6AG1331-7KB02-2AB0

SIPLUS S7-300 SM 331 2 AI 20-pole based on 6ES7331-7KB02-0AB0 with conformal coating, -25…+70 °C, analog input isolated 2 AI, resolution 9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20-pole, removing/inserting with active backplane bus

Siemens spare part — S7-300 product cancellation (PM410, 1 October 2025); available as a spare part until 2033.

Categorie de produs

Module analogice

Producător

SIEMENS

Serie de produse

S7-300

General information
based on	6ES7331-7KB02-0AB0
Product function
Isochronous mode	No
Supply voltage
Load voltage L+
Rated value (DC)	24 V
Reverse polarity protection	Yes
Input current
from load voltage L+ (without load), max.	80 mA
from backplane bus 5 V DC, max.	50 mA
Power loss
Power loss, typ.	1.3 W
Analog inputs
Number of analog inputs	2
For resistance measurement	1
permissible input voltage for voltage input (destruction limit), max.	20 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
Constant measurement current for resistance-type transmitter, typ.	1.67 mA
Input ranges
Voltage	Yes
Current	Yes
Thermocouple	Yes
Resistance thermometer	Yes
Resistance	Yes
Input ranges (rated values), voltages
0 to +10 V	No
1 V to 5 V	Yes
Input resistance (1 V to 5 V)	100 kΩ
1 V to 10 V	No
-1 V to +1 V	Yes
Input resistance (-1 V to +1 V)	10 MΩ
-10 V to +10 V	Yes
Input resistance (-10 V to +10 V)	100 kΩ
-2.5 V to +2.5 V	Yes
Input resistance (-2.5 V to +2.5 V)	100 kΩ
-250 mV to +250 mV	Yes
Input resistance (-250 mV to +250 mV)	10 MΩ
-5 V to +5 V	Yes
Input resistance (-5 V to +5 V)	100 kΩ
-50 mV to +50 mV	No
-500 mV to +500 mV	Yes
Input resistance (-500 mV to +500 mV)	10 MΩ
-80 mV to +80 mV	Yes
Input resistance (-80 mV to +80 mV)	10 MΩ
Input ranges (rated values), currents
0 to 20 mA	Yes
Input resistance (0 to 20 mA)	25 Ω
-10 mA to +10 mA	Yes
Input resistance (-10 mA to +10 mA)	25 Ω
-20 mA to +20 mA	Yes
Input resistance (-20 mA to +20 mA)	25 Ω
-3.2 mA to +3.2 mA	Yes
Input resistance (-3.2 mA to +3.2 mA)	25 Ω
4 mA to 20 mA	Yes
Input resistance (4 mA to 20 mA)	25 Ω
Input ranges (rated values), thermocouples
Type E	Yes
Input resistance (Type E)	10 MΩ
Type J	Yes
Input resistance (type J)	10 MΩ
Type K	Yes
Input resistance (Type K)	10 MΩ
Type L	No
Type N	Yes
Input resistance (Type N)	10 MΩ
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	Yes
Input resistance (Ni 100)	10 MΩ; Standard
Pt 100	Yes
Input resistance (Pt 100)	10 kΩ; Standard
Input ranges (rated values), resistors
0 to 150 ohms	Yes
Input resistance (0 to 150 ohms)	10 MΩ
0 to 300 ohms	Yes
Input resistance (0 to 300 ohms)	10 MΩ
0 to 600 ohms	Yes
Input resistance (0 to 600 ohms)	10 MΩ
0 to 6000 ohms	No
Thermocouple (TC)
Temperature compensation
Parameterizable	Yes
internal temperature compensation	Yes
external temperature compensation with compensations socket	Yes
for definable comparison point temperature	Yes
Characteristic linearization
Parameterizable	Yes
for thermocouples	Type E, J, K, L, N
for resistance thermometer	Pt100 (standard, climatic range), Ni100 (standard, climatic range)
Cable length
shielded, max.	200 m; 50 m at 80 mV and thermocouples
Analog value generation for the inputs
Integration and conversion time/resolution per channel
Resolution with overrange (bit including sign), max.	15 bit; Unipolar: 9/12/12/14 bit; bipolar: 9 bit + sign/12 bit + sign/12 bit + sign/14 bit + sign
Integration time, parameterizable	Yes; 2,5 / 16,67 / 20 / 100 ms
Interference voltage suppression for interference frequency f1 in Hz	400 / 60 / 50 / 10 Hz
Encoder
Connection of signal encoders
for voltage measurement	Yes
for current measurement as 2-wire transducer	Yes
for current measurement as 4-wire transducer	Yes
for resistance measurement with two-wire connection	Yes
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
Voltage, relative to input range, (+/-)	1 %; ±1% (80 mV); ±0.6% (250 mV to 1 000 mV); ±0.8% (2.5 V to 10 V) @ 0 ... +60 °C; ±1.3% (80 mV); ±0.8% (250 mV to 1 000 mV); ±1% (2.5 V to 10 V) @ -25 ... +70 °C
Current, relative to input range, (+/-)	0.7 %; @ 0 ... +60 °C; ±0.9% @ -25 ... +70 °C; from 3.2 mA to 20 mA
Resistance, relative to input range, (+/-)	0.7 %; @ 0 ... +60 °C; ±0.9% @ -25 ... +70 °C; 150, 300, 600 ohm
Resistance thermometer, relative to input range, (+/-)	0.7 %; ±0.7 % (Pt100 / Ni100); ±0.8 % (Pt100 climate) @ 0 ... +60 °C; ±0.9 % (Pt100 / Ni100); ±1 % (Pt100 climate) @ -25 ... +70 °C
Thermocouple, relative to input range, (+/-)	1.1 %; @ 0 ... +60 °C; 1.3% @ -25 ... +70 °C; type E, J, K, L, N
Basic error limit (operational limit at 25 °C)
Voltage, relative to input range, (+/-)	0.6 %; ±0.6% (80 mV, 2.5 V to 10 V); ±0.4% (250 mV to 1 000 mV)
Current, relative to input range, (+/-)	0.5 %; 3.2 to 20 mA
Resistance, relative to input range, (+/-)	0.5 %; 150, 300, 600 Ohm
Resistance thermometer, relative to input range, (+/-)	0.6 %; ±0.5% (Pt100/ Ni100), ±0.6% (Pt100 climate)
Thermocouple, relative to input range, (+/-)	0.7 %; Type E, N, J, K, L
Interrupts/diagnostics/status information
Diagnostics function	Yes; Parameterizable
Alarms
Diagnostic alarm	Yes
Limit value alarm	Yes; Parameterizable, channel 0
Diagnoses
Diagnostic information readable	Yes
Diagnostics indication LED
Group error SF (red)	Yes
Potential separation
Potential separation analog inputs
between the channels	No
between the channels and backplane bus	Yes
between the channels and the power supply of the electronics	Yes; Not for 2-wire transmitters
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.	-25 °C; = Tmin
max.	70 °C; = Tmax; 60 °C @ UL/cUL, ATEX and FM use
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; *
Usage in industrial process technology
Against chemically active substances acc. to EN 60654-4	Yes; Class 3 (excluding trichlorethylene)
Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04	Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)
Remark
Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04	* The supplied plug covers must remain in place over the unused interfaces during operation!
Connection method
required front connector	20-pin
Dimensions
Width	40 mm
Height	125 mm
Depth	120 mm
Weights
Weight, approx.	250 g
Approvals / Certificates