| SIMATIC DP, Electronics module 2 AI I High Feature for ET 200S, 15 mm width, Cycle time per module: 0.5 ms, +/-20mA; 15 bit+sign, 4.. 20mA; 15 bit, Operational limit +/-0.1% with SF LED (group fault) |
Supply voltage |
Load voltage L+ |
Rated value (DC) | 24 V |
Reverse polarity protection | Yes |
Input current |
from load voltage L+ (without load), max. | 48 mA |
from backplane bus 3.3 V DC, max. | 10 mA |
Output voltage |
Power supply to the transmitters |
present | Yes |
short-circuit proof | Yes |
Power loss |
Power loss, typ. | 1.2 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. | 50 mA |
Cycle time (all channels) max. | 0.5 ms; 0.5 ms for 2 channels without noise suppression, 18 / 21 ms per channel with noise suppression |
Input ranges (rated values), currents |
-20 mA to +20 mA | Yes |
4 mA to 20 mA | Yes |
Cable length |
shielded, max. | 200 m |
Analog value generation for the inputs |
Measurement principle | Sigma Delta |
Integration and conversion time/resolution per channel |
Resolution with overrange (bit including sign), max. | 16 bit |
Interference voltage suppression for interference frequency f1 in Hz | 60 / 50 Hz / no |
Conversion time (per channel) | 0.04 ms; Without noise suppression 17/20 ms per channel with error |
Smoothing of measured values |
parameterizable | Yes; In 4 stages: 1x, 4x, 16x, 32x cycle time |
Step: None | Yes; 1x |
Step: low | Yes; 4x |
Step: Medium | Yes; 16x |
Step: High | Yes; 32x |
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), (+/-) | 0.03 % |
Temperature error (relative to input range), (+/-) | 0.003 %/K |
Crosstalk between the inputs, min. | -100 dB |
Repeat accuracy in steady state at 25 °C (relative to input range), (+/-) | 0.01 % |
Operational error limit in overall temperature range |
Current, relative to input range, (+/-) | 0.1 %; 0.2% without interference frequency suppression |
Basic error limit (operational limit at 25 °C) |
Current, relative to input range, (+/-) | 0.05 %; 0.1% without interference frequency suppression |
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. | 90 dB |
Common mode interference (USS < 2.5 V) , min. | 100 dB |
Isochronous mode |
Isochronous operation (application synchronized up to terminal) | Yes |
Interrupts/diagnostics/status information |
Alarms |
Hardware interrupt | Yes |
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 | 12 bytes, 4 bytes in compatibility mode |
Diagnostics wire break | Disable / enable |
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; however, increased permissible potential difference between the inputs. |
between the channels and backplane bus | Yes |
Between the channels and load voltage L+ | Yes |
Dimensions |
Width | 15 mm |
Height | 81 mm |
Depth | 52 mm |
Weights |
Weight, approx. | 45 g |
last modified: | 03/01/2019 |