✦Basic product information：

Part number: IS215VPROH2B
Manufacturer: General Electric
Function: Turbine protection plate
Series: Mark VI Input
Quantity: 3 Output
Quantity: 6
Operating temperature: -30 to 65 ºC
Power supply voltage: 125 V DC
Technology: Surface mount
Board size: 33.0cm high x 17.8cm

VPROH2B IS215VPROH2BC

The IS215VPROH2BC model is designed to be used both as a turbine emergency trip and as a turbine protection plate. It is primarily used as an input/output processor board for TPRO and TREG boards. The TREG board is the type used when the VPRO interfaces with the turbine emergency jump gate. TPRO models are used with VPRO for turbine protection applications.

When the VPRO model is used with the TREG board, the I/O signal types include power-saving relays, scram inputs, trip interlock inputs, and trip solenoid valve drivers. Each processor also has a certain amount of I/O. For example, each available TREG board has seven trip interlock inputs and three trip solenoid valve drivers. Note that when the IS215VPROH2BC model is running as a turbo emergency trip processor board, it is also capable of connecting to the TPRO terminal board via an Ethernet cable.

When the IS215VPROH2BC board is used for protection module applications, the main purpose is to ensure that the selected turbine does not experience any type of overspeed. The important thing to note when working with this model is that it will always be triple redundant and will have three completely separate and independent parts, named X, Y, and Z. The model is able to shut down one part of the turbine while it is running without compromising the protection system.

Note that the VPRO board will have its own onboard power supply, which will generate 5 to 28 volts of DC from the 125 volts obtained from the cabinet PDM.

Installation:
Shut down the VME processor I/O rack.
After positioning the edge connector by hand, slide the VPRO board into place.
Tighten the top and bottom of the front panel with additional screws.
Open the VME rack and check the top diagnostic indicator on the front panel.

Controls:
The main use of the protection module is for emergency overspeed (EOS) protection of the turbine using three VPRO boards. In addition, the VPRO has backup synchronous check protection, 3 analog current inputs and 9 thermocouple inputs, mainly for exhaust overtemperature protection of gas turbines.
The protection module is always triple redundant with three fully independent and self-contained VPRO boards named R8, S8, and T8 (originally called X, Y, and Z). Any one of these panels can be turned off and replaced while the turbine is running without compromising the protection system. Each board contains its own I/O controller. Communication allows launch of test commands from the controller to the protection module and monitoring of EOS system diagnostics on the controller and operator interfaces. Communication resides on the VPRO board, which is the heart of the system. The VPRO board has a VME interface, allowing programming and testing in the VME rack; However, when a protection module is inserted, the backplane is neutralized to eliminate any continuity between the three separate parts.

✦About Chengdu Sunshine Xi He

Chengdu Sunshine Xi He Electric Co., Ltd. specializes in selling the world’s major electrical brand products overseas direct procurement,

genuine inventory, price preferential after-sales warranty, complete models, the same product, not the same price and service.

Large supply of original imported DCS system accessories, PLC system accessories.

Main :ABB, GE Fanuco, Bentl Bentley, Triconex Invensys, Woodward Woodward, Foxboro, Foxboro,

Westinghouse /Emerson, Reliance Ryan, SchneiderModicon, A-B, HIMA dark horse, Motorola MOTOROLA,

Kollmorgen Kollmorgen Bosch/Rexroth/ Bosch Rixon, NI,YOKOGAWA Yokogawa, and other major brands of DCS system accessories,

robot system accessories, large servo system discontinued spare parts.

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