Rockwell Automation 2727-M7P20D1P1, -M7P20D1Q2,-M7P20D1Q3 MobileView Machine Terminal MT750 - Manual (Page 84)

Publication 2727-UM003D-EN-P
6-2 Windows CE Applications
Generating Programs for
Windows CE You can easily generate programs for Windows CE. Programming is
similar to an application for a standard MS Windows NT PC. Under
Windows CE, only the number of available WIN32-Apes is limited.
Two software development kits are included on the product CD;
Virtual Channel SDK and CE 4.X SDK. Reference the CD for the CE
4.X SDK User Manual.
Virtual Channel The protocol “Virtual Channel” (VC) is used to transmit control and
operating element data between a controller (control application
running on a server) and one or more MobileView terminals.
The following data can be transmitted via the VC:
* Available on MobileView Guard G750 Terminals only
Data Direction
Server <--> MT
Value Range Size
(Bytes)
Transmission
Potentiometer <-- 0 to 127 1 Event in case of modification and
upon request of the control
Electrical handwheel <--> -32768 to +32768 2 Event in case of modification, upon
request of the control, and as set
command for adjusting
Enable Switch* <-- 0/1 1 Event in case of modification
Keys/buttons below
display
Push button LEDS
<--> On
Flashing
Off
2 As command from the control and as
request from the client to the control.
Contrast, Brightness <--> 0 to 255 2 As command from the control and as
request from the client to the control.
Time for Screen Saver <--> 0 to 255 1 As command from the control and as
a request from the client to the
control.
State of Screen Saver <--> 0 to 1 1 Event or as request from the client to
the control.
Volume <--> 0 to 255 1 As command from the control and as
request from the client to the control.
Background Lighting <--> 0 to 1 1 As command from the control and as
request from the client to the control.
Write To Flash --> - - Command
Pleasant --> 0 to 255 1 Command
Keep Alive <-- 0 to 65535 - Command