AMETEK BPS Series User Manual
Page 86
User Manual
AMETEK Programmable Power
BPS Series
86
5.2.8.2 VOLTAGE/CURRENT CONTROL SETUP menu
Figure 5-19: VOLTAGE/CURRENT CONTROL SETUP Menu
The VOLTAGE/CURRENT CONTROL SETUP menu may be used to set output voltage and current
control parameters. These parameters are not frequently changed in the normal operation of the AC source
and are thus located on the UTILITY rather than the PROGRAM menu.
The following options are available in this menu:
ALC MODE
Automatic Level Control of programmed output voltage. This mode
will use the internal voltage measurements to adjust the output voltage
continuously as needed. This effectively increases the output accuracy
and regulation beyond what is possible with ALC off.
OL MODE
This field is used to select constant current (CC) or constant voltage
(CV) mode. The constant current mode will limit the maximum
amount of current drawn by the load to the set value. The voltage will
be reduced as needed after the trip delay time to maintain the level of
programmed current.
The constant voltage mode will maintain the set voltage as long as the
current drawn by the load does not exceed the current limit
programmed. If the current limit is exceeded, the output will be shut
off after the trip delay time.
TRIP DELAY
The trip delay field may be used to set the amount of time to hold off
the current limit trip point. The minimum amount of time is 100 ms or
0.1 sec. The maximum amount of time is 5.00 sec.
VOLT SENSE
This field selects the internal or external sense line inputs. Internal
sense does not require the external sense lines to be connected as
sensing occurs at the output relay of the AC source. For best results,
connect the external sense lines and select the EXT sense mode in this
field. This will compensate for voltage drop in the cables to the load.
The measurements are also taken at the sense points, so the external
sense mode should be used for best measurement results.
NO. OUTPUT
This field is always set to three to indicate the 3 phase output
configuration of the BPS Series.