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LiAM Description
All settable parameters (either password or non-password protected) need to be
updated in order to take immediate effect on the module operation: a 'MUP\r'
command needs to be sent to the LiAM module after all parameters have been set by
'MWG' commands.
Please note again that cells marked in
be unlocked in order to write their content.
Please refer to
Table 4
module and note that the command to be used is:
- 'MWG' command to write the respective "value" cell content.
The LiAM power unit controller automatically handles EEPROM addresses for
the "value" cell section so that the MWG command is almost transparent to the users
and there is no need to write complicated cell addresses.
Example: suppose that the maximum settable current – I
LiAM module has to be changed to 3.88A. Referring to
password protected and it is placed at "value" section cell number 4.
The following command needs to be sent to the LiAM unit:
and should receive an acknowledgment reply from the power supply – i.e.
'#AK\r'. Now, the value 3.88 is stored in the "value" cell number 4 (which is the cell
0x4080 since the "value" section offset is equal to 0x4000 bytes and each cell length
is 0x20 byte). The I
MAX
module operation but only after a 'MUP\r' command is sent to the LiAM.
3.2.1 "Value" Section Cells
Herein, in order to correctly configure and check the power supply operation, a
brief description of the "value" section user-definable cells is presented:
– cell 4: the value contained in this cell defines the maximum current [A]
- I
MAX
that a user can set to the LiAM module. This value needs to be included between a
lower limit 0A and (rated output current + 0.1)A;
- Max Temperature – cell 20: this value [°C] defines the temperature threshold
above what the power supply generates an over-temperature fault condition. The
temperature is directly measured on different points of the output stage and the
highest value is taken into account;
- Load Resistance – cell 21: this value [Ω] defines the estimated value
(calculated automatically from the power supply) of the load resistive part – i.e.
magnet + cabling. Please refer to the 'MTUNE\r' command for further details;
blue
and to write values to configure correctly the LiAM
MWG:4:3.88\r
value, not being password-protected, takes effect on the
LiAM User's Manual
are password-protected and need to
– for the specific
MAX
, this value is not
Table 4
38
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