Part 4 Commands
1.17 Communication
OPEN (Open channel)
Extension condition
(LD, A, O, AB, OB)
Input condition
(I/O, flag)
Output
(Output, flag)
Operand 1 Operand 2
Optional Optional OPEN
Channel
number
Prohibited CP
Open the channel specified in operand 1.
The specified channel will be enabled to send/receive hereafter.
Prior to executing this command, a SCHA command must be used to set an end character.
Specify 10 (= LF) as the end character.
Open channel 1.
Note: If “OPEN 1” is executed, the teaching connector (D-sub, 25-pin) will
be disconnected. (This is because channel 1 is shared by the
teaching pendant/PC software.)
CLOS (Close channel)
Extension condition
(LD, A, O, AB, OB)
Input condition
(I/O, flag)
Output
(Output, flag)
Operand 1 Operand 2
Optional Optional CLOS
Channel
number
Prohibited CP
Close the channel specified in operand 1.
The specified channel will be disabled to send/receive hereafter.
Close the content of variable 1 (channel 2).
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