YASKAWA MP3000 Series - Page 183

2.7 Communications with a Mitsubishi PLC (QnA-compatible 3E Frame Protocol)
Message Functions
2-165
Ethernet Communications
 Status 1 (PARAM04)
This parameter gives status information.
Note: The status is updated when the function is executed in each scan.
 Status 2 (PARAM05)
This parameter gives information on the most recent error.
Note: The status is updated when the function is executed in each scan.
 Status 3 (PARAM06)
This parameter gives the value of the send pass counter.
Note: The status is updated when the function is executed in each scan.
 Status 4 (PARAM07)
This parameter gives the value of the receive pass counter.
Note: The status is updated when the function is executed in each scan.
Status 1 Value Meaning Description
1 IDLE The connection is idle.
2 WAIT The connection is waiting to be made.
3 CONNECT The connection is established.
−−−
Status 2 Value Meaning Description
0 No error Normal
1 Socket Creation Error A socket could not be created.
2 Local Port Number Error Setting error in local station port number
3 Changing Socket Attribute Error
A system error occurred while setting the socket attri-
bute.
4 Connection Error
M-SND: The remote station rejected an attempt to
open a TCP connection.
5 Connection Error
M-RCV: An error occurred while passively opening a
TCP connection.
6 System Error A socket polling error occurred while receiving data.
7 TCP Data Send Error The remote station does not exist.
8 UDP Data Send Error
The data send request command was sent to a socket
that does not exist.
9 TCP Data Receive Error
A disconnection request was received from the remote
station.
10 UDP Data Receive Error
A data receive request was executed for a socket that
does not exist.
11 Changing Socket Option Error
A system error occurred while changing the socket
options.
12 Data Conversion Error Error in protocol conversion
Status 3 Value Meaning Description
0 to 65535 Send Count Counts the number of times a message was sent.
Status 4 Value Meaning Description
0 to 65535 Receive Count Counts the number of times a message was received.