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(2) The host sends the Modbus command to transmit the voice alarm from the
SMS-531.
Command and Description:
Sending the voice alarm
Command
(16 Hex)
1. As the SMS-531 receives the command, it would sent the voice alarm.
If the "SMS Alarm" is set as enable, the SMS would be sent.
Description
2. The voice file is DO0_ON.WAV.
3. The voice is sent to the phones in the group0.
The phones in Group0 would receive the voice call from the SMS-531. As
Result
take the call, you would heart the alarm voice in DO0_ON.WAV.
Format Description:
Sending the voice alarm
Byte 0
Byte 1
Byte 2 ~ 3 Alarm Channel
Command
Byte 4 ~ 5
Byte 6 ~ 7 CRC-16 check code
Byte 0
Byte 1
Correct
Byte 2 ~ 3 Alarm Channel
Response
Byte 4 ~ 5 =0xFF00 or =0x0000
Byte 6 ~ 7 CRC-16 check code
Byte 0
Byte 1
Error
Response
Byte 2
Byte 3 ~ 4 CRC-16 check code
Command 01 05 00 00 FF 00 8C 3A
Response 01 05 00 00 FF 00 8C 3A
The Modbus Address of the SMS-531
Function Code = 0x05
=0xFF00, To play DOx_ON.WAV file. The x is the
number of Alarm channel.
=0x0000, To play DOx_OFF.WAV file. The x is the
number of Alarm channel.
The Modbus Address of the SMS-531
Function Code = 0x05
The Modbus Address of the SMS-531
= 0x85
Error Code
06: Transmitting Buffer overflow
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SMS-531 User's Manual v1.1
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