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Siemens SIMATIC S7-400 6ES7431-1KF20-0AB0 analog input module, product image 1

Siemens

Siemens SIMATIC S7-400 6ES7431-1KF20-0AB0 analog input module

Manufacturer part number: 6ES7431-1KF20-0AB0ESYS SKU: 6ES7431-1KF20-0AB0

Net unit price, VAT 0%

€1,425.84

VAT 25.5% and delivery are shown separately in the request summary.

Current availability

Current available stock: 1 pcs
Minimum order
1 pcs
Order increment
1 pcs
Availability checked
1 Sept 2026, 08:45

Siemens SIMATIC S7-400 6ES7431-1KF20-0AB0 analog input module. Key selection data: Number of analog inputs: 8; Supported input signal ranges: -1 V ... +1 V, 1 V ... 5 V, -10 V ... +10 V, -20 mA ... +20 mA, 4 mA ... 20 mA; Resistance-range relative accuracy: ±0.7 %, 0 ... 600 Ω; Maximum resolution: 14 bit.

pcs

Information for product selection

Typical applications

  • Connecting analog field signals to an automation system
  • Integrating process measurements into distributed I/O
  • Replacement in an existing Siemens assembly when article number 6ES7431-1KF20-0AB0 matches

Key specifications

Number of analog inputs
8
Supported resistance ranges
0 ... 600 Ω
Resistance-range relative accuracy
±0.7 %; 0 ... 600 Ω
Supported wiring modes
2-wire, 3-wire, 4-wire
Supported input signal ranges
-1 V ... +1 V, 1 V ... 5 V, -10 V ... +10 V, -20 mA ... +20 mA, 4 mA ... 20 mA
Maximum resolution
14 bit
Show additional verified specifications
Conversion time per channel
52 µs
Supply voltage
24 V DC; Only required for supplying 2-wire transmitters
Input resistance for -1 V ... +1 V
10 MΩ
Width
25 mm
Height
290 mm
Depth
210 mm

Lifecycle

Status
Phase-out

Compatibility and related parts

  • 6ES7431-1KF20-0AB0

    Replacement: Replacement is allowed only when the target article number is exactly 6ES7431-1KF20-0AB0; this does not establish interchangeability with any other Siemens article.

Official manufacturer documents