Product Details
Configured for discrete status signal acquisition and logic level verification in WESDAC distributed sub-stations, the GE WESDAC D20 PS (WESDAC D20 PS Status Input Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | WESDAC D20 PS |
| Brand | GE (General Electric) |
| Origin | United States |
| Weight | Standard D20 Series Peripheral Weight Profile |
| Dimensions | Compact Substation Rack Chassis Enclosure |
| Operating Temp | -20 - +60 deg C |
| Power Consumption | Base Supply Input: 24 VDC +/- 10% |
| Input Channel Isolation | Channel-to-Backplane Opto-Coupled Isolation |
| Communication Interfaces | Modbus RTU, Modbus TCP/IP, EtherNet/IP |
| Configuration Tool | GE Logic Developer Software Environment |
| Local Visual Interface | Integrated LCD Status Panel Display |
| Electrical Protection | Overvoltage, overcurrent, short-circuit protection |
| Power Quality Filters | Onboard power factor correction and harmonic filtering |
Profinet / EtherNet/IP Deterministic Networks and I/O Density Scaling
The peripheral module processes binary state variables from field dry contacts and maps them directly into internal system status registers. When building complex remote terminal units, I/O density scaling relies on sequential backplane bus extension lines that run parallel communication protocols, such as EtherNet/IP deterministic networks or Modbus TCP/IP structures. To secure strict determinism during multi-point signal transitions, all data mapping definitions must align with verified firmware flash compatibility matrices running on the upstream D20 processor node.
Frequently Asked Questions
Q: Does the WESDAC D20 PS module support online hot-swapping during active backplane logic scanning?
A: No. The internal logic bus traces and the 24 VDC auxiliary power supply rails do not feature staggered pre-charge pin arrangements. Removing the module while the backplane is energized can generate voltage transients that interrupt active network traffic.
Q: How do the integrated harmonic filtering and power factor correction circuits handle voltage variations?
A: The onboard filtering components stabilize incoming power feeds within the 24 VDC +/- 10% voltage window. This hardware framework suppresses line-induced noise and electrical spikes before they reach the internal discrete isolation circuits.
Field Installation Guidelines
- Chassis Panel Grounding: Mount the module frame firmly onto the metallic backpanel rail, ensuring all fastening screws breach anodized surfaces to achieve a direct, low-impedance ground connection.
- Signal Wire Segregation: Route all discrete 24 VDC input lines through dedicated wireways separated from high-current AC power conductors to prevent capacitive noise coupling across data lines.
- Network Shield Continuity: Terminate the communication cable shields at a single point near the enclosure entry gland to block external electromagnetic field interference.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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