90
Communications Functions Section 1-9
Note These types of communications cannot be carried out with the CQM1-
CPU11-E, which is equipped with only a peripheral port.
This section explains the required PC Setup and methods for using these
types of communications.
CPM1/CPM1A
Communications
The CPM1/CPM1A can execute a variety of communications through its
peripheral port via an RS-232C Adapter or an RS-422 Adapter.
Host Link Communications
The CPM1/CPM1A PCs are compatible with the Host Link System, which
allows up to 32 PCs to be controlled from a host computer. An RS-232C
Adapter is used for 1-to-1 communications and an RS-422 Adapter and B500-
AL004 Link Adapter are used for 1-to-n communications.
A CPM1/CPM1A equipped with an RS-232C Adapter can also communicate
with a Programmable Terminal using host link commands.
Refer to 1-9-4 CPM1/CPM1A Host Link Communications in this manual and
1-2-2 Host Link Communications in the CPM1 Operation Manual or 1-2-2
Host Link Communications in the CPM1A Operation Manual for more details.
1-to-1 Link
A data link can be created with a data area in another CPM1, CPM1A, CQM1,
or C200HS PC. An RS-232C Adapter is used to make the 1-to-1 connection.
Refer to 1-9-8 CPM1/CPM1A One-to-one Link Communications in this man-
ual and 1-2-3 1-to-1 Communications Links in the CPM1 Operation Manual or
1-2-3 1-to-1 Communications Links in the CPM1A Operation Manual for more
details.
NT Link
Using the NT link, the CPM1/CPM1A PC can connected to the Programmable
Terminal (NT Link Interface) through an RS-232C Adapter.
Refer to 1-9-9 CPM1/CPM1A NT Link Communications in this manual and 1-
2-4 NT Link Communications in the CPM1 Operation Manual or NT Link Com-
munications in the CPM1A Operation Manual for more details.
SRM1 Communications The following types of communications can be executed through the ports of
the SRM1.
• Host link communications with a host computer
• RS-232C communications with a computer or other device
• One-to-one link communications with another SRM1
• NT Link communications with Programmable Terminals
Note NT Link communications are not possible with the SRM1-C01, which is
equipped with only a peripheral port. The SRM1-C01 may be connected to a
PT through an RS-232C Adapter in Host Link mode.
1-9-1 CQM1 PC Setup
The PC Setup parameters in DM 6645 through DM 6654 are used to set
parameters for the communications ports. The parameters for the RS-232C
port in DM 6645 through DM 6649 can be set from menu operations using the
SSS.
If pin 5 on the CQM1’s DIP switch is turned ON, the PC Setup communica-
tions parameters will be ignored and the following parameters will be used.
Mode: Host link
Node number: 00
Start bits: 1 bit
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