Omron GRT1 - 11-2007 Operation Manual page 325

Explicit Messages
Source Node Address
The node address of the node from which the command was sent is returned in hexadecimal.
Service Code
For normal completion, the value when the leftmost bit of the service code specified in the command turns ON
is stored as shown in the following table.
Function Command service code
Write data 10 hex
Read data 0E hex
Reset 05 hex
Save 16 hex
When an error response is returned for an explicit message, the value is always 94 hex.
Data
Read data is included only when a read command is executed.
Error Codes
The explicit message error code. For details, refer to the list of error codes in the following table.
List of Error Codes
Response code
08FF Service not supported
09FF Invalid Attribute value
16FF Object does not exist
15FF Too much data
13FF Not enough data
0CFF Object state conflict
20FF Invalid parameter
0EFF Attribute not settable
10FF Device state conflict
14FF Attribute not supported
19FF Store operation failure
2AFF Group 2 only server general
failure
Explicit Messages Shared by All Slice I/O Units
Reading Status
Explicit Read/write
message
Warning Read
Information
Read
Alarm Infor- Read
mation
Read
Note The Instance ID specifies the Slice I/O Unit's unit number (1 to 63 decimal).
304
Error name
The Service code is incorrect.
The specified Attribute value is not supported.
The data written was outside valid range.
The specified Instance ID is not supported.
The data is larger than the specified size.
The data is smaller than the specified size.
The specified command cannot be executed due to an internal error.
The specified operation command data is not supported.
An Attribute ID supported only for reading has been executed for a
write service code.
The specified command cannot be executed due to an internal error.
The specified Attribute is not supported.
The data cannot be stored in memory.
The specified command or Attribute is not supported or the Attribute
was not set.
Function
Service
code
Reads the Slice 0E hex
I/O Unit's warn-
ing status data.
Reads the Slice 0E hex
I/O Unit's alarm
status data.
Response service code
90 hex
8E hex
85 hex
96 hex
Command
Class ID Instance ID Attribute
8D hex 01 to 40 hex
(See note.)
8D hex 01 to 40 hex
(See note.)
Appendix A
Cause
Response
Data size
ID
72 hex --- 2 bytes
73 hex --- 2 bytes