Communication – IAI America PSEL User Manual
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Part 2 Programs
1.18 Communication
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
0
Specify 10 (= LF) as the end character.
Open channel 0.
Note: If “OPEN 0” is executed, communication with the teaching pendant
or PC software will be cut off.
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
0
Close channel 0.
LET
1
0
CLOS
*1
Assign 0 to variable 1.
Close the content of variable 1 (channel 0).