Phoenix Contact IB IL TEMP 4-8 RTD-PAC Temperature Module

Technical Overview

8-channel RTD analog input module for 2- and 3-conductor sensors, supporting Pt, Ni, Cu, KTY types for industrial temperature measurement.

Key Features

Supports Pt, Ni, Cu, KTY sensor types according to DIN and SAMA.
8 inputs for resistive temperature sensors and linear resistors up to 20 kΩ.
Compatible with 2- and 3-conductor connection technology.
Communication via process data or parameter channel (PCP).
Channels are parameterized independently of one another via the bus system.
Robust inputs suitable for harsh industrial environments with electromagnetic interference.
Measured values can be represented in three different formats.
Offers temperature and resistance measurement in the millisecond range.
Equipped with diagnostic and status indicators.
Designed for use within an Inline station.

Technical Specification Matrix

Parameter	Value
Width	48.8 mm
Height	136.8 mm
Depth	71.5 mm
Weight	190 g (excluding packaging)
Operating Voltage	24 V DC (nominal), 19.2 V DC - 30 V DC (supply)
Logic Voltage UL	7.5 V DC
IP Rating	IP20
Ambient Temperature (Operation)	-25 °C to 55 °C
Ambient Temperature (Storage/Transport)	-25 °C to 85 °C
Permissible Air Humidity (Operation/Storage/Transport)	10 % to 95 % (according to EN 61131-2)
Air Pressure (Operation/Storage/Transport)	70 kPa to 106 kPa (up to 3,000 m above sea level)
Number of Analog Inputs	8
Sensor Types Supported	Pt, Ni, Cu, KTY according to DIN and SAMA
Input Range	Resistive temperature sensors and linear resistors up to 20 kΩ
Connection Technology	2- and 3-conductor
Communication Method	Process data or parameter channel (PCP)
Inline Local Bus Transmission Speed	500 kbps
Housing Color	Green (RAL 6021)
Mounting Type	DIN rail mounting
Physical Weight (kg)	0.252
Dimensions L x W x H (cm)	7.15 x 4.88 x 13.68

Industrial Applications

1. Industrial Furnace Temperature Monitoring

Monitoring multiple temperature zones in industrial furnaces or kilns using various RTD types (Pt, Ni, Cu) to ensure precise thermal profiles for material processing or heat treatment.

Problem Solved

Provides accurate, multi-channel temperature data from harsh, electromagnetically noisy furnace environments to a PLC, enabling closed-loop control and preventing material damage due to incorrect temperatures. The robust inputs and -25 °C to 55 °C operating range ensure reliability in demanding industrial heat treatment applications, while the 24V DC operation aligns with standard industrial control systems.

RTDPt100Pt1000multi-channeltemperature controlindustrial furnaceprocess heatingelectromagnetic interference24VDCDIN rail mounting

2. HVAC System Optimization in Commercial Buildings

Integrating the module into a building management system (BMS) to monitor air and water temperatures across 8 critical points in a large commercial HVAC system, such as supply air, return air, chilled water, and hot water loops.

Problem Solved

Centralizes precise temperature readings from diverse locations, allowing the BMS to optimize energy consumption by accurately controlling heating and cooling cycles, ensuring occupant comfort, and preventing system overloads. The IP20 rating makes it suitable for control cabinet installation within building infrastructure, and its multi-channel RTD support allows for comprehensive environmental monitoring.

HVACBMSbuilding automationtemperature monitoringenergy efficiencyRTD sensors24VDCmulti-pointcontrol cabinetIP20

3. Food and Beverage Process Temperature Verification

Deploying the module in a food processing plant to monitor temperatures at various stages of production (e.g., pasteurization, cooking, chilling) using 8 RTD sensors, ensuring compliance with food safety regulations.

Problem Solved

Offers reliable and accurate temperature data acquisition in an industrial setting, critical for validating sanitation and processing temperatures, which directly impacts product quality and consumer safety. The module's robust inputs are well-suited for a processing environment where electromagnetic interference may be present, ensuring data integrity for critical food safety parameters.

Food processingHACCPpasteurizationchillingtemperature validationRTDmulti-channelprocess control24VDCindustrial environment