Products Description
ABB XO08R2 1SBP260109R1001 Relay Output Extension Module
ABB XO08R2 with part number 1SBP260109R1001 is a relay output expansion module for ABB Advant Controller 31 series. It offers 8 SPDT relay channels to expand the digital output capacity of the PLC controller, used to switch field actuators and interlock equipment.

This module adopts galvanic isolation design between each channel, protecting the controller side from external surge and short-circuit signals. It is a common spare part for maintenance and renovation of old Advant OCS automation control systems.
Main Specifications
- Brand: ABB; Model: XO08R2; Part No:1SBP260109R1001; Type: Relay Output Extension Module
- Series: Advant Controller 31 / Advant OCS; Output: 8 SPDT relay changeover contacts
- Contact Rating: 5A at 24VDC; Channel isolation: galvanic isolation per channel
- Bus Interface: Advant local expansion bus, plug-in connection with base controller
- Mounting: DIN rail mounting; Compact modular expansion structure
- Operating Temperature: -20℃ ~ +60℃; Industrial cabinet environment
- Supply Status: Legacy ABB spare expansion module for old control system overhaul and replacement
Core Functions
- Expand the digital relay output channels of ABB Advant Controller 31 PLC units.
- 8 independent SPDT relay contacts, can control solenoid valves, contactors and alarm devices.
- Galvanic isolation on each channel to block external interference and prevent fault spreading to the controller.
- Communicate with main controller via local expansion bus, receive switch commands and feed back module status.
- Built-in module self-diagnosis, detect bus communication failure and module hardware abnormality.
- Plug-in modular design, easy installation and quick replacement during on-site cabinet maintenance.
Application Scenarios
- Digital output expansion unit for ABB Advant Controller 31 industrial automation systems.
- Fault module replacement and routine maintenance of existing Advant OCS control platforms.
- Water treatment, power auxiliary control, factory automation and small process control projects.
- Emergency replacement for module failure to restore relay output and equipment interlock function.
- Spare parts stocking for maintenance teams supporting ABB Advant series automation systems.
- Aftermarket spare supply for old control cabinet upgrade and industrial control system reconstruction.
FAQ
- Q: Can ABB XO08R2 1SBP260109R1001 work alone without Advant controller?
A: It is an expansion module, must connect with Advant 31 series controller, cannot operate independently. - Q: What are typical module failure symptoms?
A: Relay output no action, bus communication error, individual channel contact failure, module fault alarm. - Q: How to complete commissioning and diagnosis?
A: Install module on DIN rail, connect expansion bus, wire field loads, test relay on/off and communication status.

Tags: ABB XO08R2 1SBP260109R1001 Relay Output Extension Module
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