IAI America XSEL-KE - Manual (Page 209)

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Part 4 Commands
1.18 Communication
z OPEN (Open channel)
Command, declaration
Extension condition
(LD, A, O, AB, OB)
Input condition
(I/O, flag)
Command,
declaration
Operand 1 Operand 2
Output
(Output, flag)
Optional Optional OPEN
Channel
number
Prohibited CP
[Function] 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.
[Example] SCHA 10
OPEN 1
Specify 10 (= LF) as the end character.
Open channel 1.
1RWH ,I³23(1´LVH[HFXWHGWKHteaching-pendant connector (D-sub,
25-pin) will be disconnected. (This is because channel 1 is shared
by the teaching pendant/PC software.)
z CLOS (Close channel)
Command, declaration
Extension condition
(LD, A, O, AB, OB)
Input condition
(I/O, flag)
Command,
declaration
Operand 1 Operand 2
Output
(Output, flag)
Optional Optional CLOS
Channel
number
Prohibited CP
[Function] Close the channel specified in operand 1.
The specified channel will be disabled to send/receive hereafter.
[Example] CLOS 1
Close channel 1.
LET 1 2
CLOS *1
Assign 2 to variable 1.
Close the content of variable 1 (channel 2).