Configured for volatile memory protection in S4C+ robotic control architectures, the ABB DSQC508 3HAC5393-2 (DSQC508 3HAC5393-2 Battery Unit) provides direct electrical backup to maintain program integrity and coordinate data during loss of primary power. This hardware component interfaces with the controller's internal power bus to ensure persistent data retention for system parameters and position registers.

Model Identification

The DSQC508 3HAC5393-2 part number indicates the specific battery carrier assembly utilized within the S4C+ control cabinet. This unit is designed to hold the 3HAC5105-1 battery cells (revision 10 or higher), providing the necessary voltage levels for memory bias current maintenance.

Hardware Specifications

ABB Industrial Control & Drive Communication

The DSQC508 integration supports the broader S4C+ backplane bus requirements for low-power volatile data storage. While the unit functions as a passive electrochemical source, it must maintain compatibility with the controller's monitoring thresholds to prevent false low-battery interrupts. The integration allows for effective I/O density scaling regarding memory-mapped data points, ensuring that critical configuration registers remain within active firmware flash compatibility limits during total power loss.

## Ordering info

• DSQC508 3HAC5393-2 battery unit assembly.

• Compatible with ABB 3HAC5105-1 battery cells (required, verify revision 10 or higher).

• Anti-static protective packaging included.

Field Installation Guidelines

Installation

• Ensure the robot controller is in a safe, powered-down state before replacing the battery unit to avoid accidental data corruption.

• Slide the battery unit into the designated controller slot until the mechanical retention clips engage.

Connection

• Connect the battery cable to the system board header, verifying that the connector is fully seated to prevent intermittent contact.

• Update the system date and verify the battery status indicator in the controller's service diagnostics menu upon re-energizing.

Frequently Asked Questions

• Q: Is the DSQC508 capable of hot-swapping?

  A: No, battery unit replacement should be performed while the controller is powered down to ensure consistent initialization of the memory backup circuit.

• Q: How does the controller monitor the health of the battery?

  A: The controller measures the terminal voltage of the battery pack; if it falls below the minimum bias threshold, a system alarm is generated.

• Q: What is the impact of using an incorrect battery revision?

  A: Using a battery below revision 10 may result in improper voltage regulation, potentially leading to memory corruption or reduced service life.

• Q: Is firmware synchronization required after battery replacement?

  A: No, as this is a passive backup source, the controller firmware does not require synchronization; however, clearing status alarms is recommended.

• Q: Does the battery unit protect program data during cold starts?

  A: Yes, it ensures that non-volatile memory parameters remain intact during system resets or external power-off cycles.

• Q: How is the battery unit shielded from electrical noise?

  A: The unit chassis provides physical shielding, and the cabling must be routed through protected channels to minimize electromagnetic interference.

• Q: What is the typical shelf life of these battery units?

  A: Shelf life varies based on environmental storage conditions; units should be installed within the manufacturer's specified period to guarantee capacity.

• Q: Can I use this unit for S4 or S4C controllers?

  A: This unit is specifically engineered for S4C+ controllers; verify system compatibility with technical manuals before installation.