Temperature Measurement Solution – Schneider BMXART0814 | Modicon M340
Where This Product Is Used
The Schneider BMXART0814 is an 8-channel isolated thermocouple (TC) and resistance temperature detector (RTD) input module designed for the Modicon M340 PLC platform. It is deployed in precision temperature-critical industrial environments where sensor isolation, measurement accuracy, and multi-channel density are non-negotiable.
Typical deployment scenarios include:
- Pharmaceutical & Biotech Manufacturing – Batch reactor temperature monitoring, autoclave validation, and clean-room HVAC control loops requiring FDA 21 CFR Part 11-compatible data integrity.
- Food & Beverage Processing – Pasteurization line temperature profiling, CIP (Clean-In-Place) cycle monitoring, and cold-chain compliance logging.
- Chemical & Petrochemical Plants – Distillation column temperature gradient mapping, exothermic reaction control, and heat exchanger performance monitoring.
- Power Generation & Utilities – Turbine bearing temperature surveillance, boiler drum temperature acquisition, and transformer thermal management.
- Metals & Mining – Furnace temperature profiling, kiln zone control, and molten metal temperature measurement using Type S/B thermocouples.
- Building Automation & HVAC – Multi-zone air handling unit temperature control integrated into Modicon M340-based BMS architectures.
- Water & Wastewater Treatment – Digester temperature monitoring and UV disinfection system thermal management.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | BMXART0814 |
| Platform Compatibility | Modicon M340 (BMX rack) |
| Number of Channels | 8 isolated analog input channels |
| Sensor Types Supported | Thermocouple: J, K, T, S, B, E, N, R; RTD: PT100, PT1000, Ni100, Ni1000 |
| Measurement Range (TC) | –200°C to +1820°C (type-dependent) |
| Measurement Range (RTD) | –200°C to +850°C |
| Resolution | 0.1°C |
| Accuracy | ±0.5°C (typical, at 25°C ambient) |
| Channel Isolation | Channel-to-channel and channel-to-bus isolation |
| Conversion Time | ≤ 640 ms for 8 channels |
| Power Consumption | 3.3 W (from backplane) |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | –25°C to +70°C |
| Relative Humidity | 5% to 95% non-condensing |
| Protection Degree | IP20 |
| Dimensions (H × W × D) | 100 × 30 × 73 mm (single-slot BMX module) |
| Weight | 180 g |
| Certifications | CE, UL, cUL, RoHS |
Why Engineers Specify This Model
- True Channel Isolation – Each of the 8 channels is individually isolated, eliminating ground loop interference common in multi-sensor industrial environments. Critical for accurate readings when sensors are grounded at different potentials.
- Universal Sensor Compatibility – A single module handles both TC and RTD sensor types across all major standards, reducing spare-part SKU count and simplifying panel design.
- High-Density Form Factor – 8 channels in a single BMX slot maximizes rack utilization in space-constrained M340 enclosures.
- Native M340 Integration – Plug-and-play with Unity Pro / EcoStruxure Control Expert; sensor type and range configured entirely in software with no hardware jumpers.
- Open-Wire Detection – Automatic broken-wire fault detection on all channels with configurable diagnostic bits mapped directly to the PLC application.
- Cold Junction Compensation – Internal CJC sensor ensures thermocouple accuracy without external reference junction hardware.
- Deterministic Scan Time – Fixed 640 ms maximum conversion cycle for all 8 channels supports predictable control loop timing in process applications.
Complete System Bill of Materials
A typical Modicon M340 temperature acquisition rack using the BMXART0814 includes the following components:
- BMXP342020 – Modicon M340 CPU (or BMXP342030 for Ethernet variant)
- BMXCPS2000 – 24 VDC power supply module
- BMXXBP0800 – 8-slot BMX backplane rack
- BMXART0814 – TC/RTD isolated input module (this unit)
- BMXDDI1602 – 16-channel discrete input module (for digital interlocks)
- BMXDDO1602 – 16-channel discrete output module (for alarm relays)
- BMXFTB2800 – Terminal block for field wiring connection
- BMXFCA150 – 1.5 m connection cable (module to terminal block)
- Type K or PT100 sensors (field-supplied per application)
Compliance & Industry Standards
- CE Marking – Compliant with EU Low Voltage Directive (LVD) 2014/35/EU and EMC Directive 2014/30/EU.
- UL / cUL Listed – Recognized for use in North American industrial control panels per UL 508.
- RoHS Compliant – Restriction of Hazardous Substances Directive 2011/65/EU.
- IEC 61131-2 – Programmable controllers – Equipment requirements and tests.
- IEC 61000-4 Series – EMC immunity: ESD (Level 3), radiated immunity (Level 3), EFT/Burst (Level 3), surge (Level 2).
- ATEX / IECEx – Not rated for Zone 0/1 hazardous areas; use with certified Zener barriers or galvanic isolators for Ex-zone installations.
Quality Assurance & Sourcing
Konmask.com sources the BMXART0814 through verified industrial automation supply channels. Every unit offered on this platform undergoes the following quality checks before dispatch:
- Visual inspection for physical damage, label integrity, and connector condition.
- Verification of firmware version label and date code against known production batches.
- Functional power-on test where applicable for in-stock units.
- Anti-static packaging with humidity indicator card for long-term storage protection.
- Traceability documentation available on request (batch number, country of origin).
We supply new, surplus-new, and tested-used units clearly labeled by condition. Condition is stated explicitly on each listing. Contact us before purchase if you require a specific condition grade or documentation package.
How to Source This Part
To place an order or request a quotation for the Schneider BMXART0814:
- Online – Add to cart directly on this page. We accept T/T bank transfer, PayPal, and major credit cards.
- RFQ / Bulk Orders – Email [email protected] with quantity, required delivery date, and destination port. Volume pricing available for orders of 5+ units.
- Lead Time – In-stock units ship within 1–3 business days. Ex-stock or special-order units: 2–6 weeks depending on origin.
- Export & Customs – We handle export documentation (commercial invoice, packing list, CO certificate) for international shipments. HS Code: 8537.10.
- Phone / WhatsApp – +0086 19859288691 (Mon–Fri, 09:00–18:00 CST)
Application-Specific FAQ
Q: Can the BMXART0814 be used in a hot-standby (HSBY) M340 configuration?
A: Yes. The BMXART0814 is compatible with Modicon M340 Hot Standby configurations. Both primary and standby CPUs read the module data; switchover is transparent to the field I/O.
Q: How many BMXART0814 modules can be installed in a single M340 rack?
A: Up to 7 I/O modules per 8-slot rack (one slot reserved for CPU or power supply). Multiple racks can be connected via BMX XBE 1000 bus extenders for larger systems.
Q: Does the module support HART or fieldbus protocols?
A: No. The BMXART0814 is a direct-wired analog input module. For HART-enabled temperature transmitters, use the BMXAMI0810 (4–20 mA) with a HART multiplexer.
Q: What is the maximum cable length from sensor to module terminal block?
A: Schneider recommends a maximum of 200 m for TC inputs and 100 m for RTD inputs using appropriate shielded, twisted-pair extension cable. Longer runs require signal conditioners.
Q: Can I mix TC and RTD sensors on the same BMXART0814 module?
A: Yes. Each channel is independently configured in EcoStruxure Control Expert software. You can assign different sensor types to each of the 8 channels on the same module.
Q: Is the BMXART0814 compatible with Modicon M580 or Quantum platforms?
A: No. The BMX form factor is exclusive to the M340 platform. For M580, use the BMEP58xxxx series; for Quantum, use the 140AII03000 or equivalent.
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