Parker AC30 series, Руководство пользователя

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Modbus TCP
A-4
AC30 series Variable Speed Inverter
String Array Example
A string array parameter called
My String Array
has 2 elements of string length 5 characters (plus the null terminator) each. In this example the
parameter number of the whole array is 175.
If the values of the array elements are “12345” and “abc”:
Parameter
Number
Represents Register
Number
Register Value
hi-byte lo-byte
0175 whole array
[“12345”, “abc”]
00877 ‘2’ ‘1’
00878 ‘4’ ‘3’
0176 1 st element
“12345”
00879 ‘2’ ‘1’
00880 ‘4’ ‘3’
0177 fragment
“1234”
00881 ‘2’ ‘1’
00882 ‘4’ ‘3’
0178 fragment
“5”
00883 null ‘5’
00884 undefined undefined
0179 2
nd
element
“abc”
00885 ‘b’ ‘a’
00886 null ‘c’
0180 fragment
“abc”
00887 ‘b’ ‘a’
00888 null ‘c’
0181 fragment
“”
00889 undefined undefined
00890 undefined undefined
Note: This example is not a real parameter.
To access the first element of the array over Modbus then parameter number
0177
(register
00881
) would be used. To access the second element
then parameter number 0180 (register 00887 ) would be used.