1. Main Specifications| Product Type | S7-200 SMART Expansion Module | | Product Model | 6ES7288-3AM03-0AA0 | | power loss | Power loss, typical value 1.1 W | | Product Dimensions | 45 MM × 100 MM × 81 MM | | Scope of Input | The voltage is
The current is
Thermocouple No
Resistance thermometer No
Resistance No | | Weight | 172 g |
2. Key Selling PointsDedicated Temperature Input Module for S7-200 SMART:Model AI04 TC/RTD, a specialized analog input module in the SIMATIC S7-200 SMART
series—designed for direct temperature measurement using thermocouples (TC) and resistance temperature detectors
(RTD), eliminating the need for external transmitters. Built-in Cold Junction Compensation (for TC):Automatically compensates for cold junction temperature in thermocouple measurements—no external hardware required,
simplifying design and improving accuracy. Open-Circuit & Fault Diagnosis:Supports sensor wire break detection (open-circuit diagnosis) for both TC and RTD.Diagnostic status can
be read by the PLC program—enables remote alarm and maintenance. Galvanic Isolation for Strong Noise Immunity:Electrically isolates input channels from the PLC logic—protects
against EMI, ground loops, and electrical noise, ensuring stable
operation in harsh industrial environments. Flexible Engineering Unit Output:Output values can be directly configured in °C or °F via STEP 7-Micro/WIN SMART software—no manual scaling or conversion needed, simplifying
programming.
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