SIMATIC S7-300, Analog input SM 331, isolated, 2/3/4-wire, 8 AI, Resistor, Pt100/200/1000 NI100/120/200/500/1000, CU10, characteristics according to GOST 16 (internal 24) bit, 50ms, 1x 40-pole
Category: SIEMENS Simatic Control Systems
Specifications
SKU
6ES7331-7PF01-0AB0
Details
| Supply voltage | ||
| Load voltage L+ | ||
| ● Rated value (DC) | 24 V | |
| ● Reverse polarity protection | Yes | |
| Input current | ||
| from load voltage L+ (without load), max. | 240 mA | |
| from backplane bus 5 V DC, max. | 100 mA | |
| Power loss | ||
| Power loss, typ. | 4.6 W | |
| Analog inputs | ||
| Number of analog inputs | 8 | |
| ● For resistance measurement | 8 | |
| permissible input voltage for voltage input (destruction limit), max. | 75 V; 35 V continuous, 75 V for max. 1 s (mark to space ratio 1:20) | |
| Input ranges | ||
| ● Voltage | No | |
| ● Current | No | |
| ● Thermocouple | No | |
| ● Resistance thermometer | Yes | |
| ● Resistance | Yes | |
| Input ranges (rated values), voltages | ||
| ● 0 to +10 V | No | |
| ● 1 V to 5 V | No | |
| ● 1 V to 10 V | No | |
| ● -1 V to +1 V | No | |
| ● -10 V to +10 V | No | |
| ● -2.5 V to +2.5 V | No | |
| ● -250 mV to +250 mV | No | |
| ● -5 V to +5 V | No | |
| ● -50 mV to +50 mV | No | |
| ● -500 mV to +500 mV | No | |
| ● -80 mV to +80 mV | No | |
| Input ranges (rated values), currents | ||
| ● 0 to 20 mA | No | |
| ● -10 mA to +10 mA | No | |
| ● -20 mA to +20 mA | No | |
| ● -3.2 mA to +3.2 mA | No | |
| ● 4 mA to 20 mA | No | |
| Input ranges (rated values), thermocouples | ||
| ● Type B | No | |
| ● Type C | No | |
| ● Type E | No | |
| ● Type J | No | |
| ● Type K | No | |
| ● Type L | No | |
| ● Type N | No | |
| ● 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 | Yes | |
| ● Ni 100 | Yes | |
| ● Ni 1000 | Yes | |
| ● LG-Ni 1000 | Yes | |
| ● Ni 120 | Yes | |
| ● Ni 200 | Yes | |
| ● Ni 500 | Yes | |
| ● Pt 100 | Yes | |
| ● Pt 1000 | Yes | |
| ● Pt 200 | Yes | |
| ● Pt 500 | Yes | |
| Input ranges (rated values), resistors | ||
| ● 0 to 150 ohms | Yes | |
| ● 0 to 300 ohms | Yes | |
| ● 0 to 600 ohms | Yes | |
| Characteristic linearization | ||
| ● parameterizable | Yes | |
| — for resistance thermometer | Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10; (standard/climate) | |
| Cable length | ||
| ● shielded, max. | 200 m | |
| Analog value generation for the inputs | ||
| Integration and conversion time/resolution per channel | ||
| ● Resolution with overrange (bit including sign), max. | 16 bit; Two's complement | |
| ● Integration time, parameterizable | Yes | |
| ● Basic conversion time (ms) | up to 4 channels: 10 ms per module, over 5 channels: 190 ms per module, 8 channels: 80 ms | |
| ● Interference voltage suppression for interference frequency f1 in Hz | 400 / 60 / 50 Hz | |
| Encoder | ||
| Connection of signal encoders | ||
| ● for resistance measurement with two-wire connection | Yes; without resistance correction | |
| ● 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 | ||
| ● Resistance, relative to input range, (+/-) | 0.1 % | |
| ● Resistance thermometer, relative to input range, (+/-) | ±1 K | |
| Basic error limit (operational limit at 25 °C) | ||
| ● Resistance, relative to input range, (+/-) | 0.05 % | |
| ● Resistance thermometer, relative to input range, (+/-) | ±0.5 K | |
| Interrupts/diagnostics/status information | ||
| Diagnostics function | Yes; Parameterizable | |
| Alarms | ||
| ● Diagnostic alarm | Yes; Parameterizable per group | |
| ● Limit value alarm | Yes; Parameterizable | |
| ● Hardware interrupt | Yes; Parameterizable, channels 0 to 7 | |
| Diagnoses | ||
| ● Diagnostic information readable | Yes | |
| Diagnostics indication LED | ||
| ● Group error SF (red) | Yes | |
| Potential separation | ||
| Potential separation analog inputs | ||
| ● between the channels | Yes | |
| ● between the channels, in groups of | 2 | |
| ● between the channels and backplane bus | Yes | |
| ● between the channels and the power supply of the electronics | Yes | |
| Isolation | ||
| Isolation tested with | 500 V DC | |
| connection method | ||
| required front connector | 40-pin | |
| Dimensions | ||
| Width | 40 mm | |
| Height | 125 mm | |
| Depth | 120 mm | |
| Weights | ||
| Weight, approx. | 272 g | |
View more about SIMATIC S7-300, Analog input SM 331, isolated, 2/3/4-wire, 8 AI, Resistor, Pt100/200/1000 NI100/120/200/500/1000, CU10, characteristics according to GOST 16 (internal 24) bit, 50ms, 1x 40-pole on main site