4 - running applications, Application information, Running applications – Rockwell Automation 2706-M1 MESSAGEVIEW 421 HARDWARE MANUAL User Manual
Page 61: Chapter

Chapter
4
Publication 2706–816
Running Applications
This chapter covers the following topics:
•
Application information
•
Messages with ASCII Display variables
•
Messages with Numeric Display variables
•
Messages with Time or Date displays
•
Messages with ASCII Entry variables
•
Messages with Numeric Entry variables
•
Data scaling
•
Historical Event Stack
•
Function keys
•
LED indicators
•
Slave Ports
•
Slave Devices
•
ASCII Input devices
•
ASCII Triggering devices.
It is the responsibility of the application designer to document the
operation of an application program. Before running an application,
read the documentation so you can understand what processes are
being controlled and monitored.
An application allows the controller to perform the following
operations on the terminal while an application is running:
•
trigger messages
•
set or receive the time and date in the RTC
•
clear the display
•
clear the message queue and any slave buffers
•
change the display brightness level
•
test the display and the battery
•
reset the MessageView terminal.
Application Information