Rockwell-automation 2711 PANELBUILDER SOFTWARE USER MANUAL Manual de usuario Pagina 78

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Planning Your Application
Chapter 4
4-3
Figure 4.1
Screen
with Alarm W
indow Covering Buttons
22005
Alarm Message 6 01:06:53 01/15/92
Alarm Message 5 01:06:53 01/02/92
Alarm Message 4 01:06:53 01/02/92
Alarm Message 3 01:06:53 01/02/92
Alarm Message 2 01:06:53 01/02/92
Alarm Message 1 01:06:53 01/02/92
Cursor
Up
Acknowl
Alarm
Cursor
Down
--FRONT
--FRONT
CENTER
--BACK
CENTER
CENTER --BACK
_ ON _ ON _ ON _ ON _ ON
IMPORTANT: As a safety feature, buttons are momentarily disabled
after screen changes. Also, whenever a new screen appears, all buttons
must be released before any button will respond.
Rack and block transfer assignments for a PanelView terminal follow the
same basic rules as standard Allen-Bradley 1771 I/O racks. For detailed
information on rack and block assignment, refer to the 1771 SN Sub I/O
Scanner Data Sheet.
Any available rack number(s) can be assigned to a PanelView terminal,
assuming, of course, that the assignment is valid for the type of host PLC
controller and Remote I/O Scanner in the PLC System. A PanelView
terminal can occupy up to eight different rack numbers and can also
support fractional rack assignments.
IMPORTANT: Each rack assignment adds 5 to 7 milliseconds to the
remote I/O scan time.
Each rack can support up to 8 module groups (numbered 0–7). However,
PanelView can only support 1/4, 1/2, 3/4, and FULL rack sizes. Therefore,
the starting module groups are 0, 2, 4, and 6. Each module group supports
16 inputs and outputs which correspond to a 16-bit PLC I/O image table
word.
Understanding Rack and Block
Transfer Assignments
Starting Module Groups and
Fractional Racks
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