21
Expanded System Configuration Section 1-3
Communications Ports and Serial Communications Modes (Protocols)
Note Programming Console functions are possible with a PT. They are, however,
not possible when pin 7 on the DIP switch on the front of the CPU Unit is OFF.
Serial
communications
protocol
Application CPU Unit CQM1H-SCB41 Serial
Communications Board
Peripheral port RS-232C port
(Not on
CQM1H-CPU11)
RS-232C port
(port 1)
RS-422A/485
port (port 2)
Programming
Console bus
Communications
with Programming
Consoles
YES No No No
Peripheral bus Communications
with Programming
Devices
YES No No No
Host Link
(SYSMAC WAY)
Communications
with a host
computer or PT
YES YES YES YES
Protocol macro Sending and
receiving
messages
according to the
communications
specifications of
external devices
No No YES YES
No-protocol No-protocol
communications
with
general-purpose
devices
YES YES YES YES
1:1 Data Link Data links with
other CPU Units
No YES YES YES
NT Link (1:1
mode)
One-to-one
communications
with PT
No YES (See note.) YES YES
NT Link (1:N
mode)
One-to-one or
one-to-many
communications
with PTs
No No YES YES
To Next Page
Loading...
Need help?
General
