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Product Introduction
The Schneider Electric 140DIO33000C is an Intrinsically Safe Discrete Output Module developed for the Modicon Quantum platform, enabling safe and reliable digital output control in hazardous environments such as ATEX Zone 1 and Zone 2.
Designed to interface with field devices like solenoids, relays, and alarms located in explosion-prone areas, this module is built to prevent the release of electrical energy that could ignite flammable gases or dust. It includes 8 channels of intrinsically safe digital outputs, providing high reliability, galvanic isolation, and industrial-grade signal control across distributed systems.
Its seamless integration into the Quantum I/O architecture allows engineers to manage both safe and hazardous signals in one rack, helping streamline operations in petrochemical, oil & gas, and pharmaceutical facilities.
Product Specifications
| Parameter | Description |
|---|---|
| Product Name | Intrinsically Safe Discrete Output Module |
| Part Number | 140DIO33000C |
| Manufacturer | Schneider Electric |
| Platform | Modicon Quantum |
| Number of Channels | 8 isolated digital output channels |
| Output Type | Solid-state (source-type, IS rated) |
| Rated Output Voltage | 24 V DC |
| Maximum Output Current | 25 mA per channel (intrinsically safe current limits) |
| Intrinsic Safety Zones | Certified for ATEX Zone 1 & Zone 2, IECEx compliant |
| Isolation | Channel-to-bus and channel-to-channel isolation |
| Switching Type | Current sourcing (positive logic) |
| Response Time | < 5 ms |
| Power Supply | Supplied via Quantum backplane (5 V) |
| Power Consumption | Approx. 2.4 W |
| LED Indicators | Per-channel output status, module diagnostics |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% RH non-condensing |
| Dimensions | 103.9 × 40.3 × 250 mm |
| Weight | 0.45 kg |
| Certifications | ATEX, IECEx, UL, CSA, CE, RoHS compliant |
Applications
The 140DIO33000C is ideally suited for hazardous-area discrete control applications across various industries where explosion risks are present. Common applications include:
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Oil & Gas: Control of IS-rated solenoid valves and alarms in field skids and wellhead stations.
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Chemical Processing: Driving intrinsically safe actuators and control indicators inside chemical storage or mixing zones.
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Pharmaceutical Manufacturing: Controlling alarms and indicator lights within cleanrooms or solvent-heavy environments.
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Mining Operations: Activating underground lighting, sirens, or emergency systems within explosive gas zones.
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Food & Beverage Plants: Discrete control in alcohol production zones where flammable vapors are present.
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Wastewater Treatment: Driving actuators and indicators in confined zones where methane or hydrogen sulfide gases are generated.
Product Advantages
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Certified Intrinsic Safety: Enables direct control of devices in explosive areas without the need for separate IS barriers.
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High Reliability: Solid-state output channels ensure fast and consistent switching with minimal mechanical wear.
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Galvanic Isolation: Provides protection against cross-channel faults and ground loops.
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Diagnostics Ready: Per-channel LEDs give real-time output status and fault conditions.
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Compact Form Factor: Fits seamlessly into a single Quantum slot, maximizing panel space.
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Field-Friendly: Designed for use with common IS field wiring practices and terminal blocks.
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Easy Configuration: Fully supported in Schneider’s Unity Pro and EcoStruxure Control Expert software.
Frequently Asked Questions (FAQ)
1. What is the main function of the 140DIO33000C?
It safely controls discrete outputs (e.g., solenoids, alarms) located in hazardous areas, using intrinsically safe output channels.
2. How many devices can be connected to this module?
It supports 8 individually isolated output channels, each driving a single IS-certified device.
3. Is the module certified for ATEX or IECEx zones?
Yes, it meets both ATEX Zone 1/2 and IECEx intrinsic safety standards.
4. What kind of load devices can I connect?
You can connect small loads like solenoids, indicator lights, buzzers, and relays that are certified for IS use and draw no more than 25 mA.
5. Does the module need external IS barriers?
No, intrinsic safety is built into the module design, eliminating the need for external isolators or barriers.
6. Can I install this alongside non-IS modules in the same rack?
Yes, as long as proper wiring segregation and grounding practices are followed.
7. What software supports configuration of this module?
It is fully configurable using Schneider’s Unity Pro or EcoStruxure Control Expert platforms.
8. What happens if a short occurs in one of the output channels?
The module isolates the faulted channel and indicates the error via status LEDs, maintaining operation on other channels.
9. Can this module be hot-swapped?
Yes, it supports hot-swapping on the Quantum backplane for minimal system downtime.
10. How should wiring be handled for intrinsic safety compliance?
Follow industry-standard IS wiring practices, including separation from high-energy conductors and use of appropriate conduit or trunking.
Related or Same-Series Models
| Model Number | Description | Type | Compatibility |
|---|---|---|---|
| 140DII33000C | Intrinsically Safe Analog Input Module | IS Analog Input | Modicon Quantum |
| 140DII33010 | IS Input Module (Current & Voltage) | IS Analog Input | Modicon Quantum |
| 140DAI74000 | Standard Analog Input Module | Non-IS Analog Input | Modicon Quantum |
| 140DDO35300 | Digital Output Module | 32-channel Output | Modicon Quantum |
| 140ACI03000 | RTD Input Module | Temperature Sensing | Modicon Quantum |
| 140CPU65160S | Quantum CPU Module | Processor | All Quantum I/O |
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