ID-AL ChronoPlayer - User Guide V1.0
•
Mode 2: “Monitoring”
In this mode, the player sends information onto the Tx output depending on the actions executed.
This mode does not allow to chain up the players. The player allows a PLC, a computer, a security
system, to know the status of the player and to make operating tests. In this mode, the player sends
its status on each change.
The transmission protocol is made from a 3-byte frame, similar to the reception protocol.
◦
Byte 1 (Status)
b7 = 1: designates the status byte.
b6 - b0: identifier of the sender player from 001 to 120 (0000001b - 11111111b).
The address (ID) of the player is 001 by default, i.e.
81h
. Modifiable in the
config.txt
file (see
the chapter Configuration File).
◦
Byte 2 (Command)
Unique value: 00h – 00000000b.
◦
Byte 3 (Data)
Table 22: Possible values of the data byte
Value (hexadecimal)
Value (binary)
Description
00
00000000
Player ready. The player reports that it is ready and
available on startup.
01
00000001
Not used.
02
00000010
Not used.
03
00000011
Indicates the playback start. This code is sent when
the player starts the playback.
04
00000100
Indicates end of playback. The player reports that it
has finished the playback of the current file.
The other values are not used.
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© 2016, Waves System
Example of a process to check the good working of the player when playing an audio file:
Preparation: The player's number is 001.
Create a folder “001” in which is copied an audio file
My file.mp3
.
Launch folder 001 playback (by activating the dry contact 1, or with the sending of an RS-232
command).
•
When the playback starts, the player sends a frame indicating the beginning of the
playback:
81h 00h 03h
.
•
At the end of the playback, is the player sends a frame indicating the end of the
playback:
81h 00h 04h
.
