KEPCO BOP-MG 1KW, Руководство оператора

Страница: 80 / 198

3-12
BOP HIPWR 111315
3.3.1.2 LOCAL PASSWORD PROTECTION AT POWER-UP
It is possible to require a password before the front panel controls can function when the unit is
powered up. From the power-up screen, press
%
, highlight password, then
!
. Enter Admin 2
password (see PAR. 3.2.4.3) and press
!
to verify. Under Menu Protection, highlight Keypad
@ Pwr-up and press F1. Highlight on of three password settings and press
$
to save. Then
press
$
to save for power-up (or
%
to exit without applying the changes). When the unit is
next powered up, pressing any keypad key or rotating the ADJUST control requires entry of the
password selected above before continuing. NOTE: The
#
key can still be used to adjust dis-
play contrast before entering the password.
3.3.2 SETTING VOLTAGE OR CURRENT MODE
The BOP uses two separate channels, one to set output voltage or current and one to set the
corresponding protection limit. The main channel is determined by the
MODE key (in local
mode) which alternately selects either Voltage mode or Current mode or by SCPI command (in
digital remote mode). The protection channel is determined automatically by the main channel
selected. When Voltage mode is selected, the current protection channel is active, and when
Current mode is selected, the Voltage protection channel is active. Table 3-4 defines the voltage
and current parameters used in this manual.
3.3.3 PROGRAMMING VOLTAGE OR CURRENT AND ASSOCIATED PROTECT LIMITS
From the power-up screen the settable voltage/current parameters are displayed at the bottom
of the LCD above the
HELP message (see Figure 3-3). Use
Y
or
U
to highlight the main or
protect channel. (For BOP protect limits refer to PAR. 3.3.4.2 and for external limits see PAR.
3.3.4.3.)
1. To verify that the unit is configured for internal references press
$
from the power-up
screen and verify that Reference Input and Protection Limit are set to Internal, and External
Mode is set to Disable. If necessary to change a setting, use
Y
or
U
to highlight the
parameter, and press
!
to modify. Highlight the desired selection and press
$
to save,
then press
$
to save for power-up or
%
to exit. If analog programming is desired, refer to
PAR. 3.4.
2. Verify that the load has been configured properly to ensure that the unit behaves as
expected when the output is off (see PAR. 3.3.6 for details).
3. Press MODE key to select the main channel (VOLTAGE or CURRENT); the associated
PROTECT channel is automatically selected and displayed.
4. Set the output on or off as desired using the STANDBY key. The output is off (disabled)
when the STANDBY indicator is lit, on (enabled) when not lit.
5. Use
Y
or
U
to highlight the main channel. There are two ways to program the output in
local mode. These methods can be used either when the output is disabled ( STANDBY indi-
cator lit) or enabled.:
CAUTION: When the ADJUST control is rotated, the active parameter is immediately
effective if the output is enabled (on = STANDBY indicator not lit). The volt-
age/current applied to the load changes as the ADJUST control is rotated.