Schneider BMXSAI0410 Safety Analog Input Module 4-20mA
Introduction:
The BMXSAI0410 is a safety analog input module for Modicon X80. It offers 4 isolated 4-20mA channels with 16-bit conversion for precise current measurement.
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Product Overview
The Schneider Electric BMXSAI0410 is a safety analog input module. It belongs to the Modicon X80 platform. This module reads four 4-20mA current signals. Each channel is fully isolated from the others. You can use the BMXSAI0410 for safety instrumented systems. It works in harsh and hazardous environments. Industrial users trust this module for reliable current loop monitoring.
Technical Specifications
The BMXSAI0410 delivers precise current measurement with strong isolation. Below are the core technical details.
Input Specifications:
Number of Inputs: 4 analog inputs, fully isolated channels.
Input Type: Current 4 to 20 mA.
Input Impedance: 286 Ohms.
Permitted Overload: 25 mA maximum.
Measurement Resolution: 2 µA for high precision.
Maximum Conversion Value: 0 to 25 mA range.
Conversion & Resolution:
Analog/Digital Conversion: 16 bits.
Analog Input Resolution: 13 bits or 0 to 12500 counts.
Digital Value Format: ±32000 in user scale (±10000 by default).
Precision of Internal Resistor: 0.1% at 15 ppm/°C.
Filtering & Speed:
Type of Filter: Second order digital filtering.
Nominal Read Cycle Time: 6 ms for all 4 channels.
Measurement Error: ≤0.3% of full scale from -25 to 60°C.
Temperature Drift: 30 ppm/°C.
Minimum Crosstalk Attenuation: 120 dB.
Isolation & Protection
The BMXSAI0410 provides excellent channel-to-channel isolation. This protects your safety system from ground loops and surges.
Isolation Ratings:
Between Channels: 500 V DC.
Channels to Ground: 1500 V DC.
Channels to Bus: 1500 V DC.
Recalibration:
Internal recalibration (no manual trimming required).
Electrical & Power
Current Consumption (3.3V DC): 200 mA.
Current Consumption (24V DC): 115 mA.
MTBF Reliability: 463,000 hours.
Electrical Connection: 20-way connector (1 connector).
Safety & Hazardous Area Certifications
The BMXSAI0410 is approved for safety and hazardous applications.
Product Certifications:
TÜV certified (functional safety).
ATEX certified for explosive atmospheres.
Merchant Navy certified (marine).
UL, CSA, RCM, EAC approved.
Environmental Specifications
The BMXSAI0410 withstands very harsh conditions.
Temperature Range:
Operating Temperature: -25 to 60 °C (-13 to 140 °F).
Storage Temperature: -40 to 85 °C (-40 to 185 °F).
Mechanical Resistance:
Vibration Resistance: 3 gn.
Shock Resistance: 15 gn.
IP Protection: IP20.
Relative Humidity:
5 to 95% at 55 °C (non-condensing).
Operating Altitude:
Up to 2000 m (up to 5000 m with derating factor).
Harsh Environment Resistance Classes
The BMXSAI0410 carries severe environment classifications.
Gas Resistant Class Gx (ISA S71.04).
Gas Resistant Class 3C4 (IEC 60721-3-3).
Dust Resistant Class 3S4 (IEC 60721-3-3).
Sand Resistant Class 3S4 (IEC 60721-3-3).
Salt Resistant Level 2 (IEC 68252).
Mold Growth Resistant Class 3B2 (IEC 60721-3-3).
Fungal Spore Resistant Class 3B2 (IEC 60721-3-3).
Status LEDs
Front panel LEDs provide clear operational feedback.
RUN (Green): Module operating normally.
ERR (Red): Module fault detected.
I/O (Red): I/O fault on the bus.
Channel LEDs (Green): One per channel for diagnostic status.
Standards Compliance
The BMXSAI0410 meets global industrial standards.
EN/IEC 61131-2 (PLC equipment).
EN/IEC 61010-2-201 (safety requirements).
UL 61010-2-201 (US standard).
CSA C22.2 No 61010-2-201 (Canadian standard).
Installation Guidelines
Install the BMXSAI0410 into a Modicon X80 rack. Use the compatible backplane (BMX XBP or XBE series). Always cut power before inserting or removing the module. Connect 4-20mA field devices to the 20-way connector. Use shielded twisted pair cables for each channel. Do not exceed 25 mA per input. The BMXSAI0410 reads all 4 channels in 6 ms. For safety applications, follow the TÜV certification manual.
What is in the Box
Please inspect all items upon delivery.
Schneider Electric BMXSAI0410 safety analog input module.
Anti-static protective bag.
Installation quick start guide.
Frequently Asked Questions (FAQ)
1. Is the BMXSAI0410 a SIL-rated safety module?
Yes. The TÜV certification indicates functional safety capability. Please check the specific safety manual for SIL level (likely SIL 2 or SIL 3 ready).
2. Can I use 2-wire or 4-wire transmitters with this module?
Yes. The BMXSAI0410 accepts standard 4-20mA loops. For 2-wire transmitters, you must provide external loop power.
3. What is the difference between 13-bit and 16-bit resolution?
The BMXSAI0410 uses 16-bit A/D conversion internally. The user data format provides 13 bits of usable resolution (0 to 12500 counts). This is standard for safety applications.
4. Does this module support HART communication?
No. The BMXSAI0410 is a standard current input only. For HART, please use the BMXSAI0410H model.
5. Can I use this module in a Zone 2 hazardous area?
Yes. The ATEX certification allows the BMXSAI0410 for Zone 2 (gas) and Zone 22 (dust) installations. Always follow local hazardous area wiring rules.