| SIPLUS S7-300 SM 331 8AI with conformal coating based on 6ES7331-7PF01-0AB0 . Analog input 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 |
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 |
Measurement principle | integrating |
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 |
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 DC |
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. | 0 °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: | 03/25/2019 |