Edwards nRVi, Instruction Manual

Page: 52 / 100

▪ for some commands only, a data field, comprising a sequence of characters
separated from the object number by a space, followed by
▪ a terminating carriage return.
5.1.2 Command and reply table definitions
Table 22
Command abbreviations
Abbreviation
Meaning
cr Carriage return character
d
Decimal ASCII character
*
r Returned error code - refer to Table: Command set error
codes on page 48 .
sp Space character
string May have several ASCII characters
X
Multi-drop decimal ASCII character
§
* Fields showing multiple d characters are to indicate typical length. All data fields have
a maximum of 5 decimal characters (prefixed by a minus number for negative numbers).
§ Fields showing multiple X characters are to indicate maximum length and not fixed
length.
Typical setting command:
Command ! S 8 0 5 sp d d d cr
Typical setting reply:
Reply
*
S 8 0 5 sp r cr
Typical query command:
Command ? S 8 0 5 cr
Typical query reply:
Reply = S 8 0 5 sp d d d cr
Table 23 Command set error codes
Returned error code
Meaning
0 No error
1 Invalid command for object ID
2 Invalid Query/Command
3 Missing parameter
4 Parameter out of range
5 Invalid command in current state - e.g. serial command to
start/stop when in parallel control mode
Page 48
A65901880_D - Configuration