ProSoft Technology 3170-PDP - Manual (Page 139)

Glossary 3170-PDP ♦ FLEX Platform
FLEX I/O™ PROFIBUS Adapter
ProSoft Technology, Inc. Page 139 of 152
August 23, 2007
slave
are only allowed to transmit immediate acknowledge or immediate response to
master requests. At the Link Layer level, any master can access any slave
without restrictions. Also referred to as passive stations or adapters.
STATUS command
in a MSG instruction, retrieves status information from a remote node and stores
it locally.
system parameters
allow you to check the current state of the coprocessor
third party multivendor configurator
a remote software tool used to define connections between devices and their
communication parameters on the network. The tool is available on the open
market from many vendors.
UINFO command
Unsolicited Variable Information. In a MSG instruction, a command that sends
unsolicited data such as an element, array of elements or predefined FMS
structure.
USTAT command
Unsolicited Status Information. In a MSG instruction, a command that sends
unsolicited status information such as an element, array of elements or
predefined FMS structure.
user interface
three LED indicators located on the front panel of the coprocessor provide the
user with the status of the coprocessor and its communication channels. Also
referred to as diagnostics.
variable objects
data that can be accessed from the network within an FMA server.
VFD
Virtual Field Device. A portion of the FMS server application process that makes
a set of resources (data files, program files, I/O) and their associated functionality
available for control and monitoring. For more information on VFDs, refer to DIN
19245 Parts 1 and 2: Process Field Bus.