The Allen Bradley 1771-RTP4 is a PLC-5 series remote termination panel (RTP) designed for the 1771 I/O platform. It is used to simplify field wiring connections for analog input modules, providing a structured termination interface between field devices and PLC-5 analog I/O modules.
This panel is typically used with high-resolution analog input systems, helping reduce wiring complexity, improve maintenance efficiency, and enhance signal organization in industrial control cabinets.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Catalog Number | 1771-RTP4 |
| Module Type | Remote Termination Panel |
| System Family | PLC-5 / 1771 I/O |
| Supported I/O Modules | Analog input (high-resolution series) |
| Channel Capacity | up to 8 I/O module connections |
| Signal Types | Current and voltage inputs |
| Thermocouple Support | Not supported |
| Cold Junction Compensation | Not available |
| Wiring Interface | 25-pin D-sub / terminal interface system |
| Mounting Type | DIN rail / panel mount |
| Connection Style | Straight-through field wiring |
| Fuse Requirement | External protection required depending on circuit |
| Backplane Dependency | Works with 1771 analog module systems |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Weight | ~0.2 kg |
| Dimensions (L×W×H) | 115 mm × 317 mm × 160 mm |
System Role Overview
The 1771-RTP4 is not an I/O module itself, but a field wiring interface accessory for PLC-5 analog systems. It is designed to improve installation efficiency and reduce direct wiring strain on 1771 analog modules.
Core functions include:
- Simplifying analog field wiring connections
- Providing structured termination for I/O signals
- Supporting up to 8 analog I/O module connections
- Enabling easier module replacement without rewiring field devices
- Improving signal organization in control cabinets
It is commonly paired with high-resolution analog input modules in PLC-5 systems.
Recommended Related Modules
| Model | Function |
|---|---|
| 1771-IFE | Analog input module |
| 1771-IFF | High-resolution analog input module |
| 1771-IXE | Thermocouple/mV input module |
| 1771-IR | RTD input module |
| 1771-IFM | Fast analog input module |
| 1771-ASB | Remote I/O adapter |
Popular Allen Bradley PLC-5 Modules
| Model | Function |
|---|---|
| 1785-L40B | PLC-5 processor module |
| 1771-A4B | 16-slot I/O chassis |
| 1771-DMC | Communication module |
| 1771-SN | Remote I/O scanner module |
| 1771-OBD | DC output module |
