
Siemens 6ES7331-1KF00-0AB0
MPN6ES7331-1KF00-0AB0
End of Life
SIMATIC S7-300, ANALOG INPUT SM 331, OPTICALLY ISOLATED, 8 AI, 13 BIT RESOLUTION, U/I/RESISTANCE, PT100, 66 MS MODULE UPDATE, 40 PIN
$159.33Ref. 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 | 8 |
| Current input range | Yes |
| Voltage input range | Yes |
| Resistance measuring ranges | Yes |
| RTD support (resistance thermometer) | 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: 0 to 600 Ohm | Yes |
| RTD type: Pt100 | Yes; Standard/climate |
| Current measurement: 2-wire transducer | Yes; with external supply |
| Current measurement: 4-wire transducer | Yes |
| Input resistance (0 to 20 mA) | 50 Ω |
| Input resistance (4 to 20 mA) | 50 Ω |
| Input resistance (-10 to +10 V) | 100 kΩ |
| Permissible input voltage, max. (destruction limit) | 30 V |
| Permissible input current, max. (destruction limit) | 40 mA; Protection available against destruction |
| Max. shielded signal cable length | 200 m; 50 m at 50 mV |
Measurement Performance
| Parameter | Value |
|---|---|
| Resolution (bit incl. sign), max. | 13 bit; Unipolar: 13/13 bit; bipolar: 12 bit + sign/12 bit + sign |
| Voltage measurement error (±) | 0.4 % |
| Current measurement error (±) | 0.4 % |
| Interference voltage suppression (at interference frequency) | 50 / 60 Hz |
Diagnostics & Monitoring
| Parameter | Value |
|---|---|
| Diagnostic alarm | No |
| Limit value alarm | No |
Isolation
| Parameter | Value |
|---|---|
| Isolation: channels to backplane bus | Yes |
| Isolation test voltage | 600 V DC |
Power
| Parameter | Value |
|---|---|
| Power loss, typ. | 0.4 W |
Mechanical
| Parameter | Value |
|---|---|
| Required front connector | 40-pin |
| Width | 40 mm |
| Height | 125 mm |
| Depth | 117 mm |
| Weight, approx. | 250 g |
MPN
6ES7331-1KF00-0AB0