Siemens 6ES7331-7KB01-0AB0 Analysis Input Module

Product manual:

Main technical specifications:
Module type: Analog input module
Number of input channels: 8 differential inputs
Input signal type:
Voltage input: ± 10V, 0 to 10V
Current input: 4 to 20 mA, 0 to 20 mA
Resolution: 13 bits+sign bit (total 14 bit resolution)
Input impedance:
Current input: 250 ohms
Voltage input: greater than 10 M ohms
Measurement accuracy: ± 0.3% (typical value), suitable for high-precision signal processing
Sampling time: The typical sampling time for each channel is about 100 ms
Diagnostic function: supports detecting faults such as wire breakage, short circuit, and over limit
Status indication: Each input channel is equipped with LED indicator lights to display the current status
Connection method: Connect the signal through a 40 pin front connector
Power consumption: typical value of 1.5W
Size: 125 mm x 40 mm x 120 mm (height x width x depth)
Main features:
High precision acquisition: Supports 14 bit resolution and ± 0.3% accuracy, suitable for situations where high-quality signal acquisition is required.
Multiple signal types supported: capable of collecting voltage and current signals, flexibly adapting to various industrial application needs.
Modular design: seamlessly integrated with Siemens S7-300 series controllers for easy expansion and maintenance.
Signal isolation: The channel is electrically isolated from the backplane bus to avoid signal interference and ensure system stability.
Diagnostic function: It has automatic detection and reporting functions for faults such as wire breakage and short circuit, helping to improve system maintenance efficiency.
LED status indicator: Real time display of channel status for easy monitoring by operators.
Application areas:
Industrial automation: Collecting high-precision analog signals from various sensors for process control and monitoring systems.
Mechanical manufacturing: used for simulating sensor signal input in mechanical equipment to ensure efficient and precise operation of the equipment.

Product details picture:

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