ABB DSTC120 57520001-A
ABB DSTC120 57520001-A
ABB DSTC120 57520001-A
ABB DSTC120 57520001-A
ABB DSTC120 57520001-A
ABB DSTC120 57520001-A
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DSTC120 57520001-A

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ABB DSTC120 57520001-A is a connection unit for asynchronous communication interfaces, enabling signal transfer between ABB control systems and external devices through convenient screw-fastened terminal connections.
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Technical specifications for DSTC120 57520001-A

  • Manufacturer:
    ABB
  • Part Number:
    DSTC120 57520001-A
  • Product Family:
    ABB Advant OCS and Advant-800xA
  • Product Type:
    Connection Unit
  • Stock:
    3
  • Operating Temperature:
    +5℃ to +55℃
  • Humidity:
    5% to 95% (Non-condensing)
  • IP Rating:
    IP20 (Rack-mounted required)
  • Mounting:
    35mm DIN rail mounting
  • Terminal:
    Screw-fastened terminals
  • Wire Size:
    0.5 to 2.5 mm²
  • Weight:
    0.1 kg
  • Estimated shipping dimensions:
    10.2x5.1x12.7cm
  • Tariff Code:
    2933990099
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Installation Firmware Applications

Features:

  • Provides physical signal conversion between internal communication processors and external RS-232C or RS-485 communication wiring.
  • Uses screw-fastened terminals that simplify cable installation and reduce commissioning time.
  • Built primarily with passive circuitry and standard connection interfaces, supporting long service life and low maintenance requirements.
ABB DSTC120 57520001-A is intended for industrial automation systems that require dependable communication between control equipment and external devices. As manufacturing facilities continue to integrate diverse instruments and control platforms, dedicated communication connection units help ensure stable data transmission throughout the process network. The compact design allows easy installation inside standard control cabinets while maintaining organized wiring layouts.

A key function of ABB DSTC120 57520001-A is providing a practical interface between ABB controllers and external communication equipment. The unit enables asynchronous communication by routing processor signals to field communication cables. Through this capability, controllers can exchange information with terminals, printers, PLCs, barcode readers, and various intelligent devices used in production environments.

Installation and long-term operation are simplified through the unit's mechanical and electrical design. ABB DSTC120 57520001-A supports 35 mm DIN rail mounting and accepts wire sizes from 0.5 mm² to 2.5 mm² through screw-fastened terminals. With an IP20 rating when installed in a rack-mounted enclosure and operation in environments ranging from +5°C to +55°C, the unit provides a reliable communication infrastructure component for industrial automation systems.

The DSTC120 57520001-A ABB Connection Unit may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
ABB DSTC120 57520001-A Connection Unit Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
ABB DSTC120 57520001-A Connection Unit Specs

General

  • Manufacturer ABB
  • Model DSTC120 57520001-A
  • Condition New Original ready stock
  • Product Family DSTC170 57520001-BK,DSTC176 57310001-KT,DSTC190 57520001-ER
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Rail Type: 35mm DIN standard rail mounting.
  • Torque: 0.5 to 0.6 Nm for fastening screws.
  • Clearance: At least 50mm of ventilation space must be left above and below the module.
  • Shielding: The communication cable shielding layer must be connected to the grounding terminal.
  • Hardware Class: Passive physical layer board requires no firmware upgrade.
  • Compatibility: Supports all versions of the Advant OCS controller system.
  • Driver Configuration: Depends on the software channel settings of the main control card CI531.
  • Protocol Transparency: Pure physical forwarding does not occupy or change the communication protocol firmware.
  • Remote Monitoring: Connecting to an external RTU Or smart meters.
  • Data Logging: Connects to an industrial serial printer to output reports.
  • Bridge Link: Enables long-distance asynchronous communication with a modem.
  • Field Config: Provides a temporary interface between the engineering workstation and the DCS system.
Description
ABB DSTC120 57520001-A functions as a connection unit for asynchronous communication applications in ABB automation systems. Acting as a module termination unit (MTU), it transfers internal communication processor signals to external communication cabling, including hardware interfaces such as RS-232C and RS-485. This enables reliable communication between control equipment and connected field devices.

In industrial environments, ABB DSTC120 57520001-A supports data exchange between ABB controllers such as AC 410 and AC 450 and a wide range of external equipment. Communication links can be established with computer terminals, printers, third-party PLCs, barcode scanners, and intelligent instruments, helping integrate multiple devices into a unified control network.

The compact unit is designed for straightforward installation and maintenance. ABB DSTC120 57520001-A mounts on a 35 mm DIN rail and uses screw-fastened terminals that allow convenient field wiring without the need to manually connect complex communication interface pins. Operating within temperatures from +5°C to +55°C and humidity levels from 5% to 95% non-condensing, the unit provides dependable performance in industrial control cabinets. Internal construction consists primarily of passive circuitry, terminals, and standard connectors, contributing to low failure rates and long-term maintenance-free operation.
Alternative Names
DSTC 120 57520001-A DSTCI20 5752000I-A DSTC12O 5752OOO1-A DSTC120 57520001A DSTC404 57520001-DS DSTC406 57520001-DX DSTC170 57520001-BK DSTA180 57120001-ET/2
Technical notes
The ABB DSTC120 (57520001-A) serves as a dedicated connection unit designed for seamless integration within Advant Master DCS environments. This ultra-compact 40mm wide module termination unit efficiently bridges internal processors with field-level asynchronous links. It ensures stable dual-channel signal distribution while maintaining a minimal physical footprint under an IP20 protection rating.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What communication role does ABB DSTC120 57520001-A perform?
ABB DSTC120 57520001-A serves as a connection unit that transfers internal communication processor signals to external communication lines, enabling asynchronous communication between control systems and field devices.
How does ABB DSTC120 57520001-A simplify installation work?
Screw-fastened terminals allow field engineers to connect communication wiring directly, eliminating the need to manually wire complex communication connector pins.
Which mounting method is supported by ABB DSTC120 57520001-A?
The unit is designed for installation on a 35 mm DIN rail, making integration into industrial control cabinets straightforward.

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