Discrete
I/O
Page
|
48
TCP
Control
Packet
Format:
The
control
packet
format
has
3
fields.
Each
field
is
separated
by
a
comma
(,)
and
the
message
is
terminated
with
a
semicolon
(;).
The
format
is:
―
I/O
Update,
ID:<ESN
or
IMEI>,
Output
1:<value>;
―
I/O
Update
–
the
ASCII
characters
I/O
Update
(space
between
O
and
U)
―
ID:<ESN
or
IMEI>
‐
the
ASCII
characters
ID:
followed
by
the
cell
module
ESN
or
IMEI.
For
example
–
ID:608AE977.
The
<ESN
or
IMEI>
is
not
required
if
ID
verification
is
disabled.
However,
a
minimum
of
“ID:,”
is
required
with
ID
verification
disabled.
―
Output
1:<value>
‐
the
ASCII
characters
Output
1:
(space
between
t
and
1)
followed
by
the
value
Ground,
or
Not_Ground
Full
Example:
I/O
Update,
ID:608AE977,
Output
1:Not_Ground;
This
is
acceptable
if
ID
verification
is
disabled:
I/O
Update,
ID:,
Output
1:Ground;
