Appendix Communication Protocol GK600 User Manual
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Sub-PARA
Data (request)
Data (response)
Meaning of
subfunction
0x0000
Parameter group number
and in-group index
respectively possess high
and low bytes
Upper limit of parameter
Read the upper limit of
parameter
0x0001
Parameter group number
and in-group index
respectively possess high
and low bytes
Lower limit of parameter
Read the lower limit of
parameter
0x0002
Parameter group number
and in-group index
respectively possess high
and low bytes
See specification below for
details of parameter
characteristics
Read the
characteristics of
parameter
0x0003
Parameter group number
possesses high byte, while
the lower byte is 0.
Maximum value of in-group
index
Read the maximum
value of in-group
index
0x0004
Parameter group number
possesses high byte, while
the lower byte is 0.
The next parameter group
number possesses high
byte, while the lower byte is
0.
Read the next
parameter group
number
0x0005
Parameter group number
possesses high byte, while
the lower byte is 0.
The previous parameter
group number possesses
high byte, while the lower
byte is 0.
Read the previous
parameter group
number
Status parameter group should not be modified and does not support the reading of upper and
lower limits. Parameter characteristic is 2-byte long, and the bit definition is shown in the table
below:
Appendix Table 19 Parameter characteristics
Characteristic
parameter (BIT)
Value
Meaning
BIT1~BIT0
00B
Changeable in run
01B
Not changeable in run, but
changeable in stop
10B
Read only
11B
Factory parameters
BIT4~BIT2
000B
Accuracy: 1
