Schneider Electric BMXSDO0802 Safety Output Module 8 DO 24V
Introduction:
The Schneider Electric BMXSDO0802 is a safety discrete output module for Modicon X80. It provides 8 solid state outputs at 24V DC with positive logic. Each channel delivers 0.5A with built-in overload and short-circuit protection. The module includes conformal coating for harsh environments.
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Technical Specifications
The Schneider Electric BMXSDO0802 belongs to the Modicon X80 automation platform. This product is a discrete output module in the I/O category. The module provides 8 solid state outputs for safety related applications.
Output Specifications
| Parameter | Value |
|---|---|
| Discrete Output Number | 8 (EN/IEC 61131-2) |
| Discrete Output Type | Solid state, not isolated |
| Discrete Output Logic | Positive |
| Discrete Output Voltage | 24V DC (19 to 30V DC range) |
| Discrete Output Current | 0.5A per channel |
| Current per Channel | 0.625A maximum |
| Maximum Current per Module | 10A total |
Output Compatibility
The BMXSDO0802 works with these input types.
| Input Type | Compatibility |
|---|---|
| Not IEC 61131-2 DC input | Yes |
| IEC 61131-2 Type 3 DC input | Yes |
Performance Characteristics
Maximum Leakage Current: 0.5 mA at state 0.
Maximum Voltage Drop: <1.2 V at state 1.
Insulation Resistance: >10 MOhm at 500 V DC.
Power Dissipation: 4.4 W.
Response Time on Output: 1.2 ms.
Paralleling of Outputs: Yes, up to 2 maximum.
Protection Features
The BMXSDO0802 includes comprehensive protection.
| Protection Type | Implementation |
|---|---|
| Reverse Polarity | Reverse mounted diode |
| Overload Protection | Current limiter with electronic circuit breaker (1.5 In < Id < 2 In) |
| Overvoltage Protection | Transil diode |
| Short-Circuit Protection | 2A external fuse required |
| Output Overload | Current limiter active |
Voltage Detection
Sensor Fault Threshold: <14 V DC.
Sensor OK Threshold: >18 V DC.
Load Specifications
Maximum Tungsten Load: 6 W.
Switching Frequency: 0.5 / LI² Hz.
Load Impedance (Ohmic): ≥48 Ohm.
Current Consumption
| Voltage | Current |
|---|---|
| 3.3 V DC | 264 mA typical |
| 24 V | 15 mA typical |
Reliability
MTBF: 383,000 hours for long service life.
MTBF Rating: High reliability for industrial applications.
Status LEDs
The BMXSDO0802 provides clear visual status indicators.
| LED Color | Count | Function |
|---|---|---|
| Green | 1 | Module operating (RUN) |
| Green | 8 | Channel diagnostic (one per output) |
| Red | 1 | Module error (ERR) |
| Red | 1 | Module I/O fault |
Physical Specifications
Product Weight: 0.12 kg (0.26 lb).
Package 1 Height: 5.500 cm (2.17 in).
Package 1 Width: 18.000 cm (7.09 in).
Package 1 Length: 26.000 cm (10.24 in).
Package Weight: 341.000 g (12.028 oz).
Country of Origin: FR (France).
Environmental Specifications
IP Degree of Protection
| Rating | Value |
|---|---|
| IP20 | Front panel protection |
Environmental Resistance Classes
| Class Type | Rating |
|---|---|
| Gas Resistant | Class Gx, Class 3C4 |
| Dust Resistant | Class 3S4 |
| Sand Resistant | Class 3S4 |
| Salt Resistant | Level 2 |
| Mold Growth | Class 3B2 |
| Fungal Spore | Class 3B2 |
Dielectric Strength
| Test Condition | Rating |
|---|---|
| Output to Ground | 1500 V AC at 50/60 Hz for 1 minute |
| Output to Internal Logic | 1500 V AC at 50/60 Hz for 1 minute |
Mechanical Resistance
| Test | Rating |
|---|---|
| Vibration Resistance | 3 gn |
| Shock Resistance | 15 gn |
Temperature and Humidity
| Parameter | Range |
|---|---|
| Storage Temperature | -40°C to +85°C |
| Operating Temperature | -25°C to +60°C |
| Relative Humidity | 5% to 95% at 55°C without condensation |
Protective Treatment
Conformal Coating: Applied for moisture and contaminant protection.
Operating Altitude
| Altitude Range | Condition |
|---|---|
| 0 to 2000 m | Full performance |
| 2000 to 5000 m | With derating factor |
Installation Guidelines
Follow these steps to install your Schneider Electric BMXSDO0802 module correctly.
Power Down the Rack – Turn off all power to the X80 backplane.
Select the Slot – Choose an available slot in the rack.
Insert the Module – Slide the BMXSDO0802 into the selected slot.
Secure the Module – Engage the locking mechanism.
Wire Outputs – Connect 24V DC loads to the output terminals.
Install External Fuse – Add 2A fuse for short-circuit protection (required).
Verify Polarity – Check positive logic wiring (outputs switch positive).
Apply Power – Turn on rack power and verify green RUN LED.
Do not exceed 0.5A per output channel. Higher current will trigger overload protection.
Output Wiring Example
| Terminal | Connection |
|---|---|
| Output 1 | Load positive (24V DC load) |
| Output 2 | Load positive (24V DC load) |
| ... | ... |
| Output 8 | Load positive (24V DC load) |
| Common (0V) | Return from all loads |
| +24V | External 24V DC supply (for sensor power) |
External Fuse Requirement
The BMXSDO0802 requires an external 2A fuse for short-circuit protection. Install one fuse per module or per channel as needed.
Package Contents (No Certificates or Warranty Terms)
Your shipment for product number BMXSDO0802 includes the following items:
1 x Schneider Electric BMXSDO0802 Discrete Output Module
1 x Installation instruction sheet (printed)
1 x Anti-static protective bag for storage
Note: The 2A external fuse is not included and must be purchased separately. Terminal blocks are sold separately.
Frequently Asked Questions (FAQ)
1. What is the output current rating for the Schneider Electric BMXSDO0802?
The BMXSDO0802 provides 0.5A per channel continuously. Maximum current per channel is 0.625A at peak.
2. Can I parallel outputs on the BMXSDO0802 for higher current?
Yes. You can parallel up to 2 outputs on this module. Paralleling increases available current to 1.0A per load.
3. What external protection does this module require?
The BMXSDO0802 requires an external 2A fuse for short-circuit protection. The module includes overload and overvoltage protection internally.
4. What is the response time for outputs on this module?
The output response time is 1.2 ms typical. This supports fast safety reactions and high speed control.
5. Is the BMXSDO0802 suitable for harsh industrial environments?
Yes. The BMXSDO0802 includes conformal coating and gas, dust, sand, and salt resistance classes. Operating temperature ranges from -25°C to +60°C.
6. What is the MTBF rating for the BMXSDO0802?
The MTBF is 383,000 hours. This provides high reliability for continuous industrial operation.
Why Choose This Module?
The Schneider Electric BMXSDO0802 offers robust safety output capability for Modicon X80 systems. Its 8 solid state outputs at 0.5A each drive solenoids, contactors, and indicator lights directly. The positive logic design matches standard European and Asian control panel conventions. The multiple protection features (reverse polarity, overload, overvoltage, short-circuit) prevent damage from field wiring errors. The conformal coating and gas/dust/salt resistance classes suit harsh environments like chemical plants and outdoor installations. The 1.2 ms response time supports fast safety reactions. The high MTBF (383,000 hours) reduces maintenance costs. Choose this BMXSDO0802 for safety related output applications in packaging machines, conveyor systems, material handling, and process control requiring reliable 24V DC outputs.