Siemens SIMATIC S7-200 SMART SB AR02 - 6ES7288-3AR02-0AA0 | 2-Channel RTD Input

FAQ Section 

• Q: Can I use Thermocouples with the SB AR02?

  • A: No, this board is specifically for RTDs (Resistance type). For Thermocouples, you would need the SB TC02 (6ES7288-3AT02-0AA0).

• Q: Does it support 2-wire, 3-wire, or 4-wire RTD sensors?

  • A: Yes, it supports different wiring configurations to compensate for lead-wire resistance, ensuring accurate readings over long distances.

• Q: How do I configure the sensor type?

  • A: You simply select the sensor type (e.g., Pt100) in the System Block of the STEP 7-Micro/WIN SMART software.