5
CPM2C Features and Functions Section 1-1
modularization, allowing greater standardization of design, improved suitabil-
ity to special needs, and easier replacement of malfunctioning Units.
Simple Communications
Unit
A Simple Communications Unit can be added to achieve data transfers with
general-purpose communications components without preparing communica-
tions programs in the PC. Up to 32 communications components can be con-
nected, including a combination of communications components supporting
the CompoWay/F protocol along with temperature controllers and Digital
Panel Meters supporting the SYSWAY protocol.
Complete Communications Capabilities
Host Link A Host Link connection can be made through the PC’s communications port
used as a RS-232C or peripheral port. A personal computer or Programmable
Terminal connected in Host Link mode can be used for operations such as
reading/writing data in the PC’s I/O memory or reading/changing the PC’s
operating mode.
No-protocol
Communications
The TXD(48) and RXD(47) instructions can be used in no-protocol mode to
exchange data with standard serial devices. For example, data can be
received from a bar code reader or transmitted to a serial printer. The serial
devices can be connected to the communications port as a RS-232C or
peripheral port.
High-speed 1:1 NT Link
Communications
In a 1:1 NT Link, an OMRON Programmable Terminal (PT) can be connected
directly to the CPM2C. The PT must be connected to the communications
port as an RS-232C port (not as a peripheral port).
1:1 Host Link Communications
CPM2C
1:N Host Link Communications
B500-AL004
Link Adapter
CPM2C
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