Working with Master/Slave 8-2
ICE Vulcan Service Manual
Master/Slave Applications
The master/slave network are typically used under the following
circumstances:
•
Group Job Select: When two or more printheads are required to code
onto the same side
packaging film
•
Group Control: When control for multiple LPAs is required from a
single location.
•
Multiple Machine Mode: On high speed production lines where
downtime needs to
be minimized for consumable changeover
Master/Slave Terminology
The master/slave network uses the following terminology:
•
Group Job Select: Allows connection of up to four standard LPAs
(with LCD's), with Job
selection available only from the LPA
configured as the Master. This mode greatly reduces
potential
Operator errors when inputting variable data.
All other functions are performed at each local LPA's LCD panel.
•
Group Control: Allows connection of one standard (with LCD) acting
as the Master, to up to
three Slave (without LCD) LPAs.
All Job selection, Setup, Diagnostics and Error reporting are
performed at the Master LPA only.
•
Auto Changeover: Allows the connection of two LPAs. Two LPAs are
setup in auto
changeover mode, one operating as the master (1), the
other as the slave (2). Job selection
available only from the LPA
configured as the Master (1). All other functions are performed at
the
local LPA's LCD panel.
LPA Terminology
To avoid confusion to the user, the following terminology is used in this
chapter:
•
Standard LPA: A LPA installed with CLARiTY Operator Interface
•
Slave LPA: A LPA without the CLARiTY Operator Interface
•
Master or Master LPA: A LPA that has been designated to act as the
Master member of a
Master/Slave group
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