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ACX048 API manual
Chapter 7: Specifications
Table 7-2. Sequence of a data communication.
DKM FX Matrix
Control CPU
—
Sending a command
Acquiring a command, processing
a command, blocking of further commands
—
a) Errors occurred: <NAK>
b) No errors <ACK>
c) Optional: <ECHO>
d) Optional: Reply telegram with data
—
—
a) Repeat telegram
b) Next command
c) Receive and process the reply telegram
NOTE: The serial interface can be blocked while the OSD is open.
7.1 System Requests
Get System Time
Request
: Telegram
ESC (S
General description: Get system time
Table 7-3. Get system time.
Type
Bytes
Description
Hex Coding
ESC
1
Control character
0x1B
(
1
Server identification
0x28
S
1
Command
0x53
Example: Get system time
0x1B 0x28 0x53
Response
: Telegram
ESC ) S Size Seconds Minutes Hours Day Date Month Year
General description: Return system time