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Home > Industrial Equipment & Components > Other Equipment & Components > Allen-Bradley Micro850 Series PLC I/O Module 2085-IRT4

Allen-Bradley Micro850 Series PLC I/O Module 2085-IRT4

Product Spotlights

The Allen-Bradley 2085-IRT4 is a 4-channel isolated RTD input module for Micro850 PLCs. It ensures accurate temperature measurement with channel-to-channel and bus isolation for system safety. Supports multiple RTD types (Pt100, Ni120, etc.) and 2/3/4-wire connections. Enables precise process control, reduces downtime, and simplifies system expansion within the trusted Rockwell Automation ecosystem.

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

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Brand:

Allen-Bradley (Rockwell Automation)

Model:

2085-IRT4

Compatible Series:

Micro850 Programmable Logic Controller

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Rossonix Co.,limited

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
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Brand Allen-Bradley (Rockwell Automation)

Model 2085-IRT4

Compatible Series Micro850 Programmable Logic Controller

Module Type Isolated RTD (Resistance Temperature Detector) Input

Number of Channels 4 channels

Isolation Type Channel-to-channel and channel-to-bus isolation

Input Type 2-wire, 3-wire, or 4-wire RTD support

RTD Types Supported Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Cu10

Application Industrial process temperature monitoring and control

As a trusted supplier in the industrial automation sector since 2011, Rossonix Co., Limited is proud to offer genuine Allen-Bradley components, including the 2085-IRT4 Isolated RTD Input Module. Designed specifically for the Micro850 Series Programmable Logic Controllers, this module provides a reliable and precise solution for integrating temperature sensing directly into your control system. We understand the critical need for accurate process data and robust connectivity in industrial environments. This module delivers exactly that, enabling seamless integration of RTD sensors to monitor temperature variables with high accuracy, which is essential for maintaining product quality, process efficiency, and operational safety.

Core Features & Technical Advantages:

High-Precision Temperature Measurement: The 2085-IRT4 module is engineered for accurate acquisition of temperature signals from various RTD types, ensuring reliable data for critical control decisions.
Enhanced System Safety and Stability: It features channel-to-channel and channel-to-bus isolation. This design protects the sensitive PLC backplane from electrical noise, ground loops, and potential voltage transients present in field wiring, significantly improving system reliability.
Wiring Flexibility: Supports 2-wire, 3-wire, and 4-wire RTD connection methods. This flexibility allows for integration with existing sensor installations and helps compensate for lead wire resistance, improving measurement accuracy, especially with 3-wire and 4-wire configurations.
Broad Sensor Compatibility: The module is pre-configured to work with a wide range of standard RTD types and resistances, including Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, and Cu10, covering most industrial application needs.
Seamless Micro850 Integration: As a dedicated expansion module, it plugs directly into the Micro850 controller. Configuration and programming are performed within the familiar Connected Components Workbench (CCW) software environment, streamlining setup and maintenance.
Compact and Rugged Design: Built to withstand the vibrations, electrical noise, and temperature variations typical of industrial settings, ensuring long-term performance.

Technical Specifications:

Parameter	Specification
Product Model	2085-IRT4
Compatible Controller	Allen-Bradley Micro850 PLC Series
Function	Isolated RTD (Resistance Temperature Detector) Input
Number of Input Channels	4
Supported RTD Types	Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Cu10
Wiring Support	2-wire, 3-wire, and 4-wire RTD connections
Isolation	Channel-to-channel and channel-to-bus
Resolution	High resolution suitable for precise temperature control
Configuration Software	Rockwell Automation Connected Components Workbench (CCW)

Benefits for Your Operation:

Improved Process Control: Accurate temperature feedback allows for tighter control loops, optimizing processes like heating, cooling, and chemical reactions, leading to better product consistency and reduced waste.
Reduced Downtime: The isolated design minimizes the risk of faults spreading from the field to the controller, enhancing overall system uptime and reducing maintenance costs.
Simplified System Expansion: Easily add temperature monitoring points to your Micro850 system without complex external signal conditioning equipment.
Future-Proof Investment: Compatibility with industry-standard RTDs and Allen-Bradley's ecosystem ensures the module remains a viable part of your automation architecture for years to come.

Rossonix Co., Limited brings over a decade of experience and a commitment to quality, backed by ISO9001 and ISO9000 certifications in our operations. With an annual export value in the range of US$5 Million to US$10 Million and a presence across global markets including North America, Europe, and Asia, we have established a reliable supply chain. We ship from major ports like Shenzhen and Hong Kong, ensuring timely delivery. When you source the Allen-Bradley 2085-IRT4 module from us, you are not just purchasing a component; you are gaining a partner dedicated to supporting your industrial automation needs with genuine products and professional service. Contact us today to discuss how this module can enhance your control system's capabilities.

Frequently Asked Questions (FAQ)

Q: What is the primary function of the 2085-IRT4 module?
A: Its primary function is to provide four isolated input channels for connecting Resistance Temperature Detector (RTD) sensors to an Allen-Bradley Micro850 PLC, converting the sensor's resistance change into a digital temperature value the controller can use.
Q: Can I use this module with RTD sensors from different manufacturers?
A: Yes, absolutely. The module is compatible with standard RTD types (e.g., Pt100, Ni120) regardless of the manufacturer, as long as the sensor's specifications (type, resistance, wiring) match the module's supported configurations.
Q: What is the advantage of having "isolated" inputs?
A: Isolation creates an electrical barrier between each input channel and between the channels and the PLC's communication bus. This prevents electrical noise, voltage spikes, or ground potential differences in the sensor circuits from damaging the PLC or causing measurement errors, ensuring signal integrity and system safety.
Q: Does the module support 2-wire, 3-wire, and 4-wire RTD connections?
A: Yes, the 2085-IRT4 supports all three wiring methods. The 3-wire and 4-wire configurations are generally preferred for higher accuracy as they can compensate for the resistance of the lead wires.
Q: What software is needed to configure this I/O module?
A: Configuration is done using Rockwell Automation's Connected Components Workbench (CCW) software. Within CCW, you can set parameters like the RTD type, wiring method, filter settings, and scaling for each channel.
Q: How many 2085-IRT4 modules can I add to a single Micro850 controller?
A: The maximum number of expansion modules depends on the specific Micro850 controller model and its I/O capacity. You will need to consult the Micro850 user manual or configuration guide to determine the exact limit for your hardware setup.
Q: Is technical documentation available for this product?
A: Comprehensive technical documentation, including user manuals, installation instructions, and specifications, is available from Rockwell Automation's official website. As a supplier, we can also assist in guiding you to the correct resources.
Q: What is your lead time and packaging for this item?
A: Lead times vary based on stock availability. We typically ship in original manufacturer packaging to ensure product safety. For specific delivery estimates to your region, please contact our sales team with your location details.