Omron SYSMAC C200HW-PCS01-EV1, Operation Manual

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147
Example The following diagrams indicate that DM 0000 is the first word used in CMCR for
a TCP OPEN REQUEST and it contains 1810
hex
, that DM 00001 contains
0012
hex
, that CIO 00000 is used to control TCP open processing, and that
CIO 0001 is used to control TCP close processing.
How to Read Tables
DM Area
CIO Area
$1810 $0012
0 1 2 3 4 5 6 7 8 9
DM 0000
CMCR control data for TCP OPEN REQUEST (PASSIVE)
7 6 5 4 3 2 1 0
CIO 000
15 to 8
TCP
close bit TCP
open bit
Memory Map for Sample Programs
$1810 $0012 $0004 $0001 $0110 $0000
0 1 2 3 4 5 6 7 8 9
DM 0000
CMCR control data for TCP OPEN REQUEST (PASSIVE)
DM Area
$0032
CMCR timeout value
PC Card Unit address (Match
environment of PC being used.)
Network address: $01
Node number: $01
Unit address: $10
Number of retries
Number of response bytes to receive: 4 bytes
Number of bytes to send: 18
Operating level #1 (or $0810 of operating level #0)
$1810 $0008 $0004 $0001 $0110 $0000
0 1 2 3 4 5 6 7 8 9
DM 0010
CMCR control data for TCP CLOSE REQUEST
Number of bytes to send: 8 bytes
Number of response bytes to receive: 4 bytes
$0032
Number of response bytes to receive: 4 bytes
$1810 $006E $0004 $0001 $0110 $0000
0 1 2 3 4 5 6 7 8 9
DM 0020
CMCR control data for TCP SEND REQUEST
Number of bytes to send: 110 bytes
Command format = 10 bytes + 100 bytes transmission data
$0032
Number of response bytes to receive: 4 bytes
$1810 $000C $0004 $0001 $0110 $0000
0 1 2 3 4 5 6 7 8 9
DM 0030
CMCR control data for TCP RECEIVE REQUEST
Number of bytes to send: 12 bytes
Number of bytes received specified in command data.
$0032
Sample Programs for TCP and UDP Communications
Section 10-3