
8.LADDER DIAGRAM MONITOR AND EDITOR SCREENS ([PMC LADDER]) B-63983EN/02
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8.2 MONITORING LADDER DIAGRAMS ([LADDER] SCREEN)
LADDER DIAGRAM MONITOR screen shows the on/off status of
contacts and coils, and the contents of address specified for parameter
of functional instructions.
From the PMC LADDER menu, you can switch to the LADDER
DIAGRAM MONITOR screen by using the [LADDER] soft key.
You can use following operation at this screen, including "Forced I/O
function (Forcing mode)", by which you can force the relay or the
address parameters of functional instructions to a new status or value.
· Switch subprogram to show [LIST]
· Search for address or others [SEARCH MENU]
· Show data table of functional instructions [DATA TABLE]
· Go to COLLECTIVE MONITOR Screen [SWITCH]
· Forced I/O function (Forcing mode) "number" + INPUT key
(1) Screen structures
(a) Title information (REMARKS) of the LADDER Program,
the current subprogram, and the current position
information of the Diagram displayed in this screen, are
displayed above the LADDER Diagram.
When you select a subprogram to be displayed, range for
search function is indicated at right of the top line as
"LOCAL" or "GLOBAL". In case of "LOCAL", the range
for search function is restricted within the current
subprogram. In case of "GLOBAL", on the other hand,
search function searches whole of LADDER program, and
switch current subprogram automatically according to the
result of searching.
Key input line
Message line
dditional information line
Area for LADDER Diagram
Title information (REMARKS) Current subprogram