Product Details
Configured for field signal termination and circuit protection in D20 and D200 substation control networks, the GE 517-0224 (D20 M+SS Termination Panel) provides direct physical/electrical execution. The unit routes field wiring connections directly to and from the primary D20 M+SS control module, establishing an organized terminal interface that enables module maintenance without disconnecting field conductors.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 517-0224 |
| Brand | GE |
| Origin | USA |
| Operating Temp | -20 to +70 deg C |
| Power Consumption | Passive Enclosure (0 W Base Draw) |
| Wiring Interface | Screw Terminal Blocks |
| Protective Component | Integrated Protection Diodes |
| System Compatibility | GE D20 / D200 Substation Automation Controllers |
| Dedicated Module | GE D20 M+SS Control Module |
I/O Density Scaling and Protection Diode Routing
The 517-0224 panel manages I/O density scaling while isolating primary processing hardware from high-voltage field transients. Integrated protection diodes suppress reverse polarity and inductive flyback voltages generated during field contact switching. This decoupling structure prevents noise coupling across backplane bus communication channels, preserving deterministic data transmission and firmware flash compatibility across the D20 substation automation architecture.
Frequently Asked Questions
Q: What specific protection do the integrated diodes provide on the 517-0224 panel?
A: The protection diodes block reverse voltage spikes and inductive surge currents coming from field devices, preventing electrical transients from reaching and damaging the main D20 M+SS module.
Q: Can a failed D20 M+SS module be replaced without disconnecting field wiring?
A: Yes. Field wiring remains permanently landed on the screw terminal blocks of the 517-0224 termination panel, allowing the active module to be unseated and swapped out without disturbing the field harness.
Field Installation Guidelines
- Ensure all field power sources routed to the termination panel are fully isolated and de-energized before mounting or wiring.
- Secure the 517-0224 panel inside the control enclosure using appropriate mounting hardware, verifying rigid mechanical mounting.
- Strip field conductor ends to approximately 6 mm to 8 mm and insert them into the terminal block positions, tightening screws to specified torque limits to avoid high contact resistance.
- Verify DC voltage polarity across terminals to ensure field current aligns correctly with the forward-bias direction of the internal protection diodes.
- Connect cabinet structural grounding to Earth with a low-impedance conductor (less than 0.1 ohms) to ensure transient suppression paths function properly.
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.
Tech & Buying Guide
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