Gossen MetraWatt SSP 120 Series, Operating Instructions Manual

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GMC-I Messtechnik GmbH 83
8 Appendix
8.1 Adjustable Functions and Parameters
Setting saved with *SAV n:
Default setting after
RESET *RST:
Expla-
nation in
Chapter
on Page
Manual setting or via interface
n=1
...
10
n=11
...
255
Setting Command Significance / Effect
Manual IEE
E 488
RS 232C
Addr
n
Set device address for RS 232 or IEEE 488 (interface configuration) X p. 38
ADDR ESS
n n:
0;1; ... ; 31 (device addresses) X unchanged p. 64
bAUd
txt
Set transmission speed (interface configuration) X unchanged p. 39
txt:
50; 75; 150; ... ; 4800; 9600; 19.2t (transmission speed in bits per sec.)
CAL Start “CAL” routine in accordance with chapter 7 of the operating instructions X unchanged p. 80
CAL
txt, v
X X p. 81
dbit
txt
Set number of data bits (interface configuration) X unchanged p. 39
txt:
7; 8
dly
v
Output off delay for OCP (setup) X X p. 26
DE LAY
v v:
0; 0.1; ... 99.9 (delay time in seconds) X X X 0.00 s p. 65
DI SPLAY
txt
Activate / deactivate digital displays X X ON p. 65
txt:
off, on
IL IM
v
Current setting limit (setup) 0

v

I
nom
X X X X I
nom
p. 25
v:
12.00 (example: 12.00 A) p. 67
IS ET
v
Current setpoint 0

v

ILIM X X X X X 0.000 p. 21
v:
10.75 (example: 10.75 A) p. 67
OC P
txt
Response selection for current limiting (overcurrent protection), (setup) X X X X oFF p. 22
txt:
oFF, on (current regulation / output off after expiration of delay time dLY) p. 68
Output (key) Activate / deactivate the output X oFF p. 21
OU TPUT
txt txt:
OFF, ON X X X p. 69
OVP
v
Overvoltage protection trigger value (setup) 0

v

1.25 x U
nom
X X 1.25 x U
nom
p. 22
OVS ET
v v:
32.5 (example: 32.5 V) X X X p. 69
Pbit
txt
Set parity bit (interface configuration) X unchanged p. 39
txt:
nonE no parity bit
ZEro always 0
EVEn even numbered
odd odd numbered
onE always 1
pon
txt
Device setting selection after power-up (setup) X p. 26
POW ER_ON
txt txt:
rSt (default settings) X X unchanged p. 69
SbY (last used settings, output deactivated)
rcL (last used settings)
rEP
n
Repetition, number of sequence repetitions (sequence) X X cont or 0 =

p. 33
RE PETITION
n n:
1; ... ; 255 X X X p. 70
0

rnd
txt
Round off the displayed measured value (setup) X unchanged p. 27
txt:
0; –1; –2 (no rounding, round by one or two decimal places)
Sbit
txt
Set number of stop bits (interface configuration) X unchanged p. 40
txt:
1; 2
SEq
txt
Sequence, automatic memory recall X on
1)
p. 34
SEQ UENCE
txt txt:
Go (start); (off, on (close/end, open)) running SEQ, “stop” p. 70
Hold (pause/suspend); cont (resume); strt, step, stop (step-by-step control) X X
SiG1
txt
Signal output 1 (analog interface) X unchanged p. 29
SiG2
txt
Signal output 2 (analog interface) X p. 29
Si g1_Sig2
txt1, txt2 txt:
oFF SIG inactive (passive high) X X p. 71
on
out
ModE
SEq
SSEt
U_Lo
U_Hi
I_Lo
I_Hi
SIG active (active low)
Signal level depends upon the output’s activation status
OUTPUT on: passive high
OUTPUT OFF: active low
Signal level depends upon momentary control mode
OFF or CV: passive high
CC or OL: active low
Signal level depends upon activated sequence run
Sequence being executed: active low
Signal level depends upon SSET switching function (

SEQUENCE)
OFF: passive high
ON: active low
Compare measured voltage value with USET from sequence memory location 254.
Measured voltage value

reference value: passive high
Measured voltage value < reference value: active low
Compare measured voltage value with USET from sequence memory location 255.
Measured voltage value

reference value: passive high
Measured voltage value > reference value: active low
Compare measured current value with ISET from sequence memory location 254.
Measured current value

reference value: passive high
Measured current value < reference value: active low
Compare measured current value with ISET from sequence memory location 255.
Measured current value

reference value: passive high
Measured current value > reference value: active low