B&B Electronics VFG3000 - Manual - Manual (Page 300)

I S W RITE Q UEUE E MPTY ( DEV ) V LINX F IELDBUS G ATEWAY M ANAGER U SER M ANUAL
P AGE 284
I
S
W
RITE
Q
UEUE
E
MPTY
(
DEV
)
A RGUMENT T YPE D ESCRIPTION
dev int The device number to get the queue state from
D ESCRIPTION
Returns the state of the writes queue for the device identified with the argument dev. The
function will return true if the queue is empty, false otherwise.
Note: The device number can be identified in Fieldbus Gateway Manager’s status bar when a
device is selected in Communication.
F
UNCTION
T
YPE
This function is passive.
R ETURN T YPE
int.
E XAMPLE
QueueEmpty = IsWriteQueueEmpty(1)
In this example, the function returns the write queue stat for device1.