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Merlin Gerin Varlogic NR12 User Manual

Merlin Gerin Varlogic NR12
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30
USER´S MANUAL
N.CONNEC Number of Connections
N.STEPS Number of used steps 1 6/12 12
NORMAL Normal, Standard stepping program
OPTIM Optimal program
PARAMET Parameters Menu
PROGRAM Selection of suitable stepping program between
(see 6.1 Stepping programs)
The controlers algorithm will try to reach the target
cos
inside a tolerance area dependant upon the
C/K value. It reaches the value by switching on or off
available relevant steps.
Stack
Normal
Circular A
Circular B
Optimal
SEARCH Search (response value, step sizes, wiring...)
SERIAL.N Serial Number of the product (for internal
manufacturer use)
STACK Linear stepping program
STEP.SEQ Setting of Step Size Sequence
1.1.1.1.1 - 1.1.2.2.2 - 1.1.2.3.3 - 1.1.2.4.4 - 1.2.2.2.2 -
1.2.4.4.4 - 1.2.4.8.8 -1.2.3.3.3 - 1.2.3.4.4 - 1.2.3.6.6
This concerns the Optimal program.
Step sequence are predefined with other programs and
modification request are not then taken into account
STEP.TST Step Test: each step can be manually connected and
disconnected. This facilitates testing of the operation
of each capacitor step contactor. See also Bank Test.
TEMP.LIM Temperature Limit (adjustable) 20
°
C50
°
C60
°
C
Fan switch-on limit is 15°C lower than temperature limit.
THD.U Total Harmonic Distortion of Voltage
THD.U.LIM Maximum Harmonic Distortion of Voltage (adjustable) 5% 7% 20%
U LOW Voltage too low
<85%U
N
UPTIME Uptime (Power On Hours)
VERIFY Automatic verification of parameters
VERSION Software version number (for internal manufacturer use)
VOLTAGE Input Voltage reference value for voltage alarms 80V 400V 460V
WIRING Connections of voltage and current inputs.
Example: U.L2-L3
(Voltage connected between phase 2 and 3)
Example: I.1.AUTO
(Current connected to phase 1 with automatic polarity
selection)
Current polarity selections:
DIR = direct connection
INV = inverted connection
AUTO = automatic polarity (defined by controller)
Display
information
Long form text Min
value
Default
value
Max
value

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Merlin Gerin Varlogic NR12 Specifications

General IconGeneral
BrandMerlin Gerin
ModelVarlogic NR12
CategoryController
LanguageEnglish

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