Rockwell Automation 2706-P42_P43_P44_P72_P74_P92_P94 InView Marquee Message Display User Manual - Manual (Page 99)

Publication 2706-UM016D-EN-P - March 2006
InView Protocol 4-33
Add/Remove a Message using a Modbus ASCII 10 Frame Query
(Recommended)
This method uses both registers 40101 and 40102 in the display to add
and remove a message from the message queue respectively. By using
the Guaranteed mode, only the display that is addressed on the
network accepts and processes the information it receives. The
following is an example of adding message #0015 and removing
message #0045 from the message queue on display number 019.
Transmission:
Query for Add/Remove a Message
Response:
The normal response to a function 10 is to echo the address, function
code, starting address and the number of registers that were loaded.
Response for Add/Remove a Message
Add/Remove a Message using Modbus ASCII 10 Frame
Transmission
This method uses both registers 40101 and 40102 in the display to
activate and de-activate messages respectively. By using the Broadcast
mode, all displays on the network will accept and process the
Beginning
of Frame ADDR FUNC H.O.
ADDR
L.O.
ADDR
QUANTITY BYTE CNT DATA
: 13 10 00 64 0002 04 000F 002D
LRC
Error
EOF Ready
to rec.
resp
37 CR LF
Beginning
of Frame ADDR FUNC H.O.
ADDR
L.O.
ADDR
QUANTITY LRC
Error
EOF Ready to
rec. resp
: 13 10 00 64 0002 77 CR LF