6RL SERIES OPERATION MANUAL
SECTION 7: REMOTE PROGRAMMING
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2018 by Adaptive Power Systems, Inc. (APS) • All Rights Reserved • No reproduction without written authorization from APS.
6RL Series Regenerative DC Load Operation Manual
Page 153 of 204
time it is impossible to set the lower adjustment limit (:LOW) higher than the related set
value or, vice versa, the upper adjustment limit.
These commands are related to the "Limits" setting as you can adjust them in the setup
menu of the unit.
Command
Description
[SOURce:]VOLTage:LIMit:LOW[?]˽<NRf>[Unit]
Identical to value U-min, as configurable at the unit
[SOURce:]VOLTage:LIMit:HIGH[?]˽<NRf>[Unit]
Identical to value U-max, as configurable at the unit
[SOURce:]CURRent:LIMit:LOW[?]˽<NRf>[Unit]
Identical to value I-min, as configurable at the unit
[SOURce:]CURRent:LIMit:HIGH[?]˽<NRf>[Unit]
Identical to value I-max, as configurable at the unit
[SOURce:]POWer:LIMit:HIGH[?]˽<NRf>[Unit]
Identical to value P-max, as configurable at the unit
[SOURce:]RESistance:LIMit:HIGH[?]˽<NRf>[Unit]
Identical to value R-max, as configurable at the unit
7.12.10
Master/Slave Operation Commands
These commands are used to remotely configure and control the master-slave mode (short:
MS). The commands are related to settings in the unit’s setup menu.
Configuration and control require a certain procedure. In general:
Configuration should always be first, but can also be done on the unit’s front panel,
so that after activating remote control, the master-slave operation can start.
The commands in the tables below are listed in the sequence they should be used (top to
bottom).
7.12.10.1
MS Configuration commands
The configuration of MS can be skipped if already done manually at the unit’s front panel or
was used before in remote control and nothing has changed.
Command
Description
SYSTem:MS:ENABle˽{ON | OFF}
Enables (ON) or disables (OFF) master-slave (MS) mode
SYSTem:MS:ENABle?
Queries, whether the MS is enabled or not
SYSTem:MS:LINK˽{MASTER | SLAVE}
SYSTem:MS:LINK?
Defines or queries the role of the unit in the MS system:
MASTER = Unit will be master unit
SLAVE = Unit will be slave unit
SYSTem:MS:INITialisation
Starts the MS initialization with the given settings. After a successful
initialization, the MS mode can be controlled with further
commands. To test if the init has been successful, the next command
can be used:
SYSTem:MS:CONDition?
Queries the result of a former MS init. Possible return values:
INIT = Init was successful
NO INIT = Init was not successful
An init is also successful if there is only a master. In order to find out
whether you have a complete MS system available or not, you would
have to query the number of initialized units from the master with
command SYST:MS:UNITS? (see below). Any value other than 0
means, the MS system is initialized and available for control.
SYSTem:MS:UNITs?
Queries the number of units that have been initialized successfully. The
number can differ from the expected value, if the master did not
initialize one or multiple slaves due to any reason (no connection,
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