Home > Products > SIEMENS > SIMATIC S7 Series
Product Name:SIMATIC S7-300 digital input module
Brand Name:Siemens
Model Number:6ES7321-1BH50-0AA0
Country of Origin:Germany
Warranty:12 Months
Whatsapp：+86 18159889985
Email：[email protected]
Brand Name: |
Siemens |
Model Number: |
6ES7321-1BH50-0AA0 |
Country of Origin: |
Germany |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
in stock |
Payment Terms: |
T/T |
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Sales Manager: |
Stella |
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Send an email: |
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Contact in Whatsapp: |
| Parameter | Specification |
|---|---|
| Product Model | 6ES7321-1BH50-0AA0: SIMATIC S7-300 digital input module designed for reliable 24 V DC signal acquisition in industrial automation systems. |
| Input Type | 16-channel isolated digital input module, supporting source-type signal detection for PLC control systems. |
| Input Voltage | 24 V DC rated input, with operating range from 20.4 V to 28.8 V for stable field operation. |
| Signal Behavior | IEC 61131 Type 1 compliant input characteristics, ensuring standardized industrial signal processing. |
| Response Time | Input delay range from 1.2 ms to 4.8 ms, enabling stable signal filtering and detection. |
| Electrical Isolation | Optocoupler isolation between backplane bus and inputs, tested at 500 V DC for safety. |
| Cable Support | Supports up to 1000 m shielded and 600 m unshielded wiring for flexible installation. |
| Dimensions | 40 mm width, 125 mm height, and 120 mm depth, optimized for S7-300 rack mounting systems. |
| Weight | Approximately 200 g, lightweight structure for easy installation and maintenance. |
The 6ES7321-1BH50-0AA0 is a SIMATIC S7-300 digital input module engineered for reliable signal acquisition in industrial automation systems. It provides 16 isolated 24 V DC source-type inputs, ensuring stable and accurate detection of field device signals in PLC-based control architectures.
Designed for integration within S7-300 systems, the 6ES7321-1BH50-0AA0 supports IEC 61131 Type 1 input characteristics with consistent response performance. Its optimized input delay range ensures dependable signal processing in both standard and time-sensitive automation applications.
Built with robust electrical isolation and industrial-grade protection, the 6ES7321-1BH50-0AA0 delivers high reliability in harsh environments. With compact form factor and simple 20-pin connection, it is ideal for scalable control cabinet installations and distributed I/O configurations.
Power plants: Used for generator monitoring systems, relay protection input acquisition, and status signal detection.
Substations (substations): Enable switching signal collection, bus protection input handling, and control monitoring.
Chemical plants: Support safe process automation, sensor signal acquisition, and intrinsic safety monitoring systems.
Steel mills (metallurgical plants): Operate reliably in high-temperature and EMI-heavy environments for control signal input.
Machinery manufacturing plants: Used in automated production lines, robotics systems, and machine control signal processing.
Q1: What is the main function of 6ES7321-1BH50-0AA0?
A1: It is used to acquire and process 16-channel 24 V DC digital input signals in S7-300 PLC systems.
Q2: Is the module suitable for industrial environments?
A2: Yes, it is designed with electrical isolation and rugged construction for harsh industrial conditions.
Q3: What type of input signals does it support?
A3: It supports 24 V DC source-type digital input signals.
Q4: What is the maximum cable length supported?
A4: It supports up to 1000 m for shielded cables and 600 m for unshielded cables.
Q5: Does the module require configuration software?
A5: Yes, it is configured through Siemens STEP 7 engineering software.
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