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IC670MDL644

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General Electric IC670MDL644 is a 16-point 24 VDC fast discrete input module for positive- or negative-logic field signals.
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Technical specifications for IC670MDL644

  • Manufacturer:
    General Electric
  • Part Number:
    IC670MDL644
  • Product Family:
    GE Genius I/O
  • Product Type:
    24 VDC Positive/Negative Fast Discrete Input Module
  • Stock:
    1
  • I/O Points:
    16 discrete inputs
  • Input Logic:
    Positive or negative logic
  • Rated Voltage:
    24 VDC
  • Input Range:
    0 to 30 VDC
  • Input Current:
    8.0 mA per point at 24 VDC
  • Response Time:
    On: 25 microseconds typical; Off: 100 microseconds typical
  • BIU Current:
    80 mA
  • Estimated shipping dimensions:
    82 x 52.5 x 73 mm
  • 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 Specifications Input Logic Timing Wiring

Features:

  • Sixteen input states transferred as two data bytes
  • Individual point LEDs plus a field-and-backplane PWR indicator
  • Intelligent input processing performed by the Bus Interface Unit
Within a Field Control station, IC670MDL644 reports the state of all sixteen channels through the Bus Interface Unit rather than requiring separate controller-side processing for each point.

Its front indicators give a local view of point status, while the PWR indicator confirms that the module sees both the user supply and backplane power.

The published input thresholds should be compared with the connected sensor outputs, especially where leakage voltage or slow transitions could affect an off-to-on decision.

The General Electric IC670MDL644 24 VDC Positive/Negative Fast Discrete Input Module may remain available for quotation and legacy-system support through Apter Power.
General Electric IC670MDL644 24 VDC Positive/Negative Fast Discrete Input Module Manuals, Datasheets, LinksImportant 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.
General Electric IC670MDL644 24 VDC Positive/Negative Fast Discrete Input Module Specs

General

  • ManufacturerGeneral Electric
  • ModelIC670MDL644
  • ConditionNew Original ready stock
  • Product FamilyField Control Distributed I/O
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.

Signal Interpretation

  • Positive logic: The input circuit supports sourcing field-device arrangements.
  • Negative logic: The same module can be applied with sinking field signals.
  • On-state level: The official on-state range extends from 15 to 30 VDC in either polarity.
  • Off-state level: Signals from 0 to 5 VDC are interpreted as off.

Fast Input Response

  • Turn-on: Typical response is 25 microseconds, with a 60-microsecond maximum.
  • Turn-off: Typical response is 100 microseconds, with a 150-microsecond maximum.
  • Sampling: Fast transitions should be evaluated against the controller scan and application timing.
  • Signal quality: Stable field voltage and correct common wiring help prevent unintended changes.

Field Connection Review

  • Polarity: Confirm the selected positive- or negative-logic arrangement before landing wires.
  • Common: Route the field common according to the terminal-block diagram in the official manual.
  • Current: Each energized point draws approximately 8.0 mA at 24 VDC.
  • Grounding: Follow the Field Control enclosure, DIN-rail, and grounding instructions for the installed assembly.
Description
IC670MDL644 presents sixteen discrete input states to the Bus Interface Unit as two bytes of input data. Its input circuits accept either positive-logic or negative-logic field connections, and the module is specified for a 24 VDC nominal source with a 0 to 30 VDC operating range.

For switching performance, IC670MDL644 has a typical turn-on response of 25 microseconds and a typical turn-off response of 100 microseconds. The published maximums are 60 microseconds for turn-on and 150 microseconds for turn-off, supporting applications that must capture faster sensor transitions.

The electrical thresholds distinguish a valid on state from residual field voltage: 15 to 30 VDC is recognized as on, while 0 to 5 VDC is recognized as off in either polarity. IC670MDL644 also provides individual point indicators and a PWR indicator that reflects the presence of both field and backplane power.
Alternative Names
IC670 MDL644 IC670MDL-644 GE IC670MDL644 GE Fanuc IC670MDL644 General Electric IC670MDL644 IC670MDL644 Fast Input Module IC670 MDL 644 GE Field Control MDL644
Technical notes
IC670MDL644 draws 80 mA maximum from the Bus Interface Unit, while each energized input draws approximately 8.0 mA at 24 VDC.
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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 field signals can IC670MDL644 accept?
IC670MDL644 accepts 24 VDC discrete input signals wired for either positive-logic or negative-logic operation.
How many input points are provided by IC670MDL644?
IC670MDL644 provides 16 input points arranged as one group.
What voltage range applies to IC670MDL644?
IC670MDL644 is rated for 24 VDC and supports an official input range of 0 to 30 VDC.
How fast does IC670MDL644 respond to a field transition?
IC670MDL644 has a typical on response of 25 microseconds and a typical off response of 100 microseconds.
What should be checked before wiring IC670MDL644?
Before wiring IC670MDL644, confirm polarity, common connections, terminal assignments, and sensor voltage against the official manual.
Is IC670MDL644 still an active GE Field Control product?
IC670MDL644 belongs to the legacy Field Control family and is listed here as Discontinued / Obsolete by OEM.
How can a customer request IC670MDL644 documentation or a quotation?
For IC670MDL644, customers can ask Apter Power for quotation support, official documentation, and configuration review.

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