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  • Lifecycle status

    Discontinued / Obsolete by OEM
    Apter Power supports exact-part review, condition verification, and documented interface matching for this discontinued communication module.

DCO01 P37511-4-0369666

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ABB DCO01 P37511-4-0369666 is a Freelance rack-system communication module with four serial interfaces. RS-232C, RS-422 or RS-485 operation is selected by the connected cable.
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Technical specifications for DCO01 P37511-4-0369666

  • Manufacturer:
    ABB
  • Part Number:
    DCO01 P37511-4-0369666
  • Product Family:
    ABB H&B Freelance 2000
  • Product Type:
    Serial Interface Module
  • Stock:
    1
  • Serial Interfaces:
    4
  • Electrical Standards:
    RS-232C / RS-422 / RS-485
  • Interface Selection:
    Defined by the connected cable
  • System Family:
    ABB Freelance Rack System
  • Tariff Code:
    Please confirm the destination before shipping
  • 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 Serial Ports Interface Setup Wiring Limits Applications
  • Module role: Four-channel serial communication module for ABB Freelance rack-system process stations.
  • Electrical interfaces: RS-232C, RS-422 or RS-485, selected by the connected cable.
  • Rack placement: Suitable for the central unit or an I/O unit, subject to the documented station configuration.

Use the full DCO01 P37511-4-0369666 identification when reviewing a replacement. Connector appearance alone does not confirm cable type, port assignment or project configuration.

Use the verified ABB reference groups below when checking the rack position, serial-port assignment and project configuration.

No verified model-specific English PDF is attached to this page.

•Port count: Four serial interfaces are available on the module.
•Supported standards: RS-232C, RS-422 and RS-485.
•Isolation: Each interface is electrically isolated from the other interfaces and from the system.
•Engineering use: Each channel must be assigned and parameterized in the Freelance project.
•Interface selection: The connected cable determines RS-232C, RS-422 or RS-485 operation.
•Jumper setting: No interface-selection jumper is required.
•Coding switch: The rear coding switch is reserved for future use and requires no adjustment.
•Project mapping: Confirm the configured serial-port assignment before replacement or relocation.
•RS-232C length: ABB specifies a maximum cable length of 15 m.
•Cable identity: Match the installed cable type and pin assignment to the station documentation.
•Isolation: Preserve the documented isolation and grounding arrangement.
•Troubleshooting: Check cable length, port assignment and project settings before condemning the module.
•Installed-system service: Replacement of a DCO 01 communication module in a Freelance rack station.
•Serial device channels: Connection of supported devices through configured RS-232C, RS-422 or RS-485 links.
•Station expansion: Addition of documented serial channels when rack position and project memory permit.
•Commissioning: Verification of cable type, port assignment and device parameters after hardware work.
Description

DCO01 P37511-4-0369666 provides four configurable serial interfaces for ABB Freelance rack-system process stations, giving the installed station dedicated channels for communication with supported serial devices.

For each channel, DCO01 P37511-4-0369666 can use RS-232C, RS-422 or RS-485 electrical signaling. The connected cable establishes the interface standard; there is no interface-selection jumper to change on the module.

When replacement or relocation is planned, verify DCO01 P37511-4-0369666 against the removed unit’s full part number, rack position, serial-port assignments, cable type and Freelance project configuration. ABB permits installation in the central unit or an I/O unit, but the documented station arrangement should be retained unless the engineering design is intentionally revised.

Alternative Names
DCO01 DCO 01 P37511-4-0369666 DCO01 P37511 4 0369666 DCO01 P3751140369666 DC001 P37511-4-0369666 DCOO1 P37511-4-0369666 DCO1 P37511-4-0369666 ABB DCO01 P37511-4-0369666
Technical notes
DCO01 P37511-4-0369666 exposes serial connections whose electrical standard is determined by the cable. Do not infer RS-232C, RS-422 or RS-485 from connector appearance alone; verify the installed cable and software port assignment before moving or replacing the module. ABB limits an RS-232C connection to 15 m.
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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 should be checked before replacing DCO01 P37511-4-0369666?
Compare the complete part number, rack position, port assignments, connected cables and Freelance project configuration with the removed module. A matching connector layout alone does not confirm that the installed communication channels are configured the same way.
Can DCO01 P37511-4-0369666 use RS-232C, RS-422 and RS-485?
Yes. ABB documents all three electrical standards for this communication module, but the active standard is determined by the connected cable. Confirm the cable and the engineering configuration instead of assuming the interface from the connector.
Is a jumper change required when the interface standard changes on DCO01 P37511-4-0369666?
No interface-selection jumper is required. ABB specifies that the interface type is selected by the cable, so the replacement review should focus on cable identity, pin assignment and the configured serial port.
Where can DCO01 P37511-4-0369666 be installed in a Freelance rack station?
ABB allows the communication module in the central unit or in an I/O unit. Retain the documented rack position during replacement unless the station design and project configuration have been reviewed for a planned change.
Why can an RS-232C link still fail after installing DCO01 P37511-4-0369666?
Check whether the correct cable is fitted, whether the software port assignment matches the installed connection and whether the cable run stays within ABB's 15 m RS-232C limit. Do not replace the module solely because a long or mismatched link is unstable.
Are the serial interfaces on DCO01 P37511-4-0369666 electrically isolated?
ABB documents the serial interfaces as electrically isolated from one another and from the system. During service, preserve the specified cable and grounding arrangement rather than adding unverified common connections.
How should DCO01 P37511-4-0369666 be distinguished from an ABB drive option named DCO-01?
Use the full P37511-4-0369666 identifier and the Freelance rack-system context. ABB also uses a similar DCO-01 name for unrelated drive communication options, so the short name by itself is not sufficient for procurement.