Description
Product Introduction (Anti-Template)
The ‘S1’ designation in this latching relay board tells you this is a specialized variant—not the standard H1, H2, or H3 density configurations. The IS200TRLYS1BGG is a TRLYS series board, and the ‘S’ likely stands for “Special” or “Specialized”—indicating it was designed for a specific application, customer requirement, or non-standard channel configuration. This board handles latching relay outputs with the ‘B’ revision’s spring-loaded latch mechanism and the ‘GG’ variant-specific component selection.
What does the TRLYS series represent? Unlike the TRLY series (standard configurations), the TRLYS boards are typically custom or specialized variants with non-standard channel counts, wiring layouts, or relay configurations. The ‘S1’ likely indicates a specific special configuration. The ‘B’ revision brings the spring-loaded latch mechanism with improved coil suppression over the ‘A’. The ‘GG’ suffix indicates component substitutions—likely different relays, latch mechanisms, or connectors. If you’re replacing an existing ‘BGG’ board, match the suffix. If you’re substituting a standard TRLY board, verify compatibility—the pinout may differ.
Key Technical Specifications
| Parameter | Value / Detail |
|---|---|
| Manufacturer | General Electric (GE) |
| Part Number | IS200TRLYS1BGG |
| Series | Mark VIe Speedtronic |
| Function | TRLYS Termination Board (Latching Relay Output – Special) |
| Nominal Voltage | 24V DC |
| Output Type | Latching relay (spring-loaded) |
| Channel Count | Specialized S1 configuration |
| Latch Type | Spring-loaded (B revision) |
| Latch Retention | Maintains position through power loss |
| Component Selection | Variant-specific (GG suffix) |
| Application | Special/custom configuration |
| Connector Type | 37-pin D-sub and terminal blocks |
| Mounting | DIN-rail or chassis mount |
| Operating Temp | 0 to 60°C (ambient) |
| Relative Humidity | 5% to 95% (non-condensing) |
| Compatible Rack | Mark VIe IS200 series backplane |
Compatible Replacement Models
✅ Drop-in Replacement: IS200TRLYS1B — The base ‘B’ revision. Identical pinout, mounting, and software interface. The ‘GG’ uses different component selections. Most applications won’t see a difference.
⚠️ Software Compatible: IS200TRLYH1B — Standard H1 variant. Different channel configuration and pinout—may not be a direct match. Verify compatibility before substituting.
⚠️ Software Compatible: IS200TREGH1B — Standard non-latching relay board. Does not retain state through power loss. Requires software reconfiguration for latching logic. Budget 4-6 hours.
❌ Hardware Incompatible: IS200TPROH1B — Triac output board. No latching capability. Different pinout.
Frequently Asked Questions (FAQ)
Q: What does the ‘S1’ designation mean on this TRLYS board?
A: The ‘S1’ indicates a specialized or custom configuration—not a standard density variant like H1, H2, or H3. These boards were typically produced for specific customer applications or non-standard channel configurations. Always verify pinout against documentation before using as a replacement.
Q: How does the TRLYS series differ from the TRLY series?
A: The TRLYS series represents specialized variants. The TRLY series is the standard latching relay board line. TRLYS boards may have non-standard channel counts, wiring layouts, or relay configurations specific to certain customers or applications.
Q: What does the ‘GG’ suffix mean?
A: The ‘GG’ suffix indicates component substitutions within the ‘B’ revision family—different relays, latch components, or connectors used due to supply chain changes or customer requests. The board functions identically from a wiring perspective.
Q: Can I replace a TRLYS1BGG board with a standard TRLYH1B?
A: Not without verification. The ‘S1’ configuration may have different channel assignments or pinouts. Consult GE documentation before substituting. If the pinout matches, you may be able to use a standard board, but verify every channel.
Q: Is the TRLYS1BGG hot-swappable?
A: We advise against hot-swapping relay boards. Power down the cabinet segment before swapping.
Q: What bench testing should I do before installing a TRLYS1BGG?
A: Specialized board protocol. First, obtain the correct wiring diagram for this specific variant—the ‘S1’ configuration is not standard. Second, visual inspection. Third, verify continuity between terminal blocks and D-sub pins. Fourth, measure coil resistance. Fifth, apply power and verify latching/unlatching. Sixth, document the pinout for future reference.
Q: How do I verify I’m getting a genuine TRLYS1BGG?
A: Check component markings against documentation. Weigh the board—should be about 380 grams. Look for the GE holographic security label.
Q: Where do I find the official wiring diagram for the TRLYS1BGG?
A: This is the critical question. The ‘S1’ variant may not be covered in standard GEK-130545. You’ll need the specific customer documentation or GE’s variant-specific drawings. Contact GE support with the full part number. If unavailable, reverse-engineer the pinout by tracing continuity from each terminal to the D-sub pins and document it for future maintenance.

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