Rockwell Automation 2706-M1 MESSAGEVIEW 421 HARDWARE MANUAL - Manual (Page 95)

6–2 Remote I/O and RS-232 Connections
Publication 2706–816
MessageView terminals with Catalog No. 2706-M1D, -M1N, -M1F
have an RS-232 port. MessageView terminals with Catalog No.
2706-M1D1, -M1N1 and-M1F1 have both a Remote I/O and an
RS-232 port.
RS-232 Port
9 Pin Male D-Shell Connector
Remote I/O Port
3 Pin Terminal Block Connector
Remote I/O Port
A MessageView terminal uses its Remote I/O port:
•
to communicate with a Remote I/O network which contains a
logic controller.
RS-232 Port
A MessageView terminal uses its RS-232 port:
•
to transfer applications and other information between the
MessageView terminal and a personal computer
•
to communicate with an ASCII Input device (terminals which
support ASCII Input)
•
to communicate with one or more slave devices (terminals which
support the slaving feature)
•
to communicate with an ASCII Triggering device (Catalog Nos.
2706-M1D, -M1N and -M1F)
•
to connect a 421D slave device (Catalog No. 2706-M1D) to a
master device.
Communication Ports