Simens S7-300 6ES7331-7KF02-0AB0
ANALOG INPUT Module SM 331, FLOATING, 8AI, RESOLUTION 9/12/14 BITS, U/I/THERMOCOUPLE/RESISTANCE ALERT, DIAGNOSTICS; 1X20PIN REMOVE/INSERT with BACKPLANE BUS.
Temperature compensation function.
6ES7331-7KF02-0AB0 and 6ES7331-1KF02-0AB0
Data Technical Comparison
| Technical Data | 6ES7331-1KF02-0AB0 | 6ES7331-7KF02-0AB0 | |
| Price | USD180.00 | USD 155.00 | |
| Input current | |||
| from backplane bus 5 V DC, max. | 90 mA | 50 mA | |
| Power loss, typ. | 0.4 W | 1 W | |
| Analog inputs | |||
| Number of analog inputs | 8 | 8 | |
| ● For resistance measurement | 8 | 4 | |
| permissible input voltage for voltage input (destruction limit), max. | 30 V; 12 V continuous, 30 V for max. 1 s | 20 V; continuous; 75 V for max. 1 s | |
Input ranges (rated values), voltages |
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| 0 to +10 V | Yes | No | |
| Input resistance (0 to 10 V) | 100 kΩ | 100 kΩ | |
| 1 V to 5 V | Yes | No | |
| Input resistance (1 V to 5 V) | 100 kΩ | Yes | |
| 1 V to 10 V | No | 10 MΩ | |
| -1 V to +1 V | Yes | Yes | |
| Input resistance (-1 V to +1 V) | 100 kΩ | 100 kΩ | |
| -10 V to +10 V | Yes | Yes | |
| Input resistance (-10 V to +10 V) | 100 kΩ | 100 kΩ | |
| -250 mV to +250 mV | No | Yes | |
| Input resistance (-5 V to +5 V) | 100 kΩ | 10 MΩ | |
| -50 mV to +50 mV | Yes | Yes | |
| Input resistance (-50 mV to +50 mV) | 100 kΩ | 100 kΩ | |
| -500 mV to +500 mV | Yes | No | |
| Input resistance (-500 mV to +500 mV) | 100 kΩ | Yes | |
| -80 mV to +80 mV | No | 10 MΩ | |
| Input ranges (rated values), currents | |||
| 0 to 20 mA | Yes | Yes | |
| Input resistance (0 to 20 mA) | 100 Ω | 25 Ω | |
| -10 mA to +10 mA | No | Yes | |
| -20 mA to +20 mA | Yes | 25 Ω | |
| Input resistance (-20 mA to +20 mA) | 100 Ω | Yes | |
| -3.2 mA to +3.2 mA | No | 25 Ω | |
| 4 mA to 20 mA | Yes | Yes | |
| Input resistance (4 mA to 20 mA) | 100 Ω | 25 Ω | |
| Input ranges (rated values), thermocouples | Input ranges (rated values), thermocouples | ||
Input ranges (rated values), resistance thermometer |
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| Cu 10 | No | No | |
| Ni 100 | Yes; Standard/climate | Yes; Standard | |
| Input resistance (Ni 100) | 100 MΩ | 10 MΩ | |
| Ni 1000 | Yes | No | |
| Input resistance (Ni 1000) | 100 MΩ | No | |
| LG-Ni 1000 | Yes; Standard/climate | No | |
| Input resistance (LG-Ni 1000) | 100 MΩ | No | |
| Ni 200 | No | Yes; Standard | |
| Ni 500 | No | 10 MΩ | |
| Pt 100 | Yes; Standard/climate | No | |
| Input resistance (Pt 100) | 100 MΩ | No | |
| Pt 1000 | No | No | |
| Input ranges (rated values), resistors | |||
| zero to 150 ohms | No | Yes | |
| 0 to 300 ohms | No | 10 MΩ | |
| 0 to 600 ohms | Yes | Yes | |
| Input resistance (0 to 600 ohms) | 100 MΩ | 10 MΩ | |
| 0 to 6000 ohms | Yes | Yes | |
| Input resistance (0 to 6000 ohms) | 100 MΩ | 10 MΩ | |
| Thermocouple (TC) | |||
Temperature compensation |
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| parameterizable | No | Yes | |
| internal temperature compensation | No | Yes | |
| external temperature compensation with compensations socket | No | Yes | |
| Characteristic linearization | |||
| ● parameterizable | Yes | Yes | |
| — for thermocouples | No | Type E, J, K, L, N | |
| — for resistance thermometer | yes; Pt100 standard/air con.; Ni100 standard/air con.; Ni1000 standard/air con.; LG-Ni1000 standard/air con. | Pt100 (standard, climatic range), Ni100 (standard, climatic range) | |
| Cable length | |||
| ● shielded, max. | 200 m; max. 50 m at 50 mV | 200 m; 50 m at 80 mV and thermocouples | |
| Analog value generation for the inputs | |||
| Measurement principle | integrating | integrating | |
| Integration and conversion time/resolution per channel | |||
| Resolution with overrange (bit including sign), max. | 13 bit | 15 bit; Unipolar: 9/12/12/14 bit; bipolar: 9 bit + sign/12 bit + sign/12 bit + sign/14 bit + sign | |
| Integration time, parameterizable | Yes; 60 / 50 ms | Yes; 2,5 / 16,67 / 20 / 100 ms | |
| Basic conversion time (ms) | 66 / 55 ms | 3 / 17 / 22 / 102 ms | |
| Interference voltage suppression for interference frequency f1 in Hz | 50 / 60 Hz | 400 / 60 / 50 / 10 Hz | |
Interrupts/diagnostics/status information |
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| Diagnostic functions | No | Yes; Parameterizable | |
| Alarms | |||
| Diagnostic alarm | No | Yes; Parameterizable, channels 0 and 2 | |
| Limit value alarm | No | Yes; Parameterizable | |
| Diagnostic messages | |||
| Diagnostic information readable | No | Yes | |
| Indication LED | |||
| Group error SF (red) | No | Yes | |
| Potential separation | |||
| Potential separation analog inputs | |||
| between the channels and backplane bus | Yes | Yes | |
| Isolation | |||
| Isolation tested with | 500 V DC | 500 V DC | |
| Connection method | |||
| required front connector | 40-pin | 20-pin | |
Dimensions |
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| Width | 40 mm | 40 mm | |
| Height | 125 mm | 125 mm | |
| Depth | 117 mm | 117 mm | |
| Weight, approx. | 250 g | 250 g | |
