ABB 3BSE028602R1 DO880 Digital Output Module

Product Description

The ABB 3BSE028602R1, also cataloged as the DO880 Digital Output Module, operates as a dedicated hardware component for sourcing 24 VDC current to field actuators within the AC 800M distributed control system I/O network.

Hardware Specifications

Backplane Bus Communication and I/O Density Scaling

The module interfaces with the AC 800M controller via the Modulebus backplane, drawing 45 mA from the +5 V rail and a maximum of 50 mA from the +24 V rail. Furthermore, the 16-channel density delivers 0.5 A per channel at 24 VDC, yielding a total power dissipation of 5.6 W under full load. Consequently, proper slot allocation on the I/O unit must account for cumulative backplane current budgets to prevent thermal derating. Additionally, the firmware flash compatibility aligns with the AC 800M S800 I/O series, ensuring deterministic execution without requiring hardware reconfiguration.

Frequently Asked Questions

Q: Does the DO880 3BSE028602R1 support hot-swap insertion while the AC 800M system is operational?

A: Yes, the module supports hot-swap functionality. However, the external 24 VDC field power must remain stable during insertion to prevent transient voltage drops across adjacent channels.

Q: What is the dielectric withstand capability between the channel terminals and the backplane ground?

A: The module is tested at 500 V a.c. dielectric test voltage, providing galvanic separation between the field side and the Modulebus backplane.

Q: Can the 16 output channels be paralleled to increase the current capacity beyond 0.5 A per channel?

A: No, each channel is independently current-limited to 0.5 A. Paralleling outputs is not supported and may trigger internal overcurrent protection.

Field Installation Guidelines

Mount the module on a DIN rail within the I/O enclosure, ensuring proper seating until the mechanical latch engages. Subsequently, tighten the field cable terminals to the specified torque to maintain low contact resistance. Moreover, route signal cables separately from high-voltage power lines to minimize electromagnetic interference. Additionally, connect the external 24 VDC supply with correct polarity, and verify that the shield drain wire is grounded at a single point to the cabinet earth bus. Finally, confirm that the operating ambient temperature remains within 0 to +55 deg C to maintain specified insulation ratings.

Other Attributes

• Series: Advant DCS/800xA
• Country of Origin:  Germany/Sweden/Finland
• Lead Time: In Stock, 2 Working Days

In Stock Hot Items of ABB

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