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- 1756-TBCH
- ControlLogix ControlNet Communication Module
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- 13.8 × 11.2 × 5.2 cm
- 0.18kg
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Industrial Technical Report – 1756-TBCH ControlLogix Removable Terminal Block Housing
Product Overview
The 1756-TBCH is a removable terminal block housing designed for ControlLogix I/O modules. It serves as the field wiring interface between ControlLogix modules and external industrial devices, providing a secure and organized connection platform for signal wiring.
This component is commonly used with digital and analog I/O modules where direct field wiring termination is required. The TBCH version is a 36-position cage clamp removable terminal block housing designed to simplify installation, maintenance, and module replacement procedures.
The module housing allows field-side wiring to remain intact during I/O module replacement, reducing system downtime and simplifying maintenance operations in industrial environments.
Brand Information
The product belongs to a globally recognized industrial automation ecosystem specializing in PLC systems, distributed I/O architectures, industrial communication technologies, and process automation solutions.
It is widely applied in:
- Industrial automation systems
- Manufacturing control systems
- Process industries
- Energy infrastructure systems
- Machine control applications
Key characteristics include:
- Removable wiring architecture
- Secure cage clamp connection design
- Fast maintenance capability
- High wiring density
- Industrial-grade durability
Product Series
ControlLogix Wiring and Terminal Accessories
The 1756-TBCH belongs to the ControlLogix removable terminal block (RTB) accessory family used for field wiring termination.
Key system features include:
- 36-position cage clamp terminals
- Removable terminal block structure
- Direct module attachment design
- High-density field wiring support
- Simplified maintenance operation
Compatible module categories include:
- Digital input modules
- Digital output modules
- Analog input modules
- Analog output modules
- Specialty I/O modules
The housing is designed for use within modular ControlLogix chassis systems.
Technical Parameters
Detailed Specification Table
| Parameter | Specification |
|---|---|
| Model | 1756-TBCH |
| Product Type | Removable Terminal Block Housing |
| Series | ControlLogix Accessories |
| Terminal Type | Cage Clamp |
| Positions | 36 terminals |
| Wiring Method | Screwless cage clamp |
| Compatible Wire Size | 0.33–2.1 mm² |
| Compatible AWG | 14–22 AWG |
| Mounting Method | Direct module attachment |
| Connection Style | Front removable connection |
| Retention Mechanism | Locking latch system |
| Insulation Material | Industrial thermoplastic |
| Conductor Type | Copper wire supported |
| Wiring Orientation | Front-access terminal wiring |
| Field Wiring Support | Yes |
| Hot Swap Support | Compatible with removable maintenance |
| Color | Black/gray industrial finish |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5%–95% non-condensing |
| Flame Rating | UL94-V0 |
| Vibration Resistance | Industrial rated |
| Shock Resistance | Industrial rated |
| Dimensions | 13.8 × 11.2 × 5.2 cm |
| Weight kg（ ） | ~0.18 kg |
Product Description
The 1756-TBCH is designed to simplify field wiring management in ControlLogix systems. It provides a removable interface between field devices and I/O modules, allowing technicians to disconnect and replace modules without disturbing field wiring.
Its cage clamp terminal structure provides secure wire retention while reducing installation time compared to traditional screw terminals. The removable design significantly improves maintenance efficiency and minimizes production downtime.
The housing is commonly installed in industrial control panels where dense and reliable signal wiring is required.
Product Applications
Industrial Automation Systems
Used in:
- PLC cabinet installations
- Automated production lines
- Machine control systems
- Material handling systems
Manufacturing Industry
Applied in:
- Automotive production systems
- Packaging machinery
- Robotics systems
- CNC automation equipment
Process Control Systems
Used in:
- Chemical processing plants
- Pharmaceutical manufacturing
- Food and beverage systems
- Water treatment facilities
Energy & Utilities
Used in:
- Power plant control panels
- Substation automation systems
- Renewable energy installations
- Utility infrastructure monitoring
Infrastructure Systems
Used in:
- Transportation control systems
- Building automation
- Public utility monitoring
- Industrial facility management
Product Advantages
1. Removable Wiring Design
Allows module replacement without disconnecting field wiring.
2. Fast Installation
Cage clamp terminals simplify wire insertion.
3. High Wiring Density
Supports 36 connection points in compact space.
4. Reduced Downtime
Maintenance can be performed quickly and efficiently.
5. Secure Wire Retention
Industrial-grade terminal clamping prevents loose wiring.
6. Industrial Durability
Designed for long-term industrial use.
Recommended Models (Same Series or Related)
ControlLogix Terminal Blocks & Accessories
| Model | Type | Function | Key Feature | Dimensions | Weight kg（ ） |
|---|---|---|---|---|---|
| 1756-TBCH | Terminal Block Housing | Cage clamp termination | 36-position removable RTB | 13.8×11.2×5.2 cm | 0.18 kg |
| 1756-TBS6H | Terminal Block | Spring clamp wiring | High-density terminal design | 13.5×11×5 cm | 0.17 kg |
| 1756-TBNH | Terminal Block Housing | Screw clamp connection | Removable screw terminal | 13.8×11.2×5.2 cm | 0.19 kg |
| 1756-TBE | Terminal Block | Extended wiring support | Enhanced wiring interface | 14×11×5 cm | 0.20 kg |
| 1756-IF16 | Analog Input Module | High-density analog input | 16-channel input module | 14.8×14.2×3.8 cm | 0.32 kg |
| 1756-OB16E | Digital Output Module | Electronic output control | 16-point DC output | 14×13.5×3.5 cm | 0.26 kg |
Recommended Popular Models (Same Platform Ecosystem)
Widely Used ControlLogix Modules
| Model | Function | Network | Role | Dimensions | Weight kg（ ） |
|---|---|---|---|---|---|
| 1756-L85E | PLC Controller | EtherNet/IP | Main processor unit | 15×14×13 cm | 0.65 kg |
| 1756-EN2TR | Ethernet Module | EtherNet/IP | Industrial communication | 13×14×12 cm | 0.48 kg |
| 5069-L320ER | Advanced PLC | EtherNet/IP | High-performance control | 13×10×9 cm | 0.54 kg |
| 1734-AENTR | I/O Adapter | EtherNet/IP | Remote I/O gateway | 7×7×7 cm | 0.20 kg |
| 1769-L36ERM | Compact PLC | Ethernet | Mid-range controller | 15×11×10 cm | 0.75 kg |
Installation Notes
Proper installation improves wiring reliability and maintenance safety.
Key requirements:
- Use compatible wire gauge sizes
- Ensure proper wire insertion depth
- Avoid excessive cable bending stress
- Confirm secure latch locking after installation
- Label field wiring for maintenance clarity
Maintenance Characteristics
- Minimal maintenance requirement
- Easy removable terminal structure
- Fast replacement capability
- High mechanical durability
- Long operational service life
Final Summary
The 1756-TBCH is a removable cage clamp terminal block housing designed for ControlLogix systems, providing organized and reliable field wiring termination for industrial I/O modules.
Its primary advantages include simplified maintenance, secure wiring retention, and fast module replacement capability, making it an essential accessory in modern industrial automation systems requiring high wiring efficiency and reduced downtime.