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Allen Bradley 1771-RTP1 PLC-5 RTD Input Module - 4 Channels

Allen Bradley 1771-RTP1 PLC-5 4-channel RTD input module.

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ManufacturerAllen Bradley

Part number1771-RTP1

Input Type RTD (Pt100, Pt1000)

Number of Channels 4

Resolution 14-bit

Isolation Optical

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4 analog input channels for RTDs Supports Pt100 and Pt1000 sensors 14-bit analog-to-digital conversion Optical isolation High accuracy and reliability Designed for PLC-5 systems

Product description

The Allen Bradley 1771-RTP1 is an analog input module designed for the PLC-5 system, specifically for reading Resistance Temperature Detector (RTD) signals. It features 4 input channels, allowing for simultaneous monitoring of temperatures from multiple RTD sensors.

This module is widely used in industrial applications where precise temperature measurement is required, such as in chemical processing, food and beverage, pharmaceuticals, and energy management systems. It integrates seamlessly with the PLC-5 for temperature control and data logging.

Stanlo Automation, a veteran-owned surplus distributor, provides the 1771-RTP1 module, ensuring you have access to essential components for your temperature sensing needs. Our tested surplus parts help maintain operational continuity and efficiency in your industrial facilities.

Technical specifications

Input Type	RTD (Pt100, Pt1000)
Number of Channels	4
Resolution	14-bit
Isolation	Optical
PLC Series	PLC-5
Signal Type	Analog

Common applications

Temperature monitoring

Industrial process control

HVAC systems

Food & beverage processing

Pharmaceutical manufacturing

Plastics extrusion

Energy sector

Compatible systems

PLC-5 Processors PLC-5 Chassis (e.g., 1771-A1B, 1771-A2B, 1771-A3B, 1771-A4B)

Also known as

1771RTP1, Allen Bradley PLC-5 RTD Input, PLC-5 1771-RTP1, AB 1771-RTP1

Replaces / compatible with

The 1771-RTP1 is a direct replacement for older Allen-Bradley RTD input modules in the PLC-5 series and is compatible with all standard PLC-5 chassis.

Technical note

Expert tip

Ensure the correct lead configuration (2-wire, 3-wire, or 4-wire) is used for RTD connection to achieve optimal accuracy. Use shielded twisted-pair wiring to minimize noise pickup.

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Frequently asked questions

Can the Allen Bradley 1771-RTP1 module connect to thermocouple sensors?

No, the 1771-RTP1 module is specifically designed for Resistance Temperature Detector (RTD) sensors, such as Pt100 and Pt1000. For thermocouple inputs, you would need a different module like the 1771-RT44A.