Siemens S7-300 analog input module, 6ES7331-7NF10-0AB0, 40 mm wide, 125 mm high, 117 mm deep, voltage and current measurement ranges.
| Parameter | Value |
|---|---|
| Number of analog inputs | 8 |
| Current input range | Yes |
| Voltage input range | Yes |
| Resistance measuring ranges | No |
| RTD support (resistance thermometer) | No |
| Thermocouple support (types) | No |
| 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 | No |
| Input range: 0 to 600 Ohm | No |
| RTD type: Pt100 | No |
| RTD type: Pt200 | No |
| Current measurement: 2-wire transducer | Yes; with external transmitter, current supply; possible with separate supply for transmitter |
| Current measurement: 4-wire transducer | Yes |
| Input resistance (0 to 20 mA) | 250 Ω |
| Input resistance (4 to 20 mA) | 250 Ω |
| Input resistance (-10 to +10 V) | 10 MΩ |
| Permissible input voltage, max. (destruction limit) | 75 V; 35 V continuous, 75 V for max. 1 s (mark to space ratio 1:20) |
| Permissible input current, max. (destruction limit) | 40 mA |
| Max. shielded signal cable length | 200 m |
| Parameter | Value |
|---|---|
| Resolution (bit incl. sign), max. | 16 bit; Unipolar: 15/15/15/15 bit; bipolar: 15 bit + sign/15 bit + sign/15 bit + sign/15 bit + sign |
| Voltage measurement error (±) | 0.05 % |
| Current measurement error (±) | 0.05 % |
| Interference voltage suppression (at interference frequency) | 400 / 60 / 50 Hz, combinations of 400, 60, 50 Hz |
| Parameter | Value |
|---|---|
| Diagnostic alarm | Yes; Parameterizable |
| Diagnostics function | Yes; Parameterizable |
| Limit value alarm | Yes; Parameterizable all channels (end of cycle interrupt is also supported across modules) |
| Parameter | Value |
|---|---|
| Isolation: channels to backplane bus | Yes |
| Isolation: between channels | Yes |
| Isolation test voltage | 500 V AC |
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V |
| Power loss, typ. | 3 W |
| Reverse polarity protection | Yes |
| Parameter | Value |
|---|---|
| Required front connector | 40-pin |
| Width | 40 mm |
| Height | 125 mm |
| Depth | 117 mm |
| Weight, approx. | 272 g |
The Siemens 6ES7331-7NF10-0AB0 is an analog input module for the S7-300 rack. It handles voltage and current signals — not thermocouples, not RTDs like Pt100 or Cu10. The supported ranges cover the common process signals: 0 to 20 mA, 4 to 20 mA, 1 V to 5 V, -5 V to +5 V, and -10 V to +10 V.
The module is 40 mm wide, 125 mm high, and 117 mm deep — it occupies one standard S7-300 slot.
This part is sourced to order against an RFQ through independent distribution.
The module is 40 mm wide, 125 mm high, and 117 mm deep — it occupies one S7-300 slot.
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