6
CPM2B Features and Functions Section 1-1
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 RS-232C port 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 CPM2B. The PT must be connected to the RS-232C port; it
cannot be connected to the Peripheral port.
One-to-one PLC Link A CPM2B can be linked directly to another CPM2B, CQM1, CPM1, CPM1A,
CPM2A, CPM2C, SRM1(-V2), C200HS or C200HX/HG/HE PLC. The 1:1 PLC
Link allows automatic data link connections. The PLCs must be connected
through the RS-232C ports; they cannot be connected through the Peripheral
ports.
Bar code
reader
Serial
printer
Inputting data from a bar code reader
Outputting data to a serial printer
CPM2B
CPM2B
OMRON PT
CPM2B
CPM2B CPM2B
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