User manual

GMC-I Gossen-Metrawatt GmbH 55
Terminating device messages: The following end-of-text characters can be used for data receipt: With IEC bus control: NL (hex: 0A) or NL & EOI or DAB & EOI;
With RS 232C control: NL or CR (hex: 0D) or ETB (hex: 17) or ETX (hex: 03).
The following end-of-message character is used when transmitting the response string :With IEC bus control: NL & EOI;
With RS 232C control: last received end-of-message character.
Abbreviating commands: Abbreviated commands are identified with boldface letters. Letters not printed in boldface can be omitted. Example: “OUTPUT ?” = “OU?”
As a rule, letters can be entered in upper or lower case.
Stringing commands together: Several commands is a single data string must be separated by semicolons (;). Example: “USET?; ISET?; OUTPUT?”
MEAS_LPF? Low-pass filter for measured value
acquisition
txt 1 / 2 / 3 / 4
MEAS_LPF 3
10
MINMAX? Min-Max storage for measured U and I
values
txt OFF / ON
“ON” → enable tolerance band
function for CRB.0/1, ERC.0/1,
SIGx_OUT
MINMAX OFF
10
MODE?
Momentary control mode of the power output txt CV / CC / CP / OL / OFF
MODE CV
8
OC_DELAY? Overcurrent protection triggering delay w 0.000 ≤ w ≤ 65.535 [s]
OC_DELAY 00.000
15
OCP? Overcurrent protection txt OFF / ON / R01 ... R12
OCP OFF
7
OCSET? Overcurrent protection trigger value w +XXX.XXX [A]
OCSET +080.000
15
OUTPUT? Output on-off status txt OFF/ ON
OUTPUT ON
10
OV_DELAY?
Overvoltage protection triggering delay w XX.XXX [s] 0 ≤ w ≤ 65,535 [s]
OV_DELAY 00.000
15
OVP? Overvoltage protection txt OFF / ON / R01 ... R12
OVP ON
7
OVSET? Overvoltage protection trigger value w +XXX.XXX [V]
OVSET +080.000
15
POUT? Current output power w +XXXXX.X [W]
POUT +00002.1
14
POWER_ON? Response after power on txt RST / SBY / RCL / R01 ... R12
POWER_ON SBY
12
PSET? Power setpoint [W] w +XXXXX.X [W]
Depending upon mains power: 750
W / 1500 W
PSET +01500.0
14
REPETITION? (i) Number of repetitions for sequence
function
i is an optional parameter for the setup
memory location (1 through 12),
which should be read out directly.
n0 ≤ n ≤ 255;
0 means continuous repetition
REPETITION 000
15
RLOAD?
Load resistance [ Ω ] w +XXX.XXX [ Ω ]
RLOAD +030.833
14
SEQUENCE? SEQUENCE Status txt,n1,n2,n3 txt: RDY / HALT / RUN
n1: 000 ≤ n1 ≤ 012
(setup memory)
n2: 001 ≤ n2 ≤ 255 (remaining
repetitions),
n2 = 999 = continuous
n3: 0001 ≤ n3 ≤ 1536 (memory
location)
SEQUENCE RDY,000.999,0005
26
SIG123? Analog interface signal outputs txt1,txt2,txt3 OFF / ON / OUT / MODE / SEQ /
SSET / U_LO / U_HI / I_LO / I_HI
SIG123 MODE, OUT, OFF
21
SINK? Sink function on/off txt OFF / ON
SINK ON
8
SSET? Status of an assigned switching
function
txt OFF / ON
SSET OFF
8
START_STOP? (i) Start and stop address
i is an optional parameter for the setup
memory location (1 through 12),
which should be read out directly.
m,n 1 ≤ n1 ≤ n2 ≤ 1536
START_STOP 0001.0005
20
STORE? (m(,n(,tab))) Read data from sequence memory
See “Descriptions of Operating
Commands” for further details.
n,w1,w2,w3,txt n: memory location address
w1: +XXX.XXX [V]
w2: +XXX.XXX [A]
w3: XX.XXX [s]
txt: “FSET”
STORE 0003,+020.000,+015.000,0
0.000, NF
40
T_MODE? Function status for trigger inputs 1
and 2
txt1,txt2 OFF / OUT / SQS / SEQ(,n) / LLO /
MIN (,n) / AIX / AIU / AII
T_MODE OUT,LLO
15
TDEF? (i) Default time for sequence function
i is an optional parameter for setup
memory (1 through 12), which should
be read out directly.
w 0.001 ≤ w ≤ 65.535[ s]
TDEF 01.000
12
TIMEDATE? System clock time/date (RTC) txt yyyy-mm-ddThh:mm:ss
TIMEDATE 2007-10-08T12:27:13
28
TSET? Memory location-specific dwell time
for sequence function
w 0.000 ≤ w ≤ 65.535[ s]
0.000 = Tdef,
TSET 00.000
12
UI_C_SET? Reference values for Uout/Iout,
tolerance band function
w1,w2,w3,w4
[V][V][A][A]
w1, w2: 0 ≤ w1 < w2 ≤ Unom [V]
w3, w4: 0 ≤ w3 < w4 ≤ Inom [A]
UI_C_SET +000.000,+060.000,+00
0.000,+060.000
44
UL_H? (ULIM?) Upper limit value for voltage setting w +XXX.XXX [V]
UL_H +060.000
14
UL_L? Lower limit value for voltage setting w +XXX.XXX [V]
UL_L +000.000
14
UMAX? Max. measured voltage value w +XXX.XXX [V]
UMAX +010.004
14
UMIN? Minimum measured voltage value w +XXX.XXX [V]
UMIN +009,992
14
UOUT? Presently measured voltage value w +XXX.XXX [V]
UOUT +009.998
14
USET? Selected voltage setpoint w +XXX.XXX [V]
USET +010.000
14
Query Command Meaning Response
Parameter
Values / Format
Manual Remote
Sample Response Re-
sponse
String
Length