TECHNICAL INFORMATION
83/94
CN929-7015M002
Protocol Errors
If incongruencies are detected in the composition of the
data packet sent to the E-Net Dual Controller (in other
words a correct reception but an incorrect data format),
the E-Net Dual Controller will reply with an error code
identified by the “!” (21h) command according to the
following table.
Value
Description
Value in full comp. MV
“1”
31h Reserved (checksum error)
“0”
30h
“2”
32h Non existent command code
“1”
31h
“3”
33h Channel not valid for the selected command
“2”
32h
“4”
34h Write mode not allowed for the selected command
“4096”
34h30h39h36h
“5”
35h Unvalid or non-congruent data transmitted
“4”
34h
“6”
36h Write value exceeding the allowed limits or step not allowed
“16”
31h36h
“7”
37h Data format not recognized on the protocols implemented
“1”
31h
“8”
38h Write not allowed to channel ON
“64”
36h34h
“9”
38h Write not allowed to channel OFF
“128”
21h32h38h
“:”
3Ah Write allowed in Serial Configuration Mode only
“4096”
34h30h39h36h
In the following example is shown a bad command
send to the DUAL.
Binary Protocol:
ü 04 A0 31 V
81h 30h 34h 41h 30h 33h 31h 76h
•
05 A0 3 !3 T
1h 30h 35h 41h 30h 33h 21h 33h 54h