3624
3624
3624
3624
3624
3624
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3624

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Triconex 3624 is a 16-point TMR supervised 24 VDC digital output module that drives commoned field circuits while monitoring commanded and returned output states.
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Technical specifications for 3624

  • Manufacturer:
    Invensys
  • Part Number:
    3624
  • Product Family:
    Triconex
  • Product Type:
    TMR Supervised 24 VDC Digital Output Module
  • Stock:
    1
  • Architecture:
    TMR supervised output
  • Output Points:
    16 commoned outputs
  • Operating Voltage:
    16 to 30 VDC
  • Maximum Voltage:
    36 VDC
  • Point Current:
    0.7 A maximum per point
  • Surge Current:
    4.8 A for 10 ms
  • Minimum Load:
    30 mA
  • Module Load:
    Less than 10 W
  • On-State Voltage Drop:
    Less than 1.5 V typical
  • Load Leakage:
    4 mA maximum
  • 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 Output Structure Supervision Field Interface Diagnostics

Features:

  • Controls sixteen commoned 24 VDC field outputs.
  • Uses a supervised TMR path for every output point.
  • Reports field-power, fuse, load, and output-short conditions.
Triconex 3624 accepts a 16 to 30 VDC field range and limits each steady-state output point to 0.7 A.

The supervision circuit requires a minimum connected load of 30 mA so the module can distinguish open-load and field-power conditions.

A 4.8 A, 10 ms surge allowance supports field loads with a short initial current rise while preserving the point rating.

The Triconex 3624 TMR Supervised Digital Output Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Triconex 3624 TMR Supervised Digital Output 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.

Triplicated Output Control

  • Redundancy: Three control paths participate in each supervised output decision.
  • Point Count: Sixteen field outputs are provided in one commoned arrangement.
  • Voltage Drop: The on-state module drop is less than 1.5 V typical.
  • Leakage: Output leakage is limited to 4 mA maximum.

Field-Circuit Monitoring

  • Power Loss: Supervision detects loss of the external field supply.
  • Fuse State: A blown output fuse is included in the monitored conditions.
  • Load Path: An open or missing field load can be reported.
  • Incorrect Drive: Certain shorts that energize an output unexpectedly are detected.

Termination and Backplane Path

  • Field Termination: Output wiring lands on the designated external termination panel.
  • Module Cable: The termination assembly connects to the Tricon backplane through its cable.
  • Keying: Mechanical keys distinguish the correct module position.
  • Commoned Supply: The sixteen output circuits share the defined field-power arrangement.

Controller and Field Feedback

  • Command Check: The module compares commanded output information with returned circuit state.
  • Channel Data: Diagnostic results are communicated to the Tricon controller.
  • Load Threshold: A 30 mA minimum load maintains the supervision measurement path.
  • Power Demand: The module load remains below 10 W.
Description
Triconex 3624 is a sixteen-point, TMR-supervised digital output module for commoned 24 VDC field circuits in a Tricon system. It converts triplicated controller commands into field outputs while checking the relationship between commanded and returned states.

The field side of Triconex 3624 operates from 16 to 30 VDC, with 36 VDC as the specified maximum. Each point carries up to 0.7 A and accepts a 4.8 A surge for 10 ms, while the connected load must draw at least 30 mA to maintain the supervision path.

Three control paths inside Triconex 3624 act on every output point. Circuit supervision detects loss of field power, a blown fuse, an open or missing load, and a field short capable of energizing an output incorrectly.

Electrical loading for Triconex 3624 includes a typical on-state voltage drop below 1.5 V, load leakage no greater than 4 mA, and total module load below 10 W. These limits apply alongside the point-current and surge ratings.

Field circuits reach Triconex 3624 through the assigned external termination panel and backplane cable. Mechanical keying identifies the module position, while diagnostic information returns to the controller for channel and field-circuit monitoring.
Alternative Names
3624 Triconex 3624 Tricon 3624 3624 Digital Output 3624 TMR Output Invensys Triconex 3624 Triconex Model 3624 Triconex 36Z4
Technical notes
Triconex 3624 provides sixteen commoned TMR supervised 24 VDC outputs with field-circuit fault monitoring.
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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 when Triconex 3624 reports an open-load condition?
For Triconex 3624, verify the field wiring, connected device, fuse, field supply, and that the load draws at least 30 mA.
Can a high-inrush DC load be connected directly to Triconex 3624?
The load is acceptable only when its steady current and starting surge remain within the Triconex 3624 limits of 0.7 A per point and 4.8 A for 10 ms.
Why does Triconex 3624 require the correct termination panel and cable?
The assigned termination hardware routes all sixteen Triconex 3624 outputs to the proper backplane connections and preserves module keying.
How does Triconex 3624 distinguish a commanded state from a field-circuit fault?
Triconex 3624 compares output commands with returned circuit information and supervises power, fuse, load, and short conditions.
What is the first electrical check when a Triconex 3624 output does not energize?
Measure the Triconex 3624 field supply and confirm that it remains within 16 to 30 VDC at the commoned output circuit.
Does one Triconex 3624 point operate independently of the TMR architecture?
No. Every Triconex 3624 field point is controlled through the module triplicated supervised output paths.

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