Phoenix Contact 2753601 IBS RT 24 DIO 16/16-T Digital I/O Module
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Product Information
The Phoenix Contact IBS RT 24 DIO 16/16-T, part number 2753601, is a mixed digital I/O module for INTERBUS industrial automation systems. It combines 16 digital inputs and 16 digital outputs in one module, allowing a distributed fieldbus station to collect 24 V DC sensor and switch signals while controlling compatible 24 V DC actuators, relays, valves, or indicator devices. The input and output sections are designed for 24 V DC field signals used in machine and process control.
The module communicates through the INTERBUS fieldbus and is intended for INTERBUS-RT architectures. Its 1-conductor input connections and 2-conductor output connections support organized field wiring for distributed machine I/O. When installing a Phoenix Contact 2753601 replacement, the INTERBUS master controller, station configuration, fieldbus addressing, and connected wiring must match the intended system. Commissioning therefore includes checking the station setup and transferring the applicable configuration to the replacement system.
For troubleshooting, first check the 24 V DC supply and the wiring to the 16 inputs and 16 outputs. Confirm that the connected field devices match the module's 24 V DC input and output requirements, and ensure that each output load remains within the maximum 500 mA per channel. Also verify the INTERBUS connection, master-controller setup, station configuration, and addressing when the module does not exchange I/O data correctly. The module is relevant as a spare or repair replacement for distributed I/O stations in machinery, packaging, conveyor, material-handling, and process-control equipment.
Technical Specifications
| Manufacturer | Phoenix Contact |
| Part number | 2753601 |
| Model/type | IBS RT 24 DIO 16/16-T |
| Component type | Mixed digital I/O module |
| Product family | INTERBUS |
| Digital inputs | 16 channels |
| Digital outputs | 16 channels |
| Input voltage | 24 V DC |
| Output voltage | 24 V DC |
| Output current per channel | 500 mA |
| Input connection | 1-conductor |
| Output connection | 2-conductor |
| Fieldbus protocol | INTERBUS |
| Network architecture | INTERBUS-RT |
Communication and System Integration
The IBS RT 24 DIO 16/16-T integrates into INTERBUS fieldbus systems and is intended for INTERBUS-RT architectures. It provides 16 digital input channels and 16 digital output channels at one distributed fieldbus station, supporting both signal collection and actuator control.
For system integration, the INTERBUS master controller must use a matching station configuration and fieldbus addressing. During replacement commissioning, check the INTERBUS connection, station setup, and address assignment before testing the exchange of input and output data.
Replacement and Spare Part Considerations
Verify the exact Phoenix Contact part number 2753601 and model/type IBS RT 24 DIO 16/16-T when selecting a spare. The replacement must match the intended INTERBUS or INTERBUS-RT architecture, including the master-controller station configuration and fieldbus addressing. Also check that the existing field wiring corresponds to the 1-conductor input and 2-conductor output connections.
Before returning the machine to operation, confirm the 24 V DC input and output circuits and check the connected loads against the maximum 500 mA output current per channel. A spare module requires commissioning within the existing INTERBUS station configuration rather than simple physical installation alone.
Frequently Asked Questions
What is the Phoenix Contact 2753601 IBS RT 24 DIO 16/16-T?
It is a mixed digital I/O module for INTERBUS systems, with 16 digital inputs and 16 digital outputs for 24 V DC field signals.
Which fieldbus does the 2753601 use?
The module uses the INTERBUS fieldbus and is intended for INTERBUS-RT architectures.
What must be checked when replacing a 2753601 module?
Check the exact part number and model/type, the INTERBUS master-controller station configuration, fieldbus addressing, the 24 V DC circuits, and the input and output wiring.
What output load can each channel handle?
Each digital output channel supports up to 500 mA.
How are the inputs and outputs connected?
The digital inputs use 1-conductor connections, while the digital outputs use 2-conductor connections.
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