Allen Bradley 1794-TB32 is a basic unit of Flex I/O terminal produced by Rockwell Automation. The following is a detailed introduction of the product:
1、 Basic attributes
Brand: Allen Bradley, affiliated with Rockwell Automation.
Model: 1794-TB32.
Origin: United States.
Structural form: modular.
Installation method: Control room installation.
2、 Technical specifications
Working voltage:
It is usually described as 24V DC/AC, but there are also references to a power supply voltage range that can support 31.2V DC/AC.
Another theory suggests that its operating voltage can be 220V, AC220V, or DC24V.
Output frequency: 24kHz (but this specification is more related to specific types of modules rather than the base unit itself).
I/O point count: As a terminal base unit, it supports a 32 point I/O connection capacity, with 8 common terminals and 8 voltage terminals.
Isolation voltage: 50V continuous (between the system and the field side).
Current capacity: 10A.
FLEXBUS rated value: 640 mA, DC 5V.
Rated value of I/O terminal: 2A.
V/COM terminal rating: 31.2V for DC/AC at 50 to 60 Hertz.
Terminal screw torque: 0.56-0.79 Newton meters.
Size: Approximately 94 x 94 x 69 millimeters (3.7 x 3.7 x 2.7 inches), or described as 8 x 8 x 5 inches (shipping size may vary depending on packaging).
Power consumption: The power consumption varies under different conditions, for example, the power consumption at 6.31V DC is 2 watts, while under other conditions it may be 7.5 watts or 33.6 watts (which may include the overall power consumption of the entire system or module).
3、 Functional Features
A terminal base unit designed specifically for 32 point modules, providing connection points for input/output wiring.
It has IEC T4 and T4A (North America) temperature codes and comes with an open housing.
The working temperature range is -20 to 70 degrees Celsius (-4 to 58 degrees Fahrenheit), and the storage temperature range is -40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit).
The working humidity range is 5% to 95%, with no condensation.
After testing, it can maintain performance within the standard specification range under the working vibration of 5G and the impact level of 30G.
Already certified by C-UL-US and CSA.
4、 Application scenarios
As part of the Flex I/O system, Allen Bradley 1794-TB32 is widely used in various automatic control systems and processes. It can be installed together with Flex I/O communication adapters (such as Ethernet, control networks, remote I/O, and other adapters) to integrate field instruments and electrical equipment (such as button devices, limit switches, proximity sensors, etc.) with automatic control systems.
5、 Compatibility
Compatible with the 1794 series Flex I/O communication adapter and various terminal bases (such as 1794-TB32S, 1794-TB62DS, 1794-TB62EXD4X15, etc.).
Supports high-density input channels, such as the 1794-IB32 Flex I/O DC digital input module.
In summary, Allen Bradley 1794-TB32 is a powerful, flexible, and reliable Flex I/O terminal basic unit, suitable for various application scenarios in automatic control systems and processes.
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