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TABLE B-1. SCPI SUBSYSTEM COMMAND/QUERY INDEX (CONTINUED)
COMMAND
[SOUR:]VOLT:PROT:POS, ?
[SOUR:]VOLT:PROT:LIM[:BOTH], ?
[SOUR:]VOLT:PROT:LIM:NEG, ?
[SOUR:]VOLT:PROT:LIM:POS, ?
[SOUR:]VOLT:TRIG
STAT:OPER:COND?
STAT:OPER:ENAB, ?
STAT:OPER[:EVEN]?
STAT:PRES
STAT:QUES[:EVEN]?
STAT:QUES:COND?
STAT:QUES:ENAB, ?
SYST:BEEP
SYST:COMM:GPIB:ADDR, ?
SYST:COMM:SER:BAUD, ?
NOTE: Commands listed above that are followed by ", ?" have a related query.
B.2
NUMERICAL VALUES
For all decimal values the SCPI data parser of the BOP supports a maximum of eight digits after the decimal
point and a maximum of four digits before the decimal point. For example: If volt 10345.2e-1 is processed, the
output will become 34.52 volts because the unit only recognizes the first four digits preceding the decimal
point. Sending volt 0.0000034567e6 will result in the output being set to 3.45 volts because the unit only recog-
nizes the first eight digits after the decimal point.
The unit can process any number between 6500.9999 and.000001. Any values greater than these are not pro-
cessed by the device and a "120 - numeric data error" (see Table B-5) is generated. The largest string that can
be received or transmitted by the BOP is 253 characters. All numerical data is returned in scientific notation,
digits with decimal point and Exponent, e.g., 2.71E1 for 27.1.
The unit also supports keywords of MAXimum and MINImum to set the numeric entry to the most positive and
negative allowable values, respectively. For example, If the user has established the volt:limit to be 6, sending
the command VOLT MAX causes the output to be set to 6 volts. This syntax can be very useful in the setting of
a limit, e.g., VOLT:PROT:LIM MAX sets the positive voltage protection limit to the maximum voltage (E
1%) and the negative voltage protection limit to (-1.01 x E
B.3
ABORt COMMAND
Syntax:
Short Form: ABOR
Description: Cancels previously armed trigger, resets WTG. if the trigger system is armed (INIT:CONT set to
OFF and INIT sent), sending ABORt disarms the trigger system so subsequent trigger commands
have no effect. If INIT:CONT ON has been programmed, this command has no effect. Related Com-
mands: INIT, *TRG. (See example, Figure B-1.)
B.4
CAL COMMANDS AND QUERIES
CAL commands and queries are used to perform calibration of the unit via the control interface. These
commands must be issued in a specific sequence in order to properly calibrate the unit. To use these
commands, refer to Kepco's website (www.kepcopower.com/drivers) and download the LabWindows/
CVI Version 5 driver for BOP or refer to PAR. 4.3.1. This file provides remote calibration capability and
uses the following supported commands and queries:
B-2
PAR.
B.100, B.101
SYST:COMM:SER:ECHO, ?
B.102, B.103
SYST:COMM:SER:PACE, ?
B.104, B.105
SYST:COMM:SER:PROM, ?
B.106, B.107
B.108, B.109
SYST:ERR:CODE? ALL?
B.110
B.111, B.112
B.113
B.114
B.115
B.116
B.117, B.118
B.120, B.121
B.120, B.121
B.122, B.123
max).
O
Long Form: ABORt
COMMAND
SYST:ERR?
SYST:KEYB, ?
SYST:PASS:CEN
SYST:PASS:CDIS
SYST:PASS:NEW
SYST:PASS:STAT
SYST:REM, ?
SYST:SEC:IMM
SYST:SET, ?
SYST:VERS?
TRIG:SOUR, ?
PAR.
B.124, B.125
B.126, B.127
B.128, B.129
B.130
B.131, B.132
B.133, B.134
B.135
B.136
B.137
B.138
B.139, B.140
B.141
B.142, B.143
B.144
B.145, B.146
max +
O
ABOR
CAL
BOP-1K 080709
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