KEPCO MBT Series - Manual (Page 51)

MBTSVC111609
3-13
If the output is enabled, and the power supply is commanded to operate in Voltage mode, but
R
L
< V
Prog
/ I
Prog
forces the power supply to operate in current mode, the keypad entries adjust
the actual voltage limit, contrary to the display indication.
If the output is enabled, and the power supply is commanded to operate in Current mode, but
R
L
≥ V
Prog
/ I
Prog
forces the power supply to operate in Voltage mode, the keypad entries adjust
the actual output voltage, contrary to the display indication.
Refer to PAR. 3.2.1.6.3 for procedure.
3.2.1.6.3 PROCEDURE USING VADJ AND NUMERIC KEYPAD
1. Press Vadj.
TABLE 3-4. USING VADJ AND KEYPAD ENTRIES TO SET
OUTPUT VOLTAGE/VOLTAGE LIMIT — MODELS MR, MGR
POWER SUPPLY STATUS BEFORE Vadj PRESSED EFFECT AFTER Vadj PRESSED
COMMANDED
MODE
OUTPUT
ENABLED/
DISABLED
ACTUAL MODE ***
(DICTATED BY
LOAD)
DISPLAY
INDICATION
NUMERIC VALUE
SET BY KEYPAD
ADJUSTS:
VOLTAGE DISABLED VOLTAGE**** CONST VOLT = Programmed output voltage
CURRENT DISABLED CURRENT**** VOLT LIMIT = Programmed voltage limit
VOLTAGE ENABLED VOLTAGE CONST VOLT = Actual output voltage
VOLTAGE ENABLED CURRENT * CONST VOLT = Actual voltage limit **
CURRENT ENABLED CURRENT VOLT LIMIT = Actual voltage limit
CURRENT ENABLED VOLTAGE * VOLT LIMIT = Actual output voltage **
* Condition where load forces power supply mode.
** “Overload” error message placed in error buffer (for use when operating in Remote mode).
*** Actual mode is indicated by the VOLTAGE MODE and CURRENT MODE status LED’s.
**** Forced internally by the power supply.
VOLTAGE
MODE
CURRENT
MODE
POLARITY
REVERSED
REMOTE OUTPUT
ENABLED
STATUS
Const Volt =
###V ###A
VOLTAGE
MODE
CURRENT
MODE
POLARITY
REVERSED
REMOTE OUTPUT
ENABLED
STATUS
Volt limit =
###V ###A
or
NOTES: indicates LED may be either on or off.
###V and ###A will either be actual or programmed values of output voltage/voltage
limit and output current/current limit (see Tables 3-3 and 3-4).
indicates that blinking “:” appears only for OUTPUT ENABLED status.