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Home Product 6ES5188-3UH31 Profibus Communication Module - Siemens SIMATIC S5, Factory Automation
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6ES5188-3UH31 Profibus Communication Module - Siemens SIMATIC S5, Factory Automation

6ES5188-3UH31 module
Siemens ET200 digital input
SIMATIC DI 32x24V DC
6ES5188-3UH31
6ES5188-3UH31 module, Siemens ET200 digital input, SIMATIC DI 32x24V DC, 32-channel high-density 24V DC input module with compact design for industrial control systems.
Categories:Automation
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Product Description

The Siemens 6ES5188-3UH31 module is a SIMATIC DI 32x24V DC digital input module designed for the ET200 distributed I/O system. It features 32-channel 24V DC inputs, enabling direct integration of up to 32 sensors or switches. The module supports PROFIBUS DP communication via a backplane bus connection, ensuring seamless integration into industrial automation networks. Operating within a voltage range of 20.4–28.8V DC and a temperature range of -20°C to +60°C, it is suitable for harsh environments in manufacturing, process control, and logistics. Key advantages include high-density configuration, diagnostics via LED indicators, and robust galvanic isolation. Its primary limitations involve compatibility only with ET200 systems and no intrinsic support for analog signals. The compact design minimizes space requirements in control cabinets.
Parameter Specification
Product Type6ES5188-3UH31 module
FunctionSiemens ET200 digital input (SIMATIC DI 32x24V DC)
Input Channels32
Input Voltage24 V DC
Nominal Current per Channel4 mA (typ.)
Backplane Bus Current100 mA (max)
IsolationOptical isolation between channels and backplane
Response Time0.1 ms to 20 ms (configurable)
Connection MethodScrew terminal or spring-loaded clamp
CompatibilitySIMATIC ET200SP distributed I/O system
Operating Temperature-20°C to +60°C
Dimensions80 mm x 45 mm x 75 mm (WxHxD)
WeightApprox. 500 g
CertificationsCE, UL, ATEX (optional)
question:Why should we purchase from your company?
answer:As Asia's leading industrial automation trade company with 20 years' experience, we ensure quality reliability and maintain 85% repeat clientele through proven credibility.
question:Do you have professional product selection engineers?
answer:Our expert engineering team rigorously evaluates products through technical analysis and supplier audits to deliver optimal industrial automation solutions.
question:What shipping methods do you offer?
answer:We support DHL/FedEx/UPS express delivery, plus customized sea/air freight options to meet diverse logistics requirements across global markets.
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 should we purchase from your company?
answer:As Asia's leading industrial automation trade company with 20 years' experience, we ensure quality reliability and maintain 85% repeat clientele through proven credibility.
question:Do you have professional product selection engineers?
answer:Our expert engineering team rigorously evaluates products through technical analysis and supplier audits to deliver optimal industrial automation solutions.
question:What shipping methods do you offer?
answer:We support DHL/FedEx/UPS express delivery, plus customized sea/air freight options to meet diverse logistics requirements across global markets.
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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