Specifications

Protection Event Status register
Protection Event Status register stores the channel number where a service request is occurred if it is caused by
the Questionable Data (QD) bit of the Status Byte register. Use “SYST:PROT?” query to read it but not clear it.
It is cleared only after the specific condition that caused the event is removed.
Non-SCPI Command Status Reporting *
A status register is used for Non-SCPI command status reporting. This register also monitoring the real-time
status condition of the power supply. Each output channel has an 8 bit register which signifies a true condition as
"1" and a false condition as "0". These bit conditions stay true as long as the condition is true. The status word
received is in decimal format, and needs to be converted to binary format. Each bit is assigned a particular
condition. Use “STATUS?” query to read the register.
<Note> *: This status reporting model only applies to maximum two slave units connected to a master controller
and the channel numbers are set to 1 or 2. Byte 1 is for channel 1 and Byte 2 is for channel 2.
Bit configuration of Status register:
Bit Position 7 6 5 4 3 2 1 0
Bit Name
BEEP NU CC/CV OV OC OCP OUT ERR
Bit Weight 128 64 32 16 8 4 2 1
Bit Position 15 14 13 12 11 10 9 8
Bit Name
NU TRACK CC2/CV2 OV2 OC2 OCP2 OUT2 CHAN
Bit Weight 32768 16384 8192 4096 2048 1024 512 256
ERR = Error message. 0 – no error; 1 – error. OUT = output status. 0 – Output ON; 1 – Output OFF.
OCP = OCP setting. 0 – OCP disabled; 1 – OCP enabled. OC = Over-current protection circuit has
tripped. 0 – Normal; 1 – OC tripped. OV = Over-voltage protection circuit has tripped. 0 – Normal; 1 –
Tripped. CV = CC or CV mode. 0 – CV mode; 1 – CC mode. NU = Not used. BEEP = Audible
indicator setting. 0 – OFF; 1 – ON. CHAN = Active channel. 0 – channel 1; 1 – channel 2. OCP2 =
OCP setting in channel 2. 0 – OCP disabled; 1 – OCP enabled. OC2 = Over-current protection circuit
has tripped in channel 2. 0 – Normal; 1 – OC tripped. OV2 = Over-voltage protection circuit has tripped
in channel 2. 0 – Normal; 1 – Tripped. CV2 = CC or CV mode in channel 2. 0 – CV mode; 1 – CC
mode. TRACK = Tracking mode setting for dual channel model. 0 – OFF; 1 – ON.
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