GK600 User Manual Appendix Communication Protocol
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Parameters
Remarks
(Parameter identification)
d0-22
d3-22
Communication not operable
(Parameter passing)
A0-05
Communication not operable
(User password)
A0-00
User password can not be set by
communication, but the user
password set by control panel
can be unlocked by writing the
same password from upper
computer/device communication.
Upper computer/device can view
and modify parameters.
Parameter 0x08: communication line diagnosis.
Request format is shown in appendix table 11.
Appendix Table 11
Application layer protocol
data unit
Data length (number of
bytes)
Range
Parameter
1
0x08
Sub-parameter
2
0x0000~0x0030
Data
2
0x0000~0xFFFF
Check
LRC or CRC
Response format is shown in appendix table 12.
Appendix Table 12
Application layer protocol
data unit
Data length (number of
bytes)
Range
Parameter
1
0x08
Sub-parameter
2
0x0000~0x0030
Data
2
0x0000~0xFFFF
Check
LRC or CRC
Sub-parameters supported by line diagnosis are as set forth in the table below.
