Response Frame; Communications Data - Omron E5AN Communications Manual

■ Response Frame

End
Name
code
10 Parity error
11 Framing error
12 Overrun error
13 FCS error
IC (See Undefined error
note.)
14 Format error
0D Non-executable com-
mand
15 Undefined data value
00 Normal completion
Note: The response format is unusual when an "Undefined error" has occurred due to an invalid
command header code. The error code will be contained in the response's header code rather
than the end code. See the following diagram for details.

■ Communications Data

Setting
Communica-
(monitor)
tions Format
value
SYSWAY Four digits
(decimal)
Communi-
Header
End
cations
code
unit num-
code
ber
@
The sum total of bits whose received data is "1" does not
match the set value of "communications parity."
Stop bit is "0."
An attempt was made to transfer new data when the reception
data buffer was already full.
The calculated FCS value is different from the received FCS
value.
The header code of the command cannot be interpreted.
The command length is incorrect.
• The set value was written when the Communications Writ-
ing parameter was set to "OFF" (disabled).
• The set value was written during AT execution.
• The write data is either outside the setting range or not a
numerical value.
• The data code is either outside the setting range or not a
numerical value.
The command ended normally without error.
Response Format when an "Undefined Error" Occurred
Communi- Termi-
Header FCS
cations
code nator
unit num-
ber
@
I C
Negative values
If the leftmost digit is "−1," it is set to "A."
Example: −1999 → A999
If the leftmost digit is "-," it is set to "F."
Example: −10 → F010
FCS
Text
Description
CR
*
The decimal point is removed.
Example: 105.0 → 1050
4.1 Data Format
Termi-
nator
CR
*
Priority
1
2
3
4
5
6
7
8
---
Decimal Point
4-3