140AIO33000
Schneider Electric
Overview
The Schneider Electric 140AIO33000 is an intrinsically safe analogue output module for the Modicon Quantum platform, providing eight analogue output channels for use in hazardous-area applications where standard modules cannot be deployed directly. It lets a Quantum controller command field devices in potentially explosive atmospheres through approved intrinsic-safety barriers.
The module draws a substantial 2.5 A from the backplane and weighs about 0.3 kg, fitting a single Quantum slot. It operates across 0–60 °C ambient, consistent with the Quantum I/O family. Intrinsically safe I/O is a specialised category, so it must be applied within a properly designed and certified intrinsically safe system rather than as a drop-in replacement for a conventional output module.
Application & Technical Notes
The 140AIO33000 is a niche, safety-related module. Its eight intrinsically safe analogue outputs are intended for loops that terminate in explosive or flammable environments, where energy must be limited by design. The 2.5 A backplane draw is unusually high for a Quantum I/O module, so rack power budgeting is critical and the rack must be sized accordingly.
Integration requires coordination with intrinsic-safety barriers, cabling and the overall hazardous-area certification (ATEX/IECEx or local equivalents). It is not a general-purpose output and should not be specified for non-hazardous loops where a standard module would be simpler and cheaper. Confirm compatibility with the intended barriers and the controller configuration before design.
Maintenance & Diagnostics
The 140AIO33000 should be maintained as part of the intrinsic-safety system. During commissioning, verify each output against a calibrated load within the safe area and confirm the barriers and loop parameters match the certified design. Keep the rack within 0–60 °C and ensure ventilation is clear given the high backplane current.
Because intrinsic safety is safety-critical, any modification to wiring, barriers or earthing must follow the certified system design and relevant procedures. De-energise and follow lockout practice before module insertion or removal. Store spares within the rated storage range in original packaging and keep configuration records with the safety documentation.
Sourcing & Procurement
The 140AIO33000 is a specialised intrinsically safe output module; confirm it is required by the hazardous-area design and that it is compatible with your barriers and certification. Genuine Schneider Electric modules are strongly recommended here because safety integrity and certification depend on the authentic, approved part.
Compatible or third-party equivalents are not advisable for intrinsic-safety duty unless explicitly certified for the application. For long-lead items, refurbished genuine units from a reputable supplier may be considered, but always validate certification and traceability. Buy from authorised distributors where possible and retain the manufacturer part number and serial records.
Frequently Asked Questions
What is the 140AIO33000 used for?
It is an intrinsically safe eight-channel analogue output module for driving field devices in hazardous or potentially explosive areas.
How much backplane current does it draw?
Approximately 2.5 A, which is high for a Quantum I/O module and must be included in rack power budgeting.
Can it replace a standard output module?
No; it is a specialised intrinsic-safety device that must be used within a certified intrinsically safe system, not as a general drop-in.
What certifications apply?
It is intended for hazardous-area use and must be applied within the relevant ATEX/IECEx or local intrinsic-safety certification of the overall system.
How many channels does it provide?
Eight intrinsically safe analogue output channels in a single Quantum slot.
Specifications
The Schneider Electric 140AIO33000 is an intrinsically safe analog output module from the Modicon Quantum series. It supports 8 outputs with an accuracy of ±0.2% at a reference temperature of 25°C.
Complementary
| Product destination | In conjunction with products for zone 20, 21 or 22 |
|---|---|
| Analogue output number | 8 |
| Analogue output range | 0...20 mA 0 to 20000 points 0...25 mA 0 to 25000 points 4...20 mA 15 bits, 0 to 16000 points 4...20 mA 15 bits, 0 to 4095 points Maximum loop resistance 500 Ohm |
| Absolute accuracy error | +/- 0.2 % of full scale 77 °F (25 °C) |
| Accuracy drift according to temperature | 40 ppm/°C <= 70 ppm/°C Linearity +/- 1 LSB |
| Update time | 4 ms Setting time 1 ms to +/- 0.1 % of the final value |
| Isolation between channels and bus | 1780 Vrms 60 s AC |
| Fault type | Open circuit 4...20 mA |
| Power dissipation in W | 12.5 W Hot swapping fallback Not allowed per intrinsic safety standards |
| Protection type | Internal fuse |
| Marking | CE II1 G/D-EEx ia IIC |
| Bus current requirement | 2.5 A |
| Module format | Standard |
| Net weight | 0.7 lb(US) (0.3 kg) |
Environment
| Standards | N/A |
|---|---|
| CSA C22.2 No 142 | UL 508 EN 50020 EN 50014 Directive ATEX 94/9/EC EN 50039 EN 50281-1-1 EN 50284 Dust zone Outside zone |
| Product certifications | hazardous location class 1, division 1 groups A, B, C SIRA 02ATEX2345X C-Tick.1 FM Class 1 Division 2 |
| Resistance to electrostatic discharge | 4 kV contact IEC 801-2 8 kV on air IEC 801-2 |
| Resistance to electromagnetic fields | 9.1 V/yd (10 V/m) 80…2000 MHz IEC 801-3 |
| Ambient air temperature for operation | 32…140 °F (0…60 °C) |
| Ambient air temperature for storage | -40…185 °F (-40…85 °C) |
| Relative humidity | 95 % without condensation |
| Operating altitude | <= 5000 m |
Description
| Note | The 140AIO33000 module from Schneider Electric is an intrinsically safe analog output module, specifically designed for application within the Modicon Quantum series. This component encompasses 8 output channels, facilitating efficient control in various systems. With an accuracy rating of ±0.2% of full scale, the module offers reliable data transmission, especially when calibrated at 25°C. It showcases a maximum loop resistance of 500 Ohm. Temperature fluctuations can affect the performance of electronic devices. However, the accuracy drift for this module is limited to 40 ppm/°C, ensuring that outputs remain stable across temperature changes. Adding to its safety features, an internal fuse safeguards the module against potential overloads. This unit demonstrates linearity within ±1 Least Significant Bit (LSB) and is marked as compliant with CE and II1 G/D-EEx ia IIC standards. Expected power dissipation during operation is 12.5 W while its lightweight design keeps the total weight to just 0.30 kg. The module features a rapid response time with an update period of 4 ms and a setting time down to 1 ms with an adjustment to ±0.1% of the final output value. It requires a bus current of 2.5 A for optimal performance. Designed in a standard module format, the 140AIO33000 is suited for integration into various control systems, enhancing operational efficiency. |
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Reproduced from the manufacturer's published data. Values marked "Not available" are absent from the source document.