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SIMATIC DP, HART ANALOG INPUT SM 331, 8 AI, 0/4 - 20MA HART, FOR ET200M WITH IM153-2, 1 X 20-POLE, FEATURES: FW UPDATE, HART SECONDARY VARIABLES, REDUNDANCY, LOCAL DIAGNOSTIC BUFFER WITH TIMESTAMP, |
| Supply voltage |
| Load voltage L+ |
| ● Rated value (DC) |
24 V |
| ● Reverse polarity protection |
Yes |
| Input current |
| from load voltage L+ (without load), max. |
20 mA |
| from backplane bus 5 V DC, max. |
120 mA |
| Output voltage |
| Power supply to the transmitters |
| ● present |
Yes |
| ● Rated value (DC) |
24 V |
| ● short-circuit proof |
Yes |
| Power losses |
| Power loss, typ. |
1.5 W |
| Analog inputs |
| Number of analog inputs |
8 |
| permissible input current for current input (destruction limit), max. |
40 mA |
| Input ranges |
| ● Voltage |
No |
| ● Current |
Yes |
| ● Thermocouple |
No |
| ● Resistance thermometer |
No |
| ● Resistance |
No |
| Input ranges (rated values), currents |
| ● 0 to 20 mA |
Yes |
| ● Input resistance (0 to 20 mA) |
240 Ω |
| ● Input resistance (-20 to +20 mA) |
240 Ω |
| ● Input resistance (4 to 20 mA) |
240 Ω |
| Cable length |
| ● Cable length, shielded, max. |
800 m |
| Analog value creation |
| Measurement principle |
Sigma Delta |
| Integration and conversion time/resolution per channel |
| ● Resolution with overrange (bit including sign), max. |
16 bit |
| ● Integration time, parameterizable |
Yes |
| ● Integration time, ms |
20 ms@50 Hz/16.6 ms@60 Hz/100 ms@100 Hz |
| ● Basic conversion time, including integration time, ms |
65ms@50Hz / 55ms@60Hz / 305ms@100Hz |
| ● Interference voltage suppression for interference frequency f1 in Hz |
60 / 50 / 10 Hz |
| Encoder |
| Connection of signal encoders |
| ● for current measurement as 2-wire transducer |
Yes |
| ● for current measurement as 4-wire transducer |
Yes |
| Errors/accuracies |
| Linearity error (relative to input range), (+/-) |
0.01 % |
| Temperature error (relative to input range), (+/-) |
0.001 %/K |
| Crosstalk between the inputs, min. |
70 dB |
| Repeat accuracy in steady state at 25 °C (relative to input area), (+/-) |
0.1 % |
| Operational limit in overall temperature range |
| ● Current, relative to input area, (+/-) |
0.15 % |
| Basic error limit (operational limit at 25 °C) |
| ● Current, relative to input area, (+/-) |
0.1 % |
| 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. |
40 dB |
| ● Common mode interference, min. |
100 dB |
| Isochronous mode |
| Isochronous operation (application synchronized up to terminal) |
No |
| Interrupts/diagnostics/status information |
| Alarms |
| ● Diagnostic alarm |
Yes |
| ● Limit value alarm |
Yes |
| Diagnostic messages |
| ● Diagnostic functions |
Yes |
| ● Diagnostic information readable |
Yes |
| ● Diagnostics |
Yes |
| ● Group error |
Yes |
| Diagnostics indication LED |
| ● Group error SF (red) |
Yes |
| Galvanic isolation |
| Galvanic isolation analog inputs |
| ● between the channels |
No |
| ● between the channels, in groups of |
8 |
| ● between the channels and the backplane bus |
Yes |
| Isolation |
| Isolation checked with |
500 |
| Connection method |
| required front connector |
20-pin |
| Dimensions |
| Width |
40 mm |
| Height |
125 mm |
| Depth |
117 mm |
| Weights |
| Weight, approx. |
205 g |
| last modified: |
25.09.2014 |
