IAI America ASEL - Manual (Page 222)

Part 2 Programs
Chapter 3 Explanation of Commands
200
Part 2 Programs
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 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.
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 0
Close channel 0.
LET 1 0
CLOS *1
Assign 0 to variable 1.
Close the content of variable 1 (channel 0).