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ABB TA5142-RS485IW isolated RS485 serial adapter option board for AC500-eCo V3 programmable logic controllers with Modbus RTU communication support.
£67.15
The ABB 1SAP187300R0202 TA5142-RS485IW is a compact and highly reliable RS485 serial adapter option board designed for ABB AC500-eCo V3 programmable logic controllers. It provides an isolated RS485 communication interface, enabling secure and dependable serial data exchange between PLCs and industrial devices such as HMIs, instrumentation, remote I/O systems and field communication networks.
As part of the ABB AC500-eCo accessory range, the TA5142-RS485IW offers a cost-effective way to expand communication functionality without requiring larger communication modules. The option board integrates directly with compatible controllers and includes a removable spring terminal connection for simple installation and maintenance.
Featuring an isolated EIA RS485 interface, support for Modbus RTU and programmable serial protocols, and a wide temperature design, the TA5142-RS485IW is ideally suited to demanding industrial automation environments where reliable serial communication is critical.
The TA5142-RS485IW enables ABB AC500-eCo V3 controllers to communicate with a wide range of industrial devices using the proven RS485 communication standard. Typical applications include Modbus RTU networks, distributed automation systems, instrumentation interfaces and machine-to-machine communication.
Its isolated communication architecture helps minimise electrical interference while improving network reliability. The integrated bus termination and configurable communication parameters simplify commissioning and system integration for automation engineers.
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| Signal Type / Function | Temperature (RTD/TC) | |
|---|---|---|
| Product Series | ABB AC500 | |
| Device Type | Cable | |
| Communication | RS485 | |
| Supported Protocols | Modbus RTU | |
| Series | AC500-eCo V3 Accessories | |
| Product ID | 1SAP187300R0202 | |
| Product type | Serial adapter option board | |
| Communication interface | EIA RS485 | |
| Communication mode | 2-wire half-duplex | |
| Isolation | 500 V DC galvanic isolation | |
| Transmission rate | 9.6 kbit/s to 115.2 kbit/s | |
| Protocol support | Modbus RTU, CAA SerialCom, programmable protocols | |
| Terminal type | 5-pin spring terminal block | |
| Compatible platform | ABB AC500-eCo V3 PLC | |
| Power supply | Internal CPU connection | |
| Additional current consumption | Max. 25 mA | |
| Weight | approx. 0.016 kg | |
| HS Code | 85389091 | |
| Country of Manufacture | Germany |
The TA5142-RS485IW provides an isolated RS485 serial communication interface for compatible ABB AC500-eCo V3 programmable logic controllers.
The module supports EIA RS485 serial communication using a 2-wire half-duplex interface.
The option board supports Modbus RTU, CAA SerialCom and other programmable serial communication protocols.
Yes, the TA5142-RS485IW provides 500 V DC galvanic isolation between the communication interface and the CPU.
The module is designed specifically for compatible ABB AC500-eCo V3 programmable logic controllers.
ABB AC500-eCo communication option boards provide dependable industrial networking capabilities, helping engineers integrate serial communication devices and automation systems with confidence and long-term reliability.
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