Siemens SIMATIC ET 200SP Modules: 6ES7505-0RA00-0AB0

Technical Dossier

Product Details And Specifications

Siemens SIMATIC ET 200SP Series Technical Notes

The Siemens SIMATIC 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 heavy industrial sectors including petrochemical refineries, nuclear power auxiliary systems, offshore platforms, and large-scale process automation facilities. Its compact backplane architecture, high channel density, and hot-swappable module design make it a standard reference platform in greenfield and brownfield DCS/PLC installations globally. The ET 200SP has displaced legacy ET 200S installations in most new engineering projects since 2013 and remains the primary distributed I/O platform in Siemens' current automation portfolio.

The Evolution of ET 200SP Architecture

The ET 200SP was introduced in 2012 as the successor to the ET 200S, addressing limitations in module density, wiring complexity, and communication latency. The first-generation interface modules (IM 155-6 PN ST) supported PROFINET with a single-port interface. Subsequent hardware revisions introduced dual-port PROFINET (IM 155-6 PN HF), MRP ring redundancy, and isochronous mode for motion-critical applications. Power supply modules evolved from single-rail 24 VDC input (1st gen: 6ES7505-0KA00-0AB0) to multi-range AC/DC input variants (6ES7505-0RA00-0AB0) to support wider field installation conditions. BaseUnit technology (BU type A0, B0, D0) standardized wiring termination and enabled module replacement without rewiring. From 2018 onward, firmware updates introduced PROFINET S2 system redundancy support, making ET 200SP viable for Safety Instrumented Systems (SIS) in combination with F-modules. Compatibility between generations is maintained at the BaseUnit level; however, F-modules require matching F-address assignment and safety program revalidation when substituted.

ET 200SP Full Catalog & Functionalities — SKU List

Power Supply Modules

• 6ES7505-0KA00-0AB0: Load feeder 24 VDC, 10 A, standard rail power supply for ET 200SP station.
• 6ES7505-0RA00-0AB0: Load feeder 120/230 VAC / 24 VDC, 10 A, wide-range AC input power supply module.
• 6ES7505-0RB00-0AB0: Load feeder 120/230 VAC / 24 VDC, 20 A, high-current AC input power supply module.
• 6ES7505-0KA00-0AB0: DC 24 V load feeder, 10 A, standard configuration for 24 VDC bus segments.

Interface Modules (IM)

• 6ES7155-6AU01-0BN0: IM 155-6 PN ST — PROFINET interface module, standard, single-port, supports up to 32 modules.
• 6ES7155-6AU30-0BN0: IM 155-6 PN HF — PROFINET interface module, high-feature, dual-port, MRP, isochronous mode.
• 6ES7155-6AR00-0AN0: IM 155-6 PN/2 HF — PROFINET interface module with S2 system redundancy for high-availability applications.
• 6ES7155-6BA01-0BN0: IM 155-6 DP ST — PROFIBUS DP interface module, standard, for legacy DP network integration.

Digital Input Modules (DI)

• 6ES7131-6BF01-0BA0: DI 8x 24 VDC ST — 8-channel digital input, 24 VDC, standard, BaseUnit BU15-P16+A0+2D.
• 6ES7131-6BH01-0BA0: DI 16x 24 VDC ST — 16-channel digital input, 24 VDC, high-density standard module.
• 6ES7136-6BA00-0CA0: F-DI 8x 24 VDC HF — 8-channel fail-safe digital input, SIL 3 / PLe, for safety-critical circuits.

Digital Output Modules (DO)

• 6ES7132-6BF01-0BA0: DQ 8x 24 VDC/0.5 A ST — 8-channel digital output, 0.5 A per channel, standard.
• 6ES7132-6BH01-0BA0: DQ 16x 24 VDC/0.5 A ST — 16-channel digital output, high-density, standard.
• 6ES7136-6DC00-0CA0: F-DQ 4x 24 VDC/2 A HF — 4-channel fail-safe digital output, SIL 3 / PLe, 2 A per channel.

Analog Input Modules (AI)

• 6ES7134-6GD01-0BA1: AI 4x U/I 2-wire ST — 4-channel analog input, voltage/current, 2-wire transmitter, standard.
• 6ES7134-6HB00-0BA1: AI 4x U/I/RTD/TC ST — 4-channel universal analog input, supports RTD and thermocouple.

Analog Output Modules (AO)

• 6ES7135-6GB00-0BA1: AQ 4x U/I ST — 4-channel analog output, voltage/current, standard, 13-bit resolution.

Communication / Technology Modules

• 6ES7137-6AA00-0BA0: CM PTP — Point-to-point serial communication module, RS-232/RS-422/RS-485.
• 6ES7138-6CG00-0BA0: PM-E 24 VDC — Potential group module for segmenting power supply rails within a station.