6ES7 531-7KF00-0AB0_SIEMENS_PRODUCT_吉林易择科技技术发展有限公司

The Siemens 6ES7 531-7KF00-0AB0 is a high-precision analog input module for the SIMATIC S5-115U/135U/155U PLC systems, designed for reliable signal acquisition in industrial process control applications.

Grace +86 13600179521

DESCRIBE

Key Specifications
Parameter Specification
Module Type Analog Input (AI)
Channels 8 (isolated)
Signal Types ±10V, 0-10V, ±20mA, 0-20mA, 4-20mA
Resolution 12-bit + sign
Accuracy ±0.5% (voltage), ±0.7% (current)
Conversion Time 20ms per channel
Isolation Voltage 500V AC
Power Supply 24V DC (via backplane)
Dimensions 40 × 125 × 117 mm
Weight Approx. 300g
Certifications CE, UL, cULus
Technical Features
Channel-wise configuration for mixed signal types

Galvanic isolation between channels and backplane

Overvoltage protection (up to 30V continuous)

Diagnostic LEDs for module status

Screw terminal connections

Compatibility
SIMATIC S5-115U/135U/155U PLC systems

STEP 5 programming environment

Typical Applications
Process variable monitoring (temperature, pressure)

Analog sensor interfacing

Legacy system retrofits

Industrial measurement systems

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