
Section 5 Command Descriptions
5.14
message is sent, the internal status, as read by the
STATUS
1
command, is cleared. This event is tested after the
IDLE
event. If
IDLE
is
ARM
ed, the
CHANGE
event will only be reported when an
un-addressed to an addressed transition occurs.
ERROR
The event message '
ERROR
' is returned to the serial host when the
Micro488/EX detects an error condition. The error condition may be
an un-recognized command from the serial host, an invalid
parameter or a bus error. Refer to Appendix B for a listing of the
error conditions which can be detected and reported by the
Micro488/EX. This event is level sensitive. When the event message
is sent, the error status, as read by any of the
STATUS
commands,
must be read prior to
ARM
ing this event again.
Once a condition is
ARMed
it remains
ARMed
until it is
DISARMed
, the event
specified has occurred or until the Micro488/EX is reset.
The
ARM
and
ON
<
event
>
DOMACRO
commands are mutually exclusive. The
last command issued takes precedence.
SYNTAX ARM
[;]
[event[event…]]
or
AR
[;]
[event[event…]]
where
event…
may include…
Event Abbr Form
SRQ
SRQ
PERIPHERAL PE
CONTROLLER CO
TRIGGER TR
CLEAR CL
TALK T
LISTEN L
IDLE I
CHANGE CH
ERROR ER
If no event is specified,
ARM
SRQ
is assumed for upward
compatibility with other IOtech products.
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