KEPCO EL Series Electronic Load Operator Manual P/N 243-1295 Firmware Version 3.63 through 3.86 - Manual (Page 70)

B-8
SERIES EL 070312
B.47 [SOURce:]VOLTage:PROTection:UNDer? QUERY
VOLT:PROT:UND?
Syntax: Short Form: [SOUR:]VOLT:PROT:UND? Long Form: [SOURce:]VOLTage:PROTection:UNDer?
Returns: = undervoltage protection limit
Description: Indicates undervoltage protection limit.
B.48 [SOURce:]VOLTage:PROTection:UNDer:STATE[:LEVel] COMMAND
VOLT:PROT:UND:STAT 0
Syntax: Short Form: [SOUR:]VOLT:PROT:UND:STAT[:LEV] 0
Long Form: [SOURce:]VOLTage:PROTection:UNDer:STATe[:LEVel] 0
Description: Clears undervoltage protection error. This error occurs when input voltage is less than
VOLT:PROT:UND level.
B.49 [SOURce:]VOLTage:PROTection:UNDer:STATE[:LEVel]? QUERY
VOLT:PROT:UND:STAT?
Syntax: Short Form: [SOUR:]VOLT:PROT:UND:STAT[:LEV]?
Long Form: [SOURce:]VOLTage:PROTection:UNDer:STATe[:LEVel]?
where = 1 (undervoltage protection error occurred)
0 (undervoltage protection error has not occurred)
Description: Indicates whether an undervoltage protection error has occurred (1) or not (0).
B.50 STATus:CHANnel[:EVENt]? QUERY
STAT:CHAN?
Syntax: Short Form: STAT:CHAN[:EVEN]? Long Form: STATus:CHANnel[:EVENt]?
Returns: <16 bits> = the value of the Channel event register.
Description: Returns value of Channel event register. Each PFM within a chassis has three Channel registers
associated with it. Bits in the Event register are set whenever the associated condition occurs, and are
cleared only upon an explicit command, thus latching any conditions that occur. See Table B-2 for bit
assignments.
B.51 STATus:CHANnel:CONDition COMMAND
STAT:CHAN:COND
Syntax: Short Form: STAT:CHAN:COND 0 Long Form: STATus:CHANnel:CONDition 0
Description: Resets the Channel Enable Register bits to zero.
B.52 STATus:CHANnel:CONDition? QUERY
STAT:CHAN:COND?
Syntax: Short Form: STAT:CHAN:COND? Long Form: STATus:CHANnel:CONDition?
Returns: <16 bits> = the value of the Channel condition register.
Description: Returns the value of the Channel Condition Register. Each PFM within a chassis has three Chan-
nel registers associated with it. The Condition register reflects the instantaneous state of that PFM.
Bits in the Event register are set whenever the associated condition occurs, and are cleared only upon
an STAT:CHAN:COND 0 command, thus latching any conditions that occur. See Table B-2 for bit
assignments.
TABLE B-2. CHANNEL STATUS CONDITION,
ENABLE, AND EVENT REGISTER BITS
CONDITION NU PS OV NU OT OP NU OC VF
BIT 14-15 13 12 5 - 11 4 3 2 1 0
VALUE
16384-
32768
8192 4096 32-2048 16 8 4 2 1
NU - NOT USED
OC OVERCURRENT
OP OVERPOWER
OT OVERTEMPERATURE
OV OVERVOLTAGE
PS PROTECTION SHUTDOWN
VF VOLTAGE FAULT