BSWA 308 - Rated Parameters; Instruction

BSWA 308/309 BSWA Technology Co., Ltd
63
(1) Ensure that no same ID of sound level meter in each network.
(2) User cannot broadcast command which can return any data.
5.2.9 Rated Parameters
Name
Min.
Rated
Max.
Description
Response time of
sound level meter
—
—
2s
Time-out processing should be
operating when the value exceeds.
Time interval of
instruction sending to
sound level meter
—
100ms
—
—
Waiting time after
received <STX> for
sound level meter
—
Unlimited
—
Means that the sound level meter
will waiting for the remaining data
forever.
Time interval between
each byte for sound
level meter to receive
—
Unlimited
—
Means that the sending speed of
the computer could be very slow.
5.3 Instruction
The instruction has two types: set instructions and query instructions.
Set Instructions: Set the measurement parameters and system parameters of sound level
meter.
Query Instructions: Query the parameters and data of the sound level meter.
There are 3 kind of situation for sending instruction to sound level meter: set instruction (no
response), set instructions (with response), query instructions.
(1) Set Instruction (no response):
Computer
Set Instruction
—►
Sound Level
Meter
(2) Set instructions (with response):
Normal response:
Computer
Set Instruction
—►
Sound Level
Meter
◄—
Return ACK