Rockwell Automation 900 Temperature Controller Communications Functions - Series B - Manual (Page 19)

Publication 900-UM004D-EN-E - July 2010
Bulletin 900 Communications Procedures 900-TCx (CompoWay/F) 2-3
Communications Data
Example of End Code
The following examples show an end code when a command did not end
normally.
Example 1: Illegal sub-address, and no SID and command text
Command Format:
Response Format:
End code is "16" (sub-address error).
This is because a sub-address was received and the sub-address error has a
higher error detection priority than the format error.
Example 2: No command text
Command Format:
Response Format:
End code is 14 (format error).
Table 2.3 Communications Data
Communications
Specifications Set (Monitor)
Value Minus Value Decimal Point
CompoWay/F
(Bulletin 900-TCx) 8 digits (Hex) 2's complement Decimal point is removed and
the result is converted to
hexadecimal. Example: 105.0
Ж
1050
Ж
H’000041A
Node No. Sub-address BCC
STX 0 A ETX
BCC
ETX
End Code
1 6
Sub-address
A 0
Node No.
STX
STX
Node No. Sub-address SID BCC
0 0 0 ETX
BCC
ETX
End Code
4 1 0
Sub-address
0
Node No.
STX