ABB – TA5142-RS485 – RS-485 Serial Adapter Option Board (1SAP187300B0003)

The ABB TA‑RS (part number SAPB) is a versatile non‑isolated RS‑ serial communication option board for ABB’s compact AC‑eCo PLC series. Plugging into the COMx expansion slot, it enables Modbus RTU or CAA serial communication configured via Automation Builder. Featuring a front-mount ‑pin spring‑cage terminal block, it supports reliable data exchange in industrial control systems.

Key Features:

• Model / Part No.: SAPB (TA‑RS)  

• Interface: EIA‑RS‑ (non‑isolated); .–. kbps serial rate  

• Protocols: Modbus RTU, CAA SerialCom — configurable in Automation Builder  

• Connectors: ‑pin spring‑cage terminal block (. mm pitch), front-mounted  

• Power Usage: Powered from AC‑eCo CPU; draws up to  mA @  V DC  

• Mounting: Fits into COMx slot of PMxx series CPU modules  

• Operating Range: Standard industrial temperature; lightweight (~ g)