4MELFA-BASIC V
Detailed explanation of Robot Status Variable 4-351
[Explanation]
(1) This is a read only variable.
(2) The return value differ corresponding to the file type specified by Open command as follows.
[Related instructions]
Open (Open)
[Related parameter]
COMDEV, CPRE**, NETMODE
Kind of files Meaning Value
File Returns the status indicating whether or not a file is
opened.
Returns 1 until the Close instruction, the End instruction
or End in a program is executed after executing the Open
instruction.
1: Already opened
-1: Undefined file number (not opened)
Communication line
RS232C
(excluding CR750/
CR751 controller)
Indicates the status of the counterpart of the
RS232C cable communication.
The CTS signal input status is returned as is.
The power off status and cable disconnection status of
the counterpart can be determined.
(Mitsubishi genuine cable specification: Can be used only
when the RTS signal of the counterpart is enabled using
model name RS-MAXY-CBL/RS-AT-RCBL.)
1: Already connected (CTS signal is ON).
0: Not connected (CTS signal is OFF).
-1: The file number is undefined (not
opened).
Communication line
Ethernet
Indicates whether or not
connection is made with the
counterpart.
For server setting 1: Client is already connected.
0: Client is not connected.
-1: The file number is undefined (not
opened).
For client setting 1: Already connected to the server. (Con-
nection has been made.)
0: Not connected to the server. (Connection
has not been made. Equivalent to when
the server is down after being opened.)
-1: The file number is undefined. (When the
file has not been opened, or has been
opened while the server is down.)
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