Omron CP - PROGRAMMING MANUAL 05-2007 Programming Manual page 901

Network Instructions
Transmission to a PLC or
Computer through the
Network (CP1H Only)
Transmission to a Host
Computer Connected
through Host Link
Flags
868
If the Communications Port Enabled Flag is ON for the communications port
specified in C+3 when SEND(090) is executed, the corresponding Communi-
cations Port Enabled Flag (ports 00 to 07: A202.00 to A202.07) and Commu-
nications Port Error Flag (ports 00 to 07: A219.00 to A219.07) will be turned
OFF and 0000 will be written to the word that contains the completion code
(ports 00 to 07: A203 to A210). Data will be transmitted to the destination
node once the flags have be set.
SEND(090) can be used to transmit data from a CP1H PLC to the specified
data area in a PLC or computer connected by a Controller Link network or
Ethernet link.
Network
Data
When a Serial Communications Option Board mounted on a CP-series CPU
Unit or a CJ-series Serial Communications Unit is in Host Link mode and con-
nected one-to-one with a host computer, SEND(090) can be executed to
transmit data from the PLC to the host computer the next time that the PLC
has the right to transmit. It is also possible to transmit to other host computers
connected to other PLCs elsewhere in the network.
Host computer
Host Link
Data
Name Label
Error Flag ER
Serial port
Operation
ON if the serial port number specified in C+1 is not within
the range of 00 to 04.
ON if the Communications Port Enabled Flag is OFF for
the communications port number specified in C+3.
OFF in all other cases.
Section 3-24