Configured for AC load switching in the Modicon X80 automation platform, the Schneider Electric BMXDAO1615 (BMXDAO1615 discrete output module) provides direct electrical execution through 16 isolated triac output channels. The module supports AC output voltages from 24 V AC to 240 V AC, incorporates per-channel status indication, and interfaces with the X80 backplane while maintaining channel isolation in accordance with EN/IEC 61131-2.
Suffix Breakdown & Model Matrix
The supplied documentation identifies BMXDAO1615 as a fixed catalog number. No official suffix variants or ordering code breakdown are specified in the provided technical data.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | BMXDAO1615 |
| Brand | Schneider Electric |
| Product Type | X80 Discrete Output Module |
| Output Technology | 16 isolated triac outputs |
| Output Standard | EN/IEC 61131-2 |
| Output Voltage | 24…240 V AC, 20…264 V AC |
| Output Current | 3 A per channel at 40 deg C; 1.2 A per channel at 60 deg C |
| Maximum Module Current | 10 A at 40 deg C; 4 A at 60 deg C |
| Maximum Output Common Current | 4 A |
| Output Current Range | 0.005…10 A |
| Network Frequency | 50/60 Hz |
| Frequency Limits | 47…63 Hz |
| Sensor Supply Voltage | 20…264 V |
| Leakage Current | 1 mA at 24 V; 1 mA at 48 V; 2 mA at 115 V; 2.5 mA at 240 V |
| Maximum Voltage Drop | Less than 1.55 V (output ON) |
| Response Time | <= 10 ms ON; <= 10 ms OFF (resistive load) |
| Inrush Current | 30 A |
| Protection | External 4 A fast-blow fuse; varistor overload protection |
| Insulation Resistance | Greater than 10 MOhm at 500 V DC |
| Dielectric Strength | 3000 V AC, 50/60 Hz, 1 min |
| Power Consumption | 61 mA at 3.3 V DC; 50 mA at 24 V DC |
| Power Dissipation | 1.45 W |
| MTBF | 500000 h |
| Status Indicators | RUN LED and one green LED per output channel |
| IP Rating | IP20 |
| Vibration Resistance | 3 gn |
| Shock Resistance | 30 gn |
| Operating Temp | 0…60 deg C |
| Storage Temp | -40…85 deg C |
| Relative Humidity | 0…95 % non-condensing |
| Operating Altitude | 0…2000 m; 2000…5000 m with derating |
| Weight | 0.264 kg |
Backplane Communication and I/O Density
The BMXDAO1615 is designed for installation within the Modicon X80 local or remote I/O architecture, exchanging output data through the X80 backplane. Its 16-channel configuration increases AC output density while keeping each triac output electrically isolated. Module current loading, output common current limits, and temperature derating should be considered during system design to maintain the specified operating limits.
Frequently Asked Questions
Q: Does the BMXDAO1615 switch DC loads?
A: No. The module is specified for triac outputs operating with AC voltages from 24 V AC to 240 V AC.
Q: Is external output protection required?
A: Yes. The specifications require an external 4 A fast-blow fuse for output protection. The module also incorporates varistor-based overload protection.
Q: How does ambient temperature affect output capacity?
A: Output current is temperature dependent. Each channel supports up to 3 A at 40 deg C, reducing to 1.2 A per channel at 60 deg C. The total allowable module current is also reduced at higher operating temperatures.
Field Installation Guidelines
- Verify that the selected AC load voltage remains within the specified 20…264 V AC operating range.
- Size external protective fuses according to the manufacturer’s specification before energizing field circuits.
- Observe the maximum allowable current per output common and the total module current during panel design.
- Separate AC output wiring from low-level analog and communication cables to reduce electrical interference.
- Ensure the module is fully engaged with the X80 backplane connector before applying field power.
- Maintain adequate enclosure ventilation so the ambient operating temperature remains within the specified range, particularly when multiple high-current output modules are installed side by side.
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