Siemens U-55N Input Module – S5 Series
Siemens U-55N is listed for S5 Series RFQ review. Confirm quantity, condition and destination before quotation.
Model: 6ES7134-6JD00-0CA1
Product Overview
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Technical Dossier
The Siemens SIMATIC ET 200SP is a distributed I/O system designed for integration with the SIMATIC S7-1500 controller platform. It is deployed across heavy industrial sectors including petrochemical refineries, nuclear power generation facilities, offshore platforms, and large-scale chemical processing plants. Its compact backplane architecture, high channel density, and PROFINET/PROFIBUS connectivity make it one of the most widely installed distributed I/O families in global process automation. The ET 200SP has displaced legacy ET 200S installations across brownfield and greenfield projects since its introduction, and remains the reference platform for Siemens TIA Portal-based automation architectures.
The ET 200SP was introduced as the successor to the ET 200S series, offering a reduced footprint (approximately 15mm module width vs. 30mm for ET 200S), higher packing density, and native PROFINET IRT support. Early hardware revisions (circa 2012–2014) established the BaseUnit concept — a passive carrier that routes power and backplane bus signals, allowing hot-swappable I/O modules without tools. Subsequent firmware generations introduced fail-safe (F) variants compliant with IEC 61508 SIL 2/3 and ISO 13849 PLe, enabling the ET 200SP to serve both standard and safety-instrumented system (SIS) applications on a shared backplane. The introduction of the ET 200SP HA (High Availability) variant extended the platform into redundant controller topologies for continuous process industries. Compatibility between hardware generations is managed through the TIA Portal hardware catalog; cross-generation substitution requires validation of BaseUnit type (BU type A0, B0, etc.) and firmware revision alignment.
Analog Input Modules
Analog Output Modules
Digital Input Modules
Digital Output Modules
CPU / Interface Modules
Power / BaseUnit
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