6ES7331-7PF01-0AB0

Overview

6ES7331-7PF01-0AB0 is a Siemens SIMATIC S7-300 SM 331 analog input module, designed for isolated resistance measurement with 8 channels and support for multiple RTD types.

Module Identity

• Model: 6ES7331-7PF01-0AB0

• Type: Analog Input Module (SM 331)

• Product Line: SIMATIC S7-300

• Manufacturer: Siemens

• Number of Analog Inputs: 8

Input Specifications

• Resistance Measurement Channels: 8

• Permissible Input Voltage (destruction limit):

  • Max 75 V

  • 35 V continuous

  • 75 V for max. 1 s (mark-to-space ratio 1:20)

• Input Ranges:

  • Voltage: No

  • Current: No

  • Thermocouple: No

  • Resistance Thermometer: Yes

  • Resistance: Yes

Characteristic Linearization

• Parameterizable: Yes

• Supported RTD Types: Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10

• Standards: GOST 16 (internal 24-bit)

• Conversion Time: 50 ms

Cable Specifications

• Shielded Cable Length (max): 200 m

Physical Data

• Dimensions (W × H × D): 40 × 125 × 120 mm

• Weight: 0.272 kg

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