Siemens | 6ES7331-7KF02-0AB0 | SIMATIC S7-300 Analog input

SKU: 6ES7331-7KF02-0AB0
  • Manufacturer: Siemens

  • Product No.: 6ES7331-7KF02-0AB0

  • Condition:In stock

  • Product Type: SIMATIC S7-300 Analog input

  • Product Origin: Germany

  • Payment:T/T, Western Union

  • Weight: 250g

  • Shipping port: Xiamen

  • Warranty: 12 months

Overview

  • Model: 6ES7331-7KF02-0AB0
  • Product: SIMATIC S7-300 Analog Input SM 331
  • Input Type: Isolated, 8 AI, with alarm and diagnostics

Electrical Specifications

  • Rated Supply Voltage: 24 V DC
  • Input Current: Max. 30 mA (without load), Max. 50 mA (from backplane bus)
  • Power Loss: Typ. 1 W
  • Short-circuit Protection: No (external protection required)
  • Reverse Polarity Protection: Yes

Input Ranges

  • Voltage:

    • 1 V to 5 V (Input resistance 100 kΩ)
    • -1 V to +1 V (Input resistance 10 MΩ)
    • -10 V to +10 V (Input resistance 100 kΩ)
    • -2.5 V to +2.5 V (Input resistance 100 kΩ)
    • -250 mV to +250 mV (Input resistance 10 MΩ)
    • -5 V to +5 V (Input resistance 100 kΩ)
    • -500 mV to +500 mV (Input resistance 10 MΩ)
    • -80 mV to +80 mV (Input resistance 10 MΩ)
  • Current:

    • 0 to 20 mA (Input resistance 25 Ω)
    • -10 mA to +10 mA (Input resistance 25 Ω)
    • -20 mA to +20 mA (Input resistance 25 Ω)
    • 4 mA to 20 mA (Input resistance 25 Ω)
  • Thermocouples:

    • Type E, J, K, L, N (Input resistance 10 MΩ)
  • Resistance Thermometer:

    • Ni 100, Pt 100 (Input resistance 10 MΩ)
  • Resistor:

    • 0 to 150 ohms, 0 to 300 ohms, 0 to 600 ohms (Input resistance 10 MΩ)

Performance & Diagnostics

  • Resolution: Max. 15 bit, 9/12/14 bits (unipolar/bipolar)

  • Integration Time: Parameterizable (2.5/16.67/20/100 ms)

  • Basic Conversion Time: 3 / 17 / 22 / 102 ms

  • Operational Error Limit:

    • Voltage: ±1%
    • Current: ±0.7%
    • Resistance: ±0.7%
    • Thermocouples: ±1.1%
  • Diagnostics Function: Parameterizable

  • Alarms: Diagnostic and limit value alarms, parameterizable

  • LED Indications:

    • Group Error SF (red): Yes

Dimensions

  • Width: 40 mm
  • Height: 125 mm
  • Depth: 117 mm
  • Weight: 250 g

Additional Information

  • Connection Method: 20-pin front connector required
  • Isolation: Tested with 500 V DC
  • Temperature Compensation: Internal and external with compensations socket
Order and Warranty Information

Terms of Purchase and Returns

Detailed guidelines on minimum order quantity, delivery times, payment options, warranty, and return policies.

We gladly accept bulk orders, with a minimum order quantity of just one unit.

Upon request, we can provide all necessary documents, including Certificates of Origin/Conformance and other required export paperwork.

We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% payable before shipment. For RMB transfers, please contact us if you have an agent in China.

All new and original items come with a standard one-year warranty. For extended warranty options, feel free to contact us for pricing details.

We prioritize your satisfaction. If you need to return an item, it must be done within 30 days of purchase. The product must be unused, unopened, and in its original packaging, including all accessories. Refunds will be processed within 5-7 business days of receiving the return. Please note, shipping and handling charges are non-refundable.

Product comparison