Sales and repairs of SIMATIC S7-300 digital inputs
S7-300 digital inputs – new and refurbished parts and repairs
SIMATIC S7-300 digital inputs read the states of switches, pushbuttons and other binary signals. We supply input modules with different channel counts and functions, depending on the type.
We will send a non-binding quote within 1 hour.
- Worldwide delivery
- Our own and partner parts stock
- Professional repairs
- Parts with warranty
More about selecting S7-300 digital inputs parts
S7-300 Digital Inputs for SIEMENS SIMATIC S7-300
Digital inputs (DI) read status signals from devices. When selecting a module, it is important to consider the number of inputs, the voltage level, and the module's design.
Typical Uses and Proper Selection
Digital inputs read signals from buttons, sensors, and limit switches. We verify the voltage level, number of channels, galvanic isolation, input delay, and diagnostics to ensure that the module is compatible with the machine's wiring.
Please send us the full order number, a photo of the label, and, if possible, information about the wiring or project. Based on this information, we will verify compatibility, the availability of new or refurbished parts, whether a repair is possible, and suitable replacements.
How do you choose the right model?
The most reliable method is to select the part based on the complete SIEMENS part number. When replacing a part, we also recommend verifying the hardware and firmware versions, the part’s function, the station configuration, and compatibility in TIA Portal.
- the complete order number and the quantity requested,
- the function and technical specifications of the original part,
- compatibility with the CPU, expansion modules, and the project in question.
New and refurbished parts from our warehouses
For current S7-300 parts, we primarily check the availability of new, genuine SIEMENS parts. We have access to an extensive network of industrial parts warehouses in Europe and around the world, so we can also verify the availability of refurbished, discontinued, and hard-to-find variants.
Repairs of SIEMENS SIMATIC S7-300 Parts
You can send the defective part to FOXON for diagnosis and repair. We perform repairs at specialized repair centers in Europe, and after repair, the parts are functionally tested under load.
Frequently Asked Questions
Please provide the complete order number or details regarding the voltage, number of inputs, and station configuration.
Delivery times depend on the specific part and warehouse. Thanks to our access to numerous warehouses, we can typically arrange delivery within a few days; for urgent needs, we can offer express delivery within a matter of hours. For urgent requests, call us immediately—we can arrange express delivery of selected parts day or night.
Yes. Ideally, provide the full number from the label and the quantity you need; a photo of the label will also be helpful for replacements or repairs.
6ES7 321-1BL00-0AA0
6ES7 321-1BH01-0AA0
6ES7 321-1BH02-0AA0
6ES7 321-1FF01-0AA0
6ES7321-1FH00-0AA0
6ES7321-1FF10-0AA0
6ES7321-1EL00-0AA0
6ES7321-1CH20-0AA0
6ES7321-1CH00-0AA0
6ES7321-1BP00-0AA0
6ES7321-1BH50-0AA0
from 26,62 EUR Incl. VAT
6ES7321-1BH10-0AA0
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Question or Inquiry
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