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    Discontinued / Obsolete by OEM
    Apter Power supplies original Triconex 3201 communication modules to ensure continuous network reliability and maintain legacy Trident v2 safety instrumented systems.

3201 (CM3201)

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Triconex 3201 is a communication module designed for 24 V DC systems, providing reliable serial and network interface connectivity with integrated electrical isolation and power conditioning. It enables stable data communication between control system components under defined industrial electrical conditions.
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Technical specifications for 3201 (CM3201)

  • Manufacturer:
    Invensys
  • Part Number:
    3201 (CM3201)
  • Product Family:
    Trident System
  • Product Type:
    Communication Module
  • Stock:
    1
  • Nominal input voltag:
    24 V DC
  • Specified operational voltage range:
    24 V DC –15% or +20% + 5% AC ripple (19.2 to 30 V DC)
  • Logic power (without MAUs):
    8 W maximum
  • 10 Mb AUI-type MAU:
    6 W maximum additional per MAU
  • 100 Mb MII-type MAU:
    3.75 W maximum additional per MAU
  • Absolute maximum input voltage:
    33 V DC
  • Absolute maximum reverse input voltage:
    –0.6 V DC
  • Input power interruption time from nominal value:
    1 ms maximum
  • Repetition rate:
    1 sec minimum
  • Reverse current isolation input to input:
    500 µA maximum
  • Inrush current per input:
    2.4 A maximum, typically 1.2 A for 50 ms
  • Short circuit current limit per input:
    2.4 A maximum
  • Functional-to-logic ground isolation:
    0 V, no isolation
  • Protective-to-functional-earth isolation:
    500 V DC
  • Serial port Galvanic isolation:
    500 V DC
  • Connector:
    DB-9-pin DTE standard, shielded, located on baseplate
  • Weight:
    1.7 kg
  • Estimated shipping dimensions:
    4.4x18.5x21.7cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • 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 Connectivity Diagnostics Application Scenarios

Features:

  • Dual MAU compatibility supports flexible communication configurations across different network speeds
  • Defined electrical isolation and current limiting ensure stable operation under industrial power conditions
  • Structured timing and interruption tolerance maintain communication continuity during transient events
The Triconex 3201 communication module is designed for industrial control systems requiring stable and structured data exchange between system components. Operating at a nominal 24 V DC input, the 3201 maintains compatibility within a defined voltage range while supporting controlled electrical behavior under varying operating conditions. Its design allows the 3201 to function reliably within systems that demand consistent communication integrity.

The 3201 supports integration with different communication media through 10 Mb AUI-type and 100 Mb MII-type MAU configurations. This flexibility allows the 3201 to adapt to system-level communication requirements without altering its core electrical structure. Power consumption characteristics of the 3201 vary depending on connected MAUs, enabling scalable configuration within control architectures.

From an electrical design perspective, the 3201 includes defined current limits, isolation ratings, and interruption tolerance parameters to maintain stable operation. The module ensures controlled behavior during inrush and short-circuit conditions while maintaining signal integrity. With standardized DB-9-pin DTE connectivity, the 3201 integrates into structured baseplate systems for consistent communication performance.

The 3201 Triconex Communication Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Triconex 3201 Communication Module 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.
Triconex 3201 Communication Module Specs

General

  • Manufacturer Triconex
  • Model 3201
  • Condition New Original ready stock
  • Product Family 2201,3401,3381
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.
  • Physical Interfaces: Integrated with three RS-232/RS-485 serial ports.
  • System Integration: Connects the main processor to the DCS system.
  • Redundant Deployment: A single baseboard supports redundant communication connections.
  • Media Conversion: Uses a media adapter unit to convert Ethernet media.
  • Indicator Monitoring: Real-time display of operating status via LED indicators on the module panel.
  • Panel Interaction: Supports retrieval of detailed error messages via the diagnostic panel.
  • Software Monitoring: Can be used in conjunction with Diagnostic Monitor software for remote monitoring.
  • Fault Tolerance Reporting: Automatically performs self-diagnosis and reports in case of a single-channel failure.
  • Oil & Gas: Ensures secure communication for critical processes in oil and gas facilities.
  • Chemical Processing: Provides a robust communication infrastructure.
  • Power Energy: Serves as a fault-tolerant platform for critical systems in power plants.
  • Safety System Integration: Used for fire and gas protection (F&G).
Description
The Triconex 3201 communication module operates with a nominal input voltage of 24 V DC and supports an operational range of 19.2 to 30 V DC with ±5% AC ripple tolerance. The 3201 is designed to maintain stable functionality under voltage variations, with an absolute maximum input voltage of 33 V DC and a reverse input limit of –0.6 V DC. Its input power interruption tolerance is up to 1 ms, ensuring short-duration supply stability during transient conditions.

The 3201 includes configurable power consumption depending on connected MAU types, with logic power up to 8 W maximum without MAUs. The 3201 supports 10 Mb AUI-type MAU with an additional 6 W maximum per unit, and 100 Mb MII-type MAU with an additional 3.75 W maximum per unit. These characteristics allow the 3201 to adapt to different communication configurations within the system architecture.

Electrical performance of the 3201 includes an inrush current up to 2.4 A maximum, typically 1.2 A for 50 ms, and a short circuit current limit per input of 2.4 A maximum. The 3201 also provides reverse current isolation of up to 500 µA maximum between inputs. Protective-to-functional-earth isolation is rated at 500 V DC, while serial port galvanic isolation is also 500 V DC, ensuring controlled electrical separation in communication pathways.

The Triconex 3201 is equipped with a DB-9-pin DTE standard connector, shielded and located on the baseplate for structured system integration. The 3201 features no isolation between functional and logic ground, defined as 0 V. With a repetition rate requirement of 1 second minimum, the 3201 ensures stable and synchronized communication behavior under defined system timing conditions.
Alternative Names
2401 2402 3301 3351 3481 3482
Technical notes
Triconex 3201 communication module operates at 24 V DC nominal input voltage with 19.2–30 V DC operational range including ±5% AC ripple, 33 V DC absolute maximum input voltage, –0.6 V DC reverse input voltage, 8 W maximum logic power without MAUs, 6 W maximum additional per 10 Mb AUI-type MAU, 3.75 W maximum additional per 100 Mb MII-type MAU, 1 ms maximum input power interruption time, 1 second minimum repetition rate, 500 µA maximum reverse current isolation input to input, 2.4 A maximum inrush current per input (typically 1.2 A for 50 ms), 2.4 A maximum short circuit current limit per input, 0 V functional-to-logic ground isolation, 500 V DC protective-to-functional-earth isolation, 500 V DC serial port galvanic isolation, and DB-9-pin DTE shielded connector on baseplate.
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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.
Which serial protocols does 3201 (CM3201) support?
The module supports documented Modbus master and slave operation.
Which serial interfaces are available on 3201 (CM3201)?
Its serial port can be configured for RS-232 or RS-485 operation.
How does 3201 (CM3201) connect to TriStation?
The module provides the engineering communication path used for approved Trident access.
What must be checked before replacing 3201 (CM3201)?
No. Preserve port mode, addresses, protocol roles, cabling and the supported controller release.
Which document covers 3201 (CM3201)?
Use the official Trident communication and installation documentation for the installed version.
What details support a 3201 (CM3201) quote?
Provide the label, controller release, serial and Ethernet configuration, quantity and destination.

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