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Siemens 6ES7331-7PF00-0AB0 — Analog Input Modules

Siemens 6ES7331-7PF00-0AB0 8-Ch AI Module, EOL Hot

MPN6ES7331-7PF00-0AB0
End of Life

Siemens SIMATIC S7-300, 8-channel analog input module, 6ES7331-7PF00-0AB0, for resistance thermometers, 24 V DC, EOL hot.

$860.00 – $902.97Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

6ES7331-7PF00-0AB0 — Inputs & Signal Ranges
ParameterValue
Number of analog inputs8
Resistance measuring rangesYes
RTD support (resistance thermometer)Yes
Input range: 0 to 600 OhmYes
RTD type: Pt100Yes
RTD type: Pt200Yes
Permissible input voltage, max. (destruction limit)75 V; 35 V continuous, 75 V for max. 1 s (mark to space ratio 1:20)
Max. shielded signal cable length200 m
6ES7331-7PF00-0AB0 — Measurement Performance
ParameterValue
Resolution (bit incl. sign), max.16 bit; Two's complement
Interference voltage suppression (at interference frequency)400 / 60 / 50 Hz
6ES7331-7PF00-0AB0 — Diagnostics & Monitoring
ParameterValue
Diagnostic alarmYes; Parameterizable per group
Diagnostics functionYes; Parameterizable
Limit value alarmYes; Parameterizable
6ES7331-7PF00-0AB0 — Isolation
ParameterValue
Isolation: channels to backplane busYes
Isolation: between channelsYes
Isolation test voltage500 V DC
6ES7331-7PF00-0AB0 — Power
ParameterValue
Rated value (DC)24 V
Power loss, typ.4.6 W
Reverse polarity protectionYes
6ES7331-7PF00-0AB0 — Mechanical
ParameterValue
Required front connector40-pin
Width40 mm
Height125 mm
Depth120 mm
Weight, approx.272 g

Product details

Integrator note

The 6ES7331-7PF00-0AB0: 8-channel analog input module for the S7-300 family, designed for resistance thermometers (Pt100, Ni100, Cu10). Parameterizable diagnostics and hardware interrupt per channel group. Requires a 40-pin front connector; power draw 4.6 W from the backplane plus 100 mA from the 5 V bus.

Integration notes

Mounts in S7-300 rail, 40 x 125 x 120 mm, approx. 272 g. Shielded sensor cable up to 200 m. Conversion time: 10 ms per module for up to 4 channels, 80 ms for 8 channels. Reverse polarity protection and isolation tested at 500 V DC.

Frequently asked questions

What front connector is required?

It requires a 40-pin front connector.

What is the conversion time?

10 ms per module for up to 4 channels, 190 ms for over 5 channels, 80 ms for 8 channels.

MPN
6ES7331-7PF00-0AB0