About Siemens S7-200 Smart 2AI RTD Module

Siemens S7-200 Smart 2AI RTD Module

The Siemens S7-200 Smart 2AI RTD Module is designed to provide reliable and accurate temperature measurements in industrial automation systems. This module supports two analog inputs for RTD (Resistance Temperature Detector) sensors, enabling precise temperature control and monitoring in various applications. Ideal for integration with the Siemens S7-200 Smart PLC, the module is perfect for applications requiring high-quality temperature sensing and control.

Key Features:

• 2 Analog Inputs for RTD Sensors: The module supports two RTD sensor inputs, allowing for accurate and efficient temperature monitoring.

• High Accuracy: Provides high-precision temperature measurement, ensuring reliable control in temperature-sensitive processes.

• Easy Integration: Seamlessly integrates with Siemens S7-200 Smart PLC, providing smooth operation without complex configurations.

• Wide Application Range: Suitable for temperature measurement in various industrial applications, including heating, ventilation, and air conditioning (HVAC), process control, and more.

• Compact and Efficient Design: The module's compact size allows for space-saving installation in tight control cabinets, optimizing space utilization.

• Industrial-Grade Reliability: Designed to perform in harsh industrial environments, offering durability and long-term stability.

Applications:

• Temperature Measurement: Ideal for monitoring temperature in industrial processes, HVAC systems, and machinery.

• Process Control: Used for controlling temperature-dependent processes, ensuring accuracy and consistency in industrial automation systems.

• Heating and Cooling Systems: Perfect for temperature regulation in heating, cooling, and air conditioning applications.

Technical Specifications:

• Input Type: RTD (Resistance Temperature Detector)

• Number of Inputs: 2 Analog Inputs

• Accuracy: High-precision temperature measurement

• Integration: Compatible with Siemens S7-200 Smart PLC systems

• Design: Compact, efficient, and space-saving

• Environmental Suitability: Designed for industrial environments, ensuring reliability and durability

Data Sheet 6ES7288-3AR02-0AA0

SIMATIC S7-200 SMART Analog Input SM AR02 RTD 2x AI RTD modules (Resistance Thermometer)

General Information

• Product type designation: SM AR02, AI RTD 2x16 bit

• CiR (Configuration in RUN): No

• Reparameterization in RUN: Not possible

Supply Voltage

• Type: DC

• Rated value: 24 V DC (-15% / +20%)

Input Current

• Typical consumption: 40 mA

• From backplane bus 5 V DC: 80 mA

Power Loss

• Typical: 1.5 W

Analog Inputs

• Number of inputs: 2 (Resistance thermometer)

• Permissible input voltage (destruction limit): 30 V

• Temperature unit adjustable: Yes (C / F)

Input Ranges

• Voltage: No

• Current: No

• Thermocouple: No

• Resistance thermometer: Yes (Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000)

• Resistance: Yes (48 , 150 , 300 , 600 , 3 000 )

Rated Values (Resistance Thermometer / Resistors)

Analog Outputs

• Number of outputs: 0

Analog Value Generation

• Measurement principle: Sigma Delta

• Resolution: 15 bit (with overrange), 15 bit + sign for other ranges

• Integration time (parameterizable): 10 / 16.67 / 20 / 100 ms

• Interference voltage suppression: 10 / 50 / 60 / 400 Hz

• Smoothing of measured values: Parameterizable (4 levels via digital filtering)

  • Step None: 1

  • Step Low: 4

  • Step Medium: 16

  • Step High: 32

Degree of Protection

• IP rating: IP20

Standards & Approvals

• CE mark: Yes

Dimensions

• Width: 45 mm

• Height: 100 mm

• Depth: 81 mm

Weight

• Approx.: 148.7 g 

Technical Details