CONTREX CX-1200 - Manual (Page 286)

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FUNCTION (10) DATA READ CONSTANT TABLE
Table 57 Host Transmission
Byte #
DESC
Decimal
1 2 3 4 5-6 7 8 9
STX Length Address Function Parameter # ETX CRC
Hex
2 9-19 1-99 10 1-999 3 0-65535
02 09-13 01-63 0A 0001-03E7 03 0000-FFFF
Parameter Number Field - Number of parameters x 2 bytes/parameter (6 parameters max. = 12 bytes)
Message Length = 9 to 19 bytes
Table 58 CX-1200 Response
Byte #
DESC
Decimal
1 2 3 4 5-220 221 222 223
STX Length Address Msg Error Data Field ETX CRC
Hex
2 43-223 1-99 0-255 <below> 3 0-65535
02 2B-DF 01-63 00-FF <below> 03 0000-FFFF
Data Field - Number of parameters x 36 bytes/parameter (6 parameters max. = 216 bytes)
Parameter Number -WORD (2 bytes) (0000 - 03E7)
Parameter Error Code -1 byte (00 - 20)
Parameter Title -16 bytes (String of 16 Printable ASCII characters)
Minimum Value* -LONG (4 bytes) (80000000 - 7FFFFFFF)
Maximum Value* -LONG (4 bytes) (80000000 - 7FFFFFFF)
Default Value* -LONG (4 bytes) (80000000 - 7FFFFFFF)
Resolution for Minimum* -1 byte (00 - 09)
Maximum Resolution* -1 byte (00 - 09)
Resolution for Default* -1 byte (00 - 09)
Parameter Control byte -1 byte (00 - F4)
Field Length -1 byte (00 - 09)
* These fields will be filled with zeros for all Monitor Parameter requests.
Message Length = 43 to 223 bytes