10024/H/I
10024/H/I
10024/H/I
10024/H/I
10024/H/I
10024/H/I
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    Discontinued / Obsolete by OEM
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10024/H/I

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Honeywell 10024/H/I is an FSC enhanced communication module combining an internal Central Part link with an isolated RS-485/RS-422 interface.
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Technical specifications for 10024/H/I

  • Manufacturer:
    Honeywell
  • Part Number:
    10024/H/I
  • Product Family:
    Honeywell FSC Series
  • Product Type:
    FSC Enhanced Communication Module
  • Stock:
    1
  • Interface layout:
    Two separate serial connectors
  • Type number:
    26900
  • Top interface A:
    RS-422 with readback for internal Central Part communication
  • Bottom interface B:
    Galvanically isolated RS-485/RS-422
  • H-interface maximum rate:
    2 Mbaud
  • I-interface maximum rate:
    1 Mbaud
  • I-interface galvanic isolation:
    Greater than 6 kV
  • H-interface maximum cable length:
    1.5 m at 2 Mbaud
  • I-interface maximum cable length:
    1.2 km at 100 Kbaud
  • Connector type:
    Two male 9-pin connectors
  • Maximum I interfaces per system:
    16
  • Software requirement:
    2.78f or later; configuration 530 or later
  • Space requirement:
    8 HP, 3U
  • Power requirement:
    5 V DC, 675 mA
  • Ripple limit:
    Less than 50 mV peak-to-peak
  • Approvals:
    CE, UL and TÜV
  • Weight:
    0.661 lbs (0.3 kg)
  • Estimated shipping dimensions:
    4x18.5x12.8cm
  • Tariff Code:
    8538900000
  • 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 Interface Roles Cable Distance Electrical Separation System Loading

Features:

  • H interface provides the internal RS-422 readback connection
  • I interface supplies an isolated RS-485/RS-422 external path
  • Two male nine-pin connectors keep both serial roles on one module
The H and I suffixes describe different electrical interfaces, so the two connectors cannot be exchanged even though they share the same physical pin count.

Isolation belongs only to the external I path, allowing that link to cross equipment boundaries without applying the same assumption to the internal H connection.

Baud rate and cable length are coupled on the I interface; increasing speed reduces the permitted run from kilometer scale to a shorter cabinet-to-equipment route.
The Honeywell 10024/H/I FSC Enhanced Communication Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Honeywell 10024/H/I FSC Enhanced 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.

H and I connections on one module

  • H path: Interface A is the H path for internal Central Part communication.
  • I path: Interface B is the isolated I path for external RS-485 or RS-422 equipment.
  • Connector caution: Identical connector size does not make the two paths interchangeable.

How transmission rate limits the I link

  • Long run: The I interface reaches 1.2 km only at 100 Kbaud.
  • High speed: At 1 Mbaud the documented maximum cable length is 120 m.
  • Selection rule: Cable selection must follow the configured rate rather than the connector type alone.

Where the isolation barrier sits

  • Isolation barrier: The isolated I interface provides greater than 6 kV galvanic separation.
  • Internal link: The internal H interface remains non-isolated within the Central Part.
  • Wiring plan: Grounding and shield planning therefore differ between the two serial paths.

Power and card-count boundaries

  • Supply current: One module draws 675 mA from the 5 V DC logic supply.
  • Interface count: A system supports up to sixteen I interfaces in the documented arrangement.
  • Rack space: The module occupies eight HP and three U in the Central Part rack.
Description
Honeywell 10024/H/I is an enhanced communication module for an FSC Central Part, combining two different serial paths on one card. Interface A is the H connection for internal Central Part communication, while interface B is the isolated I connection for external RS-485 or RS-422 equipment.

Through the upper connector, 10024/H/I uses RS-422 with readback at up to 2 Mbaud over the short internal cable path. This H interface has no galvanic isolation because it remains within the redundant Central Part arrangement.

The lower connector of 10024/H/I separates its RS-485/RS-422 field-side path with greater than 6 kV galvanic isolation. Cable distance changes with the selected baud rate, so the longest I-interface run applies only at the lower documented transmission rates.

Both communication paths in 10024/H/I draw logic power from the 5 V DC Central Part supply, with a documented module load of 675 mA. The live backplane connection means the card is not removed or inserted while Central Part power is present.
Alternative Names
Honeywell 10024/H/I 10024/H/I Enhanced Communication Module Honeywell FSC COM Module 10024/H/I 26900 FSC Communication Card Honeywell 10024-H-I Serial Module FSC H-I Interface Module 10024/H/I RS422 RS485 Card Honeywell Enhanced COM H/I
Technical notes
Do not remove Honeywell 10024/H/I while the FSC Central Part is powered; its H and I connectors serve different electrical paths.
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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 connector on Honeywell 10024/H/I belongs to the internal Central Part link?
The upper H connector on Honeywell 10024/H/I is the RS-422-with-readback path for internal Central Part communication. Keep it separate from the lower isolated I connector used for external RS-485/RS-422 wiring.
Why do Honeywell 10024/H/I cable limits change with baud rate?
On the isolated I interface of Honeywell 10024/H/I, higher data rates allow shorter cable runs: the documented maximum falls from 1.2 km at 100 Kbaud to 120 m at 1 Mbaud. Select the cable length from the actual configured rate.
Where is galvanic isolation provided on Honeywell 10024/H/I?
Look at the lower I interface of Honeywell 10024/H/I for the greater-than-6-kV galvanic barrier. The upper H connector remains a non-isolated internal Central Part path.
How should the two nine-pin plugs on Honeywell 10024/H/I be matched?
Identify the upper plug as H and the lower plug as I before reconnecting Honeywell 10024/H/I. Both are male nine-pin connectors, so connector shape alone does not prove the correct electrical path.
What configuration baseline is required for Honeywell 10024/H/I?
Check for software 2.78f or later and configuration 530 or later before commissioning Honeywell 10024/H/I. Both the running release and database level must satisfy the documented baseline.
Can Honeywell 10024/H/I be removed from an energized FSC Central Part?
Power isolation is required before Honeywell 10024/H/I is removed or inserted. The card is tied to the live Central Part backplane and 5 V DC supply, so energized handling can disturb connected hardware.