DS3815PCBA GE Control Circuit Board Four TP Test Points For The Mark IV Gas

DS3815PCBA GE Control Circuit Board  four TP test points  for the Mark IV gas
 

Product Description
The DS3815PCBA is a GE component manufactured for the Mark IV gas and steam turbine management system. The Mark IV uses a triple redundant configuration of microcomputers to carry out continuous diagnostics of the turbine system; if one of these sections fails the turbine will still run under the control of the remaining two sections. This gives the operator time to fix the failed section and put it back into service. The MKIV monitors such things as turbine speed, temperature, and power supply.
The DS3815PCBA is built with one amber LED and one red LED. It has four resistor network arrays placed on the board. There are also six jumpers placed on the DS3815PCBA. Jumpers allow the user to customize some circuits as they choose.
The DS3815PCBA has four TP test points. There are three connectors for communicating with other PCBs. These connectors are marked 218A4553-1 AMP 533002-1, 218A4807-P5, and 278A3465. The last of these have two screw connectors.
The DS3815PCBA has an extractor clip installed in two corners. The board is factory drilled in each corner. The board is populated primarily with ceramic-covered metal film resistors. Capacitors may be made of ceramic, polyester film or other material.
The DS3815PCBA has over fifty circuits. This includes quad two-input NAND gates, presettable 4-bit binary up/down counters, octal buffers and line drivers, and 16-bit HMOS microprocessors.

 
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Product Description
The DS3800DBIB is a small printed circuit board (PCB) designed as part of the Speedtronic (Mark IV) line manufactured by GE. The Speedtronic system is designed to sequence turbine fuel and to sequence turbine systems and their auxiliaries for startup. The Mark IV system is designed with a distributed control system which runs on an array of interconnected microprocessors. When one section of this gridwork fails, turbines will continue to work under the control of other parts of the system. In this way downtime is limited. The DS3800DBIB is designed specifically as an interface board.
 
The DS3800DBIB is a small daughterboard that works as a plug-in to another, larger PCB. It has been drilled out at the factory, one hole in each corner of the board. This board also has four connectors numbered 1 through 4. It has two small screw mounts covered by black tabs. The first mount is marked C101 and is positioned next to a ring marked TP1. The second is not marked and positioned next to a ring marked TP2. The DS3800DBIB has one capacitor rated 708A1, M/E 200V 1.0 +10%. It also has one blue potentiometer located on the edge of the board that is wired for variable resistance. There are ten resistors and six small capacitors marked 'cr' on the DS3800DBIB PCB
 

 
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