14
The CV-series PCs can be connected to a host computer with the host link con-
nector via the CPU or a CV500-LK201 Host Link Unit mounted to a Rack.
RS-232C or RS-422 communications can be used depending on the switch set-
ting. When RS-422 is selected, up to 32 PCs can be connected to a single host.
Data is transmitted and received by commands and responses.
Host link connector
Host
computer
BASIC Unit The BASIC Unit can be connected to a personal computer to enable commu-
nications with the PC using the BASIC programming language. Up to 512 bytes
(256 words) of data can be transferred between the BASIC Unit and the CPU by
the PC READ/WRITE command without using the PC program.
Up to 256 words of data can also be transferred between the BASIC Unit and the
PC’s CPU by using the NETWORK SEND and NETWORK RECEIVE
(SEND(192)/RECV(193)) instructions in the PC program.
Host Link System
(SYSMAC WAY)
Networks and Remote I/O Systems Section 1-10
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