
Siemens 6ES7331-7KB82-0AB0
MPN6ES7331-7KB82-0AB0
End of Life
SIMATIC S7-300, ANALOG INPUT SM 331, OPTICALLY ISOLATED, FOR EXPANDED TEMPERATURE RANGE, 2 AI, 9/12/14 BIT RESOLUTION, U/I/THERMOCOUPLE/RESISTANCE, INTERRUPT, DIAGNOSTICS, 20 PIN
$170.31Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Inputs & Signal Ranges
| Parameter | Value |
|---|---|
| Number of analog inputs | 2 |
| Current input range | Yes |
| Voltage input range | Yes |
| Resistance measuring ranges | Yes |
| RTD support (resistance thermometer) | Yes |
| Thermocouple support (types) | Yes |
| Input range: 0 to 20 mA | Yes |
| Input range: 4 to 20 mA | Yes |
| Input range: -10 to +10 V | Yes |
| Input range: -5 to +5 V | Yes |
| Input range: -80 to +80 mV | Yes |
| Input range: 0 to 600 Ohm | Yes |
| RTD type: Pt100 | Yes; Standard |
| Current measurement: 2-wire transducer | Yes |
| Current measurement: 4-wire transducer | Yes |
| Input resistance (0 to 20 mA) | 25 Ω |
| Input resistance (4 to 20 mA) | 25 Ω |
| Input resistance (-10 to +10 V) | 100 kΩ |
| Permissible input voltage, max. (destruction limit) | 20 V |
| Permissible input current, max. (destruction limit) | 40 mA |
| Max. shielded signal cable length | 200 m; 50 m at 80 mV |
Measurement Performance
| Parameter | Value |
|---|---|
| Resolution (bit incl. sign), max. | 15 bit; Unipolar: 9/12/12/14 bit; bipolar: 9 bit + sign/12 bit + sign/12 bit + sign/14 bit + sign |
| Voltage measurement error (±) | 0.6 % |
| Current measurement error (±) | 0.6 % |
| Interference voltage suppression (at interference frequency) | 400 / 60 / 50 / 10 Hz |
Diagnostics & Monitoring
| Parameter | Value |
|---|---|
| Diagnostic alarm | Yes; Channel 0 |
| Limit value alarm | Yes |
Isolation
| Parameter | Value |
|---|---|
| Isolation: channels to backplane bus | Yes |
| Isolation test voltage | 500 V DC |
Power
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V |
| Power loss, typ. | 1.3 W |
| Reverse polarity protection | Yes |
Mechanical
| Parameter | Value |
|---|---|
| Required front connector | 20-pin |
| Width | 40 mm |
| Height | 125 mm |
| Depth | 120 mm |
| Weight, approx. | 250 g |
MPN
6ES7331-7KB82-0AB0