| *** SPARE PART*** SIMATIC SC,ELECTRONIC SUBMODULE 2 AI, 4..20MA, +/-20MA |
| General information |
| Usable terminal block | TB 16SC |
| Supply voltage |
| Rated value (DC) | 24 V |
| Reverse polarity protection | Yes |
| Input current |
| from supply voltage L+, max. | 30 mA |
| Power loss |
| Power loss, typ. | 0.6 W |
| Hardware configuration |
| Slots |
| required slots | 1; from 8 |
| 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 mA to +20 mA | Yes |
| Input resistance (-20 mA to +20 mA) | 50 Ω |
| 4 mA to 20 mA | Yes |
| Input resistance (4 mA to 20 mA) | 50 Ω |
| Thermocouple (TC) |
| Temperature compensation |
| — parameterizable | No |
| Characteristic linearization |
| parameterizable | No |
| Cable length |
| shielded, max. | 200 m |
| Analog value generation for the inputs |
| Measurement principle | integrating |
| Integration and conversion time/resolution per channel |
| Resolution (incl. overrange) | ±20 mA: 13 bit, 4 to 20 mA: 12 bit |
| 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 | 50 / 60 Hz |
| Smoothing of measured values |
| parameterizable | Yes; parameterizable in 4 stages by means of digital filtering |
| Step: None | Yes; 1x cycle time |
| Step: low | Yes; 8x cycle time |
| Step: Medium | Yes; 64x cycle time |
| Step: High | Yes; 128x 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 range), (+/-) | 0.05 % |
| Temperature error (relative to input range), (+/-) | 0.01 %/K |
| Crosstalk between the inputs, min. | 50 dB; At 50/60 Hz |
| Repeat accuracy in steady state at 25 °C (relative to input range), (+/-) | 0.1 % |
| Operational error limit in overall temperature range |
| Current, relative to input range, (+/-) | 1 % |
| Basic error limit (operational limit at 25 °C) |
| Current, relative to input range, (+/-) | 0.8 % |
| Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency |
| Series mode interference (peak value of interference < rated value of input range), min. | 70 dB |
| Common mode interference (USS < 2.5 V) , min. | 90 dB |
| Interrupts/diagnostics/status information |
| Alarms | No |
| Diagnostics function | No |
| Potential separation |
| Potential separation analog inputs |
| between the channels | No |
| between the channels and backplane bus | No; Optocoupler |
| between the channels and the power supply of the electronics | No |
| Permissible potential difference |
| Between the inputs and MANA (UCM) | 2 V DC / 2 Vpp AC |
| Isolation |
| Isolation tested with | 1500 V AC |
| Dimensions |
| Width | 10 mm |
| Height | 64 mm |
| Depth | 51 mm |
| Weights |
| Weight, approx. | 20 g |
| last modified: | 03/13/2019 |
