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Operating Instructions
55
Table 3-8. Format of Numbers Sent from Power Supply
For these query commands:
VSET? ISET? DLY?
VOUT? IOUT?
VMAX? IMAX?
the response consists of a header followed by a space* followed by 5 decimal digits with an embedded decimal point,
in this format:
<header> <space>d.dddd
to
< header > < space > dddd. d
The header consists of the query alpha characters without the question mark. Leading zeroes are sent as spaces,
except that the first digit to the left of the decimal point is never sent as a space.
*A minus sign can be sent instead of a space for VOUT, IOUT, and OVP.
For these query commands:
STS? FAULT?
ASTS? ERR?
UNMASK? TEST?
the response consists of a header followed by a space followed by three decimal digits with an implicit decimal point, in
this format:
< header > < space > ddd
The header consists of the query alpha characters without the question mark. Leading zeroes are sent as spaces.
For these query commands:
FOLD? HOLD?
OUT? SRQ?
the response consists of a header followed by a space followed by a single digit, in this format:
< header > < space > d
The header consists of the query alpha characters without the question mark.
Termination for Data Sent to Controller. All data returned to the controller are terminated by a carriage return character
followed immediately by a linefeed character. EOI is asserted concurrently with linefeed.
Voltage Setting. Voltage is programmed in either volts or millivolts using any of the following codes (the value 20 is used
as an example):
VSET 20
VSET 20 V
VSET 20 MV
The programmed voltage is the actual output if the power supply is in CV mode, or the voltage limit if the power supply is
in CC mode.
The voltage setting may be read by sending: