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MODULE

Siemens SIMATIC S7-300 SM321 Digital Input Module 16DI 24VDC – 6ES7321-7TH00-0AB0

Name: Siemens SIMATIC S7-300 SM321 Digital Input Module 16DI 24VDC – 6ES7321-7TH00-0AB0
Brand: SIEMENS
SKU: 551
Price: 56000.00 INR
Availability: InStock

Our Price

₹ 56,000.00 ₹ 70,000.00 -20%

USED

Available 6

Parameter Details
Brand:- Siemens
Series:- SIMATIC S7-300
Module Type:- SM321 Digital Input Module
Part Number:- 6ES7321-7TH00-0AB0
Number of Inputs:- 16 DI
Input Voltage:- 24V DC
Input Type:- Digital (Sink/Source compatible)
Isolation:- Group isolation
Mounting:- DIN Rail
LED Indicators:- Per channel status LED
Application:- PLC Panels, Industrial Automation, OEM Machines
Status:- Used Excellent Working (As Per Photos)
Country of Origin:- Made In GERMANY
Shipping:- Fast & Safe Worldwide Shipping Available.

Brand	SIEMENS
Category	MODULE

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16 Digital Inputs, 24V DC signal level
Designed for SIMATIC S7-300 PLC systems
Fast signal acquisition for industrial automation
High noise immunity and reliable signal detection
Isolated input groups for safe operation
LED status indication for each channel
DIN rail mounting with compact modular design
Ideal for panel builders, OEMs, and automation integrators

The Siemens 6ES7321-7TH00-0AB0 is a high-performance SM321 Digital Input Module engineered for seamless integration with the SIMATIC S7-300 PLC platform. This module provides 16 digital input channels operating at 24V DC, enabling accurate monitoring of field devices such as sensors, switches, push buttons, and limit switches in industrial automation systems.

Built with Siemens’ proven reliability, the module ensures excellent noise immunity, electrical isolation, and fast signal processing, making it suitable for demanding environments like manufacturing plants, process industries, machine automation panels, and OEM equipment.

With clear LED channel diagnostics and a rugged modular housing, this digital input module simplifies troubleshooting, installation, and maintenance for control panel manufacturers and automation engineers.