| SIPLUS S7-300 SM 331 8AI 40-pole -25...+60°C with conformal coating based on 6ES7331-7NF10-0AB0 . Analog "input isolated, ""8 AI; +/-5/10" V, 1-5 V, +/-20 mA, 0/4 to 20 mA, 16 bit, Single rooting (60 V COM.), 4-channel operation: 10 ms, 8-channel operation: 23-95ms, 1x 40-pole |
Supply voltage |
Load voltage L+ |
Rated value (DC) | 24 V |
Reverse polarity protection | Yes |
Input current |
from load voltage L+ (without load), max. | 200 mA |
from backplane bus 5 V DC, max. | 100 mA |
Power loss |
Power loss, typ. | 3 W |
Analog inputs |
Number of analog inputs | 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) |
permissible input current for current input (destruction limit), max. | 40 mA |
Input ranges |
Voltage | Yes |
Current | Yes |
Thermocouple | No |
Resistance thermometer | No |
Resistance | No |
Input ranges (rated values), voltages |
0 to +10 V | No |
1 V to 5 V | Yes |
Input resistance (1 V to 5 V) | 10 MΩ |
1 V to 10 V | No |
-1 V to +1 V | No |
-10 V to +10 V | Yes |
Input resistance (-10 V to +10 V) | 10 MΩ |
-2.5 V to +2.5 V | No |
-250 mV to +250 mV | No |
-5 V to +5 V | Yes |
Input resistance (-5 V to +5 V) | 10 MΩ |
-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 | Yes |
Input resistance (0 to 20 mA) | 250 Ω |
-20 mA to +20 mA | Yes |
Input resistance (-20 mA to +20 mA) | 250 Ω |
-3.2 mA to +3.2 mA | No |
4 mA to 20 mA | Yes |
Input resistance (4 mA to 20 mA) | 250 Ω |
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 | No |
Ni 100 | No |
Ni 1000 | No |
LG-Ni 1000 | No |
Ni 120 | No |
Ni 200 | No |
Ni 500 | No |
Pt 100 | No |
Pt 1000 | No |
Pt 200 | No |
Pt 500 | No |
Input ranges (rated values), resistors |
0 to 150 ohms | No |
0 to 300 ohms | No |
0 to 600 ohms | No |
0 to 6000 ohms | No |
Cable length |
shielded, max. | 200 m |
Analog value generation for the inputs |
Measurement principle | integrating |
Integration and conversion time/resolution per channel |
Resolution with overrange (bit including sign), max. | 16 bit; Unipolar: 15/15/15/15 bit; bipolar: 15 bit + sign/15 bit + sign/15 bit + sign/15 bit + sign |
Integration time, parameterizable | Yes; 23 / 72 / 83 / 95 ms |
Basic conversion time (ms) | 10 ms (4-channel mode); 95/83/72/23 ms (8-channel mode) |
Interference voltage suppression for interference frequency f1 in Hz | 400 / 60 / 50 Hz, combinations of 400, 60, 50 Hz |
Encoder |
Connection of signal encoders |
for current measurement as 2-wire transducer | Yes; with external transmitter, current supply; possible with separate supply for transmitter |
for current measurement as 4-wire transducer | Yes |
Errors/accuracies |
Operational error limit in overall temperature range |
Voltage, relative to input range, (+/-) | 0.1 %; @ 0 ... +60 °C; ±0.2% @ -25 ... +60 °C |
Current, relative to input range, (+/-) | 0.1 %; @ 0 ... +60 °C; ±0.2% @ -25 ... +60 °C |
Basic error limit (operational limit at 25 °C) |
Voltage, relative to input range, (+/-) | 0.05 % |
Current, relative to input range, (+/-) | 0.05 % |
Interrupts/diagnostics/status information |
Diagnostics function | Yes; Parameterizable |
Alarms |
Diagnostic alarm | Yes; Parameterizable |
Limit value alarm | Yes; Parameterizable all channels (end of cycle interrupt is also supported across modules) |
Hardware interrupt | Yes; Parameterizable, channels 0 to 7 (on exceeding limit value), at end of cycle |
Diagnostic messages |
Diagnostic information readable | Yes |
Diagnostics indication LED |
Group error SF (red) | Yes |
Potential separation |
Potential separation analog inputs |
between the channels and backplane bus | Yes |
Isolation |
Isolation tested with | 500 V AC |
Standards, approvals, certificates |
CE mark | Yes |
UL approval | Yes; File E239877 |
RCM (formerly C-TICK) | Yes |
KC approval | Yes |
EAC (formerly Gost-R) | Yes |
Railway application |
EN 50121-4 | No |
EN 50155 | No |
Ambient conditions |
Ambient temperature during operation |
min. | -25 °C; = Tmin |
max. | 60 °C; = Tmax |
Ambient temperature during storage/transportation |
min. | -40 °C |
max. | 70 °C |
Altitude during operation relating to sea level |
Installation altitude above sea level, max. | 5 000 m |
Ambient air temperature-barometric pressure-altitude | Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m) |
Relative humidity |
With condensation, tested in accordance with IEC 60068-2-38, max. | 100 %; RH incl. condensation/frost (no commissioning under condensation conditions) |
Resistance |
Use in stationary industrial systems |
— to biologically active substances according to EN 60721-3-3 | Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request |
— to chemically active substances according to EN 60721-3-3 | Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); * |
— to mechanically active substances according to EN 60721-3-3 | Yes; Class 3S4 incl. sand, dust, * |
Use on ships/at sea |
— to biologically active substances according to EN 60721-3-6 | Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request |
— to chemically active substances according to EN 60721-3-6 | Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); * |
— to mechanically active substances according to EN 60721-3-6 | Yes; Class 6S3 incl. sand, dust; * |
Remark |
— Note regarding classification of environmental conditions acc. to EN 60721 | * The supplied plug covers must remain in place over the unused interfaces during operation! |
Connection method |
required front connector | 40-pin |
Dimensions |
Width | 40 mm |
Height | 125 mm |
Depth | 120 mm |
Weights |
Weight, approx. | 272 g |
last modified: | 03/13/2019 |