Rockwell Automation 2706-P42_P43_P44_P72_P74_P92_P94 InView Marquee Message Display User Manual User Manual
Page 103
Publication 2706-UM016D-EN-P - March 2006
InView Protocol 4-37
Transmission:
Transmission for Updating Variable Registers with 10 Frame Broadcast
Response: NONE
Update Variables using a Modbus ASCII 10 frame in Guaranteed
mode
This method allows the ability to update more than one variable in a
specific display address. A maximum of 60 registers can be updated in
one transmission. Unused high order bits must be set to zero. The
following is an example of updating variables 1, 2, and 3 with values
23, 734, and 7 respectively in display address 003.
Below is an example of a preset multiple register transmission.
Transmission:
Query for Updating Variable Registers using a 10 Frame
Beginning of
Frame
ADDR
FUNC
H.O.
ADDR
L.O.
ADDR
QUANTITY
BYTE CNT
DATA
:
FF
10
00
00
0003
06
0018 0035
0038
LRC
Error
EOF
Ready to rec. resp
63
CR
LF
Beginning
of Frame
ADDR
FUNC
H.O.
ADDR
L.O.
ADDR
QUANTITY
BYTE CNT
DATA
:
03
10
00
00
0003
06
0017 02DE
0007
LRC
Error
EOF
Ready
to rec.
resp
E6
CR
LF