Siemens ET 200SP Modules: 6ES7135-6FB00-0BA1

Technical Dossier

Product Details And Specifications

Siemens ET 200SP Series Technical Notes

The Siemens ET 200SP is a modular distributed I/O system designed for integration with SIMATIC S7-1500 and S7-1200 controllers via PROFINET or PROFIBUS. It is deployed across global heavy industry sectors including petrochemical refineries, nuclear power auxiliary systems, offshore platforms, and continuous-process chemical plants. Its compact backplane architecture — with modules as narrow as 15 mm — allows high-density I/O configurations in space-constrained control cabinets. The ET 200SP has become a standard reference platform for new DCS and PLC installations in Europe, Asia-Pacific, and the Middle East, with an installed base spanning hundreds of thousands of nodes.

The specific module covered on this page, the 6ES7135-6FB00-0BA1, is a digital output module within the ET 200SP family, rated for 4-channel high-feature digital output at 24 V DC / 2 A per channel. It is used in safety-adjacent applications requiring per-channel diagnostics and short-circuit protection.

The Evolution of ET 200SP Architecture

The ET 200SP was introduced by Siemens in 2013 as the successor to the ET 200S platform, addressing limitations in module density, wiring complexity, and PROFINET integration. The original ET 200S (6ES7131/132/138 series) required separate terminal modules and had a larger physical footprint. The ET 200SP consolidated the terminal block into a BaseUnit concept, where each I/O module snaps onto a pre-wired BaseUnit (BU type A0, B0, etc.), eliminating the need to re-wire during module replacement.

Key architectural milestones: the initial release (2013) supported PROFINET IO with up to 64 modules per station; the 2016 revision introduced fail-safe (F) modules for SIL 2/3 applications under IEC 61508; the 2018–2020 period saw the addition of technology modules (TM) for counting, positioning, and IO-Link master functions; post-2021 variants added OPC UA server capability directly at the interface module level. Backward compatibility is maintained at the BaseUnit level — a replacement module of the same type installs without rewiring, but firmware compatibility between interface modules (IM 155-6) and I/O modules must be verified via the SIMATIC compatibility tool.

ET 200SP Full Catalog & Functionalities (SKU List)

Digital Input Modules (DI)

• 6ES7131-6BF01-0BA0: 8-channel DI, 24 V DC, standard, BaseUnit BU15-P16+A0+2D
• 6ES7131-6BH01-0BA0: 16-channel DI, 24 V DC, standard, high-density configuration
• 6ES7131-6BF00-0CA0: 8-channel DI, 24 V DC, high feature, per-channel diagnostics
• 6ES7136-6DC00-0CA0: Fail-safe DI, 8-channel, SIL 2/3, IEC 61508 certified

Digital Output Modules (DQ / DO)

• 6ES7135-6FB00-0BA1: 4-channel DQ, 24 V DC / 2 A, high feature, short-circuit protection, per-channel diagnostics — the primary SKU on this page
• 6ES7132-6BF01-0BA0: 8-channel DQ, 24 V DC / 0.5 A, standard
• 6ES7132-6BH01-0BA0: 16-channel DQ, 24 V DC / 0.5 A, high-density
• 6ES7132-6BF00-0CA0: 8-channel DQ, 24 V DC / 0.5 A, high feature, diagnostics
• 6ES7137-6BD00-0BA0: Fail-safe DQ, 4-channel, SIL 2/3, 24 V DC / 2 A

Analog Input Modules (AI)

• 6ES7134-6GD01-0BA1: 4-channel AI, ±10 V / 0–20 mA, 16-bit resolution
• 6ES7134-6HB00-0DA1: 2-channel AI, RTD/TC, temperature measurement, Pt100/Pt1000
• 6ES7134-6JD00-0CA1: 4-channel AI, high speed, 1 ms conversion time
• 6ES7134-6FF00-0AA1: 8-channel AI, 13-bit, standard, 0–20 mA / 4–20 mA

Analog Output Modules (AQ)

• 6ES7135-6GB00-0BA1: 2-channel AQ, ±10 V / 0–20 mA, 16-bit resolution
• 6ES7135-6HD00-0BA1: 4-channel AQ, 0–20 mA / 4–20 mA, high feature

Interface Modules (IM)

• 6ES7155-6AU01-0BN0: IM 155-6 PN ST, PROFINET interface module, standard, up to 64 I/O modules
• 6ES7155-6AU30-0BN0: IM 155-6 PN HF, high feature, PROFINET MRP, isochronous mode
• 6ES7155-6AR00-0AN0: IM 155-6 DP, PROFIBUS DP interface module

Technology & Communication Modules (TM / CM)

• 6ES7138-6CG00-0BA0: IO-Link Master module, 4-port, Class A/B
• 6ES7138-6DB00-0BB0: TM Count 1x24V, single-channel counter, 200 kHz

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

While the ET 200SP platform remains in active production as of 2026, specific early-revision modules — including the 6ES7135-6FB00-0BA1 (revision BA1) — have been superseded by updated hardware revisions in some sub-series. Plants operating on original 2013–2016 firmware baselines may require exact hardware revision matches to avoid compatibility conflicts with existing IM 155-6 firmware versions.

Quality Control for the ET 200SP Range

ET 200SP modules present specific test challenges due to their integrated BaseUnit interface, backplane bus communication protocol (PROFINET/PROFIBUS at the module level), and per-channel diagnostic registers. DriveKNMS applies the following test protocol to all ET 200SP units prior to dispatch:

• Backplane bus continuity test: Each module is seated on a reference BaseUnit and scanned for correct P-bus and U-bus signal integrity.
• Firmware version verification: Module firmware is read via STEP 7 / TIA Portal and logged against the hardware revision to confirm compatibility matrix compliance.
• Channel-level functional test: For DQ modules including the 6ES7135-6FB00-0BA1, each output channel is individually activated under rated load (24 V DC / 2 A) and monitored for correct switching, short-circuit response, and diagnostic bit assertion.
• Analog accuracy calibration: AI/AQ modules are tested against a calibrated reference source across the full input/output range (0–20 mA, ±10 V) with error logged against the 16-bit resolution specification.
• Visual and mechanical inspection: Connector pins, locking levers, and labeling strips are inspected for wear, corrosion, or damage consistent with field use.