Detailed content
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Relays: Drives external trip solenoids / annunciators
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Material: Metal stiffener + high-temp FR4 + thermoplastic front
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Operating Temp: –20 °C to +60 °CFunctional Features: Hardware trip path independent of CPU (voted), LED per channel.Working Principle: Receives trip command from TCTG/TCCG cards, energizes/de-energizes hardware trip bus to fuel stop valve.Application: Overspeed, fire, manual emergency stop.Installation & Notes: Verify trip matrix wiring; test pushbutton quarterly; do not bypass hardware trip during startup.












