| SIMATIC DP, Electronics module f. ET200S, 2AI Standard I-4DMU 15 mm width, +/-20mA; 13 bit+sign 4.. 20mA; 12-bit for 4-wire transmitter Cycle time 65 ms/channel with SF LED (group fault) |
| Supply voltage |
| Load voltage L+ |
| Rated value (DC) | 24 V; From power module |
| Input current |
| from load voltage L+ (without load), max. | 30 mA |
| from backplane bus 3.3 V DC, max. | 10 mA |
| Power loss |
| Power loss, typ. | 0.6 W |
| Address area |
| Address space per module |
| Address space per module, max. | 4 byte |
| Analog inputs |
| Number of analog inputs | 2 |
| permissible input current for current input (destruction limit), max. | 40 mA |
| Cycle time (all channels) max. | Number of active channels per module x basic conversion time |
| Input ranges (rated values), currents |
| -20 mA to +20 mA | Yes; 50 Ohm |
| 4 mA to 20 mA | Yes; 50 Ohm |
| Cable length |
| shielded, max. | 200 m |
| Analog value generation for the inputs |
| Measurement principle | integrating |
| Integration and conversion time/resolution per channel |
| Resolution with overrange (bit including sign), max. | 14 bit; ±20 mA: 14 bit, 4 to 20 mA: 13 bit |
| Integration time (ms) | 16,7 / 20 ms |
| Interference voltage suppression for interference frequency f1 in Hz | 50 / 60 Hz |
| Conversion time (per channel) | 65 ms; 55 / 65 ms |
| Smoothing of measured values |
| parameterizable | Yes; In four stages by means of digital filtering |
| Step: None | Yes; 1x cycle time |
| Step: low | Yes; 4x cycle time |
| Step: Medium | Yes; 32x cycle time |
| Step: High | Yes; 64x cycle time |
| Encoder |
| Connection of signal encoders |
| for current measurement as 2-wire transducer | |
| — Burden of 2-wire transmitter, max. | 750 Ω |
| Errors/accuracies |
| Linearity error (relative to input range), (+/-) | 0.01 % |
| Temperature error (relative to input range), (+/-) | 0.005 %/K |
| Crosstalk between the inputs, min. | -50 dB |
| Repeat accuracy in steady state at 25 °C (relative to input range), (+/-) | 0.05 % |
| Operational error limit in overall temperature range |
| Current, relative to input range, (+/-) | 0.6 % |
| Basic error limit (operational limit at 25 °C) |
| Current, relative to input range, (+/-) | 0.4 % |
| 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 |
| Isochronous mode |
| Isochronous operation (application synchronized up to terminal) | No |
| Interrupts/diagnostics/status information |
| Diagnostic messages |
| Wire-break | Yes; Measuring range 4 to 20 mA only |
| Group error | Yes |
| Overflow/underflow | Yes |
| Diagnostics indication LED |
| Group error SF (red) | Yes |
| Parameter |
| Remark | 4 byte |
| Diagnostics wire break | Disable / enable (only in measuring range 4 to 20 mA) |
| Measurement type/range | deactivated / ±20 mA / 4 to 20 mA |
| Group diagnostics | Disable / enable |
| Overflow/underflow | Disable / enable |
| Potential separation |
| Potential separation analog inputs |
| between the channels | No |
| between the channels and backplane bus | Yes |
| Between the channels and load voltage L+ | No |
| Isolation |
| Isolation tested with | 500 V DC |
| Dimensions |
| Width | 15 mm |
| Height | 81 mm |
| Depth | 52 mm |
| Weights |
| Weight, approx. | 40 g |
| last modified: | 03/13/2019 |
