SIMATIC SC,ELECTRONIC SUBMODULE 2 AI, 4..20MA, 2 MS CONVERSION TIME P. CHANNEL 2-WIRE-TRANSDUCER |
Supply voltage |
Rated value (DC) | 24 V |
Reverse polarity protection | Yes |
Input current |
from supply voltage L+, max. | 30 mA |
Output voltage |
Power supply to the transmitters |
present | Yes |
short-circuit proof | Yes |
Supply current, max. | 100 mA |
Power losses |
Power loss, max. | 0.6 W |
Hardware configuration |
Rack |
Required terminal block | TB 16IM-SC |
Analog inputs |
Number of analog inputs | 2 |
permissible input current for current input (destruction limit), max. | 35 mA; 35 mA continuous, 150 mA for max. 1 s (mark to space ratio 1:20) |
Input ranges |
Current | Yes |
Input ranges (rated values), currents |
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 | Actual value encryption |
Integrations and conversion time/ resolution per channel |
Resolution (incl. overrange) | 4 to 20 mA: 12 bit |
Resolution with overrange (bit including sign), max. | 12 bit |
Integration time, parameterizable | No |
Basic conversion time, ms | 1 ms |
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 current measurement as 2-wire transducer | Yes |
Burden of 2-wire transmitter, max. | 750 Ω |
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 | +/- 0,7 % |
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; With smoothing factor k = 128 |
common mode voltage (USS < 2.5 V) , min. | 50 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 |
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 |
Dimensions |
Width | 10 mm |
Height | 64 mm |
Depth | 51 mm |
Required slots | 1; from 8 |
Weight |
Weight, approx. | 20 g |