Brand:Siemens Item No.:6AG1322-1BH01-2AA0 Product Origin:Germany Product Dimensions:40 × 125 × 120 mm Product Weight:0.24 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Siemens 6AG1322-1BH01-2AA0 Digital Output Module is a SIPLUS S7-300 SM 322 component developed for controlling external devices in industrial automation systems. Based on the standard 6ES7322-1BH01-0AA0 module, it provides 16 optically isolated digital outputs operating at 24 V DC, with a rated output current of 0.5 A per channel.
This module connects PLC control logic with field-level equipment. It allows the automation controller to operate compatible solenoid valves, indicator devices, contactors, and other electrical loads according to programmed instructions. Electronic short-circuit protection provides an additional layer of protection for the output circuits.
A distinguishing feature of this SIPLUS version is its environmental design. Conformal coating and an operating temperature range of -25°C to +70°C support applications with more demanding environmental conditions. Its specified EN 50155 conformity also makes it relevant to suitable railway automation installations.
For system integrators and maintenance engineers, the 6AG1322-1BH01-2AA0 offers a 16-channel digital output solution for compatible Siemens S7-300 configurations. Before installation, it is important to verify the load requirements, current distribution, hardware configuration, and environmental conditions to ensure reliable operation.
Technical Specifications
Parameter
Specification
Brand
Siemens
Model
6AG1322-1BH01-2AA0
Product Type
Digital Output Module
Product Family
SIPLUS S7-300
Module Designation
SM 322
Base Model
6ES7322-1BH01-0AA0
Number of Digital Outputs
16
Output Voltage
24 V DC
Permitted Load Voltage
20.4–28.8 V DC
Rated Output Current
0.5 A per channel
Total Current per Group
4 A
Total Current per Module
8 A
Output Isolation
Optical Isolation
Short-Circuit Protection
Electronic
Front Connector
20-pole
Conformal Coating
Yes
Operating Temperature
-25°C to +70°C
Railway Standard
EN 50155, T1, Category 1, Class A/B
Dimensions
40 × 125 × 120 mm
Weight
0.24 kg / 0.53 lb
Recommended Related Models
The following Siemens digital output modules are relevant to S7-300 automation applications. Their channel counts, output voltages, and current ratings differ, so check the technical requirements before selecting a replacement.
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Applications
The Siemens 6AG1322-1BH01-2AA0 Digital Output Module is designed for industrial automation systems that require reliable switching control of external equipment. As a SIPLUS S7-300 SM 322 module, it provides 16 isolated digital outputs with a 24 V DC interface and a rated output current of 0.5 A per channel.
Typical application areas include:
Factory Automation: Controlling solenoid valves, indicator lamps, contactors, and other compatible devices.
Production Line Control: Sending switching commands to machinery and automated production equipment.
Industrial Process Control: Operating field devices according to PLC program instructions.
Control Panel Integration: Expanding digital output capacity in compatible Siemens S7-300 systems.
Advantages
16 Isolated Digital Outputs
The module provides 16 digital output channels, allowing multiple field devices to be controlled through a single I/O module. Optical isolation helps separate the output circuits from the internal automation electronics.
24 V DC Switching Interface
With a rated output current of 0.5 A per channel, the module supports a range of compatible industrial loads, including signal devices and control components.
Electronic Short-Circuit Protection
Integrated electronic short-circuit protection helps protect the output circuits against certain electrical faults and supports more reliable operation.
Grouped Load Management
The output arrangement supports a maximum total current of 4 A per group and 8 A per module. Proper load distribution is important when designing the field wiring and power supply arrangement.
Extended Environmental Capability
The SIPLUS version features conformal coating and supports an operating temperature range of -25°C to +70°C, making it suitable for specified demanding industrial environments.
Railway Application Compatibility
The product description includes EN 50155 conformity for T1, Category 1, Class A/B applications, making it relevant to appropriately designed railway automation systems.
Technical FAQs
Q1: What is the main function of the Siemens 6AG1322-1BH01-2AA0?
It is a digital output module used to transmit switching commands from a Siemens S7-300 controller to compatible external devices.
Q2: How many digital output channels are available?
The module provides 16 digital outputs, allowing the controller to operate multiple field devices through one module.
Q3: What is the rated output voltage?
The module uses a 24 V DC load supply. The permitted load voltage range is 20.4–28.8 V DC.
Q4: What is the rated output current per channel?
The rated output current is 0.5 A per channel. The total current must also remain within the specified limit of 4 A per group and 8 A per module.
Q5: Which devices can be controlled by this module?
Compatible applications include solenoid valves, indicator lamps, contactors, and other industrial control loads. Each connected device must meet the module's electrical requirements.
Q6: Does the module have short-circuit protection?
Yes. It incorporates electronic short-circuit protection. Technicians should still follow appropriate circuit protection and wiring practices.
Q7: What is the benefit of optical isolation?
Optical isolation separates the output signal circuits from the internal electronics, helping reduce the direct transfer of electrical disturbances between circuit sections.
Q8: What is the difference between the 6AG1322-1BH01-2AA0 and 6ES7322-1BH01-0AA0?
The 6AG1322-1BH01-2AA0 is the SIPLUS version based on the standard 6ES7322-1BH01-0AA0. It adds conformal coating and extended environmental suitability. The two versions should be selected according to the installation conditions.
Q9: Why might an output channel fail to activate?
Possible causes include an incorrect PLC command, missing load voltage, loose terminal connections, an overloaded output, or a short circuit. Check the controller diagnostics and the external load circuit.
Q10: What should be checked during commissioning?
Verify the hardware configuration, load supply, output wiring, current distribution, and connected device compatibility. Test the output channels individually before returning the system to normal operation.
