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Siemens 505-6108A | 8-Channel Analog Input Module for SIMATIC TI505

The Siemens 505-6108A is an 8-channel analog input module part of the SIMATIC TI505 series. It converts voltage/current signals (e.g., pressure, temperature, flow) into 12-bit digital data for precise process control. Supporting flexible input ranges (-5V to +5V, -10V to +10V, 0–20mA) and featuring optical isolation for noise immunity, it ensures reliable operation in harsh industrial environments. Bus-powered and single-wide, it easily replaces double-wide models without rewiring, making it ideal for new installations and retrofits.

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Basic Information

  • Model：505-6108A

  • Manufacturer：Siemens

  • Product Line：SIMATIC TI505 Series

  • Type：Analog Input Module

  • Form Factor：Single-wide (replaces double-wide models without rewiring)西门子工业支持

  • Number of Input Channels：8 (single-ended or differential)

  • Power Supply：Bus-powered (no external user power required)西门子工业支持

Electrical Specifications

  • Signal Ranges (select via jumper, all channels same range)

    • Voltage: -5V to +5V, -10V to +10V (optional), 0V to 5V西门子工业支持

    • Current: 0mA to 20mA西门子工业支持

  • Resolution：12 bits plus sign (1.25mV step for 0–5V range; 2.5mV step for ±10V range)

  • Accuracy

    • Voltage: ±0.82% of full scale (operating range); ±0.5% at 25°C西门子工业支持

    • Current: ±1.25% of full scale (operating range); ±0.7% at 25°C西门子工业支持

  • Temperature Coefficient：58 ppm/°C (voltage); 83 ppm/°C (current)

  • Input Impedance：1MΩ min (±5V range); 500kΩ min (±10V range)

  • Conversion Method：Dual-slope integration

  • Update Time：250ms max (all channels); 75ms typical

  • Input Protection：Overvoltage (30V DC clamp); overcurrent (30mA); optical isolation

Environmental & Physical

  • Operating Temperature：0°C to +60°C (32°F to 140°F)西门子工业支持

  • Storage Temperature：-40°C to +70°C (-40°F to 158°F)西门子工业支持

  • Wiring：Shielded twisted-pair (14–24 AWG / 0.18–1.5 mm²)西门子工业支持

  • Certifications：UL, CSA, CE, VDE 0160西门子工业支持

Key Features

  • Onboard Diagnostics：Module Good LED for power, self-test, and fuse status西门子工业支持

  • Signal Conditioning：8 precision resistors (250Ω, 0.1%) for current-to-voltage conversion西门子工业支持

  • Compatibility：Seamless integration with SIMATIC TI505 controllers; replaces double-wide 505-6108 without rewiring西门子工业支持