
Labels
WBPEEUI240751C0
6 - 3
process. Refer to the
Primary Interface
Primary Interface
Primary Interface
Primary Interface
instruction for an
explanation of online configuration.
Tuning is the process of making changes to function code
specifications while the controller and I/O blocks are execut-
ing. Not all specifications can be tuned. Only those specifically
designated as tunable can be tuned. Refer to the
Function
Function
Function
Function
Code Application Manual
Code Application Manual
Code Application Manual
Code Application Manual
to identify tunable function code
specifications.
Time Synchronization
All I/O blocks are time synchronized to insure accurate time
stamping of process data. The Harmony controller maintains
the time synchronization. The I/O block time-stamps data
(input and output values) to a resolution of one millisecond. It
applies the time-stamp to a value at the time the value is
acquired.
Firmware Download
The I/O block firmware includes a real-time operating system,
Hnet support, redundancy link support, and the function code
environment. The I/O system supports firmware downloads,
which allows I/O block firmware to be updated without having
to replace physical components. All firmware downloads are
performed using Composer tools and are managed by the Har-
mony controller. Refer to the
Primary Interface
Primary Interface
Primary Interface
Primary Interface
instruction for
firmware download procedures.
The controller takes an I/O block offline to download new firm-
ware. The block’s status LEDs will indicate a 0x19 (25 decimal)
code when a firmware download is in process (refer to
Table
8-3
).
Labels
A label is simply a name assigned to a device or an I/O point.
In this case, device refers to an I/O block. The Harmony I/O
system uses two types of labels: device and channel. The
device and channel labels are character strings saved in mem-
ory. Labels can be up to 32 characters.
NOTE:
A device label is required. Channel labels are optional.
Содержание Symphony Harmony Series
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