GE IS200TRPGH1BDD TRPG Trip‑Solenoid Negative‑Side Power Terminal Board

Description

Hardware & Electrical Specifications

• Model：IS200TRPGH1BDD
• Part Number：IS200TRPGH1BDD
• Module Type：TRPG Trip‑Solenoid Negative‑Side Power Terminal Board
• Mounting：Cabinet panel mounting inside turbine control cabinet
• Power supply：‑125 VDC trip bus input for solenoid negative‑side power distribution; 28 VDC logic auxiliary power from VPRO protection processor
• Trip circuit：Distributes regulated‑125 VDC negative‑side power for three redundant emergency trip solenoid coils, matched with TREG positive‑side relay output
• Flame‑detector circuit interfaces：Supports flame‑detector signal return‑path wiring and signal conditioning
• Isolation：High galvanic isolation between trip power bus and control logic circuit, suppress plant ground‑loop interference
• Interface：Barrier‑type removable screw terminal blocks for trip‑solenoid and flame‑detector field wiring; multiple multi‑pin ribbon‑cable connectors for VPRO / TREG interconnection
• PCB treatment：Conformal coated for dust‑moisture‑corrosion resistance
• On‑board protection：ESD protection, MOV surge suppression, over‑current fuse protection for each solenoid negative‑side channel, transient absorption circuit for trip‑power loop
• Compatibility note：Cannot run standalone; must match Mark VI VPRO protection processor and TREG trip relay board; full trip‑loop power‑on simulation test mandatory after replacement.

Environmental Specifications

• Operating temperature：‑40 ℃ ~ +70 ℃
• Storage temperature：‑40 ℃ ~ +85 ℃
• Relative humidity：5%‑95% non‑condensing
• Installation location：Indoor turbine control cabinet
• EMC compliance：IEC 61000‑6‑2
• Certifications：CE

Mechanical Data

• Weight：approx 0.88 kg
• Dimension：178 mm × 330 mm × 43 mm
• Handling note：ESD‑sensitive PCB; safety‑critical‑125 VDC trip‑power circuit, anti‑static wrist‑strap mandatory during handling
• Recommended wire cross‑section：0.75‑2.5 mm² shielded twisted‑pair copper cable for trip‑solenoid and flame‑detector wiring
• Terminal tightening torque：0.6‑1.0 N·m

Main Functions

1. Screw‑terminal field termination for three emergency trip solenoid negative‑side coils and flame‑detector return‑path signal wiring, provides stable‑125 VDC negative‑side power for trip solenoids, cooperates with TREG board positive‑side relay output to realize complete solenoid drive loop.
2. Independent channel over‑current fuse protection, prevents single‑solenoid short‑circuit fault from damaging whole trip power bus.
3. Signal conditioning and return‑path filtering for flame‑detector weak current signals.
4. On‑board self‑diagnosis: detect‑125 VDC trip‑bus abnormal, auxiliary power loss, ribbon‑cable link failure and channel fuse blown fault, upload fault alarm to turbine main controller.
5. LED status indication:
   • Green LED：Board auxiliary power normal
   • Yellow LED：Ribbon‑cable link communication active
   • Red LED：Trip‑bus fault / fuse blown / link‑failure alarm

Installation & Wiring Requirements

1. Cut off rack power supply before replacement. Hot‑swap is forbidden. Strict anti‑static protection when handling PCB board.
2. Secure panel mounting firmly; ensure all multi‑pin ribbon‑cable connectors fully locked without loose contact.
3. Field trip‑solenoid and flame‑detector wiring strictly follow GE Speedtronic Mark VI wiring manual; safety‑related cables adopt shielded twisted‑pair, strictly separated from high‑power cables; connect shielding to dedicated ground terminal.
4. Complete protective grounding according to GE Speedtronic system specification.
5. After replacement: verify‑125 VDC trip‑bus voltage, check ribbon‑cable link status, cooperate with TREG board to execute full emergency‑trip solenoid action test, validate solenoid actuation performance before commissioning.
6. Replacement note: Verify whole trip‑loop power distribution and solenoid driving function after swap; full safety‑trip‑loop simulation test mandatory before unit put‑into‑service.