Omron R88A-MCW151-DRT-E Operation Manual page 89

DeviceNet (MCW151-DRT-E only)
Parameters
74
Error Response
The following response is returned if an error occurs for the explicit message.
28 01 00 00
Command Response
code code
Source node address
Destination node address (command)
The node address of the destination of the explicit message.
Service code (command, response)
A service code defined for DeviceNet. In a normal response, bit 15 of the ser-
vice code specified will be turned ON and returned. For an error response, the
service code will always be 94 Hex.
Class ID (command)
The class ID of the destination of the explicit message. The class ID is always
008A Hex when reading or writing the MC Unit memory.
Instance ID (command)
The instance ID of the destination of the explicit message. The instance ID is
always 0001 Hex when reading or writing the MC Unit memory.
Service data (command, response)
The data defined for the services codes.
No. of bytes received (response)
The number of bytes received from the destination node address (local node).
Source node address (response)
The node address of the OMRON I/O Slave Unit or slave manufactured by
another company of which the explicit message was sent is returned.
General error code (response)
The following error codes may be returned.
General Error name
error code
08 Hex Service not supported
09 Hex Invalid attribute value
11 Hex Reply data too large
13 Hex Not enough data
15 Hex Too much data
16 Hex Object does not exist
20 Hex Invalid parameter
94
No. of bytes
received
General error code
Service code 94 Hex
The requested service was not imple-
mented or was not defined for this
Object Class/Instance.
Invalid attribute data detected.
The data to be transmitted in the
response buffer is larger than the allo-
cated response buffer.
The service did not supply enough
data to perform the specified opera-
tion.
The service supplied more data than
was expected.
The object does not exist in the
device.
A parameter associated with the
request was invalid.
Section 4-2
FF
Additional error code FF Hex
Cause of error