Specifications

Command Set 3-3
Response of NuDAM Commands
The response message depends on versatile NuDAM command. The
response is composed with a few characteristics, including leading
code, variables, and carriage return for ending. There are two
categories of leading code for response message, ”!“ or ”>“ means valid
command and ”?“ means invalid. By checking the response message,
user can monitor the command is valid or not.
Note : Under the following conditions, there will have no response
message.
1. The specified address ID is not exist.
2. Syntax error.
3. Communication error.
4. Some special commands do not have response.