Why Choose the ABB TA5101-4DI Digital Input Option Board?
The ABB TA5101-4DI is a compact digital input option board designed to expand the digital input capacity of compatible ABB AC500-eCo programmable logic controllers. It provides four 24 V DC digital inputs, identified as I0 to I3, in a single input group for connecting switches, sensors and other discrete field devices to the PLC.
Designed for the ABB AC500-eCo automation platform, the TA5101-4DI provides module-wise galvanic isolation between the input group and the rest of the module. Each of its four inputs has a dedicated yellow status LED, allowing engineers and maintenance personnel to identify input states quickly during commissioning, operation and fault finding.
The TA5101-4DI is supplied with a removable 5-pin spring terminal block and supports both sink and source input configurations. Its internal circuitry is powered through the connected CPU, so no separate external module power connection is required, making it a convenient solution for adding four additional digital signals to compatible AC500-eCo control systems.
Key Advantages
- Adds four 24 V DC digital inputs to compatible ABB AC500-eCo PLCs.
- Supports sink and source input configurations for flexible field wiring.
- Galvanic isolation between the input group and the rest of the module.
- Four yellow input status LEDs provide clear indication of I0 to I3 states.
- Supplied with a removable 5-pin spring terminal block.
- No separate external module power connection is required.
Key Features
- ABB AC500-eCo digital input option board.
- Four 24 V DC digital inputs.
- Inputs arranged as one isolated group of four channels.
- Module-wise galvanically isolated digital input group.
- Supports source or sink digital inputs.
- Individual yellow LED indication for inputs I0, I1, I2 and I3.
- Removable 5-pin spring terminal block included.
- Internal electronics powered through the connected CPU.
Digital input option boards allow PLC systems to monitor additional discrete field signals without requiring a separate external I/O module. The ABB TA5101-4DI provides four additional 24 V DC input channels that can be used for signals from devices such as push buttons, limit switches, proximity sensors and auxiliary contacts.
The four channels share a common connection and form one galvanically isolated input group. Individual status LEDs provide immediate visual feedback for each channel, while support for both sink and source input wiring gives control system designers additional flexibility when integrating field equipment into compatible AC500-eCo PLC applications.
Typical Applications
- Industrial machinery and machine control systems.
- Digital sensor and proximity switch monitoring.
- Push-button and selector switch inputs.
- Limit switch monitoring.
- Conveyors and material handling equipment.
- Packaging and production machinery.
- Building services and process automation.
- OEM control panels using ABB AC500-eCo PLCs.
