170AAI03000 Schneider Modicon Momentum Analog Input Module 8-Channel

170AAI03000 Analog Input Base Module – Modicon Momentum 8-Channel Current

170AAI03000 is an analog input base module from Schneider Electric. It belongs to the Modicon Momentum series. This module reads current signals. It offers 8 differential channels. It is now discontinued. However, it remains a popular spare part.

• Model: 170AAI03000
• Brand: Schneider Electric
• Series: Modicon Momentum
• Type: Analog Input Base Module
• Channels: 8 differential inputs

I/O Specifications

• Signal Type
  • ±20 mA: 14 bits + sign, 250 kΩ
  • 4 to 20 mA: 15 bits
• Range
  • ±20 mA
  • 4 to 20 mA
• Resolution
  • 14 to 15 bits
• Accuracy
  • ±0.13% FS (1–5 V) to ±0.32% FS (±20 mA) at 25°C
  • Up to ±0.41% FS at 60°C
• Isolation
  • 500 V AC channels-to-bus
  • ±200 V DC channel-to-channel
  • 500 V AC field-to-ground
• Diagnostics
  • 1 green ready LED
  • 8 channel status LEDs
  • No error indication
• Conversion Time
  • 12 ms
• Input Impedance
  • 250 kΩ (±20 mA range)

Electrical Data

• Supply Voltage
  • 24V DC
• Reverse Polarity Protection
  • Internal, yes
• Bus Current
  • Less than 382 mA at 24V DC (external power)
• Power Consumption
  • 5.6 W typical
  • 8.5 W maximum

Environmental and Physical

• Operating Temperature
  • Not available
• Storage Temperature
  • Not available
• Relative Humidity
  • Not available
• Protection Rating
  • IP20
• Dimensions (H×W×D)
  • 125 × 141.5 × 47.5 mm
• Weight
  • 0.4 kg
• Terminal Blocks
  • 2 removable

Lifecycle Status

• Status
  • Discontinued
• Last Verified
  • 2026-09

Expert Review

The 170AAI03000 is a workhorse for current-loop sensing. It gives 8 channels in one slot. The 15-bit resolution on 4–20 mA is good for most process loops. Isolation is strong. It protects your bus from field spikes. The 12 ms conversion time is fine for slow processes. But it is not for fast waveform capture. Since it is discontinued, buy spares now. Stock is limited. It is still a smart fix for existing Momentum racks.

Manager’s Insight

Most buyers need this module to replace a failed unit. They do not want to redesign the panel. The 170AAI03000 drops right in. No reconfiguration is needed. We see steady demand for this discontinued part. The main buying mistake is waiting too long. Once stock is gone, lead times grow. Buy two if you run a critical line. For new projects, look at newer Momentum analog modules instead.

Best Fit Devices and Applications

• Modicon Momentum PLC racks
• Process control loops
• 4–20 mA transmitter networks
• Flow, pressure, and level sensing
• Legacy panel upgrades
• Water and wastewater plants
• Food and beverage lines with IP20 cabinets

FAQ

Q: Is the 170AAI03000 still in production?

A: No. Schneider Electric discontinued it. We sell remaining stock as spare parts.

Q: How many wires do my sensors need?

A: You can use 2-wire or 4-wire current transmitters. The module reads both.

Q: What happens if I swap channels by mistake?

A: You will see wrong readings. Label your wiring before removal.

Q: Do I need a separate power supply?

A: Yes. The module needs 24V DC external power. It does not run on bus power alone.

Q: What is the warranty on this discontinued part?

A: We offer a 12-month warranty. Ships in 12–24 hours via FedEx, UPS, or DHL.

Compare with Similar Models

• 170AAI03000 – 8-channel current input, discontinued
• 170AAI02000 – 4-channel analog input, mixed signals
• 170AAI14000 – 8-channel thermocouple input
• 170AAO12000 – 4-channel analog output module

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