Roland FC-100mkII - Rejection (RJC); Example of Message Transactions

:# Rejection: RJC (4FH)
This message Is sent out when there is a need to terminate
communication by overriding the cutTent message. An RJC
message will be triggered when:
• a WSD or RQD message has specified an illegal data address
" ....
• the device Is not reedy for communication.
• an illegal number of addresses or data has been detected.
·
data transfer has been lenninated bY an operator.
• a communications error has occurred.
An ERR message may be sent out by a device on either side
of the interface. Communication must be terminated
immediately
when either side triggers an ERR message.
81'te
DescriPtion
FOH
Exclusive status
41H
Manufacturer 10 (Roland)
DEV
DeYice ID
MDL
Model JD
AFH
Command ID
F7H
End of exclusive
:# Example of Message Transactions
.Data ~ral'lster from device (A) to device (6).
! Device (A) I
I Dayice
(9) I
[Want
'0
send data]
•
•
(Acknowledge]
[Data
set]
•
...
[Acknowledge)
[Data set)
•
.. [Acknowledge)
[End of dete)
•
..
[Acknowledge]
• DaYice CA) reQuests
and receiyea diHa from deYice (6) .
I Device CA) I
I DaYice (5) I
[Reouest date]
•
..
(Data set]
[AclCl1owledge)
•
..
(Data set)
[Acknowledge]
•
•
[End of data]
(Ack.nOwledge] ..
24
• Error occurs While device (A) Is receiving data from
device (9).
1) Date trensfer from device (A) to device CB).
I Device CA) I
(Acknowledge)
(Error) x
I Device (B) I
.... .. 1---...:..---- [Date eet]
•
.... .. 1-------- [Data set}
[Communiceticn error] ------ ..... -
[Acknowledge]
.... ~;._------- [Data set]
(the same date
-------- •• - as aboye)
2) DeYica (9) rajects the data ra - trensmitied. end
quits date transfer.
t Device CA) I
t Dl.Iyice (6) I
..
[Data
set}
[Acknowledge)
•
(Error) x ...... 1- ______ _
(Data
set]
•
[Communication error)------ ..... -
(Quit) ...... ;._-------
[Rejection)
3) Device CA) immediately quits data transfer.
I Device (A) I
! Oeyice
(9) I
..
[Data
setJ
[Acknowledge]
•
(Error) x
..
[Date set]
[Rejection]
•
(Quit)