36
Serial/Ethernet/USB Communication (SCOM) Interface
IND100084-18
"BAK" - Broadcast Acknowledgement
This command is used to set turn on/off broadcast acknowledgement of the received message on RS485/422 port.
The purpose of adding this command is to simplify the message processing on computer side.
Setting will be changed after sending an answer.
Byte #
0
1
2
3
4
5
6
7
8
0x07
0xFF
0x42 0x41 0x4B 0x01
IHCHK ONOFF IDCHK
ONOFF:
Enable/Disable ACK on Broadcast messages.
Range: Valid levels in table:
0x00
Broadcast ACK OFF
0xFF
Broadcast ACK ON
After unit reset the value is set to: last stored value.
After microcontroller reset the value is set to: last stored value. (All bytes = 0xFF if the type number is not yet pro-
grammed). By factory defaults BAK is set to ON. (Always reply to commands).
Write Example:
Enable Broadcast ACK:
0x07
0xFF
0x42
0x41
0x4B
0x01
0x2A
0xFF
0x00
ACK reply from unit:
0x06
0xFF
0x42
0x41
0x4B
0x01
0x2B
0xFF
0x00
Read Example:
Get Broadcast ACK status:
0x07
0xFF
0x42
0x41
0x4B
0x00
0x2B
ACK reply from unit ACK is off):
0x06
0xFF
0x42
0x41
0x4B
0x01
0x2B
0x00
0xFF
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