Rockwell Automation 2706-M1 MESSAGEVIEW 421 HARDWARE MANUAL - Manual (Page 14)

1–7 Terminal Overview
Publication 2706–816
The following illustrations show the major features of the
MessageView 421F terminals (Catalog No. 2706-M1F1 and -M1F).
Front View
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➂
➃
➄
➅
➆
➇
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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 Numeric keys allow an operator to enter numeric values.
3 + /- key for entering either positive or negative values.
4 Decimal point key for entering decimal values.
5 Up and Down cursor keys:
Enter / edit numeric values
Scroll through and highlight options on the Front Panel Editor menu
Scroll through the Historical Event Stack
Select data entry fields within a message.
6 ACK key acknowledges messages which require an operator response.
7 Enter key selects an option from the Front Panel Editor menu or sends data to a
PLC/SLC.
8 Function keys may be assigned a variety of control functions and can operate in
a momentary, maintained or latched mode.
9 LED indicators indicate the pressing of a function key or can be linked to any
other process function.
421F Terminal Features