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Phone: +86 16626708626Description
Key Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | RTD analog input module |
| Platform | Modicon Quantum automation platform |
| Number of Inputs | 8 |
| Input Configuration | Differential |
| Sensor Types | Pt100, Pt200, Pt500, Pt1000; Ni100, Ni200, Ni500, Ni1000 |
| Wiring | 2-wire, 3-wire, and 4-wire RTD connections |
| Temperature Ranges | Pt: −200 to +850 °C, depending on sensor and configuration; Ni: −60 to +180 °C |
| Resolution | 13 bits |
| Absolute Accuracy | ±0.1 °C |
| Linearity Error | ±0.01% of full scale or ±0.5 °C |
| Input Impedance | ≥10 MΩ |
| Update Time | 1,200 ms for 3-wire; 640 ms for 2-wire/4-wire |
| Fault Detection | Broken wire and out-of-range channel indication |
| Channel-to-Bus Isolation | 2,500 V DC for 60 seconds; 1,780 V AC for 60 seconds |
| Channel-to-Channel Isolation | 300 V RMS AC |
| Bus Current Requirement | 200 mA |
| Power Dissipation | 1 W |
| Addressing Requirement | 9 input words |
| Operating Temperature | 0 to 60 °C |
| Storage Temperature | −40 to +85 °C |
| Relative Humidity | 95% non-condensing |
| Weight | Approximately 0.3 kg |
| Certifications | UL 508; CSA C22.2 No. 142; cUL; FM Class I Division 2 |
Schneider Electric lists the 140ARI03010 as discontinued, with end-of-service scheduled for December 31, 2030. Schneider identifies BMXART0814 as a replacement option, but this is a Modicon X80/M340-family migration path—not a drop-in Quantum module. Confirm the migration architecture before ordering.
Product Introduction
The Schneider Electric 140ARI03010 is an 8-channel differential RTD analog input module for Modicon Quantum PLC systems. It reads 2-wire, 3-wire, and 4-wire Pt100, Pt200, Pt500, Pt1000, Ni100, Ni200, Ni500, and Ni1000 temperature sensors for industrial process monitoring.
The module provides 13-bit temperature measurement, broken-wire detection, channel diagnostics, and isolated inputs. Because Schneider Electric has discontinued this model, buyers should verify exact stock condition, hardware revision, sensor type, wiring method, and Quantum rack compatibility before purchasing.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No module communication LED | Rack power, backplane, or module seating fault | ❌ Low to medium | Check Quantum rack supply voltage and confirm the module is fully seated | Check the rack, power supply, and backplane before replacing the module |
| One channel reports a broken-wire fault | Open RTD circuit, loose terminal, or incorrect wiring | ✅ High | Isolate the loop and measure continuity across the RTD and field wiring | Repair the circuit and verify 2-wire, 3-wire, or 4-wire termination |
| Several channels show broken-wire faults | Common field wiring or configuration problem | ❌ Low to medium | Inspect the terminal block common connections and compare channel configuration | Check wiring and configuration before condemning the module |
| Temperature reads far too high or low | Wrong RTD type or PLC scaling | ✅ Medium | Compare the configured sensor type with the installed RTD marking; measure resistance at the sensor | Correct the sensor selection and engineering-unit scaling |
| Temperature value is unstable | Loose wiring, EMI, poor shielding, or damaged RTD | ✅ Medium | Monitor resistance directly at the module terminals and inspect shield termination | Repair wiring and grounding; replace the RTD before replacing the input module |
| All eight channels fail | Rack issue, configuration loss, or module hardware fault | ✅ High | Check module recognition, bus status, rack power, and diagnostic words | Investigate the rack and CPU first; replace the module only if diagnostics isolate it |
| One channel remains faulty after rewiring | Failed input channel or terminal connection | ✅ High | Move a known-good RTD to the suspect channel when process conditions permit | If the fault follows the channel, replace the 140ARI03010 |
| 3-wire RTD shows a fixed offset | Incorrect lead compensation or swapped sense lead | ✅ High | Verify all three wires against the Quantum wiring diagram and measure lead resistance | Correct the wiring; do not rely on wire colors alone |
| Reading updates slowly | Normal module conversion time or application filtering | ❌ Low | Compare the observed response with the documented 640 ms or 1,200 ms update time | Review scan logic and filtering before replacing hardware |
| Fault begins after replacement | Hardware revision, configuration, or wiring mismatch | ✅ Medium | Compare the original and replacement labels, firmware/configuration, and terminal arrangement | Confirm compatibility and restore the documented channel setup |
Before replacement, record the old module’s exact label, rack slot, sensor type, wiring arrangement, channel configuration, and diagnostic status. If the problem remains unresolved, contact technical support with photos of the module label and terminal wiring plus the PLC diagnostic logs.
140ARI03010
140ARI03010
Frequently Asked Questions (FAQ)
What does the Schneider Electric 140ARI03010 do?
The 140ARI03010 measures temperature from up to eight RTD sensors and transfers the readings to a Modicon Quantum PLC. It supports multiple platinum and nickel RTD resistances, with 2-wire, 3-wire, and 4-wire connection methods.
Is the 140ARI03010 still available from Schneider Electric?
No. Schneider Electric lists the 140ARI03010 as discontinued. The listed end-of-service date is December 31, 2030, so replacement stock is typically limited to existing inventory, surplus stock, or tested refurbished units.
Is BMXART0814 a direct replacement?
No. Schneider Electric lists BMXART0814 as a replacement option, but it belongs to the Modicon X80/M340 platform. It is not a plug-in replacement for a Quantum rack. A migration may require a new rack, power supply, wiring arrangement, PLC configuration, and application changes.
Can I replace it with another Quantum analog input module?
Not without checking the exact sensor and signal requirements. The 140ARI03010 is an RTD module; a standard voltage or current analog input module will not correctly read RTD resistance signals. Confirm the complete part number and terminal wiring before ordering.
Will the PLC program remain intact during a module swap?
The application program is generally stored in the Quantum CPU or system memory rather than in the RTD input module. Still, back up the PLC project and photograph the module configuration before removal. Record the rack slot, channel assignments, RTD types, wiring method, scaling, and alarm limits.
Can I hot-swap the 140ARI03010?
Do not assume live replacement is permitted. Follow the Quantum hardware documentation and site safety procedure. Unless the rack and application are specifically approved for hot swapping, shut down and isolate the equipment before removing the module.
Why can surplus stock cost less than a factory replacement?
The price may reflect discontinued inventory, opened packaging, New Surplus status, or refurbished/tested condition rather than current factory distribution. Confirm whether the unit is Factory Sealed, New Original/New Surplus, or Refurbished, and request current photos, a functional test report, warranty terms, and return conditions before purchase.
