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Technical specifications for 10101/2/1

  • Manufacturer:
    Honeywell
  • Product Category:
    DCS Systems
  • Tariff Code:
    8537101190
  • Counliy of origin:
    USA
  • Input channels:
    16
  • Nominal input:
    24 Vdc
  • Safety behavior:
    Fail-to-safe input stage
  • HIGH state:
    Above 15 Vdc
  • LOW state:
    Below 9 Vdc; below 2 mA
  • Typical input current:
    7 mA at 24 Vdc
  • Maximum input:
    36 Vdc
  • Typical delay:
    10 ms
  • Rack space:
    4 HP; 3U
  • Approvals:
    CE; TUV; UL; FM
  • Minimum software:
    3.00
  • 5 Vdc demand:
    8 mA
  • 24 Vdc internal demand:
    110 mA
  • 24 Vdc external demand:
    110 mA

Information

Overview Manuals Common Applications Product Precautions
Honeywell 10101/2/1 is a 16-channel fail-safe 24 Vdc digital input module for FSC safety applications.
  • Acquires sixteen 24 Vdc safety-related field states.
  • Drives a de-energized processor input when the input stage fails.
  • Self-tests logic-zero, logic-one and input crosstalk response.
  • Supports documented non-redundant and redundant FSC wiring.

Direct use of the external 24 Vdc output pins without an FTA requires the manufacturer-specified 500 mA fuse. Preserve internal and external supply assignments.

Important Notice: Verify the complete 10101/2/1 identity, installed system position, connections and controlled functional result before release.

Honeywell 10101/2/1 Manuals & Downloads
Honeywell 10101/2/1 Official Manufacturer Excerpt (PDF)Honeywell 10101/2/1 Installation & Commissioning Guide (PDF)
The first document records verified technical evidence. The second organizes controlled preparation, installation, commissioning and handover.
Emergency shutdown inputs
Acquires sixteen 24 Vdc safety-related field states.
Burner interlock contacts
Drives a de-energized processor input when the input stage fails.
Fire and gas trip inputs
Self-tests logic-zero, logic-one and input crosstalk response.
Fail-safe permissive monitoring
Supports documented non-redundant and redundant FSC wiring.
Honeywell 10101/2/1 installation checks must preserve the exact identity, system assignment and witnessed acceptance record.
1
Confirm the complete 10101/2/1 identity and 16-channel map.
2
Record internal and external 24 Vdc supply assignments.
3
Place the safety function in its approved maintenance state.
4
Use the documented 500 mA fuse when external output pins are used without an FTA.
5
Preserve input polarity, return and FTA terminal identity.
6
Check every channel against the documented HIGH and LOW thresholds.
7
Review module self-test and system diagnostics after energization.
8
Retain the witnessed safety-function acceptance record.

Technical notes

Direct use of the external 24 Vdc output pins without an FTA requires the manufacturer-specified 500 mA fuse. Preserve internal and external supply assignments.

FAQ View All FAQ

  • How many channels does Honeywell 10101/2/1 provide?
    It provides sixteen 24 Vdc digital input channels.
  • Why is Honeywell 10101/2/1 described as fail-safe?
    A component failure in the input stage produces a de-energized processor signal, the safe state in a normally energized system.
  • Which self-tests cover Honeywell 10101/2/1?
    The system tests logic-zero reception, logic-one reception and crosstalk between inputs.
  • What input levels define HIGH and LOW for Honeywell 10101/2/1?
    HIGH is above 15 Vdc; LOW is below 9 Vdc with current below 2 mA.
  • What maximum input is documented for Honeywell 10101/2/1?
    The technical data lists 36 Vdc maximum.
  • When does Honeywell 10101/2/1 require a 500 mA fuse?
    Use it when the external 24 Vdc output pins are wired without an FTA.
  • Which supplies must be checked on Honeywell 10101/2/1?
    Check the 5 Vdc logic supply plus the internal and external 24 Vdc circuits.
  • What completes commissioning of Honeywell 10101/2/1?
    Prove all sixteen inputs, review self-test diagnostics and retain the witnessed safety-function result.
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