Nortek Signature VM Operation Manual

Nortek Signature VM Operation Manual Manual pdf 10 page image

10NORTEKThe unit will work with any voltage between 12 and 34 VDC, but 24VDC is preferred. When using 12VDC,current surges of up to 1.5 A may occur, so the required power lines should have a low ohms resistance.2.3.2 AC versionThe AC version can take mains power ranging from 100 to 240 VAC. Power is connected using a standardIEC mains socket on the rear. The socket contains two 1.6AT fuses.2.4 Connecting the partsA Signature VM system basically consists of three parts: a Signature sensor, a GNSS and a computer. Theinterface box contains all necessary interconnections and power supplies for the other parts.Figure 6 Connecting the interface to the PCNote that only one ethernet port on the PC is configured to connect to the Signature VM Interface. Thesystem will not work if this is connected to the wrong port!The second ethernet port may be connected to the local network and is only used to access the internet.2.4.1 Connecting the Signature SensorThe Signature sensor is connected through its Ethernet interface. This is the 6-Pin connector on the sensor.The 8-Pin connector is not used in this configuration and should be fitted with a ‘dummy’ connector.USBEthernet