| ***Spare part*** SIMATIC S7-200, Analog input EM 231, only for S7-22X CPU, 4 AI, 0-10V DC, 12 bit converter |
| Input current |
| from load voltage L+ (without load), max. | 60 mA |
| from backplane bus 5 V DC, max. | 20 mA |
| Power loss |
| Power loss, typ. | 2 W |
| Analog inputs |
| Number of analog inputs | 4; Difference |
| permissible input voltage for voltage input (destruction limit), max. | 30 V |
| permissible input current for current input (destruction limit), max. | 32 mA |
| Input ranges |
| Voltage | Yes |
| Current | Yes |
| Thermocouple | No |
| Resistance thermometer | No |
| Resistance | No |
| Input ranges (rated values), voltages |
| 0 to +5 V | Yes |
| Input resistance (0 to 5 V) | 10 MΩ |
| 0 to +10 V | Yes |
| Input resistance (0 to 10 V) | 10 MΩ |
| -2.5 V to +2.5 V | Yes |
| Input resistance (-2.5 V to +2.5 V) | 10 MΩ |
| -5 V to +5 V | Yes |
| Input resistance (-5 V to +5 V) | 10 MΩ |
| Input ranges (rated values), currents |
| 0 to 20 mA | Yes |
| Input resistance (0 to 20 mA) | 10 MΩ |
| Thermocouple (TC) |
| Temperature compensation |
| — parameterizable | No |
| Cable length |
| shielded, max. | 100 m; to the sensor |
| Analog value generation for the inputs |
| Integration and conversion time/resolution per channel |
| Resolution with overrange (bit including sign), max. | 12 bit |
| Interference voltage suppression for interference frequency f1 in Hz | 40 dB, DC to 60 V for interference frequency 50 / 60 Hz |
| Conversion time (per channel) | 250 µs |
| Displayable conversion value range |
| bipolar signals | -32 000 to +32 000 |
| unipolar signals | 0 to 32 000 |
| Errors/accuracies |
| Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency |
| Common mode voltage, max. | 12 V |
| Interrupts/diagnostics/status information |
| Diagnostics indication LED |
| external fault EXTF (red) | Yes |
| Potential separation |
| Potential separation analog inputs |
| Potential separation analog inputs | No |
| Connection method |
| Plug-in I/O terminals | No |
| Dimensions |
| Width | 71.2 mm |
| Height | 80 mm |
| Depth | 62 mm |
| Weights |
| Weight, approx. | 183 g |
| last modified: | 03/13/2019 |
