Allen-Bradley 1746-OV32
Allen-Bradley 1746-OV32
Allen-Bradley 1746-OV32
Allen-Bradley 1746-OV32
Allen-Bradley 1746-OV32
Allen-Bradley 1746-OV32
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  • Lifecycle status

    Discontinued
    Discontinued date: 2022-11-24
    Replacement category: Engineering Replacement

1746-OV32

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Allen-Bradley 1746-OV32 provides thirty-two 5–50 V DC sinking outputs in two groups for high-density SLC 500 field control.
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Technical specifications for 1746-OV32

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1746-OV32
  • Product Family:
    SLC 500
  • Product Type:
    Thirty-Two-Point DC Sinking Output Module
  • Stock:
    1
  • Outputs:
    32 sinking; two groups of 16
  • Operating Voltage:
    5–50 V DC
  • Backplane Current:
    190 mA at 5 V DC
  • Signal Delay:
    0.1 ms on; 1 ms off, maximum
  • Off-State Leakage:
    1 mA maximum
  • Minimum Load Current:
    1 mA
  • Current per Point:
    0.5 A at 30 °C; 0.25 A at 60 °C
  • Current per Module:
    8 A maximum
  • Group Current:
    4 A per common when both common pins are wired
  • On-State Voltage Drop:
    1.2 V maximum at 0.5 A
  • Surge Current:
    1 A for 10 ms per point
  • Weight:
    0.2 kg
  • 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 Series Differences Return Wiring Connector Setup Application
  • Thirty-two DC sinking outputs arranged as two sixteen-point groups
  • 5–50 V DC operation for compatible sourcing field circuits
  • Series-dependent group protection and connector-current requirements

1746-OV32 is an Allen-Bradley thirty-two-point dc sinking output module for SLC 500 chassis.

The module provides dense transistor switching for field circuits that require their load return to be pulled toward DC common.

Before installation or replacement, verify hardware series, connector assemblies, both return groups, supply polarity, group current, external protection, load suppression, and output addressing.

Availability, condition, price, and shipping time for 1746-OV32 are confirmed during quotation.

Allen-Bradley 1746-OV32 Thirty-Two-Point DC Sinking Output 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.

  • Identify Series D or an earlier series from the complete module label
  • Account for the nonreplaceable group fuses used on earlier hardware
  • Recalculate group current and external protection when changing series
  • Wire both common pins when a group must carry more than 2 A
  • Keep the two sixteen-point returns assigned to their documented groups
  • Verify external supply polarity before connecting sinking loads
  • Use the documented 32-point connectors or prewired cables
  • Confirm point numbering and group boundaries before transferring field conductors
  • Secure both plugs and preserve cable identification for future service
  • High-density sinking control of 24 V DC industrial loads
  • Two-group solenoid and relay-coil actuation in SLC 500 panels
  • Legacy machine output expansion where field devices provide positive DC supply
Description
1746-OV32 is a thirty-two-point dc sinking output module for the SLC 500 control platform.

The module provides dense transistor switching for field circuits that require their load return to be pulled toward DC common.

Before installation or replacement, verify hardware series, connector assemblies, both return groups, supply polarity, group current, external protection, load suppression, and output addressing.
Revisions

Revision Part #

Also known as

1746-OV32 Ser A
1746-OV32/A, Series A, Rev A
1746-OV32 Ser B
1746-OV32/B, Series B, Rev B
1746-OV32 Ser C
1746-OV32/C, Series C, Rev C
1746-OV32 Ser D
1746-OV32/D, Series D, Rev D
Alternative Names
1746-OV32 1746OV32 AB 1746-OV32 Allen-Bradley 1746-OV32 Rockwell Automation 1746-OV32
Technical notes
1746-OV32 is a two-group sinking module; identify hardware series, wire paired commons correctly, confirm connector hardware, and suppress inductive loads 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.
Which field-device polarity matches 1746-OV32?
Use loads supplied from positive DC whose return is switched by a sinking output. Confirm the device’s common and polarity before connecting it.
Why does the hardware series matter when replacing 1746-OV32?
Series D is unfused and has revised current capability, while earlier series use nonreplaceable group fuses. Match the installed protection and loading assumptions.
Why should both common pins be wired on a heavily loaded 1746-OV32 group?
The parallel return terminals share connector current. Using both is required to reach the documented group-current capability without overloading one pin.
Can the two 1746-OV32 groups use separate supplies?
Yes, when each positive feed and switched return remain within the module’s group-isolation, voltage, current, and grounding requirements.
What connector information is needed when ordering 1746-OV32?
Provide the connector-kit or prewired-cable catalog numbers, cable length, terminal interface, and whether existing labels and field wiring will be retained.
What should be installed across inductive loads controlled by 1746-OV32?
Use load-side DC suppression compatible with the required release time and circuit voltage so inductive energy does not overstress the transistor outputs.
What changes during a 1746-OV32 migration?
The published migration path changes platform, wiring interface, addressing, and diagnostic behavior. Review the destination module, conversion hardware, and controller logic together.

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