421d terminal features – Rockwell Automation 2706-M1 MESSAGEVIEW 421 HARDWARE MANUAL User Manual
Page 10
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1–3
Terminal Overview
Publication 2706–816
The following illustrations show the major features of the
MessageView 421D terminals (Catalog Nos. 2706-M1D1 and
-M1D).
Front View
➀
➁
➂
➃
Item
Description
1
Vacuum Florescent Display (VFD) can display graphics and text:
4 lines of 21 quarter size characters
2 lines of 10 half size characters or 2 lines of 5 graphic symbols
1 line of 7 full size characters.
2
Up and Down cursor keys:
Scroll through and highlight options on the Front Panel Editor menu
Scroll through the Historical Event Stack.
3
ACK key acknowledges messages which require an operator response.
4
Enter key selects an option from the Front Panel Editor menu.
421D Terminal Features
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