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Parker AC30 series - Page 126

Parker AC30 series
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A-4 Fieldbuses
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.

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