| SIMATIC S7-200, RTD INPUT MOD. EM 231, FOR S7-22X CPU ONLY, 4AI, PT100/200/500/1000/10000 NI100/120/1000, CU10, 14 GOST, RESISTANCE 150/300/600 OHM 15 BIT+ SIGN |
| 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; Sensor: 1 mW |
| Analog inputs |
| Number of analog inputs | 4 |
| permissible input voltage for voltage input (destruction limit), max. | 30 V; 30 V DC (probe), 5 V DC (source) |
| Loop resistance cable | 20 Ω; max. 2.7 Ohm for Cu |
| Updating time (all channels) | 810 ms; 1400 ms with Pt10000 |
| Input ranges |
| Voltage | No |
| Current | No |
| Thermocouple | No |
| Resistance thermometer | Yes |
| Resistance | Yes |
| Input ranges (rated values), resistance thermometers |
| Cu 10 | Yes |
| Input resistance (Cu 10) | 10 MΩ |
| Ni 10 | Yes |
| Input resistance (Ni 10) | 10 MΩ |
| Ni 1000 | Yes |
| Input resistance (Ni 1000) | 10 MΩ |
| Ni 120 | Yes |
| Input resistance (Ni 120) | 10 MΩ |
| Pt 100 | Yes |
| Input resistance (Pt 100) | 10 MΩ |
| Pt 1000 | Yes |
| Input resistance (Pt 1000) | 10 MΩ |
| Pt 10000 | Yes |
| Input resistance (Pt 10000) | 10 MΩ |
| Pt 200 | Yes |
| Input resistance (Pt 200) | 10 MΩ |
| Pt 500 | Yes |
| Input resistance (Pt 500) | 10 MΩ |
| Input ranges (rated values), resistors |
| 0 to 150 ohms | Yes |
| Input resistance (0 to 150 ohms) | 10 MΩ |
| 0 to 300 ohms | Yes |
| Input resistance (0 to 300 ohms) | 10 MΩ |
| 0 to 600 ohms | Yes |
| Input resistance (0 to 600 ohms) | 10 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 |
| 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. | 0 V |
| 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 |
