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Siemens 6ES7331-1KF02-0AB0 — Analog Input Modules

Siemens 6ES7331-1KF02-0AB0 Analog Input Module, Pt100/Ni100

MPN6ES7331-1KF02-0AB0
End of Life

Siemens S7-300 analog input module, 6ES7331-1KF02-0AB0, supports Pt100 and Ni100 RTDs, resistance up to 600 ohms, voltage ranges including ±10 V and 0–10 V, current 0–20 mA and 4–20 mA. Width 40 mm, depth 117 mm, height 125 mm.

$180.00Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

6ES7331-1KF02-0AB0 — Inputs & Signal Ranges
ParameterValue
Number of analog inputs8
Current input rangeYes
Voltage input rangeYes
Resistance measuring rangesYes
RTD support (resistance thermometer)Yes
Thermocouple support (types)No
Input range: 0 to 20 mAYes
Input range: 4 to 20 mAYes
Input range: -10 to +10 VYes
Input range: -5 to +5 VYes
Input range: -80 to +80 mVNo
Input range: 0 to 600 OhmYes
RTD type: Pt100Yes; Standard/climate
RTD type: Pt200No
Current measurement: 2-wire transducerYes; with external supply
Current measurement: 4-wire transducerYes
Input resistance (0 to 20 mA)100 Ω
Input resistance (4 to 20 mA)100 Ω
Input resistance (-10 to +10 V)100 kΩ
Permissible input voltage, max. (destruction limit)30 V; 12 V continuous, 30 V for max. 1 s
Permissible input current, max. (destruction limit)40 mA
Max. shielded signal cable length200 m; max. 50 m at 50 mV
6ES7331-1KF02-0AB0 — Measurement Performance
ParameterValue
Resolution (bit incl. sign), max.13 bit
Voltage measurement error (±)0.4 %; 0.4% (±5 V, 10 V, 1 to 5 V, 0 to 10 V); 0.3% (±50 mV, 500 mV, 1 V)
Current measurement error (±)0.3 %; ±20 mA, 0 to 20 mA, 4 to 20 mA
Interference voltage suppression (at interference frequency)50 / 60 Hz
6ES7331-1KF02-0AB0 — Diagnostics & Monitoring
ParameterValue
Diagnostic alarmNo
Diagnostics functionNo
Limit value alarmNo
6ES7331-1KF02-0AB0 — Isolation
ParameterValue
Isolation: channels to backplane busYes
Isolation: between channelsNo
Isolation test voltage500 V DC
6ES7331-1KF02-0AB0 — Power
ParameterValue
Power loss, typ.0.4 W
6ES7331-1KF02-0AB0 — Mechanical
ParameterValue
Required front connector40-pin
Width40 mm
Height125 mm
Depth117 mm
Weight, approx.250 g

Product details

Input versatility

The 6ES7331-1KF02-0AB0: Supports Pt100 and Ni100 RTDs with standard/climate linearization, plus LG-Ni1000 and resistance measurements up to 600 ohms. Voltage inputs span -10 V to +10 V, 1 V to 5 V, and 0 to +10 V; current inputs handle 0 to 20 mA and 4 to 20 mA.

Dimensions and fit

Width 40 mm, depth 117 mm, height 125 mm. These are standard S7-300 dimensions; the module mounts in any slot of the rack and routes wiring to the front connector.

Frequently asked questions

What are the module dimensions?

Width 40 mm, depth 117 mm, height 125 mm.

MPN
6ES7331-1KF02-0AB0