Description

GE  DS215UCIAG1AZZ05A  controller card

Function and application:
Core protection and trip control: It is a key part for protecting the core and main trip circuits, equipped with at least two sets of main trip relays (PTR1 and 2) and three sets of three emergency trip relays. When two of the three relays in the system malfunction, it will trigger the turbine to trip to ensure the safety of the system.
Auxiliary control output: It features four auxiliary control outputs, which can be used to control electrical locking solenoid valves, oil reset solenoid valves, mechanical locking solenoid valves, and oil test solenoid valves, etc., thereby achieving precise control and status monitoring of related components of the steam turbine.
Test function execution: It can perform various tests, such as actual electrical overspeed trip test, mechanical trip piston test, actual mechanical overspeed trip test, TMR cross-trip test, etc., which helps to promptly identify potential system problems and ensure the stable operation of the steam turbine.

Related component connections: The GE RST analog terminal board DS200TBQBG1ACB is associated with the DS215UCIAG1AZZ05A. There are two terminal blocks on it, with 77 signal line connections in each block, as well as 15 jumps, three 34-pin connectors and three 16-pin connectors. The copper signal line is connected to the circuit board through terminal 154 to achieve signal transmission and interaction with other components of the driver and the board card.

Characteristics of the affiliated system:
Processor performance: If the associated processor is the VMIVME-7750, it adopts the Intel Pentium II processor, providing a processor speed of up to 1.26GHz, featuring 32-bit addressing and a 64-bit data bus. The superscalar architecture allows for the execution of three instructions per clock cycle. There are also dynamic branch prediction units, separate instruction and data caches, and MMXT technology, which can enhance processor performance while providing 256KB (512KB at 1.26GHz) of advanced transfer cache (on-chip full-speed L2 cache).

Memory specification: If it is a VMI-VME-7750 processor, it can accept 144-pin SDRAM SODIM, the memory capacity is 512Mbyte, and it is a dual-port VME.
Graphics adaptation: Supports high-resolution graphics, with an integrated 815E chipset AGP graphics adapter, complemented by a 4M byte external synchronous DRAM cache and a high-bandwidth 64-bit data interface.

In conclusion, the DS215UCIAG1AZZ05A plays a crucial role in GE’s steam turbine control system, ensuring the safe and stable operation of the steam turbine, as well as facilitating maintenance and testing through multiple functions and features.