• Siemens 6ES5466-3LA11
  • Siemens 6ES5466-3LA11
  • Siemens 6ES5466-3LA11
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Siemens 6ES5466-3LA11 SIMATIC S5 Analog Input Module

Siemens 6ES5466-3LA11 SIMATIC S5 Analog Input Module

The Siemens 6ES5466-3LA11 is a floating (galvanically isolated) analog input module designed for integration within the SIMATIC S5 automation family. It is compatible with S5-115U/H/F, S5-135U, and S5-155U/H PLC systems,...

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SKU: 6ES5466-3LA11
Vendor: Siemens
Category: Analog Input Module
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The Siemens 6ES5466-3LA11 is a floating (galvanically isolated) analog input module designed for integration within the SIMATIC S5 automation family. It is compatible with S5-115U/H/F, S5-135U, and S5-155U/H PLC systems, providing reliable signal acquisition for industrial process control.

Features

  • Compatible with S5-115U/H/F, S5-135U, and S5-155U/H PLC series.
  • Configurable for 16 single-ended or 8 differential analog input channels.
  • Floating design ensures galvanic isolation between input circuits and the PLC internal bus.
  • Supports a wide range of voltage and current input signals.
  • Designed for integration in electrically noisy industrial environments.

Applications

  • Process variable monitoring (temperature, pressure, flow, and level).
  • Motion and position control systems.
  • Industrial infrastructure, including water treatment and oil and gas facilities.
  • Logic control in automated production lines.

Technical Specifications

Model 6ES5466-3LA11
Input Channels 16 (single-ended) or 8 (differential)
Input Impedance (Voltage) > 10 MΩ
Input Impedance (Current) 125 Ω
Internal Supply Voltage +5 V (+/- 5%)
Internal Current Consumption Typically 0.6 A
Power Loss 3 W
Rated Isolation Voltage 500 V (channels to ground)
Supported Input Ranges 0-20 mA, 4-20 mA, +/- 20 mA, 0-1.25 V, 0-2.5 V, 0-5 V, 1-5 V, 0-10 V, +/- 1.25 V, +/- 2.5 V, +/- 5 V, +/- 10 V

Installation Guidelines

  • Ensure the PLC system is powered down before inserting or removing the module from the rack.
  • Use shielded twisted-pair cabling for all analog signal connections to minimize EMI/RFI interference.
  • The module does not provide power to 2-wire transducers; ensure an external power supply is used in series with the loop.
  • Maintain proper grounding practices to ensure the integrity of the floating isolation barrier.
  • Ensure adequate ventilation in the cabinet to dissipate the 3 W typical power loss.

FAQ

What is the 6ES5466-3LA11 module?

The 6ES5466-3LA11 is an analog input module used in S5-115U/H/F, S5-135U, and S5-155U/H PLC systems to acquire field analog voltage or current signals.

How many analog inputs does the 6ES5466-3LA11 have?

The module supports 16 single-ended analog input channels or 8 differential analog input channels, depending on the configuration.

What is the input impedance of the 6ES5466-3LA11 module?

For voltage inputs, the input impedance is greater than 10 MΩ; for current inputs, the input loop resistance is 125 Ω.