Rockwell-automation 22-COMM-C ControlNet Adapter User Manual Page 143

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ControlNet Objects C-25
Descriptor Attributes
DSI Parameter Object (Continued)
Bit Name Description
0 Data Type (Bit 1) Right bit is least significant bit (0).
000 = BYTE used as an array of Boolean
001 = WORD used as an array of Boolean
010 = BYTE (8-bit integer)
011 = WORD (16-bit integer)
100 = DWORD (32-bit integer)
101 = TCHAR (8-bit (not unicode) or 16-bits (unicode))
110 = REAL (32-bit floating point value)
111 = Use bits 16, 17, 18
1 Data Type (Bit 2)
2 Data Type (Bit 3)
3 Sign Type 0 = unsigned
1 = signed
4 Hidden 0 = visible
1 = hidden
5 Not a Link Sink 0 = Parameter can sink a link
1 = Parameter cannot sink a link
6 Not Recallable 0 = Recallable from NVS
1 = Not Recallable from NVS
7 ENUM 0 = No ENUM text
1 = ENUM text
8 Writable 0 = Read only
1 = Read/write
9 Not Writable When
Enabled
0 = Writable when enabled (e.g., drive running)
1 = Not writable when enabled
10 Instance 0 = Parameter value is not a Reference to another
parameter
1 = Parameter value refers to another parameter
11 Reserved Must be zero
12 Decimal Place (Bit 0) Number of digits to the right of the decimal point.
0000 = 0
1111 = 15
13 Decimal Place (Bit 1)
14 Decimal Place (Bit 2)
15 Decimal Place (Bit 3)
16 Extended
Data Type (Bit 1)
Right bit is least significant bit (16).
000 = Reserved
001 = DWORD used as an array of Boolean
010 = Reserved
011 = Reserved
100 = Reserved
101 = Reserved
110 = Reserved
111 = Reserved
17 Extended
Data Type (Bit 2)
18 Extended
Data Type (Bit 2)
19 Parameter Exists Reserved
20 Not Used Reserved
21 Formula Links Reserved
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