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　　DS2020PDMAG6 - Analog I/O Board is available in stock which ships the same day.

　　DS2020PDMAG6 - Analog I/O Board comes in UNUSED as well as REBUILT condition.

　　DS2020PDMAG6 is an analog I/O board manufactured and designed by General Electric, belonging to the Mark V LM series used in turbine control systems. The Analog I/O Board (TCQA) can scale and adjust the large number of analog signals read by the terminal boards installed on the I/O cores R1, R2, and R3. This signal group includes LVDT input, servo valve output, thermocouple input, 4-20 mA input and output, vibration input, relay driver output, pulse input, voltage input, as well as generator and line signals. On the STCA board, some signals are written through 3PL connectors. Through JE connectors, the TCQC board receives and transmits generator and line signals. The TCQA board can scale and adjust the input signal of 420 mA, including fuel flow pressure and compressor stall detection signal.

　　TCQA connector:

　　2PL - distributes power from TCPS board to, and from the core.

　　3PL - The data bus between the STCA, TCQA, and TCQE boards in the core, as well as between the STCA, TCQA, and TCQE boards in the core. In order to transmit to COREBUS, conditionally adjusted signals are transmitted over 3PL.

　　JA - Connect JAR/S/T from TBQA board to carry corresponding R1, R2, and R3 core thermocouple inputs and cold junction calibration.

　　JB - Supports 4-20 mA input and output connected to the JBR terminal board on TBQC.

　　JD - Transmit the trip signal from the R1 core to the TCTG board in the P1 core; Not used in R2 or R3.

　　TCQA configuration:

　　Hardware: Use hardware jumpers J1 and J2 to select the mA output circuit. Use J5 and J6 to configure the mA output current range (maximum 20 mA or maximum 200 mA). For card testing, connect the RS232 port to J7. The oscillator is activated by J8. For detailed information on the hardware jumper settings for this board, please refer to Appendix A and the hardware jumper panel in the operator interface.

　　Software: The following introduces how to input 4-20 mA input and output, vibration, LVDT position, pulse rate, and thermocouple I/O configuration constants in the I/O configuration editor of the operator interface.

　　The Mark V turbine control system series is a traditional series because its original manufacturer is no longer actively producing it. That being said, the Mark V series is also one of the last product lines in General Electric's product line to adopt Speedtronic technology in its products, which was first introduced in the late 1960s along with the release of the Mark I. This DS2020PDMAG6 PCB can be better defined as a circuit board with firmware; This is the original functional product description mentioned in the General Electric manual. This DDS2020PDMAG6circuit board with firmware is not the original product with the expected functionality in the Mark V series; That should be the DS215TCQAG1 mother printed circuit board.

　　Hardware tips and specifications

　　This firmware equipped DS2020PDMAG6 circuit board utilizes its own specific set of features to introduce hardware components and component specifications. The GE RST analog I/O board DS200TCQAG1 includes six 34 pin connectors, two 40 pin connectors, and six jumpers. The board also has 6 LEDs. The LEDs are arranged in two rows, with three LEDs in each row, emitting light to indicate various functional faults or diagnostic test status. When the DS2020PDMAG6 board is installed in a larger Mark V series drive, it is installed between other boards, and the side of the GE RST analog I/O board DS200TCQAG1 is visible from the front glass of the cabinet. The LEDs in this DS2020PDMAG6 PCB assembly are arranged so that the operator can see them while the driver is running. The LED indicates the operational status of six functions on the circuit board and flashes when an activity occurs. To understand the purpose of each LED, you can read the installation instructions provided by the factory with the original circuit board for information about the LED. The driver operator can easily determine the operating status and ongoing processing of the circuit board at a glance.

　　JA, JB, JD, JE, JG, and 3PL are the IDs assigned to the 34 pin connector in the assembly of this DS2020PDMAG6 circuit board (with firmware). The ID is printed on the surface of the circuit board next to each connector. When you plan to replace a circuit board, please check the faulty circuit board while it is in the driver and mark the ID of the connector it is connected to on the ribbon cable. This will accelerate the installation speed of the new circuit board, as you will immediately know where to connect the 34 pin ribbon cable. Grasp the ribbon cable connector connected to the circuit board to remove it. It is important to understand the differences between this DS2020PDMAG6 product and other common Mark V turbine control system series products before making the final purchase decision. Firstly, this DS2020PDMAG6 PCB has a special Mark V series assembly version, which can be seen from the position of the special DS215 series label in the DS2020PDMAG6 functional product number. This firmware equipped DS2020PDMAG6 circuit board not only has a special assembly version, but also comes with an optional Mark V series software package, which can be clearly seen from the official feature description of this DS2020PDMAG6 PCB and the ZZ01A label at the end of the DDS2020PDMAG6 feature product number.

　　Pulse rate input circuit:

　　The TCQA board contains circuits for scaling and adjusting the pulse rate input read from the TCQC board through JE connectors. These signals come from magnetic pickup inputs and TTL (transistor to transistor logic) inputs, which are sent to QTBA and/or PTBA terminal boards. The input of high-pressure shaft speed enters the "R1" core. Other signals can be used with pulse rate input circuits on R2 and R3.

　　TCQA 4-20 mA input circuit:

　　The circuits for 0-1 mA and 4-20 mA input signals are provided by the TCQA board. The signal is read from the TBQC terminal board through the JB connector. When the sensor current passes through the load resistor, the voltage drop is measured by the TCQA board and written to the I/O engine through the 3PL connector. The current range of the input signal is selected using the hardware jumper on the TBQC terminal board.

　　TCQA 4-20 mA output circuit:

　　The circuit that drives the 4-20 mA output to the TBQC terminal board through the JB connector is provided by the TCQA board. Usually, these signals are used to power control devices.

　　TCQA thermocouple circuit:

　　TBQA terminal board is coupled with thermocouple. The thermocouple cold junction reference is provided by the circuit also located on the TBQA terminal board, and TCQA uses this reference to calculate cold junction compensation. The actual temperature read by the thermocouple is determined by the TCQA board using thermocouple input and compensation settings. The value is read by the I/O engine through a 3PL connector. I/O configuration constants are used to select the type and curve of thermocouples.

　　Frequently Asked Questions

　　What input formats can DS2020PDMAG6 read?

　　LVDT input is read by TCQA. A dedicated ribbon line connects the analog input-output board in the R control processor to the first redundant sensor input of VDC1 and VDC2.

　　What regulators are included in TCQA software?

　　The input/output setting software on the TCQA of each control processor in Mark V includes a digital control regulator.

　　What types of inputs does DS2020PDMAG6 read?

　　DS2020PDMAG6 reads LVDT input. The first redundant sensor input of VDC1 and VDC2 is also transmitted to DS2020PDMAG6 in thecontrol processor through a dedicated ribbon cable.

　　What is a part of the DS2020PDMAG6 software?

　　The digital control regulator is part of the I/O configuration software on the DS2020PDMAG6 in each control processor of the Mark V.

　　What happens to DS2020PDMAG6 when Mark V malfunctions and commits suicide?

　　When current fault suicide is enabled on the Mark V, the relay on DS2020PDMAG6 will be de energized, and a pair of normally closed contacts on DS2020PDMAG6 will short-circuit the output terminals together.

　　All products on this website are special products, and market prices have been fluctuating,

　　Please refer to the customer service quotation for details, as the product is new and the price is not genuine,

　　Please confirm the model, product, price, and other detailed information with customer service before placing an order. The website has been used,

　　The new one is for sale, please contact customer service for further communication.

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