Sending Compoway/F Commands To The Digital Controller - Omron E5AR User Manual

Sending CompoWay/F Commands to the Digital Controller

5-2

Sending CompoWay/F Commands to the Digital Controller

5-4
The following format is used when an error response is returned for the sent
explicit message.
No. of bytes
Source node
received
address
0004 hex, fixed
Number of Bytes Received
The number of data bytes received from the source node address is returned
as a hexadecimal. When an error response is returned for the explicit mes-
sage, the contents is always 0004 hex.
Source Node Address
The node address of the master that sent the explicit message is returned as
a hexadecimal.
Service Code
For normal responses, the service code specified in the command turns with
the most significant bit (bit 07) turned ON is returned. (For example, when the
service code of the command is 0E hex, the service code of the response will
be 8E hex.) When an error response is returned for the explicit message, the
service code is always 94 hex.
Data
Read data is included in the response only when a read command is exe-
cuted. There is no data for commands that do not read data.
Error Code
The following table shows the error codes for explicit messages.
Error Error name
code
08FF Service not supported The service code is incorrect.
09FF Invalid Attribute value
16FF Object does not exist
15FF Too much data
13FF Not enough data
14FF Attribute not supported The Attribute ID is not supported.
0CFF Object state conflict
0EFF Attribute not settable
20** Invalid Parameter
The master can send CompoWay/F command frames to the E5AR/E5ER-
DRT Digital Controller by embedding them in explicit message commands,
and receive CompoWay/F response frames that are embedded in explicit
messages responses.
The following services, however, cannot be used.
• Monitor value/set data composite registration read
• Monitor value/set data composite read registration (write)
• Monitor value/set data composite read registration confirmation (read)
Service code
(2 bytes, fixed)
Cause
The Attribute Value is not supported.
The Instance ID is not supported.
The data string is too long.
The data string is too short.
The command cannot be executed.
A write service code was sent for a read-only
Attribute ID.
There is an error in the specified parameter.
Section 5-2
Error code