M470039-01 REV-F
Page 93
Pa ra meter:
0 to ma ximum va lue; MIN; MAX
Units: Amp.
Exa mple:
“CURR:PROT:UND 1.5”- sets the undercurrent protection to 1.5 Amps.
CURR:PROT:UND:DEL
This command sets the dela y time for under-current protection. When the input current fa lls belo w the undercurrent
protection limit for the progra mmed dela y period, the loa d input is off a nd dra ws no current.
Pa ra meter:
0 to ma ximum va lue
Units: ms
Exa mple:
“CURR:PROT:UND:DEL 500”- sets the undercurrent protection delay to 500 ms.
CURR:TRIG
This command sets the input current level tha t is to be a pplied on occurrence of a trigger in the constant current mode. I f
the Electronic Loa d is not in the CC mode when the comma nd is sent, the progra mmed TRIG level becomes a stored level
tha t ta kes effect when the Loa d cha nges to CC mode. The ra te of input cha nge is in a ccord with the slew ra te in effect.
Pa ra meter:
0 to ma ximum va lue; MIN; MAX
Units: Amp.
Exa mple:
“CURR:TRIG 10” – sets the current trigger level to 10Amps.
CURR:TLEV
This command sets the tra nsient current level in CC mode. When the tra nsient subsystem is on, the Electronic Loa d will
switch between the ma in level a nd tra nsient level a t a ra te determined by the slew ra te in effect. If the programmed
tra nsient current level is belo w the ma in current level, the switchin g will not occur until the ma in level is belo w the va lue
of CURR:TLEV. The IEEE 488.1 comma nd, “ITR” ca n a lso be used.
Pa ra meter:
Low Ra nge: 0 to ma ximum va lue; MIN; MAX
Units: Amp.
High Ra nge: 0 to ma ximum va lue; MIN; MAX
Exa mple:
“CURR:TLEV 30”- sets the current transient level to 30A.
CURR:DUTY
This command sets pulse duty cycle, a s a percenta ge of the tota l cycle, of continuous tra nsient mode in CC mode. If the
Electronic Loa d is opera ting in a nother mode, the duty cycle is stored until the Loa d cha nges to continuous mode.
Pa ra meter:
2 to 98; MIN; MAX
Unit: %
Exa mple:
“CURR:DUTY 50” – sets a 50% duty cycle for transient current mode.
CURR:FREQ
This comma nd sets pulse frequency of continuous tra nsient mode in Hz. If the Electronic Loa d is opera ting in a nother
mode, the pulse frequency is stored until the Loa d cha nges to continuous mode.
Pa ra meter:
0.25 to 20000; MIN; MAX
Unit: Hz
Exa mple:
“CURR:FREQ 1000” – sets a 1000Hz frequency for transient current mode.
CURR:SLEW
This comma nd sets the current slew ra te for both ra nges in CC mode. The progra mmed slew ra te is in effect for a ll
current changes except INP:ON or OFF. The ha rdwa re implementa tion selects a slew ra te tha t is close to the
CURR:SLEW va lue. To determine the a ctua l va lue, use the query CURR:SLEW?.
Pa ra meter:
Low Ra nge: minimum to ma ximum va lue; MIN; MAX
Units: Amp/
s.
High Ra nge: minimum to ma ximum va lue; MIN; MAX
Exa mple:
“CURR:SLEW 0.1” - sets the current slew rate to 0.1A/
s.
CURR:LIM:MAX
This command sets a nd queries the ma ximum input current level tha t is to be a pplied immedia tely in the consta nt current
mode.
Pa ra meter:
0 to ma ximum va lue; MIN; MAX
Units: Amp.
Exa mple:
“CURR:LIM:MAX 50” – sets maximum current input level to 50Amps
CURR:LIM:MIN
This command sets and queries the minimum input current level tha t is to be a pplied immedia tely in the consta nt current
mode.
Pa ra meter:
0 to ma ximum va lue; MIN; MAX
Units: Amp.
Summary of Contents for Amrel PLA 2U
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