SIMATIC S7-300, Analog input SM 331, isolated, 8 AI thermocouples Type B, E, J, K, L, N, R, S, T TXK/TXK (L) according to GOST 16 bit, 50ms, 1x 40-pole More
SIMATIC S7-300, Analog input SM 331, isolated, 8 AI thermocouples Type B, E, J, K, L, N, R, S, T TXK/TXK (L) according to GOST 16 bit, 50ms, 1x 40-pole More
SIMATIC S7-300, analog input SM 331, isolated, 8 AI thermocouples type B, E, J, K, L, N, R, S, T TXK/TXK (L) according to GOST 16 bit, 50 ms, 1x 40-pole
Need to buy or repair this part? We will check replacement part availability and the options for diagnosing and repairing your faulty unit.
24 VSupply voltage / Load voltage L+ / Rated value (DC)
YesSupply voltage / Load voltage L+ / Reverse polarity protection
8Analog inputs / Number of analog inputs
Application and selection
Compare the complete order number and specifications below with the original part and machine wiring. Check the design, interfaces, supply voltage or connection method as applicable to this product.
Technical specifications
Manufacturer
Siemens
Order number
6ES7331-7PF11-0AB0
General information / Product function / Isochronous mode
No
Supply voltage / Load voltage L+ / Rated value (DC)
24 V
Supply voltage / Load voltage L+ / Reverse polarity protection
Yes
Input current / from load voltage L+ (without load), max.
240 mA
Input current / from backplane bus 5 V DC, max.
100 mA
Power loss / Power loss, typ.
3 W
Analog inputs / Number of analog inputs
8
Analog inputs / permissible input voltage for voltage input (destruction limit),
75 V; 20 V DC permanent, 75 V DC for max. 1 s (duty factor 1:20)
Analog inputs / Constant measurement current for resistance-type transmitter,
0.7 mA
Analog inputs / Input ranges / Voltage
No
Analog inputs / Input ranges / Current
No
Analog inputs / Input ranges / Thermocouple
Yes
Analog inputs / Input ranges / Resistance thermometer
No
Analog inputs / Input ranges / Resistance
No
Analog inputs / Input ranges (rated values), voltages / 0 to +10 V
No
Analog inputs / Input ranges (rated values), voltages / 1 V to 5 V
No
Analog inputs / Input ranges (rated values), voltages / 1 V to 10 V
No
Analog inputs / Input ranges (rated values), voltages / -1 V to +1 V
No
Analog inputs / Input ranges (rated values), voltages / -10 V to +10 V
No
Analog inputs / Input ranges (rated values), voltages / -2.5 V to +2.5 V
No
Analog inputs / Input ranges (rated values), voltages / -250 mV to +250 mV
No
Analog inputs / Input ranges (rated values), voltages / -5 V to +5 V
No
Analog inputs / Input ranges (rated values), voltages / -50 mV to +50 mV
No
Analog inputs / Input ranges (rated values), voltages / -500 mV to +500 mV
No
Analog inputs / Input ranges (rated values), voltages / -80 mV to +80 mV
No
Analog inputs / Input ranges (rated values), currents / 0 to 20 mA
No
Analog inputs / Input ranges (rated values), currents / -10 mA to +10 mA
No
Analog inputs / Input ranges (rated values), currents / -20 mA to +20 mA
No
Analog inputs / Input ranges (rated values), currents / -3.2 mA to +3.2 mA
No
Analog inputs / Input ranges (rated values), currents / 4 mA to 20 mA
No
Analog inputs / Input ranges (rated values), thermocouples / Type B
Yes
Analog inputs / Input ranges (rated values), thermocouples / type C
Yes
Analog inputs / Input ranges (rated values), thermocouples / Type E
Yes
Analog inputs / Input ranges (rated values), thermocouples / Type J
Yes
Analog inputs / Input ranges (rated values), thermocouples / Type K
Yes
Analog inputs / Input ranges (rated values), thermocouples / Type L
Yes
Analog inputs / Input ranges (rated values), thermocouples / Type N
Yes
Analog inputs / Input ranges (rated values), thermocouples / Type R
Yes
Analog inputs / Input ranges (rated values), thermocouples / Type S
Yes
Analog inputs / Input ranges (rated values), thermocouples / Type T
Yes
Analog inputs / Input ranges (rated values), thermocouples / Type U
Yes
Analog inputs / Input ranges (rated values), thermocouples / Type TXK/TXK(L) to GOST
Yes
Analog inputs / Input ranges (rated values), resistance thermometer / Cu 10
No
Analog inputs / Input ranges (rated values), resistance thermometer / Ni 100
No
Analog inputs / Input ranges (rated values), resistance thermometer / Ni 1000
Analog inputs / Input ranges (rated values), resistors / 0 to 150 ohms
No
Analog inputs / Input ranges (rated values), resistors / 0 to 300 ohms
No
Analog inputs / Input ranges (rated values), resistors / 0 to 600 ohms
No
Analog inputs / Input ranges (rated values), resistors / 0 to 6000 ohms
No
Analog inputs / Thermocouple (TC) / Temperature compensation / Parameterizable
Yes
Analog inputs / Thermocouple (TC) / Temperature compensation / internal temperature compensation
Yes
Analog inputs / Thermocouple (TC) / Temperature compensation / external temperature compensation with Pt100
Yes
Analog inputs / Thermocouple (TC) / Temperature compensation / external temperature compensation with
Yes
Analog inputs / Thermocouple (TC) / Temperature compensation / for definable comparison point temperature
Yes
Analog inputs / Characteristic linearization / Parameterizable
Yes
Analog inputs / Characteristic linearization / for thermocouples
Type B, E, J, K, L, N, R, S. T, U, C
Analog inputs / Cable length / shielded, max.
100 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
Analog value generation for the inputs / Integration and conversion time/resolution per channel / Integration time, parameterizable
Yes
Analog value generation for the inputs / Integration and conversion time/resolution per channel / Basic conversion time (ms)
Up to 4 channels: 10 ms per module, 5 channels upwards: 190 ms per module
Analog value generation for the inputs / Integration and conversion time/resolution per channel / Interference voltage suppression for interference
400 / 60 / 50 Hz
Errors/accuracies / Operational error limit in overall temperature range / Voltage, relative to input range, (+/-)
±1 K
Errors/accuracies / Operational error limit in overall temperature range / Thermocouple, relative to input range, (+/-)
Type T: ±0.18%, Type U: ±0.15%, Type E: ±0.12%, Type J: ±0.12%, Type L: ±0.17%, Type K: ±0.15%, Type N: ±0.17%, Type R: ±0.08%, Type S: ±0.10%, Type B: ±0.13%, Type C: ±0.10%, TXK/XK(L): ±1.00% accuracy in the lower range of the characteristic curve
Errors/accuracies / Basic error limit (operational limit at 25 °C) / Thermocouple, relative to input range, (+/-)
Type T: ±0.13%, Type U: ±0.08%, Type E: ±0.05%, Type J: ±0.04%, Type L: ±0.06%, Type K: ±0.04%, Type N: ±0.04%, Type R: ±0.03%, Type S: ±0.03%, Type B: ±0.05%, Type C: ±0.02%, TXK/XK(L): ±0.67 % accuracy in the lower range of the characteristic curve
Interrupts/diagnostics/status information / Diagnostics function
Yes; Parameterizable
Interrupts/diagnostics/status information / Alarms / Diagnostic alarm
Yes; Parameterizable per group
Interrupts/diagnostics/status information / Alarms / Limit value alarm
Yes; Parameterizable
Interrupts/diagnostics/status information / Alarms / Hardware interrupt
Yes; Parameterizable, channels 0 to 7
Interrupts/diagnostics/status information / Diagnoses / Diagnostic information readable
Yes
Interrupts/diagnostics/status information / Diagnostics indication LED / Group error SF (red)
Yes
Potential separation / Potential separation analog inputs / between the channels
Yes
Potential separation / Potential separation analog inputs / between the channels, in groups of
2
Potential separation / Potential separation analog inputs / between the channels and backplane bus
Yes
Potential separation / Potential separation analog inputs / between the channels and the power supply of the
Yes
Isolation / Isolation tested with
500 V DC
Connection method / required front connector
40-pin
Dimensions / Width
40 mm
Dimensions / Height
125 mm
Dimensions / Depth
120 mm
Weights / Weight, approx.
272 g
Product type designation
SM 331
Number of poles
40
Supported signals and ranges
Supply voltage / Load voltage L+ / Rated value (DC): 24 V
Supply voltage / Load voltage L+ / Reverse polarity protection: Yes
Input current / from load voltage L+ (without load), max.: 240 mA
Analog inputs / permissible input voltage for voltage input (destruction limit),: 75 V; 20 V DC permanent, 75 V DC for max. 1 s (duty factor 1:20)
Analog inputs / Constant measurement current for resistance-type transmitter,: 0.7 mA
Analog inputs / Input ranges / Voltage: No
Analog inputs / Input ranges / Current: No
Analog inputs / Input ranges / Thermocouple: Yes
Scope of supply
We will confirm the exact version, package contents and related accessories before ordering. Package information in the technical table applies to the stated order number.
Frequently asked questions
Is the same product family enough to identify a replacement?
The complete order number is essential. If the type changes, compare the electrical and mechanical design, connections and requirements of the original application.
What information is needed to check connections and accessories?
Send a nameplate photo, the designations of related modules and connectors and, where needed, a wiring diagram. We will check the specific version for your application.
Can you assess a faulty part?
Yes. Send the complete order number and a description of the fault. We will check the diagnostic and professional repair options for your specific unit.
Why buy from FOXON
1
Replacement part availability
We will check current part availability and confirm the possible delivery date before you order.
2
New original and refurbished parts
We will specify the available version and condition of the particular unit in the quotation.
3
Parts with a warranty
We will confirm the warranty period according to the part condition and specific quotation.
4
Diagnostics and repairs
For a faulty unit, we will check the options for diagnostics and professional repair.
More than 3,500customers
We deliver tomore than 100 countries
Express delivery?We will check. Contact us now.
Part conditions available for sale
Part conditions and warranty
New, sealed (NC): Brand-new, unused part in unopened original packaging. 12-month warranty.
New, opened (NO): Brand-new and unused part, but the original packaging has been opened. 12-month warranty.
New, without packaging (NW): Brand-new and unused part, supplied without original packaging. 12-month warranty.
New (N): New and unused part, typically smaller components supplied in multi-packs in one original package. 12-month warranty.
Refurbished (R): Part has been removed from service, cleaned, inspected and tested to meet original functionality and quality. 12-month warranty.
Used, tested (T): Functional used part that has passed full testing. 6-month warranty.
Used (U): Functional used part. 3-month warranty.
Sales, repairs and buyback of automation parts
We supply replacement parts for industrial automation and assess faulty units for diagnostics and repair. We also buy surplus parts. Send the exact designation and required quantity.
