First TwinCAT PLC Project on a Beckhoff IPC
Build and verify a first TwinCAT PLC project on a Beckhoff IPC. This checklist covers target selection, EtherCAT discovery, I/O mapping, safe activation, restart tests, and commissioning records.
Manufacturer: BECKHOFF
Product No.: IP2301-B810
Country of origin:Germany
Product Type: Fieldbus Modules
Payment: T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months
Decentralized machine-level signal routing is simplified using the Beckhoff IP2301-B810 Fieldbus Box, which establishes robust connection points directly on field machinery. This low-profile I/O module combines four digital inputs and four digital outputs with an integrated RS232 serial interface, bypassing the need for protective control cabinets. Operating on a 24 V DC power supply, it processes signals with a standard input filter time of 3 ms. Each digital output supports up to 0.5 A, providing robust switching capabilities for solenoids, actuators, and indicators. Connections are completed using compact M8 screw connectors, preserving the module's environmental integrity in demanding production halls.
| Specification Parameter | Technical Value |
|---|---|
| Manufacturer | Beckhoff |
| Model Number | IP2301-B810 |
| Product Type | Fieldbus Box |
| Digital Inputs | 4 channels (24 V DC) |
| Input Filter Time | 3 ms |
| Digital Outputs | 4 channels (24 V DC) |
| Max. Output Current | 0.5 A per channel (short-circuit proof) |
| Interface Type | RS232 |
| I/O Connection Method | M8 screw connectors |
| Operating Voltage | 24 V DC (-15% / +20%) |
| Protection Class | IP67 |
| Shipping Weight (Calculated) | 2.0 kg |
The IP2301-B810 relies on serial communication. When replacing older Beckhoff IP-series boxes, verify that the baud rate and transmission protocol settings configured within the TwinCAT System Manager match the hardware dip-switch settings of the replacement unit. Standardize process image sizes to prevent diagnostic mapping conflicts during field swaps.
Because this module is rated IP67, it is designed for wet or dusty environments. However, avoid routing the RS232 cable alongside high-voltage AC motor lines or variable frequency drive output cables. The RS232 protocol is single-ended and highly susceptible to electromagnetic interference, which can corrupt serial data frames.
Always utilize a torque wrench set to the manufacturer's specification when securing the M8 connections. Over-tightening can crack the internal connector molding, while under-tightening compromises the IP67 moisture seal. For optimal noise rejection, ground the module via the metal mounting surface using a dedicated grounding strap.
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Returns & Warranty

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Returns & Warranty
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| Country of origin |
Germany
|