Parameter Table - LOVATO ELECTRIC DCRL8 Manuel D'instructions

PARAMETER TABLE

– Below are listed all the programming parameters in tabular form. For each parameter are indicated the possible setting range and factory default, as well as a brief explanation of the function of the parameter.
The description of the parameter shown on the display can in some cases be different from what is reported in the table because of the reduced number of characters available. The parameter code can be used
however as a reference
– Note: the parameters shown in the table with a shaded background are essential to the operation of the system, thus they represent the minimum programming required for operation.
BASE MENU
CODE DESCRIPTION
P.01 CT primary
P.02 CT secondary
P.03 CT read phase
P.04 CT wiring polarity
P.05 Voltage read phase
P.06 Smallest step power
P.07 Rated capacitor voltage
P.08 Nominal frequency
P.09 Reconnection time
P.10 Sensitivity
P.11 Step 1 function
P.12 Step 2 function
P.13 Step 3 function
P.14 Step 4 function
P.15 Step 5 function
P.16 Step 6 function
P.17 Step 7 function
P.18 Step 8 function
P.19 Cos-phi setpoint
P.20 Alarm messages language
P.01 – The value of the primary current transformer. Example: With CT 800/5A set 800. If set to OFF, after the power-up, the device will prompt you to set the CT and allow direct access to this parameter.
P.02 – Value of the secondary of the current transformers. Example: With CT 800/5A set 5.
P.03 – It defines on which phase the device reads the current signal. The wiring of current inputs must match the value set by this parameter. All possible combinations of parameter P.05 are supported.
P.04 – Reading the connection polarity of the CT.
AUT = Polarity is automatically detected at power up it. Can be used when working with only one CT and when the system has no generating device.
Dir = Automatic detection disabled. Direct connection.
Inv = Automatic detection disabled. Reverse wiring (inverted).
P.05 – Defines on which and on how many phases the device reads the voltage signal. The wiring of voltage inputs must match the setting for this parameter. All possible combinations of parameter P.03 are
supported.
P.06 – Value in kvar of the smallest step installed (equivalent to the step weight 1). Rated power of the capacitor bank provided at the rated voltage specified in P.07 and referred to the total of the three capacitors for
three-phase applications.
P.07 – Rated plate capacitor, which is delivered in specified power P.06. If the capacitors are used to a voltage different (lower) than nominal, the resulting power is automatically recalculated by the device.
P.08 – Working frequency of the system:
Aut = automatic selection between 50 and 60 Hz at power on
50Hz = fixed to 50 Hz
60Hz = fixed to 60 Hz
Var = variable, measured continuously and adjusted.
P.09 – Minimum time that must elapse between the disconnection of one step and the subsequent reconnection both in MAN or AUT mode. During this time the number of the step on the main page is blinking.
P.10 – Connection sensitivity. This parameter sets the speed of reaction of the controller. With small values of P.10, the regulation is fast (more accurate around the setpoint but with more step operations). With high
values instead there are slower reactions of the regulation, with fewer operations of the steps. The delay time of the reaction is inversely proportional to the request of steps to reach the setpoint: waiting time =
(sensitivity / number of steps required).
Example: Setting the sensitivity to 60s, a request to insert a step of weight 1 time will be 60s (60/1 = 60). If instead a total of 4 steps are needed, time is 15s (60/4 = 15).
ACC UoM DEF RANGE
Usr A OFF OFF / 1...10.000
Usr A 5
Usr L3
Usr Aut
Usr L1-L2 L1-L2
L2-L3
L3-L1
Usr Kvar 1.00 0.10 ... 10000
Usr V 400V 50 ... 50000
Usr Hz Aut
Adv sec 60 1 ... 30000
Usr sec 60 1 ... 1000
Usr OFF
1...32
A01...A13
Usr OFF
Usr OFF
Usr OFF
Usr OFF
Usr OFF
Usr OFF
Usr OFF
Usr 0.95 IND 0.50 Ind – 0.50 Cap
Usr ENG
G
B
1 / 5
L1
L2
L3
Aut
Dir
Inv
L1-N
L2-N
L3-N
Aut
50Hz
60Hz
Var
OFF
ON
NOA
NCA
FAN
MAN
AUT
=
=
=
=
=
=
=
ENG
ITA
FRA
SPA
POR
DEU
7