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Virtual Devices

NetLinx supports the concept of virtual devices. A virtual device is a device that does not physically exist but merely represents one or more devices.

  • Virtual devices carry a device number ranging from 32,768 to 36,863, a port number of 1, and a system number of 0.
  • Virtual devices are devices that cannot be taken off the bus.
  • By listing a virtual device as the first device in a DEFINE_COMBINE statement or as the first device in a COMBINE_DEVICES, COMBINE_LEVELS, or COMBINE_CHANNELS statement, the abnormalities seen in Axcess DEFINE_COMBINE statements are eliminated.

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