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Home Product 321-1BH02-0AA0 Siemens SIMATIC ET 200 Digital Input Module 24VDC PLC Interface Unit
321-1BH02-0AA0

321-1BH02-0AA0 Siemens SIMATIC ET 200 Digital Input Module 24VDC PLC Interface Unit

Siemens 321-1BH02-0AA0
321-1BH02 DI Module
ET200SP Digital Input
321-1BH02-0AA0
Siemens 321-1BH02-0AA0 ET200SP Digital Input Module delivers high-speed signal processing for industrial automation applications. Part of the 321-1BH02 DI Module series, it ensures reliable data acquisition in demanding environments.
Categories:Automation
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Product Description

The Siemens 321-1BH02-0AA0 is a 16-channel digital input (DI) module designed for the ET200SP distributed I/O system. It provides 16 isolated inputs for 24 V DC signals, supporting direct connection to sensors or switches via the ET200SP base unit. This module operates within a voltage range of 20.4–28.8 V DC and functions in temperatures from -20°C to +60°C. It integrates seamlessly with Profinet for industrial communication, ideal for automation applications in manufacturing, energy, and process control. Key advantages include high-density channel configuration, plug-and-play compatibility with ET200SP, and robust isolation for noise immunity. Limitations include lack of analog input support and dependency on specific base units. The module features a compact design without an integrated screen or battery, optimized for reliable signal acquisition in harsh environments.
Parameter Specification
Product Series ET200SP
Module Type Digital Input Module (DI 16x24VDC SRC BA)
Channels 16 digital inputs
Nominal Voltage 24 V DC (-15%/+20%)
Sensor Supply P-Switch (external per channel)
Input Delay 0.1/0.8/3 ms (configurable)
Diagnostics Wire break detection, short circuit protection
Connection Type Spring-loaded terminals
BaseUnit Compatibility BU type A0/A1
Module Width 25 mm
Permissible Ambient Temperature -20°C to +60°C
Certification UL, CE, EAC, RCM
question:Do you offer technical selection services?
answer:Yes, we provide expert technical selection support to ensure the best product solutions.
question:Why is the shipping cost so high? Are there cheaper options?
answer:We partner with reliable logistics providers and offer optimized shipping solutions to balance cost and delivery speed.
question:Why is there a handling fee?
answer:Handling fees cover essential processing and administrative costs to ensure secure transactions.
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:Do you offer technical selection services?
answer:Yes, we provide expert technical selection support to ensure the best product solutions.
question:Why is the shipping cost so high? Are there cheaper options?
answer:We partner with reliable logistics providers and offer optimized shipping solutions to balance cost and delivery speed.
question:Why is there a handling fee?
answer:Handling fees cover essential processing and administrative costs to ensure secure transactions.
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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