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Rockwell Automation Publication 1794-IN092F-EN-P - November 2021
FLEX I/O Terminal Base Units Installation Instructions
ATEX temp code
For 1794-TB3G, 1794-TB3GS, 1794-TB3GSK, 1794-TB3GK, 1794-TB3, 1794-TB3K, 1794-TB3T, 1794-TB3TK, 1794-TB3S, 1794-TB3SK, 1794-
TB3TS, 1794-TB3TSK, 1794-TBN, 1794-TBNK
T4
For
1794-TB2, 1794-TB2K
T6
IECEx temp code
For
1794-TB3G, 1794-TB3GS, 1794-TB3GSK, 1794-TB3GK, 1794-TB3, 1794-TB3K, 1794-TB3T, 1794-TB3TK, 1794-TB3S, 1794-TB3SK, 1794-
TB3TS, 1794-TB3TSK, 1794-TBN, 1794-TBNK
T4
For
1794-TB2, 1794-TB2K
T6
Dimensions, approx (HxWxD) 94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.)
(with module installed in terminal base)
(1) Use this Conductor Category information for planning conductor routing. Refer to Industrial Automation Wiring and Grounding Guidelines, publication
.
Working Voltage and Isolation Voltage Ratings
Terminal Base
24V
120V
230V
Isolation Voltage
1794-TBN, 1794-TBNK, 1794-TBNF
AC/DC
AC/DC
AC/DC
Dependent upon installed module - see the
individual installation instructions for your specific
module.
1794-TB2, 1794-TB2K, 1794-TB3, 1794-TB3K, 1794-TB3S, 1794-TB3SK
AC/DC
AC/DC
1794-TB3T, 1794-TB3TS, 1794-TB3TK, 1794-TB3TSK
AC/DC
AC/DC
1794-TB3G, 1794-TB3GK, 1794-TB3GS, 1794-TB3GSK
AC/DC
1794-TB32, 1794-TB32K, 1794-TB32S, 1794-TB32SK
AC/DC
Environmental Specifications
Attribute
Value
Operating temperature
IEC 60068-2-1 (Test Ad, Operating Cold),
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock):
For
1794-TB3G, 1794-TB3GS, 1794-TB3GSK, 1794-TB3GK, 1794-TB3, 1794-TB3K, 1794-TB3T, 1794-TB3TK, 1794-
TB3S, 1794-TB3SK, 1794-TB3TS, 1794-TB3TSK, 1794-TB32, 1794-TB32K, 1794-TB32S, 1794-TB32SK, 1794-TBN,
1794-TBNK
-20…+70 °C (-4…+158 °F)
For 1794-TBNF, 1794-TBNFK, 1794-TB2, 1794-TB2K
-20…+55 °C (-4…+131 °F)
Nonoperating temperature
IEC 60068-2-1 (Test Ab, Unpackaged nonoperating Cold),
IEC 60068-2-2 (Test Bb, Unpackaged nonoperating Dry Heat),
IEC 60068-2-14 (Test Na, Unpackaged nonoperating Thermal Shock):
-40…+85 °C (-40…+185 °F)
Relative humidity
IEC 60068-2-30 (Test Db, Unpackaged Damp Heat):
5…95% noncondensing
Vibration
IEC 60068-2-6 (Test Fc, Operating):
5 g @ 10…500 Hz
Operating shock
IEC 60068-2-27 (Test Ea, Unpackaged Shock):
30 g
Nonoperating shock
IEC 60068-2-27 (Test Ea, Unpackaged Shock):
50 g
General Specifications (Continued)
Attribute
Value
