Allen-Bradley 1746-ITV16
Allen-Bradley 1746-ITV16
Allen-Bradley 1746-ITV16
Allen-Bradley 1746-ITV16
Allen-Bradley 1746-ITV16
Allen-Bradley 1746-ITV16
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1746-ITV16

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Allen-Bradley 1746-ITV16 is a 16-point fast-response 24 V DC sourcing input module for SLC 500 applications requiring short input delays.
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Technical specifications for 1746-ITV16

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1746-ITV16
  • Product Family:
    SLC 500
  • Product Type:
    16-Point Fast DC Sourcing Input Module
  • Stock:
    1
  • Inputs:
    16; 16 points per common
  • Input Voltage:
    24 V DC nominal; 10–30 V DC operating range
  • Input Current:
    8 mA nominal at 24 V DC
  • Input Delay:
    0.3 ms on; 0.5 ms off maximum
  • Voltage Category:
    24 V DC signal input (sourcing)
  • Number of Inputs:
    16
  • Points per Common:
    16
  • Operating Voltage Range:
    10–30 V DC
  • Backplane Current at 5 V DC:
    0.085 A
  • Backplane Current at 24 V DC:
    0 A
  • Maximum Signal Delay:
    0.3 ms on; 0.5 ms off
  • Typical Signal Delay:
    0.1 ms on; 0.25 ms off at 24 V DC
  • Maximum Off-state Voltage:
    5 V DC
  • Maximum Off-state Current:
    1.5 mA
  • Nominal Input Current:
    8 mA at 24 V DC
  • Operating Temperature:
    0–60 °C
  • Storage Temperature:
    -40–85 °C
  • Relative Humidity:
    5–95%, non-condensing
  • Operating Shock:
    30 g
  • Weight:
    0.2 kg
  • 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 Sourcing Interface Pulse Capture Replacement Verification Application
  • Sixteen fast-response 24 V DC sourcing inputs
  • 0.3 ms maximum on delay and 0.5 ms maximum off delay
  • Designed for compatible sinking field devices

1746-ITV16 provides sixteen fast-response 24 V DC sourcing inputs in one SLC 500 slot. It must be paired with compatible sinking field devices.

The module operates over 10–30 V DC. Official data gives maximum input delays of 0.3 ms on and 0.5 ms off, supporting short-duration signal detection.

Because fast inputs can respond to bounce or noise, commissioning should confirm supply polarity, common wiring, cable routing, sensor behavior, and any program filtering used by the machine.

Availability, condition, price, and shipping time for 1746-ITV16 are confirmed during quotation.

Allen-Bradley 1746-ITV16 Fast-Response DC Sourcing Input Module Manuals, Datasheets, Links

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.

  • Use compatible sinking field devices with the sourcing input architecture
  • Verify the V DC feed, common reference, and sensor polarity
  • Do not wire it as a direct replacement for the sinking ITB16 interface
  • Fast response can expose sensor leakage, bounce, or coupled noise
  • Check cable routing, grounding, and program filtering before replacement
  • Validate pulse capture against the actual machine cycle
  • Record the installed terminal block and sinking-device arrangement
  • Isolate power before transferring conductors to a replacement module
  • Confirm sourcing behavior before reconnecting field sensors
  • Fast sinking-sensor signal detection
  • SLC 500 sequence and position monitoring
  • Replacement of a verified 1746-ITV16 installation
Description
1746-ITV16 is an Allen-Bradley SLC 500 fast-response DC input module with sixteen sourcing input points for compatible sinking field devices.

The module operates from 10–30 V DC and is documented with a maximum input delay of 0.3 ms when turning on and 0.5 ms when turning off. This response supports short-duration input signals that may be missed by standard filtered input modules.

Before installation or replacement, verify field-device output type, supply polarity, common wiring, terminal-block assignment, cable routing, electrical-noise exposure and any software filtering used by the SLC 500 application.
Revisions

Revision Part #

Also known as

1746-ITV16 Ser A
1746-ITV16/A, Series A, Rev A
1746-ITV16 Ser B
1746-ITV16/B, Series B, Rev B
1746-ITV16 Ser C
1746-ITV16/C, Series C, Rev C
Alternative Names
1746-ITV16 1746ITV16 1746 ITV16 Allen-Bradley 1746-ITV16 Allen Bradley 1746-ITV16 Rockwell Automation 1746-ITV16 SLC 500 1746-ITV16
Technical notes
Allen-Bradley 1746-ITV16 is a fast sourcing input module. Confirm sinking field-device compatibility, V DC wiring, and input timing before replacement.
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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 device is compatible with Allen-Bradley 1746-ITV16?
The sourcing input module is intended for compatible sinking field devices. Verify sensor output type, polarity, leakage current, and common wiring before connection.
Can Allen-Bradley 1746-ITV16 directly replace 1746-ITB16?
No. ITV16 is sourcing while ITB16 is sinking, so field-device polarity and wiring differ even though their nominal voltage and response times are similar.
Can Allen-Bradley 1746-ITV16 capture pulses from a proximity sensor?
It may be suitable when the sensor’s pulse width and frequency match the input response and PLC scan behavior. Validate the complete signal path; it is not automatically a high-speed counter.
Why can Allen-Bradley 1746-ITV16 detect unwanted transitions?
Fast response can expose contact bounce, supply disturbances, or coupled noise. Check cable routing, grounding, sensor leakage, and program filtering before replacing the module.
Can Allen-Bradley 1746-ITV16 be replaced by a standard 24 V sourcing input module?
Do not assume equivalence. A slower input can change event capture and machine timing; compare polarity, delays, thresholds, current, terminal layout, and program behavior.
What should be verified before transferring Allen-Bradley 1746-ITV16 wiring?
Record every terminal, V DC feed, common, conductor label, sensor type, and shield arrangement. Isolate power and compare the replacement terminal drawing before reconnection.
What should be checked when one Allen-Bradley 1746-ITV16 channel remains off?
Confirm the sinking sensor pulls the input correctly, measure voltage against common, inspect leakage and terminal continuity, and verify that the signal reaches the documented on-state range.

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