Description
The IS2020RKPSG3A functions as a VME Rack Power supply within the Mark VI Turbine Control System Series that it was originally designed by General Electric for. The Mark VI is one of the last Speedtronic steam or gas turbine management systems created and released by GE. This line of turbine management ran from the late 1960s when they released the Mark I system through the 1990s with the release of the final two systems, the Mark VI and the Mark VIe. The Mark VI Series that the IS2020RKPSG3A VME Rack Power Supply Module is a component member of is lauded in the greater automated industrial community as is represents a major improvement on the previously-introduced Mark V Turbine Control System Series; which only had restricted applications in steam or gas turbine automated assemblies. This IS2020RKPSG3A device's larger Mark VI Series is additionally describable as one of the last-produced GE Mark product series to make use of the brand's patented Speedtronic technology of control systems, a technology first witnessed with the inception of the Mark I Series way back in the later 1960s. Hardware Tips and Specifications The IS2020RKPSG3A is one of seven (major) versions of the VME Rack Power Supply. Each of these versions has different input and output requirements. The IS2020RKPSG3A has an output rating of 400W. Its input voltage rating is 125 Vdc. The module has a Status ID output, a remote +28V PSA output, and an additional five +28V PSA outputs. The module is designed to mount to the right side of the VME control and interface racks. This IS2020RKPSG3A device is actually not the originally-made product of its specific Mark VI Series functional role, as that would be the IS2020RKPSG3 parent VME Rack Power Supply not making use of this IS2020RKPSG3A device's sole A-rated primary functional product revision. Given the fact that this IS2020RKPSG3A device belongs to a General Electric Mark product series, its interior base circuit board should be protected through a thick normal style of PCB coating. It is a bit surprising to see that this IS2020RKPSG3A device does not receive any exhaustive conformal PCB coat, given the fact that similarly-labeled Mark VI Series products tend to. The IS2020RKPSG3A functional product number can be treated as an additional fine source of IS2020RKPSG3A Board hardware information, revealing this IS2020RKPSG3A device's:
• Special modular Mark VI Series assembly
• Domestic original manufacture location
• RKPS functional product abbreviation
• Normal PCB coating style
• Group 3 Mark VI Series product grouping
• A-rated primary functional product revision
The IS2020RKPSG3A module has a front faceplate with a toggle switch that is the only user control on the module. Module faults can be reset using this toggle switch. The faceplate also has three LED indicators, including a green, a red, and a yellow LED. Connections mentioned in the previous paragraph (PSA outputs) are located on the top and bottom of the unit. The side of the unit is designed with a number of metal fins that function as a heat sink component. As defined in the instructional manual materials gathered for your convenience in our manuals tab above, this device works in close proximity with the IS2020LVPSG1 printed circuit board product offering; another power supply board product existing within the same Mark VI Turbine Control System Series. The Mark VI, which can be built in either Simplex or TMR (triple modular redundant) form, is built around a central Control Module. This connects to termination boards that receive inputs from other boards connected to the system. The Control Module is also connected to an Operator Interface, or HMI, that allows access via a Windows platform to system data.
To turn off the power supply
- Loosen the PSA/PSB bracket captive fastener at the module's top front.
- Take the PSA/PSB bracket assembly and separate it from the RPSM.
- Unplug the bottom connectors.
- Loosen the two captive bolts on the front sheet metal bracket.
- Slide the sheet metal bracket/power module assembly off the control rack by pulling it forward, disconnecting the four rear side connectors.
- Remove the four mounting screws that secure the RPSM to the bracket.
Installing the power supply
- Find the supply mounting sheet metal bracket as well as the four mounting screws.
- Place the module on the bracket with the face of the module facing the captive fasteners, then install and tighten the four mounting screws.
- Slide the module bracket assembly onto the control rack, connect the four rear side connectors, and then tighten the two front captive bolts.
- Insert the rear tab of the PSA/PSB assembly into the slot on the bracket positioned at the top rear of the RPSM.
- Insert the connection assembly into the RPSM's mating connectors.
- Tighten the captive fastener on the PSA/PSB bracket.
- Connect the bottom connectors of the power supply.
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