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Phone: +86 16626708626Description
Key Technical Specifications
- Part Number: DS200SHVMG1A
- Manufacturer: GE
- Series: Mark V
- Product Type: SCR High Voltage M-Frame Interface Board
- Function: Interfaces SCR bridge signals to DCFB, SDCI, and PCCA boards
- Connector Count: 8 plug connectors, 18 stab connectors
- Electrical Note: Floating high-voltage board hardware
- Current Handling Note: 10:1 CT attenuation available for AC line currents
- Approximate Weight: 0.64 to 0.69 lb
- Approximate Dimensions: 6.4 x 6.4 x 4.8 in
- Condition: Legacy industrial control part
- Compatibility Note: Verify exact suffix and board revision before ordering
Product Introduction
GE DS200SHVMG1A is a Mark V SCR high voltage M-frame interface board used in GE turbine drive and exciter systems. It passes signals from the SCR bridge to the DCFB, SDCI, and PCCA boards in legacy control cabinets.worldofcontrols+1
This board sits in a high-voltage section, so the installation discipline matters. De-energize both control power and the high-voltage input, then verify connector layout and suffix match before replacement.axcontrol+1
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| Drive bridge feedback missing | Failed SHVM board, open connector, or upstream bridge issue | ✅ High | Check connector seating, then verify bridge feedback at the board interface | Inspect wiring and upstream power before replacing the board |
| Persistent drive alarm on high-voltage section | Board not receiving correct floating signals | ✅ High | Confirm control power and high-voltage input are both de-energized, then inspect connectors | Recheck board installation and signal path |
| Intermittent current feedback | Loose stab connector, wiring issue, or attenuation setting problem | ✅ High | Inspect all 8 plug connectors and 18 stab connectors for fit and damage | Reseat connectors and verify CT attenuation setting |
| No LEDs or obvious local indicators | Normal for this board, or upstream issue | ✅ Medium | Do not rely on LEDs; check system-level diagnostics and input voltages | Use cabinet diagnostics instead of visual-only checks |
| Trip or overrange on ACCT signal | Wrong CT attenuation setting or incorrect wiring | ✅ High | Compare the CT attenuation position to the site documentation and measure signal path | Set attenuation correctly and verify against the original board |
Contact technical support with photos of the board, connector positions, cabinet wiring, and diagnostic logs if the fault still does not clear.
- DS200SHVMG1A
Frequently Asked Questions
Q: Is DS200SHVMG1A still available as new stock?
A: Often it is sold as New Surplus or unused inventory. Because this is a legacy Mark V part, availability changes fast and exact condition should be confirmed before purchase.automationindustrial+1
Q: What does this board do in the system?
A: It interfaces signals from the M-frame SCR bridge to the DCFB, SDCI, and PCCA boards. In plain terms, it helps move feedback and control signals through the high-voltage section.worldofcontrols
Q: Can I swap it while the cabinet is live?
A: No. This board sits in a floating high-voltage section, so both control power and the high-voltage input must be de-energized before handling it.worldofcontrols
Q: Does this board have LEDs or fuses for quick troubleshooting?
A: No, not typically. This design uses connectors, jumpers, and signal checks instead of simple front-panel indicators, so system diagnostics matter more.worldofcontrols
Q: What makes a failed swap look like a bad board?
A: Wrong connector seating, CT attenuation mismatch, or an upstream SCR bridge issue can all mimic a bad SHVM card. I would check those first before condemning the board.worldofcontrols
Q: Why is the part sometimes listed with different suffixes?
A: Sellers may list related revisions or superseding variants. For replacement work, the suffix needs to be verified against the removed board and the site drawings.radwell+1
Q: What should I send to a supplier before ordering?
A: Photos of the part label, connector side, and cabinet wiring are the fastest way to avoid a mismatch. That saves time on Mark V hardware, where exact revision fit matters.
