-6 PN interface modules (6ES7155-6AU01-0BN0 and later). Legacy ET 200S installations migrating to ET 200SP require new BaseUnits and interface modules but can reuse existing PROFINET infrastructure.

ET 200SP Full Catalog & Functionalities — SKU List

Digital Input Modules (DI)

6ES7131-6BF01-0BA0: 8-channel DI, 24 V DC, standard, Type 1/3, 3.0 ms input filter
6ES7131-6BH01-0BA0: 16-channel DI, 24 V DC, standard, Type 1/3, 3.0 ms input filter
6ES7131-6BF00-0CA0: 8-channel DI, 24 V DC, High Feature, diagnostics per channel
6ES7131-6BH00-0CA0: 16-channel DI, 24 V DC, High Feature, diagnostics per channel
6ES7136-6BA00-0CA0: 8-channel DI, 24 V DC, Fail-Safe, SIL 2, Cat. 3/PLd
6ES7136-6DC00-0CA0: 8-channel DI, 24 V DC, Fail-Safe, SIL 3, Cat. 4/PLe

Digital Output Modules (DO)

6ES7132-6BF01-0BA0: 8-channel DO, 24 V DC, 0.5 A per channel, standard
6ES7132-6BH01-0BA0: 16-channel DO, 24 V DC, 0.5 A per channel, standard
6ES7132-6BF00-0CA0: 8-channel DO, 24 V DC, High Feature, diagnostics per channel
6ES7137-6BD00-0BA0: 8-channel DO, 24 V DC, Fail-Safe, SIL 2, relay output

Analog Input Modules (AI)

6ES7134-6GD01-0BA1: 4-channel AI, ±10 V / 0–20 mA, 16-bit resolution
6ES7134-6HB00-0CA1: 2-channel AI, High Feature, HART-capable, 16-bit
6ES7134-6JF00-0CA1: 8-channel AI, 4–20 mA, standard, 16-bit

Analog Output Modules (AO)

6ES7135-6GB00-0BA1: 2-channel AO, ±10 V / 0–20 mA, 16-bit resolution
6ES7135-6HB00-0DA1: 2-channel AO, High Feature, HART-capable, 16-bit

Interface & Communication Modules

6ES7155-6AU01-0BN0: IM 155-6 PN ST, PROFINET interface module, standard
6ES7155-6AU00-0BN0: IM 155-6 PN BA, PROFINET interface module, basic
6ES7155-6AR00-0AN0: IM 155-6 DP, PROFIBUS DP interface module

Power & Server Modules

6ES7193-6BP00-0DA0: Server module, terminates ET 200SP station bus
6ES7138-6AA01-0BA0: PM-E 24 V DC power module, feeds load voltage to output modules

Sourcing Hard-to-Find & Obsolete ET 200SP Parts

While the ET 200SP series remains in active production as of 2026, specific early-revision modules (suffix -0BA0, -0AA0) have been superseded by revised hardware versions. Plants that standardized on initial-release firmware may require exact hardware revision matches to maintain validated system configurations — particularly in pharmaceutical (FDA 21 CFR Part 11) and nuclear (IEC 61513) environments where change control procedures prohibit unvalidated hardware substitutions.

Quality Control for the ET 200SP Range

ET 200SP modules use a proprietary backplane bus operating at high-speed serial communication between the interface module and I/O modules. Quality verification for these modules requires functional testing under live backplane bus conditions, not merely static electrical checks. DriveKNMS applies the following test protocol to all ET 200SP modules:

Full PROFINET enumeration test: module is installed in a live ET 200SP station and enumerated by a SIMATIC S7-1500 controller to verify GSD/GSDML recognition and slot assignment.
Channel-level I/O verification: each digital input channel is individually stimulated at 24 V DC; each output channel is loaded and current-verified against datasheet limits.
Diagnostic register readback: module diagnostic data (channel status, supply voltage monitoring, wire-break detection on HF variants) is read via TIA Portal and verified against expected values.
Thermal cycling: modules are cycled through operating temperature range (0–60°C) to verify solder joint integrity on backplane connectors.
Firmware version logging: hardware revision and firmware version are recorded and included in the shipment documentation.

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