REMOTE/AUTOMATED CONTROL 6-13
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auto controller.
< > – Text inside arrow head brackets indicates parameters that are in-
cluded with a command or command string. The brackets are not included
when issuing the command.
( ) – Parentheses surround a numerical value or set point included in the
command. The parentheses are not included when issuing the command.
All commands are upper-case sensitive. Lower-case commands and que-
ries will be interpreted as invalid commands.
Any command or query that requires a response must be terminated, at
the minimum, with a Carriage Return (CR) character. (ASCII 13 or Hex
0x0D). However, the exact response is determined by whether ‘Terse’ or
‘Verbose’ mode is active, as described below in the Verbose Command
section. All commands are expected to be terminated with a CR/LF indi-
cated by <cr><lf> in the description below.
6.4.4.1 VRB - Verbose Command
The VRB command sets a
fl
ag for more descriptive responses to
commands and queries.
The default power-up state of the unit is ‘Terse’ mode. In this mode, the
response to a command is strictly limited to a carriage return (CR) (ASCII
13 or Hex 0x0D). The response to a query will also include values or
parameters as a response, but with no descriptive text. Invalid commands
or syntactical errors are ignored.
Once the VRB command is issued, the unit will remain in ‘Verbose’
mode, until it is reset to ‘Terse’ by a power down/power up sequence or
the *RST command is issued. In the ‘Verbose’ mode, the response to a
valid command or query is “OK” followed by CR/LF and the “>” symbol as
the next line prompt for the following command/query. The response to
a query will also include the requested information with descriptive test.
Invalid commands generate an “Invalid Command” response followed by
CR/LF and the “>” as the next line prompt.
Command: VRB
Example: VRB<cr><lf>
