Mitsubishi Electric melsec q00ujcpu User Manual page 538

Number Name Meaning
Open completion Stores open
SD1282
signal completion status
Open request Stores open
SD1284
signal request status
Reception status Stores reception
SD1286
signal status
Built-in Ethernet Stores connection
SD1288 port connection status of built-in
status Ethernet port
*2: The built-in Ethernet port QCPU whose serial number (first five digits) is "11012" or later is targeted.
CHAPTER12 PECIAL RELAY LIST AND SPECIAL REGISTER LIST
Table12.30 Special register
Explanation
Open completion status of connections (whose open system is socket
communication) using socket communication functions is stored.
All bits corresponding to connections using any communications other than
the socket communication are fixed to "0".
b15b14
to
SD1282
0 : Open processing is not completed.
1 : Open processing is completed.
Open request status of connections using socket communication functions is
stored.
All bits corresponding to connections using any communications other than
the socket communication are fixed to "0".
b15b14
to
SD1284
0 : No open requests
1 : In open request
Reception status of connections using socket communication functions is
stored.
All bits corresponding to connections using any communications other than
the socket communication are fixed to "0".
b15b14
to
SD1286
For TCP (Normal reception mode)
0 : Data have not been received.
1 : Data have been received.
For TCP (Fixed length reception mode)
0 : Data have not been received
,or received data size has not been reached to valid buffer size.
1 : Received data size has been reached to valid buffer size.
For UDP
0 : Data have not been received.
1 : Data have been received.
Connection status of built-in Ethernet port is stored.
to to
b15 b11 b10 b9
SD1288
1/0
Connection status
0 : Not connected with or disconnected from hubs or devices.
1 : Connected to hubs or devices
It may take several seconds for the QCPU to determine whether to connect or
disconnect a built-in Ethernet port.
Set by
(When Set)
b1 b0
S (Status
Connection 1 change)
Connection 2
to
Connection 15
Connection 16
b1 b0
S (Status
Connection 1 change)
Connection 2
to
Connection 15
Connection 16
b1 b0
Connection 1
Connection 2
to
Connection 15
S (Status
Connection 16
change)
b0
S (Status
change)
Corres-
ponding
Corresponding
ACPU
CPU
D9
*2
New
QnU
*2
New
QnU
*2
New
QnU
New *2
QnU
12 - 72
1
2
3
12
6
7
8