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Home Product 6ES7431-7QH00-0AB0 RTD Module, Siemens S7-400, 8-Ch 16Bit AI for Temp Control
SM 431 analog input module

6ES7431-7QH00-0AB0 RTD Module, Siemens S7-400, 8-Ch 16Bit AI for Temp Control

SIMATIC S7-400 AI Module
16-Channel Analog Input
S7-400 High-Precision Module
6ES7431-7QH00-0AB0
SIMATIC S7-400 AI Module provides 16-channel analog input with high-precision performance for industrial automation, integrating S7-400 High-Precision Module technology for reliable data acquisition.
Categories:Automation
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Product Description

The SIMATIC S7-400 AI Module (6ES7431-7QH00-0AB0) is a 16-Channel Analog Input module designed for high-precision signal acquisition in industrial automation. As part of the S7-400 High-Precision Module series, it supports ±10V, ±5V, ±1V, and 0-20mA input ranges with 15-bit resolution, ensuring accurate data processing. Operating at 24V DC with a tolerance of 19.2-28.8V, it functions reliably within -20°C to +60°C. This module integrates seamlessly with up to 21 expansion units via the S7-400 backplane and communicates through multi-point MPI/PROFIBUS interfaces. Ideal for process control, manufacturing, and energy systems, its key advantages include robust noise immunity, galvanic isolation, and configurable diagnostics. However, it requires precise signal conditioning and lacks onboard signal processing. Compact dimensions (40x125x120 mm) suit space-constrained installations.
Parameter Specification
Product Model 6ES7431-7QH00-0AB0
Module Type SIMATIC S7-400 AI Module
Channels 16-Channel Analog Input
Input Type Voltage, Current, Thermocouple, Resistance
Resolution 16-bit (Voltage/Current), 24-bit (Temperature)
Measuring Range ±10V, ±5V, ±1V, 0-20mA, 4-20mA, PT100/PT1000
Accuracy ±0.01% FS (Voltage/Current), ±0.1°C (Temperature)
Conversion Rate 4000 samples/sec (aggregate)
Isolation Channel-to-Channel: 500V AC; Channel-to-Bus: 1500V DC
Operating Temperature -25°C to +60°C
Power Consumption 2.5W (Typical)
Bus Communication PROFIBUS DP via Backplane
Certification IEC 61131, UL 508, CE, cULus
question:Why is shipping so expensive? Are there cheaper options?
answer:Shipping costs depend on weight, destination, and carrier. We can provide quotes for alternative options upon request.
question:Why is there a handling fee?
answer:Handling fees cover order processing, documentation, and payment transaction costs to ensure efficient service.
question:Do you accept payment after delivery?
answer:We require payment before shipment as standard policy, but exceptions may apply for long-term clients with agreed terms.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why is shipping so expensive? Are there cheaper options?
answer:Shipping costs depend on weight, destination, and carrier. We can provide quotes for alternative options upon request.
question:Why is there a handling fee?
answer:Handling fees cover order processing, documentation, and payment transaction costs to ensure efficient service.
question:Do you accept payment after delivery?
answer:We require payment before shipment as standard policy, but exceptions may apply for long-term clients with agreed terms.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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