Schneider 170AAO92100

Product Series: Modicon Quantum (M340)

Product Introduction:
The 170AAO92100 is an 8-channel analog output module designed for the Modicon Quantum M340 PLC platform. It provides 4–20 mA current output signals for process control applications in industrial automation.

Category:
Description

Technical Specifications:

Parameter Value
Number of Channels 8
Output Type 4–20 mA (2-wire, 4-wire configurable)
Resolution 16-bit
Update Rate 1 ms per channel (group)
Supply Voltage 24 V DC (bus-powered)
Isolation 500 V DC (channel-to-bus)
Operating Temperature 0°C to +60°C
Protection Class IP20 (front), IP40 (with cover)
Dimensions (W×H×D) 98 × 130 × 74 mm
Weight ~250 g

Material Composition:

  • Housing: Polycarbonate (flame-retardant, UL94 V-0)
  • Terminals: Tin-plated brass screws
  • PCB: FR-4, conformal coated
  • Connectors: Spring-loaded terminal blocks

Structure Features:

  • Front-loading design for hot-swap capability
  • LED indicators per channel (power, fault, activity)
  • DIP switches for address and configuration settings
  • DIN rail or screw mounting

Working Principle:
The module receives digital values from the PLC CPU via the backplane bus. An internal 16-bit DAC (Digital-to-Analog Converter) converts each digital word into a proportional 4–20 mA current signal. Each channel operates independently with galvanic isolation from the backplane.

Advantages & Highlights:

  • High accuracy: ±0.1% of full scale
  • Fast update rate for tight process control loops
  • Galvanic isolation protects against ground loops
  • Hot-swap capable — no system downtime for replacement
  • Wide operating temperature range for harsh environments

Applicable Industries:

  • Oil & Gas
  • Water & Wastewater Treatment
  • Chemical & Petrochemical Processing
  • Power Generation & Distribution
  • Pulp & Paper

Installation Requirements:

  • Mount on DIN rail (TS 35) or use screw mounting holes
  • Ensure proper bus connector seating
  • Verify 24 V DC supply is stable (±10%)
  • Maintain minimum 10 mm clearance for ventilation

Usage Precautions:

  • Do not exceed 500 V DC isolation voltage
  • Do not connect voltage outputs to current-input devices directly
  • Calibrate annually or per site SOP
  • Ensure loop resistance does not exceed module compliance voltage
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