Description
Product Core Brief
- Model: SC560
- Brand: ABB
- Series: AC500 PLC / S500 I/O system
- Core Function: Communication interface module that connects the AC500 CPU to S500 remote I/O stations via fieldbus networks.
- Product Type: PLC communication interface module
- Key Specs: Fieldbus connectivity | S500 remote I/O support | DIN-rail mount | AC500 I/O bus integration
- Condition: New Original (New Surplus) / Factory Sealed
Product Introduction
When a remote I/O station loses its communication link, the entire distributed I/O network can go blind. The ABB SC560 is a communication interface module designed for the ABB AC500 PLC platform, enabling connection to S500 remote I/O stations over fieldbus networks such as PROFIBUS DP or Ethernet-based protocols.
This module matters because distributed I/O availability depends on a reliable communication interface between the CPU and remote stations. Using the correct OEM interface module reduces the risk of protocol mismatch, bus addressing errors, or firmware incompatibility. Before ordering, confirm the exact fieldbus protocol, firmware version, and target CPU platform, since AC500 communication interface variants can differ by protocol support and hardware revision.
Key Technical Specifications
- Part Designation:
- Brand: ABB
- Application: ABB AC500 PLC / S500 remote I/O systems
- Module Type: Communication interface module
- Primary Use: Fieldbus communication between AC500 CPU and S500 remote I/O stations
- Supported Protocols: Protocol-dependent; confirm against the nameplate (e.g., PROFIBUS DP, Ethernet-based)
- Mounting: DIN-rail mount within AC500 station
- Integration: Connects via AC500 I/O bus to the processor module
- Operating Environment: Industrial control cabinet, typical 0…+55 °C conditions
- Condition: New Original (New Surplus) / Factory Sealed
- Note: Exact protocol support, baud rate, node addressing, and firmware requirements should be verified against the nameplate and ABB documentation, since SC560 variants may differ by hardware revision and application.
Key Selling Points & Differentiators
- AC500-specified interface: Matches ABB AC500 communication requirements without third-party substitution risk.
- S500 remote I/O support: Enables reliable connection to distributed S500 I/O stations.
- Fieldbus-ready: Integrates into existing plant networks where supported by the specific SC560 variant.
- Simple replacement: Installs directly into the AC500 station; no rewiring of field devices required.
- Inventory-ready spare: Supports planned maintenance, commissioning, and emergency communication restoration.
- Not recommended for AC 800F/AC 800M DCS systems, ACS800/ACS880 drives, non-ABB PLCs, or applications without confirmed protocol compatibility.
Quality Transparency SOP
- Visual inspection: Check module housing, connectors, labeling, and DIN-rail clip for damage or corrosion.
- ESD-safe handling: Packed in anti-static protection to prevent damage to internal electronics.
- Connector verification: Inspect fieldbus port, I/O bus connector, and status LEDs for physical damage.
- Nameplate cross-check: Confirm SC560 designation, protocol type, and hardware revision before shipment.
- Functional validation: When a compatible AC500 station is available, verify bus communication, LED status, and remote I/O recognition. Full validation depends on the host CPU and network configuration.
Technical Risk Avoidance
❗ Confirm the exact protocol variant. SC560 communication interface modules may differ by supported fieldbus protocol. Do not assume interchangeability between PROFIBUS, Ethernet, or other variants without nameplate verification.
❗ Verify CPU and firmware compatibility. AC500 communication module support varies by processor type and firmware generation. Confirm against the target CPU documentation before ordering.
❗ Check bus addressing and configuration. Incorrect node address or baud rate settings can prevent communication with remote I/O stations.
❗ Do not hot-swap unless supported. Removing or inserting the module under power may disrupt bus communication or damage the interface. Follow ABB hot-swap guidelines where applicable.
Buyer’s FAQ
Is this an original ABB part?
Yes. The listing is for ABB SC560 as a new original/new surplus, factory-sealed unit. We do not relabel third-party substitutes.
Which systems does SC560 fit?
It is used with ABB AC500 PLC systems as a communication interface module for S500 remote I/O stations. Confirm your CPU type, fieldbus protocol, and firmware version before ordering.
What protocol does this module support?
The exact protocol depends on the SC560 variant. Verify the nameplate and ordering documentation to confirm whether it supports PROFIBUS DP, Ethernet, or another fieldbus protocol.
What condition is the unit?
New Original (New Surplus) / Factory Sealed, unless otherwise stated in the product listing. Photos and batch details can be confirmed before dispatch.
Do you offer a warranty?
Yes. A standard warranty applies from receipt. Exact terms depend on stock batch and installation conditions. Installation should be performed by qualified PLC or control-system personnel.



