| SIMATIC S7-200, T/C INPUT MOD. EM 231, FOR S7-22X CPU ONLY, 4 AI, +/-80 MV AND THERMOCOUPLE TYPE J,K,S,T,R,E,N; 15BIT+VORZ. |
| Input current |
| from load voltage L+ (without load), max. | 60 mA |
| from backplane bus 5 V DC, max. | 87 mA |
| Power losses |
| Power loss, typ. | 1.8 W |
| Analog inputs |
| Number of analog inputs | 4 |
| permissible input voltage for voltage input (destruction limit), max. | 30 V |
| Loop resistance cable | 100 Ω |
| Updating time (all channels) | 405 ms |
| Input ranges |
| Voltage | Yes |
| Current | No |
| Thermocouple | Yes |
| Resistance thermometer | No |
| Resistance | No |
| Input ranges (rated values), voltages |
| -80 mV to +80 mV | Yes |
| Input resistance (-80 mV to +80 mV) | 1 MΩ |
| Input ranges (rated values), thermoelements |
| Type E | Yes |
| Type J | Yes |
| Input resistance (type J) | 1 MΩ |
| Type K | Yes |
| Input resistance (Type K) | 1 MΩ |
| Type N | Yes |
| Input resistance (Type N) | 1 MΩ |
| Type R | Yes |
| Input resistance (Type R) | 1 MΩ |
| Type S | Yes |
| Input resistance (Type S) | 1 MΩ |
| Type T | Yes |
| Input resistance (Type T) | 1 MΩ |
| [nicht versorgt: TAK_ABT296_001_000] |
| Cable length, shielded, max. | 100 m; to the sensor |
| Analog value creation |
| Measurement principle | Sigma Delta |
| Integrations and conversion time/ resolution per channel |
| Resolution with overrange (bit including sign), max. | 16 bit; Temperature 0.1 °C / 0.1 °F |
| Interference voltage suppression for interference frequency f1 in Hz | 85 dB at 50 / 60 / 400 Hz |
| Displayable conversion value range |
| bipolar signals | -27.648 to +27.648 |
| Errors/accuracies |
| cold connection point | +/-1.5 °C |
| Repeat accuracy in settled status at 25 °C (relative to input area) | +/- 0,05 % |
| Operational limit in overall temperature range |
| Voltage, relative to output area | +/- 0,1 % |
| Interference voltage suppression for f = n x (fl +/- 1%), fl = interference frequency |
| common mode voltage, max. | 120 V; AC |
| Common mode interference, min. | 120 dB; At 120 V DC |
| Interrupts/diagnostics/status information |
| Diagnostics indication LED |
| External fault EXTF (red) | Yes |
| Group error SF (red) | Yes |
| Galvanic isolation |
| Galvanic isolation analog inputs |
| Galvanic isolation analog inputs | Yes |
| Permissible potential difference |
| between inputs and MANA (UCM) | 500 V AC |
| between M internally and the inputs | 500 V AC |
| Connection method |
| Plug-in I/O terminals | No |
| Dimensions |
| Width | 71.2 mm |
| Height | 80 mm |
| Depth | 62 mm |
| Weight |
| Weight, approx. | 210 g |
