Siemens Analog Input Electronic Module SIMATIC ET 200S 2AI 6ES7134-4FB01-0AB0

The Siemens 6ES7134-4FB01-0AB0 is a SIMATIC ET 200S analog input electronic module designed for distributed automation systems using SIMATIC S7 PLC controllers. It provides two voltage-measurement analog inputs (2AI) and converts analog field signals into digital values for processing by the PLC.

The module is commonly used in process automation, manufacturing systems, and building automation where voltage signals from sensors or instruments need to be monitored through a distributed I/O station.

Description

The 6ES7134-4FB01-0AB0 is a standard analog input voltage module in the SIMATIC ET 200S distributed I/O family. It supports two analog voltage channels and is capable of measuring signals in several voltage ranges such as ±10 V, ±5 V, and 1–5 V.

The module converts analog voltage signals from field devices—such as transmitters, sensors, or instrumentation—into digital data that can be processed by a PLC. It integrates with an ET 200S station connected through PROFIBUS or PROFINET using an interface module like IM151.

Key characteristics include:

• Two independent analog voltage inputs

• 13-bit resolution plus sign for accurate signal conversion

• Digital filtering and smoothing options

• Diagnostic features with SF (system fault) LED

• Electrical isolation from backplane bus and supply voltage for improved reliability.

Typical applications include:

• Monitoring analog sensor signals

• Industrial process control systems

• Data acquisition in manufacturing lines

• Energy management and building automation systems.

Key Technical Specifications

Measurement Characteristics

Supported measurement ranges

• ±10 V

• ±5 V

• 1–5 V analog signals

Measurement principle

• Integrative A/D conversion with configurable integration times (50 or 60 Hz noise suppression).

Accuracy

• Basic error limit: ±0.4% of measuring range

• Operational error limit: ±0.6% over full temperature range

• Repeatability: ±0.05%.

Electrical and Diagnostic Features

• Galvanic isolation between analog inputs and the backplane bus.

• Reverse polarity protection on the supply voltage.

• Group fault (SF) LED for module diagnostics.

• Optional diagnostic features for overflow, underflow, and parameter errors.

Mechanical & System Integration

• Module width: 15 mm (compact ET200S design)

• Installed on ET 200S terminal modules such as TM-E15 series.

• Works with SIMATIC S7 PLCs via ET 200S interface modules (e.g., IM151).

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