Omron SYSMAC CS1W-ETN21 Operation Manual page 105

CIO Area Allocations
Status of UDP/TCP Sockets 1 to 8 (Ethernet Unit to CPU Unit)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
n+1 to n+16
Bit Flag
00 Opening Flag
01 Receiving Flag
02 Sending Flag
03 Closing Flag
04 to 12 (Not used.)
13 Data Received Flag ON
14 Results Storage
Error Flag
15 TCP/UDP Open
Flag
Note
80
Data Received Flag
Results Storage Error Flag
TCP/UDP Open Flag
Status Manipulated
by
ON Unit ON during open processing. (Turns
ON when open request is received.)
OFF Unit OFF when open processing has
been completed.
ON Unit ON during receive processing.
(Turns ON when receive request is
received if high-speed option is dis-
abled and remains OFF when high-
speed processing is enabled.)
OFF Unit OFF when receive processing has
been completed.
ON Unit ON during send processing. (Turns
ON when receive request is received
if high-speed option is disabled and
remains OFF when high-speed pro-
cessing is enabled.)
OFF Unit OFF when send processing has
been completed.
ON Unit ON during close processing. (Turns
ON when close request is received.)
OFF Unit OFF when close processing has
been completed.
--- --- ---
Unit ON when data from a remote node
has been received at an open TCP
socket.
OFF Unit OFF when receive processing has
been requested for an open TCP
socket.
ON Unit ON if there is an error in storing the
results when socket services are
used by means of the CMND(490)
instruction.
OFF Unit Turns OFF when the next request is
received. (Connected by TCP.)
ON Unit ON when open processing has been
completed.
OFF Unit OFF when close processing has
been completed. (Stays OFF for
abnormal open processing comple-
tion.)
The status of these flags can also be checked using the software switch set-
tings on the CX-Programmer.
Opening Flag
Receiving Flag
Sending Flag
Closing Flag
Unit operation
Section 4-1
Reference
Operation Manual, Con-
struction of Applica-
tions, SECTION 6
---
Operation Manual, Con-
struction of Applica-
tions, SECTION 6