Description
The Allen Bradley 1797-TB3 I/O Terminal Base Module is a highly reliable and versatile component designed for use in ControlLogix and FlexLogix systems. It serves as an interface between the I/O modules and the controller, ensuring seamless data communication and power distribution. With robust construction and efficient performance, the 1797-TB3 is well-suited for a variety of industrial automation applications.
Features
Robust Construction:
Built to withstand harsh industrial environments with a wide operating temperature range and high durability.
Flexible Mounting Options:
Supports both DIN rail and panel mounting, providing versatility during installation.
Enhanced Safety:
Includes features to ensure safe and reliable operation in hazardous locations, meeting rigorous industrial standards.
Efficient Communication:
Facilitates quick and accurate data exchange between connected devices, optimizing system performance.
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Technical Specifications for 1797-TB3
|
Brand |
Allen-Bradley / Rockwell Automation |
|
Series |
FLEX Ex I/O |
|
Part number |
1797-TB3 |
|
Number of terminals |
1 row of 16, 2 rows of 18 |
|
Terminal screw torque |
0.8 to 1 N-m (7 to 9 pounds per inch) |
|
Isolation voltage |
Channel-to-channel isolation, determined by inserted module |
|
Relative humidity |
5 to 95% (non-condensing) |
|
Operating shock |
15 grams peak acceleration with 11 milliseconds pulse width |
|
Operating vibration |
2 grams at 10 to 500 Hertz per IEC 68-2-6 |
|
Operating temperature |
-20 to 70 degrees Celsius (-4 to 158 degrees Fahrenheit) |
|
Storage temperature |
-40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit) |
About 1797-TB3
The catalog number 1797-TB3 is used for a FLEX Ex I/O terminal base unit made by Allen-Bradley/Rockwell Automation. The terminal base has a screw-cage design which allows for an easy and quick installation process. The unit supports mounting on a DIN rail and it is designed for use with systems installed in hazardous locations. The 1797-TB3 terminal base unit has mounting dimensions of 94 x 94 x 69 millimeters (3.7 x 3.7 x 2.7 inches) and it also supports mounting on a wall or on a panel. The manufacturer provides an optional mounting kit for panel or wall mounting.
The 1797-TB3 terminal base unit supports 1 row of 16 terminals or 2 rows of 18 terminals. The terminal screw torque of the 1797-TB3 is 0.8 to 1 N-m (7 to 9 pounds on an inch). The unit has a channel-to-channel isolation which is determined by an inserted module and it uses 12-gauge or 4 square-millimeter stranded wire. The approximate weight of the 1797-TB3 unit is 200 grams or 0.4 pounds. This terminal base is tested for operating shock of 15 g peak for 11 milliseconds. The tested vibration of the unit would be 2 g at 10 to 500 Hertz per the IEC 68-2-6 standards. This terminal base is IECEx, CENELEC, UL, C-UL, FM, and INMETRO certified. The unit is not field-repairable. It can host 36 wiring connections. The 1797-TB3 terminal base unit has a tab cover that is used for the connection of the backplane bus. This terminal base does not support non-intrinsically safe signals.
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