Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 1756‑TBS6H/A (often referenced as 1756‑TBS6H) |
| Manufacturer | Allen‑Bradley (Rockwell Automation) |
| Product Type | Removable Spring‑Clamp Terminal Block |
| Number of Positions | 36 pins (typically used with 6‑channel or higher density modules) |
| Termination Type | Spring‑clamp (cage clamp) |
| Compatible Wire Size | 0.5 – 2.5 mm² (AWG 20‑12); some sources specify 36‑18 AWG |
| Wire Type | Solid or stranded (stranded recommended with ferrules) |
| Maximum Voltage | 300 V AC / 30 V DC (dependent on connected I/O module rating) |
| Operating Temperature | 0 to 60 °C (32 to 140 °F) |
| Dimensions (H × W × D) | Approx. 4.8 × 5.4 × 13.2 cm |
| Weight | Approx. 0.11 kg |
Main Features and Advantages
Fast, Vibration‑Resistant Connections: The spring‑clamp mechanism provides constant pressure on the conductor, ensuring a reliable connection even in high‑vibration environments (e.g., packaging machinery, material handling). It eliminates the need for torque screwdrivers and reduces installation time by allowing quick wire insertion with a standard screwdriver.Hot‑Swap Maintenance Capability: As a removable terminal block, the 1756‑TBS6H/A allows you to pre‑wire the block offline. During module replacement, you can disconnect the entire block from the faulty module and plug it into the new one without touching the field wiring, drastically reducing system downtime.Wide Compatibility: This 36‑pin block is compatible with a broad range of ControlLogix I/O modules, including high‑density digital I/O (e.g., 32‑point modules) and analog modules that utilize the standard 36‑pin connector. It is a versatile accessory for expanding or maintaining existing ControlLogix systems.
Application Field
The 1756‑TBS6H/A is used wherever ControlLogix systems require efficient and reliable field wiring. It is particularly beneficial in discrete manufacturing (automotive, packaging) where vibration resistance and quick maintenance are critical. It is also common in process industries (chemical, water treatment) for connecting analog sensors and digital valves, leveraging its ability to maintain signal integrity in electrically noisy environments.
Related Products
1756‑TBNH – The standard screw‑type removable terminal block for ControlLogix; an alternative for users who prefer traditional screw terminations.1756‑TBCH – Another 36‑pin spring‑clamp terminal block variant with slightly different housing features.1756‑IF6I / 1756‑IR6I – Example analog input modules that often utilize the 1756‑TBS6H terminal block for field connections.
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