Allen Bradley 1771-RTP4 Remote Termination Panel

Product Introduction

The Allen-Bradley 1771-RTP4 Remote Termination Panel is a compact interface module designed for the Allen-Bradley 1771 PLC-5 I/O System. It provides a convenient means to connect remote I/O devices to the PLC rack via standardized cabling, allowing centralized control and flexible wiring layouts.

The RTP4 panel features 38 screw terminals for field wiring, along with dual 25-pin D-sub connectors (2 male and 2 female) for connection to the PLC or other remote panels. It supports the use of 1771-PSCC remote cables and includes a wiring arm accessory (1771-WF) to organize connections neatly. The module incorporates a 3 A, 250 V normal-blow fuse for protection and operates across a frequency range of 47–63 Hz.

This panel is widely used in industrial automation and process control systems, providing reliable remote termination, organized cabling, and secure electrical connections for distributed I/O modules.

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Product Specifications

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Applications

• Remote I/O termination
Provides convenient connection points for field wiring, enabling I/O devices to interface with the PLC-5 system.

• Industrial automation systems
Used to organize wiring for sensors, actuators, and input/output devices in manufacturing and process control environments.

• Process control networks
Connects remote PLC racks or modules to central control cabinets, simplifying distributed system cabling.

• Compact control panel installations
The small size and lightweight design allow integration into tight spaces and modular control panels.

• System maintenance and upgrades
Facilitates quick replacement or expansion of remote I/O wiring without affecting the main PLC rack.

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Advantages

• Organized field wiring
Provides 38 screw terminals and wiring arm support to maintain neat and efficient cabling.

• Standard connector interfaces
Dual 25-pin D-sub male and female connectors ensure reliable plug-and-play connectivity with PLC racks or other panels.

• Compact and lightweight
Small form factor and 0.23 kg weight make it easy to install in confined control cabinets.

• Remote I/O support
Enables distributed control architecture while maintaining secure electrical connections.

• Integrated fuse protection
Includes 3 A, 250 V normal-blow fuse for added electrical safety.

• Compatibility with 1771 accessories
Works with 1771-PSCC cables and 1771-WF wiring arm, ensuring seamless integration into the PLC-5 system.

FAQ

1. What is the main purpose of the 1771-RTP4 panel?
   It provides remote termination points to connect field I/O devices to the PLC-5 system.

2. How many terminals are available for wiring?
   The panel has 38 screw terminals for field connections.

3. What connectors are included on the panel?
   It features 2 × 25-pin D-sub female and 2 × 25-pin D-sub male connectors.

4. Which cables are compatible with this panel?
   It supports the 1771-PSCC remote cable, 5.5 ft in length.

5. Does the panel provide any fuse protection?
   Yes, it includes a 3 A, 250 V normal-blow fuse for electrical protection.

6. Can it be used in compact control cabinets?
   Yes, its small size and lightweight design make it suitable for tight installations.

7. How does the wiring arm help?
   The 1771-WF wiring arm organizes connections for cleaner and safer cabling.

8. What frequency range does the panel operate within?
   It operates across 47–63 Hz.

9. Is the panel compatible with all 1771 PLC-5 modules?
   Yes, it is designed to interface with standard 1771 PLC-5 I/O systems.

10. Can it simplify system maintenance or upgrades?
    Yes, the panel allows easy replacement or expansion of remote I/O wiring without disturbing the main PLC rack.

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