Remote Control
LiAM User’s Manual
62
5.3.8
“MRM” Command
The ‘MRM’ command is used to set the value of the desired output current
set-point:
MRM:
value
\r
where:
value
is the output current desired set-point [A].
The difference between the ‘MWI\r’ command and the ‘MRM\r’ command is
that the first one generates a direct change in output current while the second one
makes the power supply go from the previous to the actual current value performing a
ramp, defined by a slew-rate (in A/s) stored in the EEPROM cell 30.
The LiAM module responds with acknowledgment command ‘#AK\r’ if the
value is correctly set and with a ‘#NAK\r’ if:
the set
value
is out-of-range (the maximum settable current value is user-
defined and stored in EEPROM cell 4);
the module is OFF (it is necessary to turn the module ON first);
the module is performing a ramp (it is necessary to wait for the power supply
to end the previous ramp);
Examples:
MRM example with the LiAM module in OFF state:
MRM:-2.872
\r
#NAK
\r
MRM example with the LiAM module ON and not ramping:
MRM:3.1234
\r
#AK
\r
