| SIMATIC S7-200 SMART, Analog input SM AR02 RTD, 2x AI RTD modules |
| General information |
| Product type designation | SM AR02, AI RTD 2x16 bit |
| CiR – Configuration in RUN |
| Reparameterization possible in RUN | No |
| Supply voltage |
| Rated value (DC) | |
| 24 V DC | Yes; -15 / +20 % |
| Input current |
| Current consumption, typ. | 40 mA |
| from backplane bus 5 V DC, typ. | 80 mA |
| Power loss |
| Power loss, typ. | 1.5 W |
| Analog inputs |
| Number of analog inputs | 2; Resistance thermometer |
| permissible input voltage for voltage input (destruction limit), max. | 30 V |
| Technical unit for temperature measurement adjustable | Yes; Degrees Celsius/degrees Fahrenheit |
| Input ranges |
| Resistance thermometer | Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| Resistance | Yes; 48 Ω,150 Ω, 300 Ω, 600 Ω, 3000 Ω, |
| Input ranges (rated values), resistance thermometer |
| Cu 10 | Yes |
| Input resistance (Cu 10) | 10 Ω |
| Ni 100 | Yes |
| Input resistance (Ni 100) | 100 Ω |
| Ni 1000 | Yes |
| Input resistance (Ni 1000) | 1 000 Ω |
| LG-Ni 1000 | Yes |
| Input resistance (LG-Ni 1000) | 1 000 Ω |
| Ni 120 | Yes |
| Input resistance (Ni 120) | 120 Ω |
| Ni 200 | Yes |
| Input resistance (Ni 200) | 200 Ω |
| Ni 500 | Yes |
| Input resistance (Ni 500) | 500 Ω |
| Pt 100 | Yes |
| Input resistance (Pt 100) | 100 Ω |
| Pt 1000 | Yes |
| Input resistance (Pt 1000) | 1 000 Ω |
| Pt 200 | Yes |
| Input resistance (Pt 200) | 200 Ω |
| Pt 500 | Yes |
| Input resistance (Pt 500) | 500 Ω |
| Input ranges (rated values), resistors |
| 0 to 48 ohms | Yes |
| 0 to 150 ohms | Yes |
| 0 to 300 ohms | Yes |
| 0 to 600 ohms | Yes |
| 0 to 3000 ohms | Yes |
| Analog value generation for the inputs |
| Measurement principle | Sigma Delta |
| Integration and conversion time/resolution per channel |
| Resolution (incl. overrange) | 15 bit + sign |
| Resolution with overrange (bit including sign), max. | 15 bit; at 150, 300, 600 und 3000 ohms; otherwise 15 bits + sign |
| Integration time, parameterizable | Yes; 10/ 16.67/ 20/ 100 ms |
| Interference voltage suppression for interference frequency f1 in Hz | 10 / 50 / 60 / 400 Hz |
| Smoothing of measured values |
| parameterizable | Yes; In four stages by means of digital filtering |
| Step: None | Yes; 1x |
| Step: low | Yes; 4x |
| Step: Medium | Yes; 16x |
| Step: High | Yes; 32x |
| Degree and class of protection |
| Degree of protection acc. to EN 60529 | |
| IP20 | Yes |
| Standards, approvals, certificates |
| CE mark | Yes |
| Dimensions |
| Width | 45 mm |
| Height | 100 mm |
| Depth | 81 mm |
| Weights |
| Weight, approx. | 148.7 g |
| last modified: | 03/13/2019 |
