2.6 Communications with a Mitsubishi PLC (A-compatible 1E Frame protocol)
Message Functions
2-133
Status 1 (PARAM04)
This parameter gives status information.
Status 2 (PARAM05)
This parameter gives information on the most recent error.
84
hex 4
Circuit number setting
error
The circuit number is out of range. Check the circuit num-
ber (Cir-No) in the MSG-RCVE function.
85
hex 5
Channel number set-
ting error
The channel number for the communications buffer is out
of range. Check the communications buffer channel num-
ber (Ch-No) in the MSG-RCVE function.
86
hex 6
Connection number
error
The connection number is out of range. Check PARAM10
(Connection Number).
88
hex 8
Communications
device error
An error response was received from the communications
device. Check the connections to the device. Also check to
see if the remote device is ready to communicate.
89
hex 9 Device select error
A device that cannot be used was selected. Check the com-
munications device type (Dev-Typ) in the MSG-RCVE
function.
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
Continued from previous page.
Processing
Result Value
(PARAM00)
Detail
Error
Code
Error Description Description
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