| Product Family | SIMATIC S7-1500 SM 531 |
| Number of Inputs | 16 analog inputs |
| Input Type | Current (I) only |
| Resolution | 16-bit |
| Accuracy | ±0.5% of input range (overall temperature range) |
| Repeat Accuracy | ±0.1% of input range at 25°C |
| Input Ranges | 0-20 mA, 4-20 mA, ±20 mA |
| Input Impedance | 25 Ohm |
| Conversion Time | 10 ms, 24 ms, 27 ms, 107 ms (selectable) |
| Sampling Rate | Up to 100 Hz per channel |
| Isolation | 707 V DC (channel to backplane bus) |
| Operating Temperature | -30°C to +60°C (horizontal), -30°C to +40°C (vertical) |
| Dimensions | 35 mm × 147 mm × 129 mm (W × H × D) |
| Weight | 0.25 kg (approx.) |