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6ES7331-7PF11-0AB0 Siemens
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6ES7331-7PF11-0AB0 Siemens

$428.52 - $1,772.50
$428.52
$428.52 - $1,772.50
$428.52
Surplus - Tested (With Warranty)
Need a Specific Revision?
$428.52
4 in stock
New / Open-Box Surplus
Need a Specific Revision?
$1,772.50
4 in stock
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Product Details

Description · Specifications · Product Overview

Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.

Product Overview

The Siemens SIMATIC S7-300 SM 331 analog input module 6ES7331-7PF11-0AB0 is an isolated, 8-channel thermocouple measurement module designed for temperature acquisition in industrial control systems. The module supports types B, E, J, K, L, N, R, S, T, and TXK/TXK(L) thermocouples per GOST standards, providing 16-bit resolution and a 50 ms conversion rate. Typical applications include process temperature monitoring, machine tool temperature feedback, and integration into modular S7-300 automated control systems for precise thermal measurements.

Best Suited For

  • Temperature measurement via thermocouples (B, E, J, K, L, N, R, S, T, TXK/TXK(L))
  • Integration into SIMATIC S7-300 control racks
  • Isolated analog input applications in industrial environments
  • Process monitoring in heating/cooling systems
Channels
8 thermocouple inputs
Resolution
16 bit
Conversion time
50 ms
Supply voltage
24 V DC
Power loss
≈ 3 W

Technical Specifications

I/O & Electrical

Supply voltage (load voltage L+)
24 V DC
Reverse-polarity protection
Yes
Input current (from load voltage L+, no load), max.
240 mA
Input current (from backplane bus 5 V DC), max.
100 mA
Power loss (typical)
3 W

Communication & Power

Analog inputs
8 thermocouple channels
Thermocouple types supported
B, E, J, K, L, N, R, S, T, TXK/TXK (L)
Resolution
16 bit
Basic conversion time
50 ms

Physical & Environmental

Width
40 mm
Height
125 mm
Depth
120 mm
Weight
272 g
Isolation tested
500 V DC
Cable length max. (shielded)
200 m

Certifications

EU DoCUK DoCULRCMChina RoHSATEXFMIECExABSDNVLRRINAMetrological Approval

EU and UK Declarations of Conformity, UL, RCM, China RoHS, Metrological Approval; ATEX, FM, IECEx, maritime approvals including ABS, DNV, LR, PRS, RINA.

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Rockwell Automation documentation

Access official manuals, datasheets, and lifecycle information for this part directly from Rockwell Automation.

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