GE DS3815PIOA1C1A - Analog output module
1. Product overview
GE DS3800DGRD1C1ABA01 is a digital relay driver board designed by GEneral Electric (GE) for Mark IV Speedtronic series gas turbine control system. As a key interface component, the board is responsible for controlling the switch state of relay and ensuring the reliable operation of gas turbine protection system, fuel control and safety interlock.
2. Hardware architecture and key components
2.1 Core functions
Relay drive: provides multi-channel digital signal output and drives external relays to act.
Signal isolation: photoelectric coupling isolation to prevent high voltage interference from damaging the control system.
State monitoring: LED indicator lamp displays the working state of relay in real time.
Redundancy design: support hot plug replacement to improve system availability.
2.2 Main hardware components
Component specification
High current driving capability of relay driver chip (typical 500mA/ channel)
Optocoupler isolator 2500Vrms isolation voltage
Status indicators are green (normal operation) and red (fault)
Connector high-reliability industrial-grade terminal
Protection circuit overcurrent protection, reverse voltage protection
electrical specification
Parameter specification
Input voltage 24VDC 10%
The maximum driving current is 500mA/ channel.
Response time ≤ 10ms
Isolation voltage 2500Vrms (between input and output)
Operating temperature-20 C to+70 C.
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