Description
A-B 1756-TBNH-A data collection module wiring terminal
A-B-1756-TBNH-A
The 1756 – TBNH – A is specifically crafted to interface with 1756 I/O modules, acting as a bridge between these modules and the industrial plant wiring. This connection is far from trivial, as it ensures the seamless flow of signals, whether they are digital inputs from sensors detecting the status of machinery or analog outputs controlling the operation of actuators. By providing a reliable and easy – to – manage connection point, it enables industrial operators to focus on the core processes of their plants rather than grappling with complex wiring setups.
| Label |
Specification |
| Model Number |
1756 – TBNH – A |
| Brand |
Allen – Bradley (Rockwell Automation) |
| Type |
Removable Terminal Block (RTB) Module |
| Mounting |
Plugs into the front of 1756 I/O modules |
| Number of Positions |
20 – position NEMA screw – clamp |
| Wire Compatibility |
Accepts solid or stranded copper wire of 0.33 – 2.1 mm² (22 – 14 AWG), all of the same type (no mixing of solid and stranded) |
| Rated Temperature for Wiring |
90 °C (194 °F) or higher |
| Maximum Insulation Thickness for Wiring |
1.2 mm (3/64 inch) |
| Screw Torque |
1.36 Nm |
| Maximum Screwdriver Width |
8 millimeters (5/16 inches) |
| Dimensions |
5.51 x 4.41 x 5.71 inches |
| Weight |
0.3 pounds |
| Operating Temperature |
0 – 60 °C |
| Operating Shock |
Can withstand 30g working shock |
| Backplane Current (5 volts) |
1200 milliamps |
| Backplane Current (24 volts) |
2.5 milliamps |
| Power Dissipation (max) |
6.19 watts |
The Allen – Bradley 1756 – TBNH – A is engineered with functionality and durability in mind. Its 20 – position NEMA screw – clamp design allows for a secure and stable connection of wires. The ability to use either solid or stranded wires within the specified gauge range provides flexibility in wiring choices, although it’s important to note that only one type of wire can be used throughout the terminal block. This design choice ensures consistent electrical conductivity and mechanical stability, reducing the risk of loose connections that could lead to signal interference or equipment malfunctions.
A-B-1756-TBNH-A
The module’s physical dimensions and weight make it compact and easy to handle during installation. It can be quickly plugged into the front of 1756 I/O modules, simplifying the overall installation process. The relatively low power dissipation of 6.19 watts ensures energy – efficient operation, which is beneficial for long – term use in industrial settings where power consumption can significantly impact operating costs.
Moreover, its robust build quality enables it to withstand the harsh conditions often found in industrial environments. With an operating temperature range of 0 – 60 °C and the ability to endure 30g working shock, the 1756 – TBNH – A can maintain its performance even in the face of vibrations, temperature fluctuations, and other mechanical stresses. This reliability is crucial in applications such as manufacturing plants, where equipment needs to operate continuously without interruption.
A-B-1756-TBNH-A
In manufacturing industries, especially those with large – scale automated production lines, the Allen – Bradley 1756 – TBNH – A is extensively used. For example, in an automotive manufacturing plant, where hundreds of sensors and actuators are used to control the assembly process, the 1756 – TBNH – A provides a reliable connection point for the I/O modules that interface with these devices. It ensures that signals from sensors detecting the position of robotic arms or the presence of parts are accurately transmitted to the control system. Simultaneously, it enables the control system to send commands to actuators that operate conveyor belts, robotic grippers, and other equipment. By providing a stable and easy – to – manage connection, it helps in reducing the downtime associated with wiring – related issues, thereby increasing overall production efficiency.
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