Description
Product Introduction (Anti-Template)
The ‘BGF’ suffix on this latching relay board continues the pattern of GE’s variant-specific configurations—it’s another component variant within the ‘B’ revision family, likely driven by supply chain changes or customer requirements. The IS200TRLYH1BGF is a TRLY series board with the same functional characteristics as the standard TRLYH1B (latching relays, mechanical latch retention, improved coil suppression) but with component selections that may differ from the standard variant.
What does ‘BGF’ mean in practice? The ‘GF’ portion typically indicates a component variant—often a different relay brand, substituted latch mechanisms, or specific connector contacts. The board retains the critical latching functionality and safety-circuit compatibility but may have slightly different relay contact ratings, coil characteristics, or mechanical longevity depending on the substituted parts. If you’re replacing an existing ‘BGF’ board, match the suffix. If you’re substituting a standard ‘B’ for a ‘BGF’, verify the component differences with GE documentation or your OEM.
Key Technical Specifications
| Parameter | Value / Detail |
|---|---|
| Manufacturer | General Electric (GE) |
| Part Number | IS200TRLYH1BGF |
| Series | Mark VIe Speedtronic |
| Function | TRLY Termination Board (Latching Relay Output – Variant) |
| Nominal Voltage | 24V DC |
| Output Type | Latching relay (variant-specific) |
| Channel Count | Dependent on H1 configuration |
| Latch Retention | Maintains position through power loss |
| Coil Suppression | Improved in ‘B’ revision |
| Component Selection | Variant-specific (BGF suffix) |
| 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: IS200TRLYH1B — The standard ‘B’ revision. Identical pinout, mounting, and software interface. The ‘BGF’ uses different component selections. Most applications won’t see a difference, but verify with GE documentation for critical loads.
✅ Drop-in Replacement: IS200TRLYH1A — The ‘A’ revision. Direct hardware match. The ‘B’ revision (including ‘BGF’) has improved coil suppression and mechanical stops.
⚠️ 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.
⚠️ Software Compatible: IS200TPROH1B — Triac output board. No latching capability. Requires software and hardware rework. Budget 6-8 hours plus validation.
❌ Hardware Incompatible: IS200TBQGH1A — Excitation termination board. Different pinout and application. Not applicable.
Frequently Asked Questions (FAQ)
Q: What does the ‘BGF’ suffix mean on this TRLY board?
A: The ‘BGF’ suffix indicates a component variant within the ‘B’ revision family. It’s not a standard upgrade path—typically, ‘BGF’ means GE used different components (relays, latch mechanisms, or connectors) due to supply chain changes or a customer request. The board functions identically from a wiring and software perspective.
Q: Can I replace a ‘BGF’ board with a standard ‘B’ revision?
A: Usually yes—the boards are pin-for-pin compatible. However, we recommend verifying the component differences. Some ‘BGF’ variants have different relay contact ratings or latch travel characteristics. If those differences matter to your safety circuit, match the suffix. If you’re in a standard plant environment, the ‘B’ is typically fine.
Q: How do I know if I need the ‘BGF’ variant?
A: Check your original bill of materials or the board’s placement in your system. If the board you’re replacing has a ‘BGF’ suffix, we recommend replacing it with the same suffix. If you’re upgrading from a different variant, consult GE’s documentation for your specific Mark VIe configuration.
Q: Is the TRLYH1BGF hot-swappable?
A: We advise against hot-swapping relay boards. Even with latching relays, interrupting the circuit while under load can cause arcing. Power down the cabinet segment before swapping.
Q: What bench testing should I do before installing a TRLYH1BGF?
A: Standard latching relay protocol with component verification. First, visual inspection—compare the component markings against a known ‘B’ revision to identify differences. Second, verify continuity between each terminal block and its corresponding D-sub pin. Third, measure coil resistance for both set and reset coils. Fourth, apply power and verify each relay latches and unlatches correctly. Fifth, test the latch retention—remove power and verify the relay stays in position. Sixth, run a 48-hour cycle test at 50°C ambient.
Q: How do I verify I’m getting a genuine TRLYH1BGF and not a counterfeit?
A: Check the component markings against GE’s documented parts list for this variant. Weigh the board; should be about 380 grams. Look for the GE holographic security label. Test the latch retention: a genuine board will hold position through a power cycle.
Q: What’s the expected lifespan of the TRLYH1BGF?
A: With proper cabinet cooling and clean power, these boards typically run 15-20 years. The component differences on the ‘BGF’ variant may affect lifespan—check the specific component datasheets if lifespan is critical.
Q: Where do I find the official wiring diagram for the TRLYH1BGF?
A: GE document GEK-130545 covers the TRLY series. The ‘BGF’ suffix typically does not change the wiring diagram. However, always cross-reference against your cabinet’s as-built drawings. Verify every channel before terminating.

SCHENCK FZB 400 PLC
REXROTH CFG-RD500-NN-T1 PLC
SOLA 63-23-250-8 PLC
Email: sales@plcfcs.com
Phone:+86 15343416922
Wechat:+86 15343416922
PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
Complete service we offer
Payment: T/T
Delivery: 1-2 days
Shipment: DHL UPS FedEx, etc
After-sales service: Yes, 24/7 hours




Email: jiedong@sxrszdh.com
Phone / Wechat:+86 15340683922

Wechat:+86 15343416922