Pentacon DSP-56 User manual

1
ATTENTION!
This is recommenced that only qualified engineers/electricians should
perform the installation. Before connecting the controller, in-comming
voltage should be checked for in-range voltage rating of controller. Care
should be taken that low and high voltage than the device rating would
damage the controller.
Operation Manual
DSP-56 model
PENTACON ELECTRO-CONTROL (INDIA)

CONNECTION
Compare voltage and current of the device. Assemble the apfc relay in
capacitor switching panel with the two side clamps. Connect the apfc relay
according to wiring diagram. It is strongly recommended the phase given
to the relay should be same phase on which ct is installed. If the polarity
of ct is reversed the display on screen is `r.ct` (interchange the ct connection)
L1
L2
L3
N
LOAD
CT ---/5A
2
Use separate neutral for APFC relay do`t connect with contactors or
indicators neutral
Stage
1 to 8
L1
L2
L3
N
N
PCT ---/5A
S2
S1
C
1
2
3
4
5
6
7
8

OTHER PARAMETERS` DISPLAY MODE SELECTION :
For selection to display the other parameters, press and hold the `UP`
and `DN` keys simultaneously the screen will change in sequence PF, Ult
and AmP release the keys when desired parameter comes on screen. PF
is default display, any power failure will lead to display the power factor
on priority basis.
Voltage and Ampere are true RMS value, ct primary should be entered to
display the actual value. There is no effect of ct ratio on power factor.
3
CT Ratio : CT ratio is require to enter for accuracy of other electrical
parameters, there is no effect of CT ratio on power factor.
Default factory setting is 100/5A.
Step Delay : Step delay is the time taken between two continuous on
or off the steps. Setting Range - 1 to 20 (0.5 second to 10 seconds)
Default factory setting - 6 (2 seconds)
On Delay : On delay is the time between as H/L led becomes green and
first step switched on. It is fold time of step delay.
Setting Range - 1 to 20
Default factory setting - 2
example : On delay = (step delay) x 2 = 4 seconds (factory default)
Off Delay : off delay is the time between as H/L led becomes red
and first step switched off. It is also fold time of step delay.
Setting Range - 1 to 20
Default factory setting - 3
example : off delay = (step delay) x 3 = 6 seconds (factory default)
Sensitivity % of CT Current : This is the minimum set load
in % (percentage), above this set value controller comes in normal
working mode. (Below this lavel will display `L.ct` on screen.)
Setting Range - 1% to 20%, default factory setting - 2%

4
Reset on Factory Setting: In case of any of parameter is not in
it`s proper range or it has been disturbed any how, the controller could
be reset on default factory settings.
Manual capacitor Switching: `UP` and `DN` keys are also provided
an additional function to manually switch on and off the stages.
This is not a permanent function, the apfc controller will follow the normal
automatic working rule after releasing the key.
Capacitor Recommendation: It is strongly recommended that the
capacitor should be in ascending order from stage output 1 to stage output
15 for perfect result.
Example- 1, 2, 4, 8 and so on.
Dead Band Explanation: Dead Band is provided for, to prevent
frequently switch on/off the stages on small variation of power
factor. It could be understand by the figure as given below.
Power factor is set to 1.00 and dead Band is set to 2. The controller will start to switch on the stages when power
factor is below than 0.98 (1.00-2=0.98) in lag side and start to switch off the stages when power factor is below
than 0.98 in lead side. In between the controller will hold the stages that would be `no action zone`.
SET DEAD BAND=2
. . . . . . . . . .0.95 0.96 0.97 0.98 0.99 1.00 0.99 0.98 0.97 0.96 0.95
LEAD
LAG
SET PF=1.00
No action in this zone

5
Display and Indication :
DPS-56 model is a simple user friendly apfc relay, with primary task of
power factor correction.
1. Lag led - Power Factor is lagging.
2. Lead led - Power Factor is leading.
3. 1 to 8 led - Stage output indication.
note: `L.ct`on screen is indication for low/no current. Low current means
current is less than set % value of ct primary in `Lod`. In case of, if current
is above than set % value of ct primary, check the entire wiring line of ct
and their joints if any and ct itself.
Explanation of Short Form of Display :
Power Factor
VOLTS
AMP
CT RATIO
Step Delay
On Delay
Off Delay
Set Load % Setting (selection)
Reverse CT
Low Current
Done (act complete)
Dead Band
CALIBRATION

6
SETTINGS EXPLANATION :
There is separate and fast arrangement for setting power factor and
dead band.
SET PF : Press `SELECT/ENTER` and `UP` key simultaneously at least
for 4 seconds, the screen is refreshed by `PF`, now release the keys, last
saved pf along with lag or lead indication displays on screen and blinks,
now press the UP or DN key to increase or decrease the set power factor,
to save the value release the key and press SELECT/ENTER, screen will
refreshed by `don`, the value is saved.
Range - 0.80 lag ---- 1.00 ---- 0.80 lead
Default set value - 1.00 lead
DEAD BAND : Press `SELECT/ENTER` `DN` key simultaneously at
least 4 seconds, screen is refreshed by `dbn`, now release the keys the last
saved dead band displays on screen and blinks, now press the UP or DN
key to increase or decrease the dead band, to saved value release the key
and press SELECT/ENTER, screen will refreshed by `don`. The value is
saved.
Range - 1 to 5
Default set value - 2
Settings of Variables : For setting the variables press the key
`SELECT/ENTER`, `SEt` displays on screen. Release the key first`S.dL`
will comes on screen, that is step delay now press the key `UP` or `DN`to
change the parameters, release the key when desire parameter comes to
set. Now press the `SELECT/ENTER` key, the value of the parameter would
display on screen, press `UP` or `DN` key to increase or decrease the value.
After setting again press the`SELECT/ENTER` key to save the new value.
Display would be refreshed by `don`. The new value is saved.

7
SETTINGS FLOW CHART
release
select
enter
Press & Hold
select
enter
UP
DN
press
select
enter
Value saved
press
select
enter
Value saved
press
select
enter
Value saved
press
select
enter
Value saved Factory default
value saved
(CT primary)
(Step Delay) (On Delay) (Off Delay) (% Current
Sensing)
UP
DN
UP
DN
UP
DN
UP
DN
UP
UP
DN
UP
DN
UP
DN
UP
DN
UP
DN
UP
DN
Facory Use
press
select
enter
press
select
enter
Value saved
No Action

PENTACON ELECTRO-CONTROL (INDIA)
G-60, Sector-1, Bawana Industrial Area, Delhi-110039.
India.
mob : [phone]
Web : www.pentaconindia.com
E-mail : [e-mail]
8
Technical Specifications :
Working Voltage : 90V to 285V (Phase & Neutral)
Current Transformer : 5A direct or through --/5A ct
Class : 1 to 3, Burden 5VA
Harmonics Effect : Performance un-efected
Switching Time Delay : Adjustable, 0.5 second to 10 seconds
Switching Contacts : 1 Amps, 250V AC (max)
Switching Sequence : Last in Last out (Special Switching)
Display Power Factor : 0.01 Lag --------1.00------- 0.01 Lead
Other Display : VOLT, AMP & Power Factor (default)
Targeted Power Factor : 0.80 Lag to 0.80 Lead
Nominal Temperature : -10 degree to +50 degree centigrade
Connection : Plug in Terminal Block
Stages : 4, 6, 8 Stages Standard
Dimensions : 96 mm x 96 mm x 85 mm
Weight : 280 grams