Siemens 6ES5243-1AA13 Analog Module

High-Precision Analog I/O for S5-115U Systems

The Siemens 6ES5243-1AA13 analog module provides high-precision signal conversion for S5-115U PLC systems. This module combines both analog inputs and outputs in a single unit. Process control applications benefit from this compact and versatile I/O solution.

Input and Output Specifications

This analog module features 4 analog input channels and 2 analog output channels in one compact unit. The inputs accept 0 to 10 V or 0 to 20 mA signals with 12-bit resolution. Each output delivers 0 to 10 V or 0 to 20 mA signals with 12-bit resolution. Furthermore, the module provides 1500 V AC isolation between the field signals and the backplane.

Parameter	Specification
Brand	Siemens
Model	6ES5243-1AA13
Analog Inputs	4 (differential)
Analog Outputs	2
Input Resolution	12 bits
Output Resolution	12 bits
Input Ranges	0–10 V, 0–20 mA
Output Ranges	0–10 V, 0–20 mA
Accuracy (25°C)	±0.1% of full scale
Isolation Voltage	1500 V AC
Dimensions (W x H x D)	40 mm x 125 mm x 118 mm
Weight	0.38 kg
Power Consumption	5 V DC at 250 mA
Compatible CPUs	S5-115U
Operating Temperature	0°C to 55°C

Signal Conditioning and Filtering

The Siemens 6ES5243-1AA13 provides software-selectable filtering on all input channels. Users can select filter frequencies from 10 Hz to 1 kHz via software parameters. The module also performs automatic offset and gain compensation for accurate readings. Additionally, the outputs include short-circuit protection that limits the current to 25 mA.

Configuration and Calibration

Users can configure each input and output channel independently for voltage or current operation. The module stores calibration parameters in non-volatile memory, retaining them during power loss. A built-in reference voltage source enables easy recalibration in the field. Furthermore, the module provides diagnostic information for each channel, including overrange detection.

Physical Design and Installation

This analog module features a 40 mm housing that fits standard S5-115U rack slots. The unit weighs approximately 0.38 kilograms, allowing straightforward installation. A 32-pin front connector provides access to all input and output terminals. The module uses screw-type terminals that accept wires from 0.5 mm² to 2.5 mm².

System Integration and Addressing

You can install this analog module in any standard S5-115U rack slot. The module automatically maps its 4 inputs and 2 outputs to consecutive addresses in the CPU’s I/O table. Users can read the converted values and write output values directly from the assigned addresses. Moreover, the module supports both local and remote rack configurations.

Diagnostic Features and Status Monitoring

Front-panel LEDs indicate power, channel status, and error conditions for each channel. The module detects open-circuit and out-of-range signals on input channels. A built-in self-test routine verifies the conversion circuitry during startup. Furthermore, the module stores diagnostic information about channel faults and calibration status.