SIEMENS SM331 (6ES7 331 7PF11 0AB0) - NS. COD. CF3024

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Model: SIEMENS SM331 (6ES7 331 7PF11 0AB0)

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 losses
Power loss, typ. 3 W
Analog inputs
Number of analog inputs 8
permissible input voltage for voltage input (destruction limit), max. 75 V ; 20 V DC permanent, 75 V DC for max. 1 s (duty factor 1:20)
Input ranges
Voltage No
Current No
Thermocouple Yes
Resistance thermometer No
Resistance No

Input ranges (rated values), voltages
0 to +10 V No
1 to 5 V No
1 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 to +10 mA No
-20 to +20 mA No
-3.2 to +3.2 mA No
4 to 20 mA No
Input ranges (rated values), thermoelements
Type B Yes
Type E Yes
Type J Yes
Type K Yes
Type L Yes
Type N Yes
Type R Yes
Type S Yes
Type T Yes
Type U Yes
Type TXK/TXK(L) to GOST Yes
Input ranges (rated values), resistance thermometers
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
Thermocouple (TC)
Characteristic linearization
for thermocouples Type B, E, J, K, L, N, R, S. T, U, C
Temperature compensation
Parameterizable Yes
internal temperature compensation Yes
external temperature compensation with compensations
socket
Yes
external temperature compensation with Pt100 Yes
Characteristic linearization
Parameterizable Yes
Cable length
Cable length, shielded, max. 100 m
Analog value creation
Measurement principle integrating
Integrations 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, 5 channels upwards: 190 ms
per module
Interference voltage suppression for interference frequency f1
in Hz
400 / 60 / 50 Hz
Errors/accuracies
Operational limit in overall temperature range
Voltage, relative to input area, (+/-) +/- 1 K
Isochronous mode
Isochronous operation (application synchronized up to terminal) No
Interrupts/diagnostics/status information
Alarms
Diagnostic alarm Yes ; Parameterizable per group
Limit value alarm Yes ; Parameterizable

Diagnostic messages
Diagnostic functions Yes ; Parameterizable
Diagnostic information readable Yes
Diagnostics Yes
Diagnostics indication LED
Group error SF (red) Yes
Galvanic isolation
Galvanic isolation analog inputs
between the channels No
between the channels, in groups of 2
between the channels and the backplane bus Yes
Connection method
required front connector 40-pin
Dimensions
Width 40 mm
Height 125 mm
Depth 120 mm
Weights
Weight, approx. 272 g

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