The Schneider Electric 140DDO84300, also cataloged as the 140DDO84300 Discrete Output Module, operates as a dedicated hardware component for solid-state DC switching tasks within Modicon Quantum automation platforms. The module manages 16 independent channels organized into isolated groups to execute positive source logic commands, transferring discrete control profiles directly from the processor backplane to field-side actuators without auxiliary relay components.
| Parameter | Specification |
|---|---|
| Model | 140DDO84300 |
| Brand | Schneider Electric |
| Origin | France |
| Weight | 0.45 kg (0.99 lbs) |
| Dimensions | 398 mm x 41 mm x 152 mm |
| Operating Temp | 0 to 60 deg C |
| Power Dissipation | 1 W + (1 V x total module load current) |
| Number of Channels | 16 Channels (2 groups of 8) |
| Output Type | Discrete Outputs (Positive source logic) |
| Discrete Output Voltage | 10 to 60 VDC (Limits: 10.2 to 72 VDC) |
| Absolute Maximum Output | 72 VDC permanent |
| Maximum Load Current | 12 A per module (6 A per group) |
| Required Bus Current | 160 mA |
| Response Time | <= 1 ms (State 0 to 1 and State 1 to 0) |
| Isolation between Channels and Bus | 2500 Vrms DC for 1 minute |
| Maximum Relative Humidity | 95% Without Condensation |
| Storage Temperature Range | -40 to 85 deg C |
| Certifications | CE, UL, CSA, RoHS |
The 140DDO84300 module interfaces with remote communication drops to align discrete switching cycles with Profinet / EtherNet/IP deterministic networks. By requiring exactly 1 output word for I/O density scaling, the internal hardware execution guarantees end-to-end signal propagation response times of <= 1 ms. This fixed mapping profile allows the host controller to maintain synchronous network update loops across long-distance topologies while mitigating data latency or channel-to-channel communication skew under peak inductive load demands.
Q: What are the internal protection limitations if an external field wire experiences a short circuit?
A: Each group of 8 channels contains an internal 8 A fuse designed to isolate catastrophic over-current faults. Individual output points are rated for a 2 A maximum fuse threshold, and exceeding the 6 A group limit or 12 A total module limit will trigger thermal protection or open the group fuse.
Q: Can this module be configured to drive negative logic or sinking field circuits?
A: No. The internal transistor architecture of the 140DDO84300 is hardwired strictly for positive logic (source) operations, where the module supplies voltage directly to the load from the external DC power supply rail.
Q: What is the absolute voltage limit before the solid-state components suffer insulation breakdown?
A: The module is rated for a permanent maximum of 72 VDC. Isolation barriers between the independent channel groups and the low-voltage logic bus are rated up to 2500 Vrms DC for a duration of 1 minute.
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