Schneider Electric BMXAMO0802 is an 8-channel non-isolated high-level analog current output module

Description

Schneider Electric BMXAMO0802 is an 8-channel non-isolated high-level analog current output module

Product Title & Description

Model: BMXAMO0802 The Schneider Electric BMXAMO0802 is an 8-channel non-isolated high-level analog current output module for the Modicon X80 PLC platform (M340 / M580). It delivers high-precision 4–20mA / 0–20mA current signals to control valves, variable-speed drives and field actuators. This compact single-slot module is widely deployed in water treatment, oil & gas, chemical, energy and manufacturing process control systems for continuous analog regulation.

Core Product Overview

The BMXAMO0802 belongs to the Modicon X80 I/O series, designed to convert digital control values from the X80 PLC backplane into analog current signals for field process equipment. It features 16-bit high resolution and fast conversion speed ≤4ms, supporting open-circuit and short-circuit diagnostics on each channel. This module draws power from the X80 rack backplane and uses a 20-way connector for field wiring. It supports configurable fallback safety mode for fail-safe operation during communication loss. It is IP20 protected and optimized for cabinet installation, providing reliable closed-loop control for process loops. Channels share a common reference and are non-isolated between channels, while isolation exists between field side and PLC backplane.

BMXAMO0802

Main Technical Specifications

• Manufacturer: Schneider Electric
• Part Number: BMXAMO0802
• Product Type: Analog Output Module
• Series: Modicon X80 (Compatible with M340, M580 CPUs)
• Number of Channels: 8 analog current outputs
• Signal Ranges: 4–20 mA, 0–20 mA (max output up to 21mA)
• Resolution: 16 bits
• Conversion Time: ≤ 4 ms
• Accuracy: ≤0.25% full scale at 0~60°C; ≤0.1% full scale at 25°C
• Temperature Drift: 45 ppm/°C
• Diagnostics: Open-circuit detection for 4–20mA loops; short-circuit detection for 0–20mA
• Power Consumption: Typical 3.6W @24VDC; 0.35W @3.3VDC
• Mounting: Single slot on X80 rack backplane
• Protection Class: IP20
• Operating Temperature: 0°C ~ +60°C
• Storage Temperature: -40°C ~ +85°C
• Relative Humidity: 5% to 95%, non-condensing
• Vibration / Shock: 3 gn vibration, 30 gn shock resistance
• Weight: 0.15 kg
• Certifications: CE, UL, CSA, RCM, EAC
• Isolation: Channel-to-backplane isolation; non-isolated between individual output channels

Quality Control Procedures

Schneider modules are manufactured under ISO9001 quality management system and comply with IEC 61131-2 and EMC standards.

1. Incoming Component Inspection: PCBs, semiconductors and passive components are sourced from approved vendors and 100% screened before assembly.
2. Automated SMT Assembly & Traceability: Fully automated soldering and assembly. Each unit has a unique serial number for full lifecycle traceability.
3. Full Functional Calibration & Test: Every finished module undergoes channel calibration, signal accuracy test, diagnostic function verification and backplane communication test.
4. Environmental Stress Screening: Batch samples go through temperature cycling, vibration and EMC testing to validate robustness in industrial cabinet environments.
5. Final Inspection & Packing: Units passing all tests receive visual inspection, anti-static packaging and factory test records before shipment.

BMXAMO0802

Brand Related Model Recommendations

• BMXAMO0802H: Conformal coated version of BMXAMO0802 for harsh corrosive, high humidity or dusty environments.
• BMXAMO0402: 4-channel non-isolated analog current output module of X80 series, for smaller control applications.
• BMXAMO0810: 8-channel isolated analog output variant when channel-to-channel galvanic isolation is required.
• BMXAMI0800: 8-channel analog input module, matching for paired I/O loop configuration. All models fit Modicon X80 racks and share EcoStruxure Machine Expert programming environment.

Frequently Asked Questions (FAQ)

Q1: Which PLC CPUs are compatible with ? A1: It works with Schneider Modicon M340 and M580 series controllers within EcoStruxure Machine Expert software.

Q2: Are the 8 channels isolated from each other? A2: No. This is non-isolated between channels. Isolation exists between field circuit and PLC backplane. If channel-to-channel isolation is required, select BMXAMO0810.

Q3: What diagnostic functions does provide? A3: It detects open circuit on 4–20mA loops and short circuit on 0–20mA outputs, with dedicated LED status indicators.

Q4: Can I configure a fallback value when PLC communication fails? A4: Yes. The module supports user-configurable fallback mode to set predefined safe output values upon loss of communication.

Q5: What is the warranty for original Schneider ? A5: Original Schneider module has a standard 12-month factory warranty against manufacturing defects under proper installation and operation.

Installation & Configuration Guide

7.1 Pre-installation Preparation

Verify the part number and inspect the module for physical damage. Prepare Modicon X80 rack, 20-way field wiring connector, shielded twisted-pair cables and EcoStruxure Machine Expert programming software. Power off the rack before handling the module. Wear ESD protection to prevent electrostatic damage. Confirm the current range and load impedance of field actuators.

7.2 Standard Installation Steps

Insert into an empty slot on the X80 backplane and lock the module latch. Mount the 20-way wiring connector onto the module. Run shielded twisted-pair field cables to the connector terminals following Schneider wiring diagrams. Tighten terminals to specified torque and properly connect cable shield to cabinet earth. Double-check wiring to avoid reversed polarity or short circuit. Maintain sufficient air clearance for heat dissipation.

7.3 System Configuration & Commissioning

Open EcoStruxure Machine Expert and add to the hardware configuration tree. Configure each channel for 4–20mA or 0–20mA range, and set fallback safety values as required. Download the project to M340/M580 CPU. Power up the rack and verify RUN/ERR LEDs. Perform channel output test and validate open/short circuit diagnostic alarms. Record calibration and commissioning logs.

7.4 Maintenance & Precautions

Inspect terminal tightness and cable shielding during scheduled shutdowns. Keep cabinet clean and within rated temperature range. Do not exceed maximum loop load impedance. Do not disassemble module housing. If faults occur, check field wiring, loop continuity and actuator status before replacing the module.