| SIMATIC SC,ELECTRONIC SUBMODULE 2 AI, 4..20MA, +/-20MA |
| Supply voltage |
| Rated value (DC) | 24 V |
| Reverse polarity protection | Yes |
| Input current |
| from supply voltage L+, max. | 30 mA |
| Power losses |
| Power loss, max. | 0.6 W |
| Hardware configuration |
| Rack |
| Required terminal block | TB 16SC |
| Analog inputs |
| Number of analog inputs | 2 |
| permissible input current for current input (destruction limit), max. | 40 mA; Permanent |
| Input ranges |
| Current | Yes |
| Input ranges (rated values), currents |
| -20 to +20 mA | Yes |
| Input resistance (-20 to +20 mA) | 50 Ω |
| 4 to 20 mA | Yes |
| Input resistance (4 to 20 mA) | 50 Ω |
| Characteristic linearization |
| Parameterizable | No |
| Temperature compensation |
| Parameterizable | No |
| [nicht versorgt: TAK_ABT296_001_000] |
| Cable length, shielded, max. | 200 m |
| Analog value creation |
| Measurement principle | integrating |
| Integrations and conversion time/ resolution per channel |
| Resolution (incl. overrange) | +/-20 mA: 13 bits, 4 to 20 mA: 12 bits |
| Resolution with overrange (bit including sign), max. | 13 bit |
| Integration time, parameterizable | Yes |
| Basic conversion time, ms | 55 / 65 ms |
| Integration time, ms | 50 / 60 ms |
| Interference voltage suppression for interference frequency f1 in Hz | 60 / 50 Hz |
| Smoothing of measured values |
| Parameterizable | Yes; parameterizable in 4 stages by means of digital filtering |
| Step: None | Yes; 1 x cycle time |
| Step: low | Yes; 8 x cycle time |
| Step: Medium | Yes; 64 x cycle time |
| Step: High | Yes; 128 x cycle time |
| Encoder |
| Connection of signal encoders |
| for voltage measurement as 2-wire transducer | Yes; 4-wire transformer with external transmitter feed |
| for current measurement as 2-wire transducer | Yes; with external transmitter supply |
| for current measurement as 4-wire transducer | Yes |
| Errors/accuracies |
| Linearity error (relative to input area) | +/- 0,05 % |
| Temperature error (relative to input area) | +/- 0,01 %/K |
| Crosstalk between the inputs, min. | 50 dB; At 50/60 Hz |
| Repeat accuracy in settled status at 25 °C (relative to input area) | +/- 0,1 % |
| Operational limit in overall temperature range |
| Current, relative to input area | +/- 1 % |
| Basic error limit (operational limit at 25 °C) |
| Current, relative to input area | +/- 0,8 % |
| Interference voltage suppression for f = n x (fl +/- 1%), fl = interference frequency |
| Series mode interference (peak value of interference < rated value of input range), min. | 70 dB |
| common mode voltage (USS < 2.5 V) , min. | 90 dB |
| Interrupts/diagnostics/status information |
| Alarms |
| Alarms | No |
| Diagnoses |
| Diagnostic functions | No |
| Galvanic isolation |
| Galvanic isolation analog inputs |
| between the channels | No |
| between the channels and the backplane bus | No; Optocoupler |
| between the channels and the power supply of the electronics | No |
| Permissible potential difference |
| between inputs and MANA (UCM) | 2 V DC / 2 Vpp AC |
| Isolation |
| Isolation checked with | 1500 V AC |
| Dimensions |
| Width | 10 mm |
| Height | 64 mm |
| Depth | 51 mm |
| Required slots | 1; from 8 |
| Weight |
| Weight, approx. | 20 g |
