AB 1794-TB32
AB 1794-TB32
AB 1794-TB32
AB 1794-TB32
AB 1794-TB32
AB 1794-TB32
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1794-TB32

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Allen-Bradley 1794-TB32 is a Series A FLEX I/O cage-clamp terminal base for 32-point modules with two field-power groups.
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Technical specifications for 1794-TB32

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1794-TB32
  • Product Family:
    Flex I/O
  • Product Type:
    32-Point Cage-Clamp Terminal Base
  • Stock:
    1
  • Signal terminals:
    Inputs/outputs 0...31
  • Field-power groups:
    Two: +V1/COM1 and +V2/COM2
  • V/COM rating:
    31.2 V DC/AC, 50/60 Hz, 10 A
  • Isolation capability:
    50 V continuous maximum, field wiring to FLEXBUS, or the lower installed-module limit
  • Wire size:
    0.21...1.3 mm2 stranded copper, 24...16 AWG, 105 °C or greater
  • Terminal screw torque:
    0.56...0.79 N m
  • Operating temperature:
    -20...70 °C
  • Storage temperature:
    -40...85 °C
  • Relative humidity:
    5...95%, noncondensing
  • Dimensions:
    9.4 x 9.4 x 6.9 cm
  • Tariff Code:
    8536901100
  • Country of origin:
    Singapore
  • 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 Terminal Layout Electrical Ratings Installation Application
  • Provides 32 signal terminals for compatible high-density FLEX I/O modules
  • Separates field power into +V1/COM1 and +V2/COM2 terminal groups
  • Uses cage-clamp terminals for 24...16 AWG stranded copper conductors

1794-TB32 is an Allen-Bradley FLEX I/O cage-clamp terminal base for compatible 32-point modules.

It provides signal terminals 0 through 31, two field-power groups, a 31.2 V DC/AC V/COM rating, and a 10 A terminal-base current rating.

Before installation or replacement, verify Series A, the installed module catalog number, terminal-group wiring, field voltage, conductor size, screw torque, DIN-rail assembly, and the recorded terminal map.

Availability, condition, price, and shipping time for 1794-TB32 are confirmed during quotation.

Allen-Bradley 1794-TB32 32-Point Cage-Clamp Terminal Base 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.

  • Signal connections are identified as inputs or outputs 0 through 31
  • +V1 uses terminals 35, 37, 39, and 41 while COM1 uses terminals 36, 38, 40, and 42
  • +V2 uses terminals 43, 45, 47, and 49 while COM2 uses terminals 44, 46, 48, and 50
  • V and COM terminals are rated 31.2 volts DC or AC at 50 or 60 hertz
  • The terminal base current rating is 10 amperes
  • Isolation capability is 50 volts continuous maximum or the lower rating of the installed module
  • Cage-clamp terminals accept 0.21 to 1.3 square millimetre stranded copper conductors
  • Specified conductors are 24 to 16 AWG and rated 105 degrees Celsius or greater
  • Terminal screw torque is 0.56 to 0.79 newton-metres
  • Field termination for the FLEX I/O 1794-IV32 sourcing input module
  • Field termination for the FLEX I/O 1794-OB32P sourcing output module
  • Field termination for the FLEX I/O 1794-IB16XOB16P combination module
Description

1794-TB32 is an Allen-Bradley FLEX I/O 32-point cage-clamp terminal base for high-density distributed-I/O modules.

The base provides signal terminals 0 through 31, two separate +V/COM field-power groups, a 31.2 V DC/AC rating, and cage-clamp termination for 24...16 AWG stranded copper conductors.

Before installation or replacement, confirm the complete catalog number, Series A hardware, compatible FLEX I/O module, terminal map, field voltage, current, conductor rating, torque, DIN-rail fit, and enclosure.

Revisions

Revision Part #

Also known as

1794-TB32 Ser A
1794-TB32/A, Series A, Rev A
Alternative Names
1794-TB32 1794TB32 1794 TB32 Allen-Bradley 1794-TB32 Rockwell Automation 1794-TB32 AB 1794-TB32 FLEX I/O 1794-TB32
Technical notes
1794-TB32 is the 32-point cage-clamp terminal base; verify Series A, compatible module catalog number, power-group separation, 31.2 V rating, 10 A limit, conductor specification, terminal torque, and enclosure 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.
How can I confirm that an I/O module fits Allen-Bradley 1794-TB32?
Check the exact FLEX I/O module installation instructions for 1794-TB32 compatibility and the required keyswitch position; not every FLEX I/O module uses this terminal base.
Which DIN rail is specified for Allen-Bradley 1794-TB32?
Use a 35 × 7.5 mm DIN rail, such as Allen-Bradley 199-DR1, installed on a properly grounded mounting surface.
How should a row of Allen-Bradley 1794-TB32 bases be secured?
Install 1492-EA35 end anchors at both ends of the FLEX I/O assembly so the connected terminal bases cannot slide along the DIN rail.
Why must the keyswitch be set before installing a module on Allen-Bradley 1794-TB32?
The keyswitch mechanically matches the terminal base to the intended I/O module. Set it to the position published for the exact module before seating the module.
Which Allen-Bradley 1794-TB32 terminals are reserved rather than field-wiring points?
Terminals 16, 33, 34, and 51 are reserved in the documented terminal arrangement. Follow the exact module wiring diagram before assigning any conductor.
Can the I/O module be removed while field wiring remains on Allen-Bradley 1794-TB32?
Yes. The removable FLEX I/O module separates from the terminal base, allowing field wiring to remain terminated. Observe the published power and hazardous-location precautions.
What enclosure is required for Allen-Bradley 1794-TB32 in Zone 2 service?
For ATEX Zone 2 applications, install the assembly in a suitable enclosure providing at least IP54 protection and meeting the applicable installation requirements.

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