Acrodyne NW8201E DIGITAL TELEVISION BROADCAST TRANSMITTER User Manual 32 NV8202 26 04 06 01 00

Acrodyne Industries, Inc. DIGITAL TELEVISION BROADCAST TRANSMITTER 32 NV8202 26 04 06 01 00

Users Manual Part 3

Chapter 2 Design and Characteristics2099.9595.72 - 2.9 - E-21.1.6 Optional SocketFig. 10 Optional socketThe optional socket is not connected with the transmitter network and must be supplied bymeans of a separate power lead.1.1.7 Grounding BoltFig. 11 Grounding boltThe grounding bolt connects the rack with the station's main grounding terminal.Note The rack must be connected to the main grounding terminal in all cases.
Chapter 2 Design and Characteristics2099.9595.72 - 2.10 - E-21.2 Transmitter Control UnitFig. 12 Equipment of the transmitter control unit1) NETCCU2) Rack controllerThe transmitter control unit contains the following components: NETCCU®Rack controllerThey monitor and control the transmitter to ensure that it functions properly. 1.2.1 NETCCUFig. 13 NETCCUThe NETCCU® 800 transmitter control unit is responsible for both internal and externalcommunication, including all control functions. The NETCCU® 800 shows the current statusof the transmitter system on a color display.Note For detailed information about the NETCCU®, refer to the NETCCU® manual.
Chapter 2 Design and Characteristics2099.9595.72 - 2.11 - E-21.2.2 Rack ControllerFig. 14 Rack controllerThe rack controller is used to monitor, control and protect the transmitter rack. It handlesthe following functions:Keeps the transmitter running if the NETCCU® failsControls data exchange between the NETCCU® and other components via CAN busMonitors the outlet air temperature Acquires measured data about the intake and outlet air temperaturesTransfers messagesAccepts and outputs rack commands (e.g. transmitter ON -> amplifier ON, cooling sys-tem ON)Configures the test points (mode-dependent)Switches off the rack in the event of malfunction (e.g. fan failure)The following equipment and modules can be connected to the rack controller:NETCCU® via CAN-BusExciter (1 or 2)External water pump (water-cooled transmitters)Amplifier stages (1 or 2)Power distributionTemperature sensorsPower test pointsNote The rack controller cannot be operated directly. It is operated via the NETCCU®.

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