Schneider Electric Modicon Quantum 140-AVI-030-00: Analog Voltage Input Module

Technical Dossier

Product Details And Specifications

Schneider Electric Modicon Quantum Series Technical Notes

The Modicon Quantum platform, developed by Schneider Electric (formerly Modicon/AEG), is one of the most widely deployed programmable automation controller (PAC) architectures in global heavy industry. Installed across petrochemical complexes, nuclear power stations, offshore oil & gas platforms, and large-scale water treatment facilities, the Quantum 140-series backplane ecosystem has accumulated decades of field-proven reliability. Its modular rack architecture — supporting hot-standby redundancy, distributed I/O via Modbus Plus and Ethernet, and deterministic scan cycles — made it the reference platform for Safety Instrumented Systems (SIS) and Distributed Control Systems (DCS) integrations throughout the 1990s and 2000s. The 140-AVI-030-00 is a 16-channel analog voltage input module operating within this ecosystem, accepting ±10 V / 0–10 V / 1–5 V signals with 12-bit resolution, and is a direct component of the Quantum analog I/O subsystem.

The Evolution of Modicon Quantum Architecture

The Quantum 140-series was introduced in the early 1990s as the successor to the Modicon 984 platform, inheriting the Modbus communication protocol while adding a high-speed backplane bus (S908 remote I/O) and later Modbus Plus (MB+) peer-to-peer networking. The architecture evolved through three distinct phases:

Phase 1 (1992–2000): Initial release of the 140-series rack, CPU, and discrete/analog I/O modules. Core CPUs such as the 140-CPU-113-02 and 140-CPU-213-04 established the platform. Analog modules including the 140-AVI-030-00 and 140-AVO-020-00 were standardized during this period.

Phase 2 (2000–2010): Introduction of Ethernet-capable CPUs (140-CPU-651-50, 140-CPU-671-60) and the NOE (Network Option Ethernet) communication modules. The platform gained IEC 61131-3 compliance via Unity Pro software, replacing Concept and ProWORX programming environments. Compatibility between early and late-generation I/O modules was maintained through consistent backplane pinout standards.

Modicon Quantum Full Catalog & Functionalities (SKU List)

Analog Input Modules

140-AVI-030-00: 16-ch analog voltage input, ±10 V / 0–10 V / 1–5 V, 12-bit resolution, single-ended.
140-ACI-030-00: 16-ch analog current input, 4–20 mA / 0–20 mA, 12-bit, field-powered loop.
140-ATI-030-00: 8-ch thermocouple input module, types J/K/T/E/R/S/B, cold-junction compensated.
140-ARI-030-10: 8-ch RTD input module, PT100/PT1000/Ni100, 3-wire or 4-wire configuration.
140-AVI-030-10: 8-ch high-density analog voltage input, ±10 V, 16-bit resolution, differential.

Analog Output Modules

140-AVO-020-00: 4-ch analog voltage output, ±10 V / 0–10 V, 12-bit, short-circuit protected.
140-ACO-020-00: 4-ch analog current output, 4–20 mA / 0–20 mA, 12-bit, loop-powered.
140-AVO-020-10: 8-ch analog voltage output, ±10 V, 12-bit, with diagnostics.

Discrete Input Modules

140-DDI-353-00: 32-ch discrete DC input, 24 VDC, sink/source, IEC Type 1.
140-DDI-853-00: 32-ch discrete DC input, 125 VDC, isolated, high-voltage field devices.
140-DAI-353-00: 32-ch discrete AC input, 120 VAC, optically isolated.

Discrete Output Modules

140-DDO-353-00: 32-ch discrete DC output, 24 VDC, 0.5 A per channel, source type.
140-DDO-885-00: 16-ch discrete DC output, 24 VDC, 2 A per channel, relay-compatible.
140-DAO-853-00: 16-ch discrete AC output, 120/240 VAC, triac solid-state.

CPU & Communication Modules

140-CPU-651-50: Quantum Unity CPU, 7 MB user memory, dual Ethernet ports, Modbus TCP/IP.
140-CPU-671-60: Quantum Unity CPU, 14 MB user memory, hot-standby capable, dual Ethernet.
140-NOE-771-10: Ethernet TCP/IP network option module, 10/100 Mbps, web server, SNMP.
140-NOM-211-00: Modbus Plus network option module, peer-to-peer, 1 Mbps token-passing bus.

Power Supply Modules

140-CPS-111-00: 115/230 VAC input power supply, 8 A at 5 VDC backplane output.
140-CPS-124-00: 24 VDC input power supply, 8 A at 5 VDC, for DC-powered panel installations.

Quality Control for the Modicon Quantum Range

Quantum 140-series modules present specific test challenges due to their proprietary S908 backplane protocol and multi-layer analog signal conditioning circuitry. DriveKNMS applies the following verification procedures to all Quantum modules prior to dispatch:

Backplane Communication Test: Each module is seated in a live Quantum rack and polled via Unity Pro or Concept software to confirm error-free backplane registration and I/O map assignment. Modules that fail to enumerate are rejected.

Analog Channel Calibration Verification (for AVI/ACI/AVO/ACO modules): All 16 channels of the 140-AVI-030-00 are stimulated with precision reference voltages (±10 V, 0 V, 5 V) using a calibrated signal generator. ADC output values are compared against factory tolerance tables (±0.1% full scale). Channels outside tolerance are flagged and the module is either recalibrated or rejected.

Thermal Cycle Burn-In: Modules are operated under load at 50°C ambient for a minimum of 4 hours to screen for latent component failures common in aged electrolytic capacitors and optocouplers.

Firmware & Hardware Revision Logging: Each module's hardware revision label and internal firmware version (where readable) are recorded and included in the shipment documentation to ensure compatibility with the customer's existing rack configuration.