Siemens 6ES7321-1BH01-0AA0 SIMATIC S7-300 Digital Input Module

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Produsen: Siemens
Nomor Produk: 6ES7321-1BH01-0AA0
Negara asal:Jerman
Jenis Produk: Digital Input Module
Kode batang: 8537101190
Pembayaran: T/T, Western Union
Berat: 240g
Dimensi: 12.5 x 10.5 x 4.0 cm
Pelabuhan pengiriman: Xiamen
Garansi: 12 bulan

Description

The Siemens 6ES7321-1BH01-0AA0 is a digital input module designed for the SIMATIC S7-300 PLC system. This module provides 16 optically isolated input channels for reliable signal acquisition from field devices operating at 24V DC. It is engineered to interface with sensors, switches, and other discrete signal sources in industrial automation environments. The module's optical isolation protects the PLC backplane from electrical disturbances and ground loops originating in field wiring, enhancing overall system stability and safety. Its compact, high-density design conserves valuable control cabinet space while a single 20-pin connector simplifies wiring and installation.

Features

16 digital input channels
Rated input voltage of 24V DC
Optical isolation between field and logic circuits
Compatible with the Siemens SIMATIC S7-300 series
Single 20-pin front connector for simplified wiring

Applications

Manufacturing and assembly lines
Conveyor and material handling systems
Packaging and bottling machinery
Process control signal acquisition

Technical Specifications

Specification	Value
Manufacturer	Siemens
Model Number	6ES7321-1BH01-0AA0
Product Family	SIMATIC S7-300
Module Type	Digital Input Module
Number of Inputs	16
Input Voltage	24V DC
Isolation	Optically Isolated
Connector Type	20-pin
Lifecycle Status	Active
Country of Origin	Germany
HS Code	8537101190
Shipping Weight	0.24 kg
Package Dimensions (Calculated)	12.5 x 10.5 x 4.0 cm

Installation Guidelines

CRITICAL WARNING: Hazardous voltages may be present. Installation must be performed by qualified personnel only. Failure to de-energize equipment before installation can result in severe injury or death. Always follow local Lockout/Tagout (LOTO) procedures.

1 De-energize the S7-300 rack and verify the absence of voltage using a calibrated multimeter. Apply appropriate LOTO devices.
2 Select an available slot on the S7-300 backplane. Align the module with the backplane bus connectors and press firmly until it is securely seated.
3 Secure the module to the DIN rail by tightening the integrated mounting screw located on the front of the module. Do not overtighten.
4 Prepare and terminate field wiring onto the 20-pin front connector according to the system wiring diagrams. Ensure proper wire gauge and ferrule usage.
5 Plug the front connector into the module, ensuring it is fully seated and secured by its locking mechanism.
6 After verifying all connections are correct and secure, remove LOTO devices and re-energize the system for commissioning.

Key Features:

#Digital Input Module #SIMATIC S7-300

What PLC system is the 6ES7321-1BH01-0AA0 compatible with?

This module is designed for use with the Siemens SIMATIC S7-300 PLC system.

How many input channels does this module have?

The module features 16 digital input channels.

What is the rated input voltage for the channels?

The channels are rated for a 24V DC input voltage.

Are the inputs on this module isolated?

Yes, all 16 input channels are optically isolated from the PLC backplane to protect against electrical disturbances.

What type of connector is used for field wiring?

The module uses a single 20-pin front connector for all field wiring terminations.

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