Siemens ET 200S Modules: 6ES7 132-4BD02-0AA0

Technical Dossier

Product Details And Specifications

Siemens ET 200S Series Technical Notes

The Siemens ET 200S is a modular distributed I/O system within the SIMATIC family, designed for decentralized automation in process-intensive industries. Deployed across chemical plants, oil refineries, nuclear facilities, and heavy manufacturing lines worldwide, the ET 200S operates as a field-level I/O station communicating via PROFIBUS DP or PROFINET IO. Its slot-based architecture allows engineers to configure mixed I/O assemblies — digital, analog, motor starter, and safety modules — on a single IM 151 interface module, reducing cabinet footprint and wiring complexity. The 6ES7 132-4BD02-0AA0 is a 4-channel 24 VDC digital output module rated at 0.5 A per channel, widely installed in legacy PROFIBUS-based ET 200S stations across process automation segments.

The Evolution of ET 200S Architecture

The ET 200S platform was introduced in the late 1990s as a successor to the ET 200B and ET 200U systems, addressing the need for finer I/O granularity at the field level. Early generations used PROFIBUS DP as the sole backplane communication protocol, with interface modules such as the IM 151-1 Standard and IM 151-1 FO (fiber optic). The introduction of the IM 151-3 PN series extended the platform to PROFINET IO, enabling integration with TIA Portal-based S7-300 and S7-1500 controllers without protocol conversion gateways.

The 4xx-series electronic modules (6ES7 131-4xxx for DI, 6ES7 132-4xxx for DO, 6ES7 134-4xxx for AI, 6ES7 135-4xxx for AO) represent the core I/O layer. Terminal modules (TM-E, TM-P) provide the physical backplane connection and allow hot-swap replacement of electronic modules without rewiring. As of 2020, Siemens has positioned the ET 200SP as the strategic successor to ET 200S, offering a smaller form factor and native PROFINET support. However, ET 200S installations remain active in brownfield sites where PROFIBUS infrastructure is retained, and spare part availability is a critical operational requirement for maintenance teams.

ET 200S Full Catalog & Functionalities (SKU List)

Digital Input Modules (DI)

• 6ES7 131-4BB01-0AA0: 4-channel DI, 24 VDC, standard, PROFIBUS DP compatible
• 6ES7 131-4BD01-0AA0: 4-channel DI, 24 VDC, high-speed input, 0.1 ms filter
• 6ES7 131-4BF00-0AA0: 8-channel DI, 24 VDC, standard, compact slot width
• 6ES7 131-4RD02-0AB0: 4-channel DI, 24 VDC, NAMUR sensor interface for Ex zones
• 6ES7 138-4CA01-0AA0: F-DI, 4-channel fail-safe digital input, SIL 2 / Cat. 3

Digital Output Modules (DO)

• 6ES7 132-4BB01-0AA0: 4-channel DO, 24 VDC / 0.5 A, standard transistor output
• 6ES7 132-4BD02-0AA0: 4-channel DO, 24 VDC / 0.5 A, diagnostic-capable, current sourcing
• 6ES7 132-4BF00-0AA0: 8-channel DO, 24 VDC / 0.5 A, high-density output module
• 6ES7 132-4HB01-0AB0: 2-channel DO, 24 VDC / 2 A, high-current relay-equivalent output
• 6ES7 138-4FB03-0AB0: F-DO, 4-channel fail-safe digital output, SIL 2 / Cat. 3

Analog Input Modules (AI)

• 6ES7 134-4FB01-0AB0: 2-channel AI, ±10 V / 0–20 mA, 13-bit resolution
• 6ES7 134-4GB11-0AB0: 2-channel AI, RTD/TC input, PT100/PT1000 compatible
• 6ES7 134-4JB50-0AB0: 4-channel AI, 4–20 mA HART, process field instrument interface

Analog Output Modules (AO)

• 6ES7 135-4FB01-0AB0: 2-channel AO, ±10 V / 0–20 mA, 13-bit resolution
• 6ES7 135-4GB01-0AB0: 2-channel AO, 4–20 mA, current output for control valves

Interface & Power Modules

• 6ES7 151-1AA05-0AB0: IM 151-1 Standard, PROFIBUS DP interface module, max 63 I/O modules
• 6ES7 151-3BA23-0AB0: IM 151-3 PN, PROFINET IO interface module, IRT capable
• 6ES7 138-4CA50-0AB0: PM-E 24 VDC power module, electronic module supply

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

Siemens has formally announced the phase-out of the ET 200S product line in favor of ET 200SP. Several 6ES7 13x-4xxx modules have reached end-of-sale status, with Siemens no longer accepting new orders through standard distribution channels. For plant operators running PROFIBUS-based ET 200S stations, this creates a direct risk to maintenance continuity.

Quality Control for the ET 200S Range

ET 200S electronic modules communicate with the interface module via a proprietary internal bus operating at 12 Mbit/s. Verification of module functionality requires simulation of this backplane protocol, not merely power-on continuity checks. DriveKNMS employs dedicated ET 200S test rigs comprising a live IM 151 interface module, a PROFIBUS DP master (S7-300 CPU), and STEP 7 diagnostic software to perform full functional validation of each electronic module prior to dispatch.

For digital output modules including the 6ES7 132-4BD02-0AA0, the test procedure covers: channel-level switching under rated load (0.5 A resistive), short-circuit protection response, diagnostic interrupt generation (for diagnostic-capable variants), and backplane communication integrity over a minimum 30-minute soak cycle. Analog modules undergo calibration verification against traceable reference standards. All tested units are issued a DriveKNMS inspection report documenting test date, technician ID, and pass/fail criteria per channel.