I-Tech IT8817 User manual

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IT88
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User
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IT8800-7
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Manual
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1
Via Acquanera, 29 22100 Como
tel. 031.526.566 (r.a.) fax 031.507.984
[e-mail] www.calpower.it

User Ma
CHAPT
E
1.1 I N
S
1.2 CL
E
1.3 A
C
1.4 I N
S
1.4.
1.4.2 I
CHAPT
E
2.1 P
O
2.1.
2.1.
2
2.1.
3
2.2 F
R
2.3R E
A
2.4 V
F
2.5 K E
2.6 C
O
CHAPT
E
3.1 M
A
3.2 S
U
CHAPT
E
4.1L O
C
4.2 O
P
4.2.
4.2.
2
4.2.
3
4.2.
4
4.3 I N
P
4.3.
4.3.
2
4.4 S
Y
4.5 C
O
4.6 T
R
4.6.1
T
4.6.2
T
4.7
A
/
B
4.7.
4.7.
2
4.7.
3
4.8 L I
S
4.9 S
A
4.10
V
4.11
O
nual
E
R1 INSP
E
S
PECTION ..
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C
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S
TALLATION
1 Mountin
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NPUT CON
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.......... 27

4.12
O
4.13
B
4.14
P
4.14
4.14
4.14
4.14
4.14
4.15
K
4.16 R
4.16
4.16
4.16
4.16
4.16
C HAP
T
5.1 O
P
5.1.
5.1.
2
5.1.
3
5.1.
4
5.2 T
R
5.2.
5.2.
2
5.2.
3
5.3 L I
S
5.4 A
U
CHAPT
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6.1 R
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6.2
U
6.3
G
O
PP TEST F
B
ATTERY DI
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P
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Manual
M
anual
.......... 27
.......... 28
.......... 29
.......... 29
.......... 29
.......... 30
.......... 30
.......... 30
.......... 31
.......... 31
.......... 31
.......... 31
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.......... 41
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.......... 43
.......... 43

User Ma
Wa
r
Certi
f
We certi
f
factory.
Warr
a
This har
d
period o
f
hardwar
e
not to fa
i
workma
n
compan
y
does no
t
uninterr
u
For warr
returned
charges
warrant
y
Limit
a
The fore
g
mainten
a
modifica
t
product,
Assi
s
The abo
v
product
m
availabl
e
Safet
y
The foll
o
of this in
s
elsewhe
r
use of t
h
these re
q
Envi
r
This inst
designe
d
meters.
R
ambient
Befo
r
Verify th
a
describe
nual
r
rant
y
f
icatio
n
f
y that this
a
nty
d
ware pro
d
f
ONE yea
e
product
a
i
l to execu
t
n
ship for a
y
will eithe
r
t
warranty
u
pted or e
r
anty servi
c
to a servi
c
by (and s
h
y
service.
O
a
tion
o
g
oing war
r
a
nce by th
e
t
ion or mi
s
or improp
e
s
tance
v
e statem
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m
aintenan
e
.
y
Sum
o
wing gen
e
s
trument.
r
e in this
m
h
e instrum
e
q
uirement
s
r
onme
n
rument is
i
d
to opera
t
R
efer to th
operating
r
e App
l
a
t all safet
d under "
S
y
Inf
o
n
product
m
d
uct is wa
r
r from dat
e
a
nd when
t
e their pr
o
period of
9
r
repair or
that the o
p
r
ror free.
c
e, with th
e
c
e facility
d
h
all pay all
O
ur comp
a
o
f War
r
r
anty shall
e
Custom
e
s
use, oper
a
e
r site pre
p
e
nts apply
ce agree
m
mary
e
ral safety
p
Failure to
c
m
anual viol
e
nt .We as
s
.
n
tal C
o
i
ntended f
o
t
e at a ma
x
e specific
a
temperatu
l
ying
P
y precauti
o
S
afety Sy
m
o
rma
t
m
et its publ
r
ranted ag
a
e
of delive
r
properly i
n
o
grammin
g
9
0 days fr
o
replace p
r
p
eration fo
r
e
exceptio
n
d
esignate
d
duty and
t
a
ny shall p
a
r
anty
not apply
e
r, Custo
m
a
tion outsi
d
p
aration a
n
only to th
e
m
ents and
c
p
recautio
n
c
omply wi
t
ates safet
y
sumes no
o
nditio
n
o
r indoor
u
x
imum rel
a
a
tions tabl
e
re range.
P
ower
o
ns are ta
k
m
bols".
4
t
ion
ished spe
c
a
inst defe
c
r
y. IT8800
n
stalled on
g
instructio
o
m date of
r
oducts wh
r
the soft
w
n
of warra
n
d
by our co
t
axes) for
p
a
y for retu
r
to defects
m
e
r
-suppli
e
d
e of the
e
n
d mainte
n
e
standard
c
ustomer
a
n
s must be
t
h these p
r
y
standar
d
liability fo
r
n
s
u
se. Polluti
o
a
tive humi
d
e
s for the
a
k
en. Note
t
c
ifications
c
ts in mat
e
series ele
c
that hard
w
ns due to
d
delivery.
D
ich prove
t
w
are firmw
a
n
ty option
s
mpany. C
u
p
roducts r
e
r
n of prod
u
resulting
f
e
d softwar
e
e
nvironme
n
n
ance.
product
w
a
ssistanc
e
observed
r
ecautions
d
s of desig
n
r
the custo
o
n degree
d
ity of 95%
a
c mains
v
t
he instru
m
IT88
0
at time of
s
e
rial and w
o
c
tronic loa
w
are prod
u
d
efects in
m
D
uring the
t
o be defe
c
a
re or har
d
s
, this pro
d
u
stomer s
h
e
turned to
u
cts to Cu
s
f
rom impro
e
or interfa
c
n
tal specifi
w
arranty.
W
e
agreeme
n
during all
p
or with sp
e
n
, manufa
c
mer’s failu
2 environ
m
and at alt
i
v
oltage req
m
ent's ext
e
0
0 User
s
hipment
f
o
rkmanshi
d for use
w
u
ct, are w
a
m
aterial a
n
warranty
p
c
tive. Our
c
d
ware shal
l
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uct must
b
h
all prepa
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our place
s
tomer.
o
per or ina
d
c
ing, unau
cations fo
r
W
arranty o
p
n
ts are als
o
p
hases of
o
e
cific war
n
c
ture, and
re to com
p
m
ents. It i
s
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tudes of u
uirements
e
rnal marki
Manual
f
rom the
p for a
w
ith a
a
rranted
n
d
p
eriod our
c
ompany
l
be
b
e
y
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for
d
equate
thorized
r
the
p
tions
o
o
peration
n
ings
intended
p
ly with
s
p to 2000
and
ngs

Grou
n
This pro
d
minimiz
e
electrica
grounde
d
(safety
g
conduct
o
hazard t
h
DO NOT
O
Do not o
KEEP A
W
Operati
n
Guide fo
internal
a
compon
e
may exi
s
discharg
DO NO
T
Do not t
r
renderin
g
Safet
y
Di
r
A
l
t
B
o
P
r
C
a
The WA
R
like, whi
c
proceed
met.
The CA
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like, whi
c
destructi
the indic
a
WAR
N
CAU
T
n
d the
d
uct is a S
e
shock ha
z
l ground.
T
d
power c
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t
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r or disco
n
h
at could
r
O
PERATE
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perate th
e
W
AY FROM
n
g personn
r installing
a
djustmen
t
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nts with
p
s
t even wit
h
e circuits,
T
SERVIC
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r
y to do so
m
g
first aid
r
y
Sym
b
r
ect curre
n
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ernating c
o
th direct a
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otective e
a
a
ution (ref
e
R
NING si
g
c
h, if not c
o
beyond a
U
TION sig
n
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h, if not c
o
on of part
a
ted cond
i
N
ING
T
ION
Instru
afety Clas
s
z
ard, the i
n
T
he instru
m
a
ble, with
t
t
he power
n
nection
o
r
esult in p
e
I
N AN EXP
L
e
instrume
n
LIVE CIRC
el must n
o
or removi
t
s must b
e
p
ower cabl
e
h
the pow
e
and remo
v
E
OR ADJ
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m
e intern
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r
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urrent
nd alterna
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n
e
r to acco
m
g
n denote
s
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rrectly pe
WARNIN
G
n
denotes
o
rrectly p
e
or all of th
e
i
tions are
f
ment
s
1 instru
m
n
strument
m
ent must
t
he groun
d
outlet. No
t
o
f the prot
e
e
rsonal inj
u
L
OSIVE AT
M
n
t in the pr
e
UITS
o
t remove
i
ng electro
n
e
made onl
y
e
connect
e
e
r cable re
m
v
e externa
U
ST ALO
N
a
l service
o
o
n is pres
e
ting curre
n
n
d) termin
a
m
panying
d
s
a hazard.
rformed o
r
G
sign unti
l
a hazard.
e
rformed o
r
e
product
s
f
ully under
s
5
m
ent (provi
chassis a
n
be conne
c
d
wire firml
y
t
e: Any int
e
e
ctive eart
h
u
ry.
M
OSPHER
E
e
sence of
i
nstrumen
t
n
ic load m
y
by quali
f
e
d. Under
c
m
oved. T
o
l voltage s
N
E
o
r adjustm
e
e
nt.
n
t
a
l
d
ocument
s
It calls at
t
r
adhered
t
l
the indic
a
It calls att
e
r
adhered
t
s
. Do not p
s
tood and
ded with
a
n
d cover
m
c
ted to the
y
connect
e
e
rruption
o
h
terminal
w
E
fumes or
f
t
covers e
x
odules. C
o
f
ied servic
e
c
ertain co
n
o
avoid inj
u
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User Ma
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IT8817B
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M
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IT
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User Ma
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power c
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ify that th
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ronic load
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c load is s
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t
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Mo
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ugged in
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IS Ver 1.1
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m Selfte
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0
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CC=0.0
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X
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1.XX-1.
X
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ectronic l
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rgized. T
h
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roper val
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units me
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oad is sh
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k
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r
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hange th
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display so
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System s
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current va
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current/vo
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power co
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u
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roblems
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IT88
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S
tart
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c
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Expl
a
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ltage/pow
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/
software
v
m
factory
w
Y
our elect
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rd; the th
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y
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wer recep
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t power s
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10VAC or
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0
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User
M
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lftest ste
p
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display th
setting
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r power
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lugged
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when the
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orrect.
a
nd
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s

User Ma
If fuse is
Model
IT8817
IT8817
B
IT8817
C
IT8818
IT8818
B
IT8818
C
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m
Use a fl
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matchin
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blowout,
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250VA
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T 2.5A
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s
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User
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control int
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anual
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rfaces

User Ma
2.4 V
F
OFF
CC
CV
CR
CW
Rmt
Addr
SRQ
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nual
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power m
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shift
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function
test file
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k
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2(pragma
3（Battery
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4（Save
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5
6（Config
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7（Info）
8（Lock
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9（Local
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nu/decrea
i
ght when
ht when i
n
ndition
1
0 steppin
1
stepping
t
test funct
n
i
on
setting val
t
ting
s
etting
Model/S
N
e
d to switc
h
n
m
eters in
C
n
IT88
0
se the set
in set
n
set mode
g
ion
ue,such a
s
N
/Version
h
local an
d
C
C/CV/C
W
0
0 User
User
M
s
current
s
d
remote
m
W
/CR mod
e
Manual
M
anual
s
etting
m
ode
e

User Ma
3.1 M
M
Rated val
( 0～40
CV mo
d
CC mo
d
CR mo
d
CW mo
d
Readba
c
voltag
e
Readba
c
curren
t
Readbac
k
power
OPP
OCP
OVP
OTP
Short
Input
nual
C
h
ain te
c
odel
ue
℃)
Voltag
e
Curren
t
power
Minimu
m
setting
voltag
e
d
e
range
resoluti
o
accura
c
d
e
range
resoluti
o
accura
c
d
e
range
resoluti
o
accura
c
d
e
range
resoluti
o
accura
c
c
k
e
Range
Resoluti
n
A
ccura
c
c
k
t
Range
Resoluti
n
A
ccura
c
k
Range
Resoluti
n
A
ccura
c
curren
t
（CC
）
voltag
e
（CV
）
resistan
e（CR
）
h
apte
r
c
hnica
l
e
t
m
e
0.15
0
~
o
n 1
c
y ±(0.025%
0
~
o
n 1
c
y ±(0.05%
0.01
Ω
o
n
c
y 0.01
%
o
n
c
y
0
~
o1
c
y ±(0.025
%
0
o
1
c
y
o
c
y
≒39.6
A
t
）
≒
e
）
c
）
≒
r
3 Te
c
l
speci
f
IT
8
0~1
2
0~36A
45
0
V/36A
~
18V
mV
+0.05%FS)
~
36
A
m
A
+0.1%FS)
Ω
~10Ω
1
6
%
+0.08S
45
0
100
0.2%+
0
Me
a
~
18V
mV
%
+0.025%FS
0
~36
A
1
mA
±(0.05%+
0
45
0
100
±(0.2%+
0
P
r
≒4550W
A
≒130V
≒85℃
39.6
A
0V
≒
4mΩ
300KΩ
14
c
hnic
a
f
icatio
n
8
817
2
0V
0
~
0
0W
1.5V/
3
0~12
10
m
±(0.025%+
0
0~3
6
10
m
±(0.05%+
0
10Ω~7
6
bi
t
0.01%+0
0
0W
mW
0
.2%FS
a
suremen
0~1
2
10
m
)±(0.025%
+
S
0~
3
10
m
0
.05%FS)
0
0W
mW
0
.2%FS)
r
otection
r
≒3
9
specifica
t
≒3
9
0
V
≒4
m
a
l Sp
e
n
~
360
A
3
60
A
0V
m
V
0
.05%FS)
±
6
0
A
mA
0
.1%FS)
±
.5KΩ
.0008S
t range
2
0V
m
V
+
0.025%F
)
±
(
3
60
A
mA
r
ange
9
6
A
t
ion
9
6
A
V
m
Ω
IT88
0
e
cific
a
0~48
A
0.15V/48
A
0~18V
1mV
±
(0.025%+0.
0
S)
0~48
A
1mA
±
(0.05%+0.1
%
0.005Ω~1
0
0.01%+0.
0
0
0~18V
1 mV
(
0.025%+0.
0
S)
0~48
A
1mA
±(0
±(
≒52.8
A
≒52.8
A
0V
≒3mΩ
0
0 User
a
tion
IT8818
0~120V
A
6KW
A
1
0
5%F ±(0.
0
A
%
FS) ±(0.
0
0
Ω1
16bit
0
8S 0.0
6KW
100mW
0
.2%+0.2%
F
0
25%F ±(0.0
A
.05%+0.05
%
6KW
100mW
0.2%+0.2%
F
≒6050W
A
≒130V
≒85℃
A
300KΩ
Manual
0~480A
1
.5V/480
A
0~120V
10mV
0
25%+0.05
%
S)
0~480A
10mA
0
5%+0.1%F
S
0Ω~7.5KΩ
1%+0.0008
S
F
S
0~120V
1 0mV
25%+0.025
%
S)
0~480A
10mA
%
FS)
F
S)
≒528A
≒528A
0V
≒3mΩ
%
F
S
)
S
%
F

termin
a
impeden
c
M
Rated val
( 0～40
CV mo
d
CC mo
d
CR mo
d
CW mo
d
Readba
c
voltag
e
Readba
c
curren
t
Readba
c
power
OPP
OCP
OVP
OTP
Short
Input
termin
a
impeden
c
a
l
c
e
odel
ue
℃)
Voltag
e
Curren
t
power
Minimu
m
setting
voltag
e
d
e
range
resoluti
o
accura
c
d
e
range
resoluti
o
accura
c
d
e
range
resoluti
o
accura
c
d
e
range
resoluti
o
accura
c
c
k
e
Range
Resoluti
n
A
ccura
c
c
k
t
Range
Resoluti
n
A
ccura
c
c
k
Range
Resoluti
n
A
ccura
c
curren
t
（CC
）
voltag
e
（CV
）
resistan
e（CR
）
a
l
c
e
e
t
0
~
m
e
0.3
V
0
~
o
n 1
c
y ±(0.025%
0
~
o
n 1
c
y ±(0.05%
+
0.03
Ω
o
n
c
y 0.01
%
o
n
c
y
0
~
o1
c
y ±(0.025
%
0
o1
c
y
o
c
y
≒13.2
A
t
）
≒
1
e
）
c
）
≒
2
IT88
0~5
0
~
12A
3.6
K
V
/12A
~
50V
mV
+0.05%FS)
~
12A
m
A
+
0.05%FS)
Ω
~10Ω
16
b
%
+0.08S
3.6
K
100
m
0.2%+0
Me
a
~
50V
mV
%
+0.025%FS
)
~12A
mA
±(0.05%+
0
3.6
K
100
m
±(0.2%+
0
P
r
≒3650W
A
≒530V
≒85℃
1
3.2A
0V
2
5mΩ
1MΩ
15
17B
0
0V
0~12
K
W
3V/12
0
0~50
0
10m
V
±(0.025%+
0
S)
0~12
10m
A
±(0.05%+0.
0
10Ω~7.
5
b
i
t
0.01%+0
.
K
W
m
W
.2%FS
a
suremen
0~50
0
10
m
±(0.025%
+
FS
)
0~1
2
10m
A
0
.05%FS)
K
W
m
W
0
.2%FS)
r
otection
r
≒13
2
specifica
t
≒13
2
0V
≒25
m
0A
0
A
0
V
V
0
.05%F ±(
0
0A
A
0
5%FS) ±(0
5
KΩ
.
0008S
t range
0
V
m
V
+
0.025%
)
±(0
2
0A
A
r
ange
2
A
t
ion
2
A
m
Ω
IT88
0
0~15A
0.3V/15A
0~50V
1mV
0
.025%+0.0
5
S)
0~15A
1mA
.05%+0.05
%
0.03Ω~10
Ω
0.01%+0.08
0
0~50V
1 mV
.025%+0.02
S)
0~15A
1mA
±(0.
0
±(
0
≒16.5A
≒16.5A
0V
≒20mΩ
0
0 User
User
M
IT8818B
0~500V
5KW
3
5
%F ±(0.02
%
FS) ±(0.0
5
Ω
1
0
16bit
S 0.0
1
5KW
100mW
.2%+0.2%F
S
5%F ±(0.02
5
0
5%+0.05%
5KW
100W
0
.2%+0.2%F
≒5050W
≒530V
≒85℃
1MΩ
Manual
M
anual
0~150A
3
V/150A
0~500V
10mV
5%+0.05%
F
0~150A
10mA
5
%+0.05%F
S
0
Ω~7.5KΩ
1
%+0.0008
S
S
0~500V
10 mV
5
%+0.025%
F
)
0~150A
10mA
FS)
S)
≒165A
≒165A
0V
≒20mΩ
F
S)
S
)
S
F
S

User Ma
M
Rated val
( 0～40
CV mo
d
CC mo
d
CR mo
d
CW mo
d
Readba
c
voltag
e
Readba
c
curren
t
Readba
c
power
OPP
OCP
OVP
OTP
Short
Input
termin
a
impeden
c
nual
odel
ue
℃)
Voltag
e
Curren
t
power
Minimu
m
setting
voltag
e
d
e
range
resoluti
o
accura
c
d
e
range
resoluti
o
accura
c
d
e
range
resoluti
o
accura
c
d
e
range
resoluti
o
accura
c
c
k
e
Range
Resoluti
n
A
ccura
c
c
k
t
Range
Resoluti
n
A
ccura
c
c
k
Range
Resoluti
n
A
ccura
c
curren
t
（CC
）
voltag
e
（CV
）
resistan
e（CR
）
a
l
c
e
e
t
0
~
m
e
0.18
0
~
o
n 1
c
y ±(0.025%
0
~
o
n 1
c
y ±(0.1 %
+
0.01
Ω
o
n
c
y 0.01
%
o
n
c
y
0
~
o0.
1
c
y ±(0.025
%
0
o1
c
y
o
c
y
≒66A
t
）
≒
e
）
c
）
≒
IT8
8
0~1
2
~
600
A
45
0
V/60
A
~
18V
mV
+0.05%FS)
~
60
A
m
A
+
0.1%FS)
Ω
~10Ω
1
6
%
+0.08S
45
0
100
0.2%+
0
Me
a
~
18V
1
mV
%
+0.025%FS
)
~60
A
mA
±(0.05%
+
45
0
100
±(0.2%+
0
P
r
≒4550W
≒130V
≒85℃
≒
66A
0V
3mΩ
300KΩ
16
8
17C
2
0V
0~6
0
0
0W
1.8V/
6
0~12
10
m
±(0.025%+
0
0~6
0
10
m
±(0.1%+0
10Ω~7
.
6
bi
t
0.01%+
0
0
0W
mW
0
.2%FS
a
suremen
0~1
2
1
m
±(0.025%
+
S
)
0~6
0
10
m
+
0.1%FS)
0
0W
mW
0
.2%FS)
r
otection
r
≒6
6
specifica
t
≒6
6
0
V
≒3
m
0
0
A
6
00
A
0V
m
V
0
.05%FS)
±
0
0
A
mA
.1%FS)
±
.
5KΩ
0
.0008S
t range
2
0V
m
V
+
0.025%F
)
±
0
0
A
mA
r
ange
6A
t
ion
6
0
A
V
m
Ω
IT88
0
0~72A
0.18V/72
A
0~18V
1mV
±
(0.025%+0.
0
FS)
0~72A
1mA
±
(0.1%+0.1
%
0.005Ω~1
0
0.01%+0.0
8
0
0~18V
1 mV
±
(0.025%+0.
%FS)
0~72A
1mA
±(
0
±(
≒79.2A
≒79.2A
0V
≒2.5mΩ
0
0 User
IT8818
C
0~120V
6KW
A
1
0
5% ±(0.02
%
FS) ±(0.
1
0
Ω1
0
16bit
8
S 0.0
1
6KW
100mW
0
.2%+0.2%
F
025 ±(0.02
5
0
.05%+0.1%
6KW
100mW
0.2%+0.2%
F
≒6050W
≒130V
≒85℃
≒
300KΩ
Manual
C
0~720A
.8V/720
A
0~120V
10mV
5%+0.05%
F
0~720A
10mA
1
%+0.1%FS
)
0
Ω~7.5KΩ
1
%+0.0008
S
F
S
0~120V
10mV
5
%+0.025%
F
)
0~720A
10mA
FS)
F
S)
≒792A
≒792A
0V
≒
2.5mΩ
F
S)
)
S
F
S

3.2 S
u
Memor
y
Sugges
t
AC pow
e
Option
O
Option
O
Cooling
Fans
Fan-co
n
Temper
a
Fan sta
t
Operati
n
0 to 40 °
Storage
-20 to 7
0
Humidit
y
Indoor u
s
u
pple
m
y
capacity
：
t
ed calibr
a
e
r input s
O
pt.1: 220
V
O
pt.2: 11 0
V
method
n
trol temp
e
a
ture 35
°
t
e Sc
a
n
g tempe
r
C
temperat
0
°C
y
s
e，humi
d
m
entar
y
：
100 gro
a
tion freq
u
cale(sele
c
V
±10% 5
0
V
±10% 5
0
e
rature
°
C 50
°
a
le 1 sc
a
r
ature
ure
d
ity≤80%
y
char
a
ups
u
ency：1
t
c
table by
s
0
Hz/60Hz
0
Hz/60Hz
°
C 70
°
a
le 2 Sc
a
17
a
cteri
s
t
ime/yea
r
s
witch on
°
C 80
°
a
le 3 O
T
s
tic
the rear
p
°
C
T
P.load off
IT88
0
p
anel)
0
0 User
User
M
Manual
M
anual

User Ma
C
We will i
n
several
p
Loc
a
Con
s
Inpu
t
Syst
e
Con
f
Trig
g
Dyn
a
List
o
Sav
e
VO
N
OC
P
OP
P
Batt
e
Prot
e
Key
Ter
m
4.1L
o
The
can be s
Local op
menu o
p
via the
G
panel ca
4.2 O
The ele
c
1: const
a
2: const
a
3: const
a
4: const
a
4.2.1C
o
In this m
program
nual
C
hap
t
n
troduce t
h
p
arts.
a
l/remote
o
s
tant oper
a
t
control
e
m menu
f
ig menu
g
er functio
n
a
mic test f
u
o
peration
e
/Recall fu
N
function
P
test func
t
P
test funct
e
ry test fu
n
e
ction fun
c
lock functi
o
m
inal on re
a
o
cal/R
e
electroni
c
witched b
y
eration m
e
p
eration. R
G
PIB、RS
2
n be used
perati
o
c
tronic loa
d
a
nt curren
t
a
nt voltag
e
a
nt resista
n
a
nt power
m
o
nstant
ode, the e
med valu
e
t
er4
F
h
e functio
n
o
peration
m
a
tion mod
e
n
u
nction
nction
t
ion
ion
n
ction
c
tion
o
n
a
r panel
e
mote
o
c
load prov
i
y
Local ke
y
e
ans contr
o
emote op
e
2
32、USB
, In remot
e
o
n mo
d
d
can be o
p
t
mode (C
C
e
mode(C
V
n
ce mode
(
m
ode(CW
curren
t
lectronic l
o
e
regardle
s
F
uncti
n
s and ch
a
m
ode swit
c
e
s
o
perat
i
i
des two c
o
y
on the fr
o
o
l the elec
t
e
ration me
a
or Ether
N
e
control
m
d
es
p
erated in
C
)
V
)
(
CR)
)
t
mode
（
o
ad will si
n
s
s of the in
p
18
on a
n
a
racteristic
s
c
hing
i
on m
o
o
ntrol mo
d
o
nt panel
o
t
ronic loa
d
a
ns contr
o
N
et interfa
c
m
ode,the k
e
the followi
（
CC）
n
k a const
a
p
ut voltag
e
n
d C
h
s
of EL co
m
o
de
d
e: Local
m
o
r SCPI co
d
via the k
e
o
l the elect
r
c
e.in local
e
ys can n
o
ng five m
o
a
nt current
e
. See fig
u
IT88
0
h
arac
t
m
pletly in
t
m
ode and r
e
mmand.
e
ys on the
r
onic load
mode, all
t
o
t work.
o
des：
in accord
a
u
re4-1.
0
0 User
t
eristi
c
t
his chapt
e
e
mote mo
d
front pan
e
through c
o
t
he button
s
a
nce with
t
Manual
c
e
r from
d
e, which
e
l and the
o
mputer
s
on front
t
he

4.2.2
C
In thi
s
source
v
4.2.3
C
In t
h
below, t
h
See figu
r
C
onstan
t
s
mode, t
h
v
oltage to t
C
onstan
t
h
is mode,
t
h
e electro
n
r
e 4-3.
Loa
d
input v
L
c
u
t
voltag
e
h
e electron
he progra
m
F
i
t
resist
a
t
he electro
n
ic load wil
F
i
d
oltage
V
L
oad
u
rrent
I
Figure 4-
1
e
mode
（
ic load wil
l
m
med val
u
i
gure 4-2
C
a
nce m
o
nic load w
a
l linearly c
i
gure 4-3
C
Load cu
r
CV m
o
Load in
p
CC
19
1
CC mod
e
（
CV）
l
attempt t
o
u
e. See fig
u
C
V mode
o
de（C
R
a
s equival
e
hange the
C
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r
rent
o
de
p
ut volta
g
mode
e
o
sink eno
u
u
re 4-2.
R
）
e
nt to a c
o
current a
c
I
Se
t
vol
t
g
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Set
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0
u
gh curre
n
o
nstant re
s
c
cording t
o
t
ting
t
age
t
ing curre
0
0 User
User
M
n
t to contr
o
s
istance, a
s
o
the input
e
nt
Manual
M
anual
o
l the
s
shown
voltage.

User Ma
4.2.4
C
In t
h
below.
A
4.3 In
4.3.1 I
n
You
buttoni
s
If input
4.3.2
S
The
switch
t
won’t a
f
original
The
range a
c
current i
s
constan
t
4.4 S
y
Press
SYSTE
MEN
U
nual
C
onstan
t
h
is mode,
t
A
s the inpu
t
put C
o
n
put sw
can contr
o
s
lit，that
m
have bee
n
S
hort op
load can
s
t
o short st
a
f
fect the p
r
set state.
actual cu
r
c
tive when
s
120% of
t
voltage t
o
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stem
+nu
m
M
U
Ini
Po
w
t
power
t
he electro
t
voltage i
n
o
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itch op
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o
l the On/
O
m
eans the i
n
n
opened,i
n
eration
s
imulate a
a
te in local
r
esent set
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r
rent of th
e
the short i
the curre
n
o
be 0V
menu
（
m
ber 5 to
e
tialize
w
e
r
-ON
mode
（
nic load w
a
n
crease,th
e
Figure4-
e
ration
O
ff state v
i
n
put is op
e
n
dicator la
short circ
u
operation
t
ing. When
e
electroni
c
s turned o
n
t range. I
n
（
Syst
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e
nter the
s
INITIALI
Z
NO
YES
POWER
-
RST(def
a
SAV0
20
（
CW）
a
s equival
e
e
current
v
4 CW mo
d
i
a pressin
g
e
ned，whe
n
mp “off” o
n
u
it at its in
p
mode(op
e
turn off th
c
in short
o
n. In CC,
C
n
CV mod
e
e
m）
s
ystem me
Z
E SYST
E
-
ON PAR
A
a
ult)
e
nt to a c
o
v
alue will d
d
e
g
the
n
b
n
the VFD
p
ut. You c
a
e
rate with
p
e short st
a
o
peration d
C
R or CW
m
e
, short m
e
nu
E
M?
Keep the
Reset all
A
MENT
Set the l
o
default s
t
Set the l
o
IT88
0
o
nstant po
w
ecrease,
S
button
，
utton is lig
h
display w
o
a
n press
p
ront pan
e
a
te, the lo
a
epend on
m
ode, the
e
ans settin
g
current c
o
configura
t
o
ad’s inpu
t
t
ate when
p
o
ad’s inpu
t
0
0 User
w
er, as sh
o
S
ee figure
4
，
when
h
ted,the i
n
o
uld be da
r
+ n
u
e
l). Short o
a
d returns
t
the mode
maximum
g
the load’
o
nfigure
t
ion to def
a
t
state to b
e
p
ower on
t
state to b
e
Manual
o
wn
4
-4.
n
put is off.
r
k.
u
mber 1 to
peration
t
o the
and
short
s
a
ult
e
the
e
that of