Rockwell Automation 2706-M1 MESSAGEVIEW 421 HARDWARE MANUAL - Manual (Page 8)

Chapter
1
Publication 2706–816
Terminal Overview
This chapter covers the following topics:
•
MessageView 421 Terminal types
•
Intended uses
•
421D Terminal features
•
421N Terminal features
•
421F Terminal features
•
Communications overview
•
Applications
•
Accessories and replacement parts.
The table below lists the types of MessageView 421 terminals.
Differences in the terminals relate to the number of keys and
communication port(s). Differences in the firmware relate to the
communication protocols.
MessageView
Terminal
Catalog
Number
Number of Keys
Physical Port
Main Daughter
Firmware Version
(FRN)
Protocols
421D 2706-M1D1 4 Message Control Keys RS-232 Remote I/O 1.02-1.xx
File Transfer,
RIO
421N 2706-M1N1
4 Message Control Keys
12 Numeric Entry Keys
RS-232 Remote I/O 1.00-1.xx
File Transfer,
RIO
421F 2706-M1F1
4 Message Control Keys
12 Numeric Entry Keys
16 Function Keys
RS-232 Remote I/0 1.00-1.xx
File Transfer,
RIO
421D 2706-M1D1 4 Message Control Keys RS-232 Remote I/O 2.00-2.xx
File Transfer,
RIO, Slaving,
ASCII Input
421N 2706-M1N1
4 Message Control Keys
12 Numeric Entry Keys
RS-232 Remote I/O 2.00-2.xx
File Transfer,
RIO, Slaving,
ASCII Input
421F 2706-M1F1
4 Message Control Keys
12 Numeric Entry Keys
16 Function Keys
RS-232 Remote I/0 2.00-2.xx
File Transfer,
RIO, Slaving,
ASCII Input
421D 2706-M1D 4 Message Control Keys RS-232 1.00-1.xx
File Transfer,
Slave Device,
ASCII Triggering
421N 2706-M1N
4 Message Control Keys
12 Numeric Entry Keys
RS-232 1.00-1.xx
File Transfer,
ASCII Triggering
421F 2706-M1F
4 Message Control Keys
12 Numeric Entry Keys
16 Function Keys
RS-232 1.00-1.xx
File Transfer,
ASCII Triggering
MessageView 421 Terminal
Types