The 1794-TB32S Flex I/O Terminal Base Unit by Allen Bradley is a 32 I/O point terminal base unit with 8 common terminals and 8 voltage terminals. It uses a Spring-Clamp termination type and is designed for use in applications with up to 31.2 Volts DC with a 10 A maximum current capacity. It connects FLEX I/O modules to the I/O bus, has a FLEXBUS rating of 5 Volts DC and 640 mA, and provides a 2 A I/O terminal current. It has a voltage/COM terminal rating of 31.2 Volts AC/DC at 50 to 60 Hertz, with 24 Volts AC/DC working voltage, and provides 50 Volts isolation voltage between Field Wiring Terminals to FLEXBUS, using basic insulation tested at 2121 Volts DC for 60 seconds.
It utilizes a 0.34 x 3.3 millimeter (22-12 AWG) solid or stranded copper wire, with 3 wire screws used for termination purpose. The 1794-TB32S has the T4A (North America) temperature code with T4 IEC temperature codes and is enclosed in an open style casing. It has an operational temperature range between -20 to 70 degrees Celsius (-4 to 158 degrees Fahrenheit), at 5% to 95% ambient humidity, and a non-operational temperature range between -40 and 85 degrees Celsius (-40 to 185 degrees Fahrenheit). It is UL Listed for Class I, Division 2, Groups A, B, C, and D, and Hazardous Location/CE certified.
Repair Services for 1794-TB32S
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Revisions for 1794-TB32S
Please refer to the manual for more information about the 1794-TB32S such as the wiring diagrams, data sheets,
firmware information and migration or obsolescence details.
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||1794-TB32S/A, Series A, Rev A