Omron E5AC, Communications Manual

Page: 36 / 224

2 CompoWay/F Communications Procedures
2 - 4
E5@C Digital Temperature Controllers Communications Manual (H175)
The following examples show the end code when a command did not end normally.
Example 1) Illegal Sub-address, No SID, and No Command Text
• Command
• Response
End code is “16” (sub-address error).
The sub-address error code is used because the sub-address error has a higher error detection
priority than the format error.
Example 2) No Command Text
• Command
• Response
The end code is “14” (format error).
Example 3) No Node Number Provided
• Command
The node number is lacking one character.
• Response
There is no response.
2-1-4 Communications Data
Communications
format
Set (monitor)
values
Negative values Decimal point
CompoWay/F 8-digit hexadecimal 2's complement Decimal point is removed and the result is
converted to hexadecimal.
Example conversion: 105.0
→ 1050 →
H'0000041A
2-1-5 End Code Example
STX 0 A ETX
BCC
Node number Sub-address
A ETX
BCC
1 6 STX 0
Node number Sub-address
End code
STX 0 0 ETX
BCC SID
0
Node number Sub-address
0 ETX
BCC
1 4 STX 0
Node number Sub-address
End code
STX ETX
BCC