Query Command
Transmissions
Header
Message
1
Message
2
Repeats the byte
count and the message
and response commu-
nications in response
to the contents of the
message.
Checksum
Terminator
Header
Message
1
Message
2
Repeats the byte
count and the message
and response commu-
nications in response
to the contents of the
message.
Checksum
Terminator
Response Command
(ACK)
Query Command
Response
Communications Protocol
[2] Communications Flow
Note:
Start the transmission of the next data after
3 During Query Command (ACK)
confirming the response command.
The maximum transmission interval of the
various byte data is 500 [msec]. If this is
exceeded, a communication error is detected
in the camera unit, the receiving data is
deleted, and data from the header is waiting
to be received again. Furthermore, there are
no special regulations regarding the minimum
value.
All the commands can be acquired after the
periods below after start-up.
HB310: 6 seconds
Transmission
Source
Transmission
Destination (Unit)
1 During Settings Command
Transmission
Source
Transmission
Destination (Unit)
Settings Command
Transmissions
Header
Message
1
Message
2
Repeats the byte
count and the message
and response commu-
nications in response
to the contents of the
message.
Checksum
Terminator
Response Command
2 During Query Command (Other than ACK)
Transmission
Source
Transmission
Destination (Unit)
Query Command
Transmissions
Header
Message
1
Message
2
Repeats the byte
count and the message
and response commu-
nications in response
to the contents of the
message.
Checksum
Terminator
Response Command
(NACK/ERR)
−
8
−
Summary of Contents for GP-MH310 series
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