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FC-SDI-1624

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Honeywell FC-SDI-1624 is a conformal-coated 16-channel safe digital input module for 24 V DC field signals in Safety Manager.
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Technical specifications for FC-SDI-1624

  • Manufacturer:
    Honeywell
  • Part Number:
    FC-SDI-1624
  • Product Family:
    Honeywell FSC Series
  • Product Type:
    16-Channel Safe Digital Input Module
  • Stock:
    1
  • Safe input channels:
    16
  • Nominal field signal:
    24 V DC
  • Input current:
    7 mA at 24 V DC
  • HIGH threshold:
    Greater than 15 V DC
  • LOW threshold:
    Below 9 V DC and below 2 mA
  • Typical input delay:
    10 ms
  • Test output:
    24 V DC, short-circuit proof, max. 450 mA
  • Key coding and construction:
    A5/C5; conformal-coated FC version
  • Tariff Code:
    85389000
  • 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 Input Data Output Data System Matching Installation Check

Features:

  • Sixteen fail-to-safe 24 V DC inputs
  • Defined HIGH and LOW thresholds
  • Protected 24 V diagnostic test output
FC-SDI-1624 converts field contact states into supervised digital input data for a Honeywell Safety Manager safety application.

The termination assembly, test circuitry and application mapping must be validated together because module installation alone does not prove the complete safety input loop.

Field voltage, test-output wiring and application channel mapping should be proven together during commissioning of every safety-related input.

The Honeywell FC-SDI-1624 16-Channel Safe Digital Input Module is available for quotation and technical support from Apter Power.
Verified resources for FC-SDI-1624:

Input Data:

  • 16 channels at nominal 24 V DC
  • HIGH above 15 V DC
  • LOW below 9 V DC and 2 mA
The typical 10 ms input delay should be included in the application response-time assessment.

Output Data:

  • 24 V DC diagnostic test output
  • Short-circuit protected
  • Maximum 450 mA
Wire the test supply exactly as shown for the selected termination arrangement.

System Matching:

  • Key coding A5/C5
  • Match the specified FTA and cable
  • Verify redundant or non-redundant wiring
Confirm the complete input-loop design before landing field conductors.

Installation Check:

  • Prove each HIGH and LOW state
  • Verify test detection and channel diagnostics
  • Confirm application channel mapping
Complete the site functional test before returning the safety loop to operation.
Description
Honeywell FC-SDI-1624 16-Channel Safe Digital Input Module is a conformal-coated 16-channel safe digital input module for Honeywell Safety Manager. It receives 24 V DC field contact signals through a fail-to-safe input stage and transfers supervised channel states to the configured safety application.

At the nominal 24 V DC level, each input draws approximately 7 mA. Honeywell defines a HIGH state above 15 V DC and a LOW state below 9 V DC with current below 2 mA, with a typical input delay of 10 ms; the protected 24 V diagnostic test output is rated up to 450 mA.

Use the specified field termination assembly, cable and redundant or non-redundant connection drawing for SDI-1624. Commissioning should prove each HIGH and LOW state, the diagnostic test path, field-supply behavior, controller indication and final safety-application mapping.
Alternative Names
FC-SDI-1624 FC SDI 1624 FCSDI1624 Honeywell FC-SDI-1624 Honeywell FC SDI 1624 Honeywell FCSDI1624 FC-SDI-1624 16-Channel Safe Digital Input Module Honeywell SDI-1624 16-Channel Safe Digital Input Module
Technical notes
FC-SDI-1624 monitors sixteen 24 V DC safety-related field inputs with documented HIGH and LOW thresholds. Use the correct termination and test-output wiring for the engineered Safety Manager channel configuration.
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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.
How does FC-SDI-1624 distinguish a HIGH from a LOW input?
The module reads HIGH above 15 V DC and LOW below 9 V DC when input current is below 2 mA; intermediate conditions require diagnostic review.
What current does one FC-SDI-1624 input draw at 24 V DC?
Honeywell documents approximately 7 mA per channel at the nominal 24 V DC field signal.
How is the diagnostic test output used?
The short-circuit-protected 24 V output supports the documented field-input test arrangement and is limited to 450 mA.
Which termination hardware is compatible with FC-SDI-1624?
Use only the FTA and cable arrangement specified for SDI-1624, including the correct redundant or non-redundant connection drawing.
What should be checked if an input remains in the intermediate state?
Measure field voltage and current, inspect contact and wiring resistance, verify field supply and review channel diagnostics for line or test faults.
Can FS-SDI-1624 and FC-SDI-1624 be exchanged?
The electrical function is related, but the project coating requirement and approved hardware list must be verified before substitution.
Which commissioning tests are needed for FC-SDI-1624?
Prove every configured input state, diagnostic test path, alarm response and safety-application mapping from field contact to controller logic.
What details are needed for an FC-SDI-1624 quotation?
Provide the full model, FTA and cable type, redundant or non-redundant arrangement, coating requirement, channel voltage, quantity and destination.