MG :Performance of Monitor
[Command]
[Response]
・ Monitor OK
・ Registration error
Error code
Basic
counter
(1 character)
Number of
characters
for contact
(2 characters)
Contact
data 1
(2 characters)
GM
$
Transmis-
sion source
(L)
Transmis-
sion source
(H)
%
cr
BCC
(L)
BCC
(H)
!
Transmis-
sion source
(L)
Transmis-
sion source
(H)
%
cr
BCC
(L)
BCC
(H)
data n
(4 characters)
(low bit) (high bit)
Hexadecimal
(low bit) (high bit)
Hexadecimal
Contact
data n
(2 characters)
Number of
characters
for contact
(2 characters)
data 1
(4 characters)
Hexadecimal
Hexadecimal
Hexadecimal
Hexadecimal
(number of data×4)
cr
BCC
(L)
BCC
(H)
GM
#
Transmis-
sion
destination
(L)
Transmis-
sion
destination
(H)
%
Read contacts and state of data area registered for MC and MD commands.
・ Contact data is 2 characters and data of 8 contacts will be returned to.
・ In respect of data, one out of every four data will be returned to.
・ Number of characters transforms parity data to details of ASCII.
・ If number of PLC scanning from last to next response reaches 10 or more in basic
counter, "A" will be returned to.
169