CVM-NRG96-ITF-BACnet-C
CVM-NRG96-ITF BACnet-C POWER ANALYZER
CVM-NRG96 is an instrument that measures, calculates
and displays the main electrical parameters in three-
phase industrial power grids (balanced or unbalanced).
The measurement is taken as an RMS value by three AC
voltage inputs and three AC current inputs. (through
current transformers, I
/5A /1A). The measured and
n
calculated parameters are shown in the table of variables.
This document provides the instructions for use and describes
the operation of the CVM-NRG96 analyzer. You can download
the manual from CIRCUTOR's web site in case it is misplaced:
www.circutor.com
You must disconnect the unit from all power
supplies
before
maintenance
operations,
modifications, repairs, etc. If you suspect
an operational fault in the unit or in its protection
system, remove the unit from service. The design of the
unit makes it easy to replace in the event of a fault.
1.-
SETUP - Metering
To enter the metering setup menu, press the MAX and Min
keys for 5 seconds.
The
key validates the data and skips to the next
menu.
The MAX key can be used to select the different options in
the menu or to raise one digit if a variable is being
entered.
The MIN key is used to move the cursor between digits.
The various options are described below in sequence.
1.1.- Votage phase-phase or phase-neutral
This option allows to display the voltage phase to phase
or phase to neutral in the device:
SET U1/U2/U3: voltage phase to neutral
a)
SET U12/U23/U31: voltage phase to phase
b)
VARIABLES AND ALARM CODES
If no variable is to be programmed, select 00
Magnitude
Symbol
Phase-neutral voltage
V
Current
A
Active power
kW
Reactive power -(Ind/Cap)
kvar
Apparent power
kVA
Power factor
PF
% THD V
THD V
% THD A
THD A
Magnitude
Symbol
Active three-phase power
kW III
Three-phase inductive power
kvarL III
Three-phase capacitive power
kvarC III
three-phase ϕ cos
cos
ϕ
Three-phase power factor
PF III
Frequency (L1)
Hz
Phase-phase V L1- L2
V12
Phase-phase V L2 - L3
V23
Phase-phase V L3 - L1
V31
Apparent power
kVA III
Maximum demand
Md (Pd)
Three-phase current
AIII
Temperature
ºC
*These variables are only valid when the maximum current demand per phase has been
programmed.
1.2.- Primary winding of the voltage transformer
set PriU: programming of the value of the primary winding
of the voltage transformer (from 1 to 100,000 volts).
1.3.- Secondary winding of the voltage
transformer
SET seco: programming of the value of the secondary
winding of the voltage transformer (from 1 to 999 volts).
1.4.- Primary winding of the current transformer
SET PriA: programming of the value of the primary winding
of the current transformers between 1...10,000 amps.
1.5.- Secondary winding of the current
transformer (ver. ../5A ../1A)
SET SECA: choose the value of the secondary winding of
the current transformers between 5 or 1 amps.
1.6.- Programming the maximeter:
SET Pd Code xx: select the electrical variable to be
a)
integrated by means of the system of maximum
demand in sliding window:
Parameter
None
Active Three-phase Power
Apparent Three-phase Power
Three-phase Current
Current per phase
performing
any
Pd Per: value of the integration period of maximum
b)
connection
demand, in a period that can be configured between
1...60 minutes
CLr Pd no: deletion of the maximum value of maximum
c)
demand registered (no / YES)
1.7.- Initial start screen programming
seT iniT page: this option is used to select the screen and
form of selecting the display screens:
Fixed page: this is used to select which of the pages
a)
available will appear first of all when powering up
the analyzer.
Rotating screens: selecting the rotating screens
b)
option (when all electrical magnitudes are flashing),
will begin automatic page rotation, where each
page is displayed every 5 seconds.
1.8.- Initial start energy selection
seT iniT page: this option is used to select the energy
displayed in the device. The user must select from the
following energy meters (consumed or generated "-"):
- Active energy: kW·h
- Reactive inductive energy: kVArL·h
- Reactive capacitive energy: kVArC·h
Apparent energy: kVA·h
Code L1
Code L2
01
06
02
07
03
08
04
09
38
39
05
10
25
26
28
29
Code
Magnitude
Symbol
16
Neutral current
17
Max. demand (L1)
Md (Pd)
18
Max. demand (L2)
Md (Pd)
19
Max. demand (L3)
Md (Pd)
20
Active energy
kW.h III
21
Inductive reactive energy
Kvar·h L III
22
Capacitive reactive energy
Kvar·h C III
23
Apparent energy
KVA·h III
24
Active energy generated
Kw·h III -
34
Inductive energy generated
Kvar·h L III -
35
Capacitive energy generated
Kvar·h C III -
36
Apparent energy generated
KVA·h III -
41
-
kW III
kVA III
A III
A1 – A2 –A3
The analyzer has variables that refer to the three phases simultaneously. If these
variables are selected, the unit makes an OR type logical function, activating the alarm
flag when any of the three phases meets the triggering conditions.
Code L3
11
Magnitude
12
13
Phase-neutral voltages
14
Currents
40
Active power
15
Reactive power
27
Apparent power
30
METERING IN FOUR QUADRANTS
Code
I
37
Single phase
N
35*
42*
43*
31
Capacitive
32
Inductive
33
44
Single phase
45
46
47
48
1.9.- Backlighting time
diSP oFF: disconnection time of the display backlighting
after pressing any key on the analyzer (1...60 seconds).
When programming 00, the backlighting remains on
permanently.
1.10.- Resetting energy meters
CLr EnEr: resetting the energy values (no / YES)
1.11.- THD or d Programming
SET HAr d: this is used to select a method for calculating
the voltage and current harmonic distortion:
d: % harmonic distortion with respect to fundamental
a)
(voltage and current).
Thd: % harmonic distortion with respect to the RMS
b)
(voltage and current).
1.12.- Digital output (C)
Out 1 CodE :The digital output can be programmed for:
Generate energy impulses: the kW.h corresponding to one
impulse (100 ms) and a maximum 5 imp/s (see variable
codes) is programmed using one of the energy codes.
Value
Alarm conditions: the instant variable controlled, maximum,
00
minimum values and delay for the output is programmed
16
(see variable codes).
34
36
2.-
SETUP - Communication
A-ph
To enter the communication menu of the unit, press the
RESET key and then press
seconds until you enter the communication setup.
The configuration parameters for the device are:
a) SET PROT: Bac (BacNet)
b) Set def: no (custom), YES (default configuration*)
c) Set mac: peripheral no. 001 to 127
d) SET bAud: (speed) 9.6-19.2-38.4-76.8-115.2
e) SET Id: (Device_ID)
Set loc: unlo (unlocked), Loc (locked)
f)
*
Default configuration: 002 / 38400
2.1.- SETUP - locking or unlocking
By choosing the
Loc
it is only possible to see the programming, no parameter
can be changed. When the
password 1234 must be entered to edit the programming of
the unit.
Symbol
Code
Magnitude
V1 or V2 or V3
90
Power factors
91
Phase-phase voltages
I1 or I2 or I3
kW1 or kW2 or KW3
92
% THD V
93
% THD I
Kvar1 or kvar2 or kvar3
kVA or kVA2 or kVA3
98
Three phase
Single phase
90 º
Capacitivo
180 º
Inductivo
Three phase
Single phase
-90 º
Generated
Consumed
Power
Power
, MAX and Min for five
option, on entering metering SETUP,
LOC
option is activated, the
Symbol
Code
PF1 or PF2 or PF3
94
95
V12 or V23 or V31
THDV1 or V2 or V3
96
97
THDI1 or I2 or I3
Three phase
Inductivo
Inductive
0 º
Capacitive
Capacitivo
Three phase
M98238701-03-15A
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