Omron CRT1 - 10-2008 Operation Manual page 527

CompoNet Explicit Messages
28 02 00 00
End code
Command
code
• When a CompoNet Explicit Message Transmission Failure or Timeout Occurs (FINS Communications
Error)
28 02
End code
Command
code
Description of Parameters
Destination Node Address (Command)
Specifies the Slave Unit destination node address for the explicit message.
Word, input or mixed
10xx hex
The Slave Unit's node address (hex) is entered in xx.
Service Code (Command, Response)
In a command this parameter specifies the service code defined by the CompoNet Network. For details, refer
to the following table. In a normal response, a value is returned with the leftmost bit turned ON for the service
code specified by the command. In an error response, 0094 hex is returned to indicate an error.
Service Codes
Service Read
Command 0E hex
Normal response 8E hex
Class ID (Response)
Specifies the class ID for the explicit message.
Instance ID (Command)
Specifies the instance ID for the explicit message.
Service Data (Command, Response)
In a command, the data defined for the service code is specified for this parameter. In a response, the recep-
tion data defined for the service code is returned.
Number of Bytes Received (Response)
The number of bytes received in the data from the destination node address onwards is returned.
Destination Node Address (Response)
The node address of the remote Slave Unit (the source of the response) is returned.
Error Code (Response)
The error code defined by the CompoNet Network is returned. 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
504
00 94
Error code
Number
(always 0094 hex)
of bytes Service Code
received
Destination node address
Word, output Bits, input or mixed
20xx hex
Write Reset
10 hex 05 hex
90 hex 85 hex
Error name
Bits, output
30xx hex
Save
16 hex
96 hex
The Service code is incorrect.
The specified Attribute value is not supported.
The data written was outside valid range.
Appendix A
Repeater
50xx hex 70 xx hex
Cause