Delta AH500 Manual page 745

The function
Busy block is being
executed.
The execution
of the function
Aborted block is
interrupted by
a command.
An error occurs
Error in the function
block.
Name Function
ErrorID Error code
States of
station address
Nodes_0
0~station
address 15
States of
Nodes_1
station address
Ch a pt er 1 5 C AN o pe n Communication M o du l e AH 1 0CO P M

There is a
transition in the
Busy output pin's
signal from low to
BOOL high when there is
a transition in the
Execute input
pin's signal from
low to high.

The execution of
the function block
BOOL
is interrupted by a
command.

A parameter is
BOOL
incorrect.
Output pin
Data
Output range
type

0B: A parameter is
incorrect.
0C: The module
WORD does not support
the function.

AH500 series
CPU module error
Every bit indicates the
state of a station.
WORD
0: Normal
1: Abnormal
Every bit indicates the
WORD
state of a station.

There is a transition in the
Busy output pin's signal
from high to low when
there is a transition in the
Done output pin's signal
from low to high.

There is a transition in the
Busy output pin's signal
from high to low when
there is a transition in the
Error output pin's signal
from low to high.

There is a transition in the
Busy output pin's signal
from high to low when
there is a transition in the
Aborted output pin's signal
from low to high.

There is a transition in the
Aborted output pin's signal
from high to low when
there is a transition in the
Execute input pin's signal
from high to low.

If the Execute input pin is
set to False when the
execution of the function
block is interrupted, the
Aborted output pin will be
set to False in the next
cycle.

There is a transition in the
Error output pin's signal
from high to low when
there is a transition in the
Execute input pin's signal
from high to low.
Update

When there is a
transition in the Error
output pin's signal
from low to high, or a
transition in the Done
output pin's signal
from low to high, the
value of the ErrorID
output pin is updated.

When there is a
transition in the Done
output pin's signal
from low to high, the
value of the Nodes_0
output pin is updated.

When there is a
transition in the Done
15-33