The IS200VAICH1DAB model has multiple sensors/transmitters; What do they do, or are they powered by?
The transmitter/sensor on the IS200VAICH1DAB can be powered by a 24 VDC control system power supply or can be powered independently. They are used to monitor each output on the VAIC board; If the command of the Mark VI processor does not clear the fault immediately, the suicide relay on the model will disconnect the corresponding output.
What exactly is the IS200VAICH1DAB model?
The IS200VAICH1DAB model is an analog input/output board. It is used to accept up to 20 inputs and control up to 4 outputs with two converters, A/D and D/A, signal conditioning and an analog multiplexer.
About IS200VAICH1DAB
As mentioned above, this GE IS200VAICH1DAB printed circuit board product was originally designed and manufactured specifically for placement in GE Products’ Mark VI family of turbine control systems. The Mark VI series contains this IS200VAICH1DAB PCB product, referred to as the Mark VI Series, specifically for a range of possible and intended product applications in the control and management systems of GE compatible gas, steam and wind turbine automation drive components. This must be classified as a significant advance in terms of functionality over the previous industry standard Mark V turbine control system family (almost identical to the full extended product family name), as the Mark V series was developed for a more restricted set of possible functional applications to exist in functional environments based on gas turbines and steam turbines. This IS200VAICH1DAB PCB is covered by our AX Control PCB warranty after purchase.
Hardware tips and specifications
The IS200VAICH1DAB model is manufactured by General Electric as an analog input/output board for Mark V systems in TMR or simplex applications. When used in a TMR system configuration, the input signals on the connected terminal boards (TBAIH1C or STAI boards) are fanned out to three VME racks T, R, and S, each containing a VAIC board. The output signal on the VAIC board will be driven by a proprietary circuit, using all available VAIC boards to generate the required current. If any IS200VAICH1DAB model on the VME rack fails, the faulty VAIC model will be removed from the output and the remaining VAIC boards can continue to provide the correct current. When the model is used in a simplex configuration, the connected terminal boards will provide the input to one of the VAIC models and all the current to the output. The original VME rach-built analog input/output board manufactured for GE’s Mark VI family of turbine control systems must actually be considered the IS200VAICH1 parent product with the same full functional description, as it does not have three important revisions of this IS200VAICH1DAB printed circuit board.
During the operation of the IS200VAICH1DAB model, it will control 4 analog outputs and accept up to 20 analog inputs. The model has an analog multiplexer, A/D converter, D/A converter and signal conditioning. This model has two analog inputs, ±1 mA or 4-20 mA, which can be selected via a jumper on the included terminal board. The analog output circuit is divided; Two outputs can be configured to be 0-200 mA or 4-20 mA, and the other outputs are only 4-20 mA. Both the input and output of the IS200VAICH1DAB model contain high suppression circuits to prevent high-frequency noise and surges. In this case, the IS200VAICH1DAB device benefits from its GE manufacturing because of the presence of IS200VAICH1DAB instruction manual materials, some of which have been stored in our handy manual TAB. One such material stipulates that each individual output or input in the normal assembly of an IS200VAICH1DAB product has its own corresponding factory printed naming label. Some of the individual IS200VAICH1DAB board analog inputs and outputs include:
A total of 16 ±10 V DC /±5 V DC /4-20 mA analog inputs
A total of four 4-20 mA/± 1 mA analog inputs
Two analog outputs totaling 0-20/0-200 mA
Two 0-20 mA analog outputs
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