Response Format - Omron NE1A-EDR01 Operation Manual

Formats
4-2-2

Response Format

40
Parameter
Instance ID
Data
When a response is returned from the destination device on the DeviceNet
network, the ED Router sends the response (a UDP/IP message) to the trans-
mission source on the Ethernet network.
The following tables show the response format.
+0 Message sequence number
+2 Data size
+4 Destination node address
+5 Service code
+6 Data
Parameter
Message sequence number The sequence number set when the command was
Data size
Destination node address
Service code
Data
Description
Sets the instance ID for the destination object. The
instance ID set here is sent to the destination node as
is.
Sets the data. The contents of the data vary depending
on the service code.
2 bytes
2 bytes
1 byte
1 byte
552 bytes max.
Description
sent is returned.
The data size from the destination node address
onwards is stored here, in bytes.
The destination node address (transmission source
address) on the DeviceNet network is stored here.
The service code for the destination object set when the
command is sent is stored here. If the response is nor-
mal, the leftmost bit of the requested service code turns
ON.
If it is an error response, 94 hex is returned.
The response data is stored here. If there is an error
response, the following data is returned.
• General Error Code (1 byte)
• Additional Error Code (1 byte)
Section 4-2