| | SIPLUS S7-400 SM431 BEG AI6X14 FOR MEDIAL STRESS AND MODIFIED INOUT CIRCUIT BASED ON 6ES7431-1KF20-0AB0 |
| |
| Supply voltage |
| Load voltage L+ |
| Rated value (DC) | 24 V; Only required for supplying 2-wire transmitters |
| Reverse polarity protection | Yes |
| Input current |
| from load voltage L+ (without load), max. | 200 mA; for 8 connected, fully controlled 2-wire transmitters |
| from backplane bus 5 V DC, max. | 1000 mA |
| Power losses |
| Power loss, typ. | 4.9 W |
| Analog inputs |
| Number of analog inputs | 8 |
| Number of analog inputs for voltage/current measurement | 8 |
| Number of analog inputs for resistance measurement | 4 |
| permissible input voltage for voltage input (destruction limit), max. | 18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20) |
| permissible input current for current input (destruction limit), max. | 40 mA; Permanent |
| Input ranges |
| Voltage | Yes |
| Current | Yes |
| Resistance | Yes |
| Input ranges (rated values), voltages |
| 1 to 5 V | Yes |
| Input resistance (1 to 5 V) | 10 MΩ |
| -1 V to +1 V | Yes |
| Input resistance (-1 V to +1 V) | 10 MΩ |
| -10 V to +10 V | Yes |
| Input resistance (-10 V to +10 V) | 100 kΩ |
| Input ranges (rated values), currents |
| -20 to +20 mA | Yes |
| Input resistance (-20 to +20 mA) | 50 Ω |
| 4 to 20 mA | Yes |
| Input resistance (4 to 20 mA) | 50 kΩ |
| Input ranges (rated values), resistors |
| 0 to 600 ohms | Yes |
| Cable length |
| Cable length, shielded, max. | 200 m |
| Analog value creation |
| Integrations and conversion time/ resolution per channel |
| Resolution with overrange (bit including sign), max. | 14 bit; 14 / 14 / 14 |
| Integration time, parameterizable | Yes |
| Basic conversion time, ms | 52 µs |
| Interference voltage suppression for interference frequency f1 in Hz | none / 400 / 60 / 50 Hz |
| Encoder |
| Connection of signal encoders |
| for current measurement as 2-wire transducer | Yes |
| for current measurement as 4-wire transducer | Yes |
| for resistance measurement with 2-conductor connection | Yes; Line resistances are also measured |
| for resistance measurement with 3-conductor connection | Yes; Line resistances are also measured |
| for resistance measurement with 4-conductor connection | Yes |
| Errors/accuracies |
| Operational limit in overall temperature range |
| Voltage, relative to input area | +/- 0,7 %; +/-0.7% at +/-1 V; +/-0.9% at +/-10 V, 1 to 5 V |
| Current, relative to input area | +/- 0,8 %; at +/-20 mA, 4 to 20 mA |
| Impedance, relative to input area | +/- 1 % |
| Basic error limit (operational limit at 25 °C) |
| Voltage, relative to input area | +/- 0,6 %; 0.6% at +/-1 V; 0.75% at +/-10 V, 1 to 5 V |
| Current, relative to input area | +/- 0,7 %; at +/-20 mA, 4 to 20 mA |
| Impedance, relative to input area | +/- 0,7 %; 0 to 600 ohms |
| Galvanic isolation |
| Galvanic isolation analog inputs |
| Galvanic isolation analog inputs | Yes; internal/external |
| between the channels | No |
| Permissible potential difference |
| between the inputs (UCM) | 8 V AC |
| Isolation |
| Isolation checked with | 2120 V DC between bus and analog part; 500 V DC between bus and local ground; 707 V DC between analog part and L+/M; 2120 V DC between analog part and local ground; 2120 V DC between L+/M and local ground |
| Ambient conditions |
| Extended ambient conditions |
| Relative to ambient temperature-atmospheric pressure-installation altitude | Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m) // Tmin ... (Tmax - 10K) at 795 hPa ... 658 hPa (+2000 m ... +3500 m) // Tmin ... (Tmax - 20K) at 658 hPa ... 540 hPa (+3500 m ... +5000 m) |
| Relative humidity |
| with condensation / maximum | 100 %; Relative humidity, incl. condensation / frost permitted (no commissioning under condensation conditions) |
| Resistance |
| to biologically active substances / conformity with EN 60721-3-3 | Yes; , Class 3B2 mold, fungus and dry rot spores (with the exception of fauna). The supplied connector covers must remain on the unused interfaces during operation! |
| to chemically active substances / conformity with EN 60721-3-3 | Yes; , Class 3C4 incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation! |
| to mechanically active substances / conformity with EN 60721-3-3 | Yes; , Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation! |
| Dimensions |
| Width | 25 mm |
| Height | 290 mm |
| Depth | 210 mm |
| Required slots | 1 |
| Weight |
| Weight, approx. | 500 g |
| Status | Mar 12, 2012 |
