SIMATIC S7-300, Analog input SM 331, isolated, 2 AI, Resolution 9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20-pole, Removing/inserting with active backplane bus
Category: SIEMENS Simatic Control Systems
Specifications
SKU
6ES7331-7KB02-0AB0
Details
| Supply voltage | ||
| Load voltage L+ | ||
| ● Rated value (DC) | 24 V | |
| ● Reverse polarity protection | Yes | |
| Input current | ||
| from load voltage L+ (without load), max. | 30 mA | |
| from backplane bus 5 V DC, max. | 50 mA | |
| Power loss | ||
| Power loss, typ. | 1 W | |
| Analog inputs | ||
| Number of analog inputs | 2 | |
| ● For resistance measurement | 1 | |
| permissible input voltage for voltage input (destruction limit), max. | 20 V; continuous; 75 V for max. 1 s (mark to space ratio 1:20) | |
| permissible input current for current input (destruction limit), max. | 40 mA | |
| Constant measurement current for resistance-type transmitter, typ. | 1.67 mA | |
| Input ranges | ||
| ● Voltage | Yes | |
| ● Current | Yes | |
| ● Thermocouple | Yes | |
| ● Resistance thermometer | Yes | |
| ● Resistance | Yes | |
| Input ranges (rated values), voltages | ||
| ● 0 to +10 V | No | |
| ● 1 V to 5 V | Yes | |
| — Input resistance (1 V to 5 V) | 100 kΩ | |
| ● 1 V to 10 V | No | |
| ● -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 | |
| ● -2.5 V to +2.5 V | Yes | |
| — Input resistance (-2.5 V to +2.5 V) | 100 kΩ | |
| ● -250 mV to +250 mV | Yes | |
| — Input resistance (-250 mV to +250 mV) | 10 MΩ | |
| ● -5 V to +5 V | Yes | |
| — Input resistance (-5 V to +5 V) | 100 kΩ | |
| ● -50 mV to +50 mV | No | |
| ● -500 mV to +500 mV | Yes | |
| — Input resistance (-500 mV to +500 mV) | 10 MΩ | |
| ● -80 mV to +80 mV | Yes | |
| — Input resistance (-80 mV to +80 mV) | 10 MΩ | |
| Input ranges (rated values), currents | ||
| ● 0 to 20 mA | Yes | |
| — Input resistance (0 to 20 mA) | 25 Ω | |
| ● -10 mA to +10 mA | Yes | |
| — Input resistance (-10 mA to +10 mA) | 25 Ω | |
| ● -20 mA to +20 mA | Yes | |
| — Input resistance (-20 mA to +20 mA) | 25 Ω | |
| ● -3.2 mA to +3.2 mA | Yes | |
| — Input resistance (-3.2 mA to +3.2 mA) | 25 Ω | |
| ● 4 mA to 20 mA | Yes | |
| — Input resistance (4 mA to 20 mA) | 25 Ω | |
| Input ranges (rated values), thermocouples | ||
| ● Type B | No | |
| ● Type E | Yes | |
| — Input resistance (Type E) | 10 MΩ | |
| ● Type J | Yes | |
| — Input resistance (type J) | 10 MΩ | |
| ● Type K | Yes | |
| — Input resistance (Type K) | 10 MΩ | |
| ● Type L | No | |
| ● Type N | Yes | |
| — Input resistance (Type N) | 10 MΩ | |
| ● Type R | No | |
| ● Type S | No | |
| ● Type T | No | |
| ● Type U | No | |
| ● Type TXK/TXK(L) to GOST | No | |
| Input ranges (rated values), resistance thermometer | ||
| ● Cu 10 | No | |
| ● Ni 100 | Yes | |
| — Input resistance (Ni 100) | 10 MΩ; Standard | |
| ● Ni 1000 | No | |
| ● LG-Ni 1000 | No | |
| ● Ni 120 | No | |
| ● Ni 200 | No | |
| ● Ni 500 | No | |
| ● Pt 100 | Yes | |
| — Input resistance (Pt 100) | 10 kΩ; Standard | |
| ● Pt 1000 | No | |
| ● Pt 200 | No | |
| ● Pt 500 | No | |
| Input ranges (rated values), resistors | ||
| ● 0 to 150 ohms | Yes | |
| — Input resistance (0 to 150 ohms) | 10 MΩ | |
| ● 0 to 300 ohms | Yes | |
| — Input resistance (0 to 300 ohms) | 10 MΩ | |
| ● 0 to 600 ohms | Yes | |
| — Input resistance (0 to 600 ohms) | 10 MΩ | |
| ● 0 to 6000 ohms | No | |
| Thermocouple (TC) | ||
| Temperature compensation | ||
| — parameterizable | Yes | |
| — internal temperature compensation | Yes | |
| — external temperature compensation with compensations socket | Yes | |
| — for definable comparison point temperature | Yes | |
| Characteristic linearization | ||
| ● parameterizable | Yes | |
| — for thermocouples | Type E, J, K, L, N | |
| — for resistance thermometer | Pt100 (standard, climatic range), Ni100 (standard, climatic range) | |
| Cable length | ||
| ● shielded, max. | 200 m; 50 m at 80 mV and thermocouples | |
| Analog value generation for the inputs | ||
| Integration and conversion time/resolution per channel | ||
| ● Resolution with overrange (bit including sign), max. | 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; 2,5 / 16,67 / 20 / 100 ms | |
| ● Basic conversion time (ms) | 3 / 17 / 22 / 102 ms | |
| ● Interference voltage suppression for interference frequency f1 in Hz | 400 / 60 / 50 / 10 Hz | |
| Encoder | ||
| Connection of signal encoders | ||
| ● for voltage measurement | Yes | |
| ● for current measurement as 2-wire transducer | Yes | |
| ● for current measurement as 4-wire transducer | Yes | |
| ● for resistance measurement with two-wire connection | Yes | |
| ● for resistance measurement with three-wire connection | Yes | |
| ● for resistance measurement with four-wire connection | Yes | |
| Errors/accuracies | ||
| Operational error limit in overall temperature range | ||
| ● Voltage, relative to input range, (+/-) | 1 %; ±1% (80 mV); ±0.6% (250 mV to 1 000 mV); ±0.8% (2.5 V to 10 V) | |
| ● Current, relative to input range, (+/-) | 0.7 %; From 3.2 to 20 mA | |
| ● Resistance, relative to input range, (+/-) | 0.7 %; 150, 300, 600 Ohm | |
| ● Resistance thermometer, relative to input range, (+/-) | 0.7 %; ±0.7 % (Pt100/ Ni100); ±0.8 % (Pt100 climate) | |
| ● Thermocouple, relative to input range, (+/-) | 1.1 %; Type E, J, K, L, N | |
| Basic error limit (operational limit at 25 °C) | ||
| ● Voltage, relative to input range, (+/-) | 0.6 %; ±0.6% (80 mV, 2.5 V to 10 V); ±0.4% (250 mV to 1 000 mV) | |
| ● Current, relative to input range, (+/-) | 0.5 %; 3.2 to 20 mA | |
| ● Resistance, relative to input range, (+/-) | 0.5 %; 150, 300, 600 Ohm | |
| ● Resistance thermometer, relative to input range, (+/-) | 0.6 %; ±0.5% (Pt100/ Ni100), ±0.6% (Pt100 climate) | |
| ● Thermocouple, relative to input range, (+/-) | 0.7 %; Type E, N, J, K, L | |
| Interrupts/diagnostics/status information | ||
| Diagnostics function | Yes; Parameterizable | |
| Alarms | ||
| ● Diagnostic alarm | Yes | |
| ● Limit value alarm | Yes; Parameterizable, channel 0 | |
| Diagnoses | ||
| ● Diagnostic information readable | Yes | |
| Diagnostics indication LED | ||
| ● Group error SF (red) | Yes | |
| Potential separation | ||
| Potential separation analog inputs | ||
| ● between the channels | No | |
| ● between the channels and backplane bus | Yes | |
| ● between the channels and the power supply of the electronics | Yes; Not for 2-wire transmitters | |
| Isolation | ||
| Isolation tested with | 500 V DC | |
| connection method | ||
| required front connector | 20-pin | |
| Dimensions | ||
| Width | 40 mm | |
| Height | 125 mm | |
| Depth | 120 mm | |
| Weights | ||
| Weight, approx. | 250 g | |
View more about SIMATIC S7-300, Analog input SM 331, isolated, 2 AI, Resolution 9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20-pole, Removing/inserting with active backplane bus on main site