THOMSON CIM 3.0, Руководство пользователя

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SECTION 3 CIM PROTOCOL
PM055 Rev 2 00/08/31 Thomson Technology
62
is recommended to program the MEC 20's locally using the actual key
pad and display. The key press write message is described below:
Field Description
byte
0
This field contains the key, as follows:
0 = Null (This value is used to get the characters displayed on the
LCD without pressing any of the keys)
1 = Lamp test
2 = Silence horn
3 = Reset controller
4 = Escape
5 = Decrement
6 = Increment
7 = Enter
8 = Manual
9 = Off
10 = Auto
11 = Test
12 = Emergency stop
13 = Escape from program menu
14-255 = Undefined
byte
1
This field contains the number of times the key is to be pressed.
The response message contains the current display contents.
16.2. MEC 20 Valid Data/Display
The Data/Display Valid byte is used to determine the following. If bit 0 is
set (1) then the Current Data in the registers is valid. If bit 1 is set (1) then
the Display Data is valid (i.e. the last Keypress command has executed
successfully).
16.3. MEC 20 Get Version
This message is used to get the version information from a MEC 20. The
request message does not have any data bytes. The response message
has the following data bytes:
Field Description
byte0 ***PAD***
byte1
This field contains the remote type, as follows:
0 = MEC 20
1 = TSC 800
2-255 = Undefined
byte2 This field contains the major MEC 20 message format version