E-mail:nomi@kernal-service.com Address:Hong Kong, China

QUICK QUOTE

Open Nav

Products

Products
Home Product 6ES7321-1BL00-0AA0 Siemens S7-300 SM321 DI16 Digital Input Module 24VDC PLC
SM 321 digital input modules

6ES7321-1BL00-0AA0 Siemens S7-300 SM321 DI16 Digital Input Module 24VDC PLC

Siemens S7-300 DI Module
SIMATIC SM321 Digital Input
16-Channel 24V DC Input
6ES7321-1BL00-0AA0
Siemens S7-300 DI Module: SIMATIC SM321 Digital Input with 16-Channel 24V DC Input. Compact design for industrial automation, offering reliable signal acquisition and standard front connector. Compatible with S7-300 PLC systems.
Categories:Automation
END INQUIRY

Product Description

The Siemens S7-300 DI Module, SIMATIC SM321 Digital Input (6ES7321-1BL00-0AA0), provides 16-channel 24V DC input for industrial automation systems. Designed for the S7-300 PLC platform, it integrates directly into the backplane bus, supporting up to 20.4-28.8V DC input voltage per channel with a 1.5-4 ms response time. Operating within -25°C to +60°C, it features electrical isolation, diagnostics via LED indicators, and a compact design suitable for manufacturing, process control, and energy sectors. Its rugged construction ensures reliable operation in harsh environments, though it lacks support for AC signals. Input filtering and short-circuit protection enhance system stability, while low power consumption (typically 8 mA per channel) optimizes energy efficiency. Compatible with standard 2-/3-/4-wire sensors, the module supports failsafe configurations and complies with industrial EMC standards.
Parameter Specification
Module Type Siemens S7-300 DI Module (SIMATIC SM321 Digital Input)
Input Channels 16-Channel
Voltage Category 24V DC Sink/Source Input
Nominal Voltage 24V DC ±10%
Input Delay Time 1.2ms - 4.8ms (configurable)
Electrical Isolation 500V AC (Between Channels and Backplane)
Current Consumption (Backplane) 40mA @ 5V DC
Power Dissipation 1.2W
Connection Type Screw-Type Terminal
Diagnostic Function Short-Circuit Detection
Configuration Programmable via STEP 7 Software
Mounting DIN Rail or Horizontal/Vertical Mounting
Protection Class IP20
Operating Temperature 0°C to 60°C
Storage Temperature -40°C to +70°C
Dimensions (WxHxD) 40x125x120 mm
Weight 240g
Certifications CE, UL, cULus, ATEX, IECEx
question:Why were the brand labels removed from the products?
answer:Labels are removed to comply with destination country regulations or distributor agreements, ensuring smooth customs clearance.
question:Can I request low-value declaration for my shipment?
answer:Low-value declaration is not recommended, as it may lead to customs penalties or shipment delays in some regions.
question:What shipping methods are available for international orders?
answer:We offer DHL, Fedex, UPS, and other major carriers. Specific options depend on destination and package details.
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 were the brand labels removed from the products?
answer:Labels are removed to comply with destination country regulations or distributor agreements, ensuring smooth customs clearance.
question:Can I request low-value declaration for my shipment?
answer:Low-value declaration is not recommended, as it may lead to customs penalties or shipment delays in some regions.
question:What shipping methods are available for international orders?
answer:We offer DHL, Fedex, UPS, and other major carriers. Specific options depend on destination and package details.
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.
Home About Products News Contact Us
Quick quote
Even if not present on our website, we probably have the spare parts you are looking for. Specify the quantities and we will send you our quote!
Product detail
    • + Add another part number