Functions of Units and Restrictions on Combination
1.1 Features and Functions of Units
1.1.1 Functions of Units
One
communication
cassette can be
attached.
COM.0 port is
equipped as standard.
(For 3-wire RS-232C)
Removable serial communication cassettes are used.
Selectable from five communication cassettes in conformity with communication standards
of RS-232C, RS-422 and RS-485. (Sold separately)
One communication cassette can be attached to the CPU unit, and two communication
cassettes to the serial communication unit.
The CPU unit includes a COM.0 port as standard equipment.
The CPU unit includes a RS-232C port (3-wire type) for the connection with a programmable
display and a power supply as standard equipment.
Four communication modes are available.
The PC link, MEWTOCOL, MODBUS RTU and general-purpose communication modes are
provided, and many serial communication devices can be connected by the combination of
communication cassettes.
1-2
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CPU Unit
Serial Communication Unit
Two
communication
cassettes can be
attached.