CONTREX CX-1200 - Manual (Page 284)

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FUNCTION (08) DATA READ CUSTOM ENGINEERING UNITS
Table 53 Host Transmission
Byte #
DESC
Decimal
1 2 3 4 5 6 7
Hex
STX Length Address Function ETX CRC
2 7 1-99 8 3 0-65535
02 07 01-63 08 03 0000-FFFF
Message Length = 7 bytes
Table 54 CX-1200 Response
Byte #
DESC
Decimal
1 2 3 4 5-19 20 21 22
STX Length Address Msg Error EU Text ETX CRC
Hex
2 8-22 1-99 0-255 3 0-65535
02 08-16 01-63 00-FF 03 0000-FFFF
EU Text Field - Engineering Units Text String (0 to 15 Printable ASCII characters)
Message Length = 7 to 22 bytes