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Schneider Electric BMXDDO6402K Modicon X80 Discrete Output Module
Configured for high-density digital switching of field actuators in Modicon X80 I/O architecture, the Schneider Electric BMXDDO6402K (BMXDDO6402K Discrete Output Module) provides direct physical/electrical execution of 24 VDC positive logic output commands across 64-channel backplane-controlled points.
Suffix Breakdown & Model Matrix
BMXDDO6402K is a single-order discrete output module designation within the Modicon X80 family.
No validated manufacturer-published suffix segmentation beyond base functional code is available in the provided dataset.
Hardware Specifications
| Parameter |
Specification |
| Model |
BMXDDO6402K |
| Brand |
Schneider Electric |
| PowerConsumption |
160 mA at 3.3 VDC (backplane supply) |
| Output Type |
Solid-state discrete output |
| Channels |
64 |
| Output Logic |
Positive |
| Output Voltage |
19...30 VDC (nominal 24 VDC) |
| Output Current |
0.1 A per channel |
| Max Module Current |
6.4 A |
| Response Time |
1.2 ms |
| Paralleling |
Up to 3 outputs |
| Protection |
Short-circuit, overload, overvoltage, reverse polarity |
Backplane Communication & Deterministic I/O Handling (Modicon X80 Platform Integration)
The module operates as a backplane-driven discrete execution node within the Modicon X80 rack architecture. Output state transitions are synchronized through deterministic internal bus scanning, ensuring consistent update alignment across distributed rack modules. Channel update latency is governed by internal scan scheduling rather than field-side feedback loops. Electrical isolation and per-channel protection stages reduce cross-channel propagation effects under inductive switching conditions.
Frequently Asked Questions
Q: Can outputs be paralleled for higher current drive?
A: Yes. Paralleling is supported up to 3 outputs, subject to shared load distribution and thermal dissipation constraints.
Q: Does the module provide per-channel short-circuit shutdown?
A: Yes. Each channel integrates electronic current limiting and fault isolation behavior using internal protection circuitry.
Q: What is the response behavior under overload conditions?
A: The output stage transitions into current-limited operation with protective cutoff behavior when thresholds are exceeded.
Field Installation Guidelines
The module shall be installed only in a compatible Modicon X80 rack with verified backplane alignment. Ensure correct seating to maintain signal integrity across the internal bus connector. Field wiring must comply with 24 VDC separation rules, maintaining segregation between power conductors and low-level control wiring.
Inductive loads require external suppression elements to limit voltage transients during switching. Channel grouping for high duty-cycle loads should consider cumulative thermal loading across adjacent outputs. Shielding and grounding should be terminated according to cabinet-level equipotential bonding practice to reduce noise coupling into adjacent I/O modules.
