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SIMATIC DP, HART ANALOG INPUT SM 331, 8 AI, 0/4 - 20MA HART, FOR ET200M WITH IM153-2, 20 PIN |
| 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 |
| Power loss |
| Power loss, typ. |
1.5 W |
| Analog inputs |
| Number of analog inputs |
8 |
| Number of analog inputs for resistance measurement |
0 |
| permissible input current for current input (destruction limit), max. |
40 mA |
| Input ranges |
| ● Current |
Yes |
| Input ranges (rated values), currents |
| ● 0 to 20 mA |
Yes |
| ● Input resistance (0 to 20 mA) |
125 Ω |
| ● -20 to +20 mA |
Yes |
| ● Input resistance (-20 to +20 mA) |
125 Ω |
| ● 4 to 20 mA |
Yes |
| ● Input resistance (4 to 20 mA) |
125 Ω |
| Cable length |
| ● Cable length, shielded, max. |
800 m |
| Analog value generation |
| 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 at 50 Hz; 16.6 ms at 60 Hz; 100 ms at 100 Hz |
| ● 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 |
| Operational error 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 % |
| Isochronous mode |
| Isochronous mode (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 tested 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: |
21.08.2014 |
