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SIEMENS 6ES7531-7KF00-0AB0 SIMATIC S7-1500 Analog Input Module

Item NO.:
6ES7531-7KF00-0AB0
Market Price:
$500
Product Origin:
Germany
Color:
NEW
Product weight:
0.01KG
Lead Time:
In stock

The SIEMENS 6ES7531-7KF00-0AB0 is a SIMATIC S7-1500 SM 531 analog input module (AI 8xU/I/RTD/TC ST). It provides 8 analog input channels, 16-bit resolution, 0.3% accuracy, and supports voltage, current, resistance/RTD and thermocouple measurement. Siemens lists the product as active.

Key Technical Specifications

Specification	Details
Manufacturer	SIEMENS
Model	6ES7531-7KF00-0AB0
Series	SIMATIC S7-1500 / SM 531
Product Type	Analog Input Module
Module Type	AI 8xU/I/RTD/TC ST
Analog Inputs	8
Resolution	16 bit
Accuracy	±0.3%
Voltage Input	1–5 V, ±1 V, ±10 V, ±2.5 V, ±5 V, ±250 mV, ±50 mV, ±500 mV, ±80 mV
Current Input	0–20 mA, 4–20 mA, ±20 mA
RTD / Resistance	Supported on 4 channels
Thermocouple	Supported on 8 channels
Supply Voltage	24 V DC
Permitted Supply	19.2–28.8 V DC
Common-Mode Voltage	Max. 10 V
Diagnostics	Yes
Hardware Interrupts	Yes
Encoder Supply	24 V DC
Max. Encoder Output Current	20 mA
Typical Power Loss	2.7 W
Net Weight	Approx. 0.413 kg
Front Connector	Ordered separately
Product Status	Active

The module supports a wide range of voltage/current signals as well as RTD and thermocouple sensors. Siemens specifies 8 channels grouped in one group of 8, with 4 channels available for RTD measurement.

Advantages & Features

8-channel high-density analog input module
16-bit measurement resolution
0.3% accuracy
Supports voltage, current, RTD and thermocouple signals
Integrated diagnostics
Hardware interrupt functionality
24 V DC sensor/encoder supply
Reparameterization and calibration possible during RUN
Designed for SIMATIC S7-1500 / ET 200MP systems

Typical Applications

PLC analog signal acquisition
Temperature measurement
Pressure and flow monitoring
Process automation
Factory automation
Machine control
Industrial sensor monitoring
S7-1500 distributed I/O systems

Installation & Usage Notes

Use a regulated 24 V DC supply within the 19.2–28.8 V DC range.
Select the correct input type according to the connected sensor.
Use shielded cables for analog signals to minimize electrical interference.
The front connector is not included and must be ordered separately.
Observe the specified common-mode voltage limit of 10 V.
Configure the module using STEP 7 / TIA Portal and select the correct sensor characteristics before commissioning.