DPU
Series
E-14
Alarm
Full load auto recognition [
F-LD
]
Lock [
LOCK
]
When•operating•load•recognition•function,•it•outputs•100%•
for•3•sec.•Do•not•use•this•unit•to•the•device•which•has•
problem•100%•output•of•load.
Set•[•
F-LD
]•as•
ON
•in•setting•mode•1•[•
ST-1
]•group•and•
press•the• •key,•load•auto•recognition•function•operates.•
According•to•secular•changes•of•the•load,•execute•this•
function•regularly.•
※
•Be•sure•that•when•auto•recognition•starts,•it•operates•
100%•output•for•3•sec.
※
•Caution
• Do•not•execute•this•function•as•ON•without•profession’s•
consultations.•When•executing•this•function,•voltage,•
current•outputs•fully.•Be•sure•that•it•may•cause•damage•
to•the•load.•
•••When•using•special•load•using•low•voltage•and•high•
current•such•as•(super)tantalum,•SiC,•molybdenum,•
tungsten,•etc,•it•may•cause•heater•break•alarm•[•
H-BK
].•
This•alarm•does•not•have•problem•in•operation•but•it•
occurs•when•it•does•not•detect•the•load•when•using•as•
low•voltage.•Set•the•below•notes•to•clear•the•alarm.•
Note>When•using•special•load•such•as•(super)•tantalum,••
••••••••••SiC,•molybdenum,•tungsten,•
H-BK
•alarm•clear•
••••••••••method:•
·
Set•load•resistance•display•method•[•
DRES
]•as•
•••••••
UP
•in•setting•mode•1•[•
ST-1
].
·
Set•heater•break•alarm•value•[•
HB-V
]•as•
500
in•
•••••••setting•mode•2•[•
ST-2
].•
This•function•is•to•limit•parameter•set•value•check•and•
change.•
Set•this•parameter•lock•function•to•enter•setting•mode1.•
When•setting•this•parameter•lock•as•
LOC2
•or•
LOC3
,•only•
parameter•lock•is•displayed•in•setting•mode•1.•
•:•Enable•to•check•and•set
٧
:•Enable•to•check/Disable•to•set
٧
:•Disable•to•check
Parameter
OFF LOC1 LOC2 LOC3
Operating•Mode•set•group
Setting•Mode•2•set•group
Setting•Mode•1•set•group
Alarm
Parameter Operation Clear•alarm
Overcurrent•alarm
O-C
Output•
STOP
(SCR•
OFF)
·
Re-supply•the•
power.
·
RESET( •key)
·
Switch•to•STOP•
mode
Overvoltage•alarm
O-V
Fuse•break•alarm
FUSE
Heatsink•overheat•alarm
TEMP
Element•error•alarm
SCR
Current•alarm
CAL
Continues•
operation
Automatically•
cleared•within•
the•set•range
Heater•break•alarm
HBK
Bar Graph display value content selection [
BAR
]
Load resistance display method [
DRES
]
You•can•select•display•value•content•for•the•bar•graph.•
•
•
Selectable•display•value•content•:•
• load•voltage•[•
U-V
,•
V-W
,•
W-U
],•load•current•[•
LA-U
,•
LA-V
,•
LA-W
],•power•[•
KW
],•control•input•[•
REF
]
This•function•is•for•display•load•resistance•[•
RES
]•into•a•
percentage•in•monitoring•mode•when•disconnecting•the•
parallel•load.•You•can•select•this•value•as•increase•rate•
of•load•resistance•[•
UP
]•or•as•decrease•rate•of•number•of•
loads•[•
DOWN
].•
※
Decrease•rate•of•number•of•loads•[•
DOWN
]•displays•
correct•decrease•rate•only•when•the•connected•each•
load•resistance•is•same.
Ex)Each•of•R
1
•to•R
10•
•is•10Ω•and•load•resistance•(R)•is•1Ω,•
•When•disconnecting•R
1
•to•R
5
,•
①
•Increase•rate•of•load•resistance[•
UP
]
••It•is•based•on•100%•of•load•resistance•(R),•1•Ω.•When•
disconnected•R
1
•to•R
5
,•load•resistance•is•2•Ω•and•load•
resistance•[•
RES
]•in•monitoring•mode•displays•200%.•
②
•Decrease•rate•of•number•of•loads•[•
DOWN
]••
•••It•is•based•on•100%•of•10•loads(R
1
•to•R
10
).•When•
disconnected•R
1
•to•R
5
,•the•number•of•load•are•5(R
6
•
to•R
10
)•and•load•resistance•[•
RES
]•in•monitoring•mode•
displays•50%.
Input slope correction [
SPAN
]
Heater break alarm [
H-BK
]
Display value content selection [
D1SP
]
It•compensates•the•gain•of•the•measured•100%•input•for•
actual•100%•input•value.
•
•
Set•range•:•-99.9•to•99.9%
※
•Ex)•Input•type•is•4-20mA,
•••When•20mA•is•applied•and•the•input•monitor•value•
displays•99.5%,•set•[•
SPAN
]•as
)5
and•the•input•
monitor•value•is•100.0%.•
The•principle•of•heater•break•alarm•is•load•recognition•
function.•It•measures•load•resistance•and•when•load•
resistance•value•is•higher•than•the•break•alarm•SV,•this•
alarm•operate•regardless•of•output.•
You•can•select•display•value•content•for•the•display•part•in•
RUN•mode.
•
•
Selectable•display•value•content•:•
• load•voltage•[•
U-V
,•
V-W
,•
W-U
],•load•current
••••[•
LA-U
,•
LA-V
,•
LA-W
],•power•[•
KW
],•control•input•[•
REF
]
Actual•input•signal(%)
Input•corrected•signal(%)
Output•
input•signal•
(%)
Actual•input•signal•(%)
R
R
1
R
2
R
9
R
10