ABB 3BSE018172R1 PLC Module

ABB 3BSE018172R1 PLC Module

 

 

The ABB 3BSE018172R1 is not a PLC CPU or I/O module. It is the:

ABB SB822 Rechargeable Battery Unit (24V DC backup module for AC 800M system)

Product Information

• Brand: ABB
• Part Number: 3BSE018172R1
• Model: SB822
• Type: System Backup Battery Module
• System: ABB AC 800M / 800xA / DCS controller systems
• Function: Memory & system power backup unit
• Mounting: DIN rail mounted
• Connection: Includes 24V DC connector + TK821V020 cable

What it actually does

This module is used to provide backup power and memory retention support for ABB control systems.

It ensures:

• No loss of controller memory/data during power failure
• Stable system recovery after shutdown or voltage drop
• Short-term system continuity for critical control environments

In simple terms: