Description
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | ABB |
| Model | XO08R2 |
| Order Number | 1SBP260109R1001 |
| Product Type | Relay Output Extension Module |
| Automation Platform | ABB Advant Controller 31 (AC31) |
| Related Systems | ABB Advant OCS / Procontic / Procontic CS31 |
| Output Channels | 8 relay outputs |
| Output Configuration | 4 normally open outputs + 4 configurable NO/NC relay outputs |
| Output Voltage | Up to 250 VAC |
| Output Current | 2 A / 3 A depending on output configuration |
| Mounting Type | DIN rail |
| Connection Type | Screw terminal connection |
| Operating Temperature | 0°C to +60°C typical |
| Storage Temperature | -40°C to +85°C |
| Dimensions | Approx. 152 × 83 × 95 mm |
| Weight | Approx. 0.3 kg |
Product Introduction
ABB XO08R2 1SBP260109R1001 Overview
The ABB XO08R2 1SBP260109R1001 is a relay output extension module designed for ABB Advant Controller 31 (AC31) PLC systems. It provides additional digital output channels for controlling external devices such as contactors, solenoid valves, indicator lamps, and other discrete field equipment.
The ABB XO08R2 1SBP260109R1001 is mainly used in legacy automation systems where maintaining the installed AC31 architecture is required. Its relay-based outputs provide electrical isolation between the PLC control logic and field devices, but engineers should verify output contact ratings, wiring configuration, and controller compatibility before replacement.

XO08R2 1SBP260109R1001
Application Scenarios & Field Pitfalls (The Engineer’s Perspective)
Engineering Pain Point
A typical maintenance issue in older machine control panels is running out of available digital outputs after equipment modifications. Engineers often add valves, alarms, motors, or auxiliary devices years after the original installation. Instead of replacing the entire PLC rack, an output expansion module such as the ABB XO08R2 1SBP260109R1001 can restore the required I/O capacity while keeping the existing control program architecture.
Typical Applications
- Machine Automation – Relay control for cylinders, solenoid valves, stack lights, and auxiliary mechanisms.
- Packaging Systems – Discrete control of conveyors, feeders, pneumatic devices, and machine interlocks.
- Water Treatment Plants – Pump start/stop commands, valve control, and alarm outputs.
- Process Equipment – On/off control of heaters, contactors, and auxiliary process devices.
Technical Pitfalls to Avoid
- Relay Contact Rating Verification
Do not judge compatibility only by voltage level. Check the actual load type. Inductive loads such as contactors and solenoid valves can require additional protection.
- AC31 Configuration Check
Confirm the PLC CPU model, expansion arrangement, and software configuration before installation. An electrically compatible module may still require controller-side configuration changes.
- Output Life Considerations
Relay outputs are mechanical switching devices. Frequent high-current switching can reduce contact life. For high-cycle applications, consider whether a transistor output solution is more suitable.
Field note: Before removing the old XO08R2 module, record the terminal assignments and output addresses from the PLC program. Most commissioning delays come from documentation gaps, not hardware installation.
Related Products
- ABB XO16N1 1SBP260101R1001
Digital output expansion module with a higher channel count. Used when additional output points are required beyond the capacity. - ABB XI16E1 1SBP260102R1001
Digital input expansion module for AC31 systems. Typically paired with output modules to complete machine I/O expansion. - ABB XI08E1 1SBP260106R1001
Compact digital input module for discrete sensor acquisition applications. - ABB XM06B5 1SBP260110R1001
Mixed signal expansion module within the AC31 family. Used where combined I/O requirements exist. - ABB 07 Series CPU Modules
Main controller units for Advant Controller 31 systems. The operates as an I/O expansion component within this PLC family. - ABB Procontic CS31 Modules
Related PLC hardware family using similar decentralized I/O concepts. Compatibility depends on exact CPU and bus configuration. - ABB Advant Controller 31 System
The automation platform where provides additional relay output capacity for field control applications. - ABB CI522 CS31 Bus Interface Module
Communication interface hardware used in ABB automation systems where decentralized I/O integration is required.
