Omron CJ1G/H-CPU series User Manual

112
Expanded System Configuration Section 2-5
System Configuration Example
Refer to page 118 for a table showing which communications protocols are
supported by each Unit.
2-5-2 Systems
The serial communications port mode (protocol) can be switched in the CPU
Unit’s PLC Setup. Depending on the protocol selected, the following systems
can be configured.
Protocols The following protocols support serial communications.
PT
OR
CompoWay/F master
Modbus master
Host Link master
CPU Unit
Serial Communications Unit
Peripheral
port
RS-232C port
Host Link slave
Communications settings
automatically detected
CX-Programmer
RS-232C port
General-purpose external devices
(such as Temperature Sensor
Units, Bar Code Readers)
Programming
Console
Host computer
NT Link
Protocol macro
Serial Communications Unit with unit Ver. 1.2 or later
CPU Unit Host Link slave
CompoWay/F-
or Modbus-
compatible
device
Protocol Main connection Use Applicable commands,
communications
instructions
Host Link (SYSMAC WAY)
slave
Personal computer
OMRON Programmable Ter-
minals
Communications between
the Host computer and the
PLC. Commands can be
sent to a computer from the
PLC.
Host Link commands/ FINS
commands. Commands can
be sent to a computer from
the PLC.
No-protocol (customer) com-
munications
General-purpose external
devices
No-protocol communica-
tions with general-purpose
devices.
TXD(236) instruction,
RXD(235) instruction,
TXDU(256) instruction,
RXDU(255) instruction
Protocol macro General-purpose external
devices
Sending and receiving mes-
sages (communications
frames) according to the
communications specifica-
tions of external devices.
(SYSMAC-PST is used to
create protocols by setting
various parameters.)
PMCR(260) instruction

Omron CJ1G/H-CPU series Specifications

General

Brand	Omron
Model	CJ1G/H-CPU series
Category	Controller
Language	English