Rockwell Automation 2706-M1 MESSAGEVIEW 421 HARDWARE MANUAL - Manual (Page 21)

2–3 Initial Setup
Publication 2706–816
When power is first applied to the MessageView terminal or the
terminal is reset, the terminal performs its Power-On Self Tests
(POST). The initial display illuminates all of the display pixels in a
random and varied brightness pattern.
Next the terminal displays copyright information and the status of
the tests. As each test is performed its test number is displayed. See
Page B–4 for descriptions of the tests.
Self-test
Number
Copyright, 1995
Allen-Bradley Company
V01.01,V01,00
#22
Firmware
Version Number
Boot Code
Version Number
If a test fails, its test number is displayed. See Page B–4 for
corrective action. Also take note of the boot code and firmware
version numbers in case you have to call Allen-Bradley for technical
support.
When the self-tests have completed and passed, the “Self-Tests
Complete” message appears.
The MessageView terminal is shipped with a blank application in
memory.
•
A 421F or 421N terminal, or a 421D terminal with a
daughterboard, displays this message:
Allen-Bradley Company
MessageView 421D
Scrolls repeatedly
across display
No Application Loaded
•
A 421D terminal without a daughterboard (Catalog No.
2706-M1D) may be controlled by an ASCII Trigger device or it
may be configured as a slave device. This type of terminal
displays the following message:
Allen-Bradley Company
MessageView 421D
Scrolls repeatedly
across display
Terminal is Programmed as an ASCII Trigger Device To Configure as a Slave Device Consult User Manual
See Page 3–8 to configure the terminal as a 421D Slave Device.
Power-up Sequence