Configured for communication interfacing in ABB Advant Master systems, the ABB DSTC190 57520001-ER (DSTC190 Communications Connection Unit) provides the physical interface between the MasterBus 300 network and compatible IEEE 802.3 transceiver equipment. ABB identifies the unit as a connection unit for IEEE 802.3, while system documentation specifies DSTC190 as the adapter used to transform Ethernet-port signals to the MasterBus 300 physical layer.

Technical Identifier Matrix

ABB documentation identifies DSTC190 as the communications connection unit used with MasterBus 300. Siemens documentation for its ABB MasterBus 300 gateway further specifies that DSTC190 converts the Ethernet-port signal interface to the MasterBus 300 physical layer.

Hardware Specifications

The 255 mm x 90 mm x 25 mm physical dimensions and 0.135 kg net weight are reported for the DSTC190 hardware itself. The smaller 2.5 cm x 12.7 cm x 7.6 cm values supplied for this listing are treated as shipping dimensions rather than physical product dimensions.

ABB Advant Master Communication Interface

DSTC190 is a physical connection unit rather than a general-purpose Ethernet switch or standalone controller. In an ABB MasterBus 300 installation, it provides the interface between compatible communication hardware and the MasterBus physical network.

System documentation describes the DSTC190 as the fitting adapter required when connecting an Ethernet-based gateway to MasterBus 300. The gateway can support one or two MasterBus 300 networks, with the DSTC190 providing the corresponding physical-layer conversion interface.

For ABB GCOM configurations, documented hardware combinations include a GCOM communication interface, DSTC190 connection unit, and DSTK126 cable. Supported system examples include Advant Controller 400 Series and MasterPiece 200/1 controllers.

Package Contents & Ordering Information

• 1x ABB DSTC190 Communications Connection Unit
• ABB Product ID: 57520001-ER
• Alternate ordering reference: 57520001-ER/1
• Product designation: DSTC 190
• Related communication cable: DSTK126
• Compatible external interface: IEEE 802.3 transceiver
• Mounting reference: DSRA mounting bar

Field Installation Guidelines

• Install the DSTC190 in the designated cabinet position and secure it mechanically to the applicable mounting arrangement.
• Use the specified communication cable and compatible transceiver configuration for the MasterBus 300 installation.
• Verify the communication topology before connecting the unit to a live network.
• Maintain cable routing separation from high-current motor, contactor, and variable-frequency-drive wiring.
• Avoid sharp bends or excessive mechanical loading at communication cable connections.
• Confirm connector seating and cable continuity before commissioning.
• Where shielded communication cable is used, terminate the shield according to the system cabinet grounding design.
• Do not substitute a generic Ethernet switch for the DSTC190 where the system requires the MasterBus 300 physical-layer interface.
• For redundant MasterBus 300 configurations, verify that the two network connections and network numbering comply with the system configuration.

Frequently Asked Questions

• What communication standard is associated with DSTC190?

  DSTC190 is identified as a connection unit for IEEE 802.3. In MasterBus 300 applications, it provides the physical interface required between compatible Ethernet-side equipment and the MasterBus network.

• Is DSTC190 an Ethernet switch?

  No. It is classified as a connection unit. Its documented function is physical-layer interfacing for MasterBus 300 and IEEE 802.3-compatible communication equipment rather than packet switching.

• What network is DSTC190 used with?

  DSTC190 is associated with ABB MasterBus 300. Siemens gateway documentation specifically identifies it as the adapter used to transform Ethernet-port signals to the MasterBus 300 physical layer.

• Can DSTC190 be used with ABB GCOM hardware?

  Yes. Published GCOM system documentation lists the DSTC190 together with the DSCS150 GCOM communication interface and DSTK126 cable for compatible Advant and MasterPiece systems.

• What are the physical dimensions of DSTC190?

  Available product records specify approximately 9.0 cm x 2.5 cm x 25.5 cm for the unit itself. This differs from the smaller shipping dimensions supplied for the product listing.

• Does DSTC190 require a separate transceiver?

  The documented MasterBus 300 architecture uses an IEEE 802.3-compliant transceiver with the connection unit. The transceiver provides the corresponding physical network interface in the documented arrangement.

• Is DSTC190 hot-swappable?

  No hot-swap capability is established in the available technical records. Installation or replacement should therefore follow the applicable Advant Master cabinet and system shutdown procedures rather than assuming live replacement.

• What is the specified power consumption of DSTC190?

  No independent power-consumption specification was found in the available records. Its documented role is a communication connection unit, so an external power requirement should not be assumed without the applicable ABB system documentation.