Yokogawa|AAI135-S00|Analog Input Module

Description

Features

• 8 isolated channels for 4–20 mA analog input
• Supports 2-wire/4-wire transmitter configurations per channel
• Dual-redundant connection via terminal blocks
• Module-level isolation for noise immunity
• Direct cable connection without adapter possible

Technical Specifications

Module Overview

• Model: AAI135-S00
• Channels: 8 isolated input channels
• Signal Range: 4 to 20 mA (current input)
• Input Types:
  • 2-wire transmitter input (with power supply)
  • 4-wire transmitter input (without power supply)

Connection Types

• Pressure Clamp Terminals
  • Cable thickness: 0.5–2 mm² (AWG20–14) unsleeved; 0.5–1.5 mm² (AWG20–16) sleeved
  • Peel-off length: 11 mm for unsleeved cables
• MIL Cable: 40-pin connector with CBSE terminals for disconnection detection
• Terminal Blocks
  • Single: ATI3S, ATK4A
  • Dual-redundant: ATI3D, AEA4D, AEA3D
  • Adapter: ATK4A, ATI3A
  • Cable: KS1 Yokogawa-specific cable

Input Configuration

• Channel Terminals:
  • INA: 2-wire transmitter + / current input -
  • INB: 2-wire transmitter - / current input +
  • INC: current input - (for 4-wire configuration)
• Power Failure: Current loops open during power off/abnormality; avoid shared signals