Mitsubishi Electric ME96NSR Manuale Utente
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Types ME96NSR ME96NSR-MB
MITSUBISHI Electronic Multi-Measuring Instrument
User’s Manual (Simple version)
1. Safety Precaution
(Always read these instructions before using this equipment)
For personnel and product safety please read the contents of these operating
instructions carefully before using.
Please save this manual to make it accessible when required and always forward it to
the end user.
Indicates that incorrect handling may cause hazardous
conditions.
Always follow the instructions because they are important to
personal safety.
Otherwise, it could result in electric shock, fire, erroneous
operation, and damage of the instrument.
2. Content Poisonous Substance
Environmental protection use time limit
Contained name of six hazardous substances
Display
Parts name
Printed wiring
board
Electronic
parts
Case
LCD
Terminal
block
Contacts
Others
Poisonous hazardous substance or element
Pb Hg Cd Cr(VI) PBB
PBDE
: It means the content of a poisonous hazardous substance in all homogeneous
materials of the corresponding material doesn't exceed the standard that
provides.
: It means the content of a poisonous hazardous substance in homogeneous
materials of the corresponding parts exceeds the standard that provides.
3. Display and Key Functions
1
2
3
4
5
6
7
8
LEAD status
LAG status
Scale of the bar graph
Outside range
Index indicator
Bar graph status
Digital status
Unit
9
10
11
12
13
14
15
Metering status
Harmonics status
Communication
status
Alarm status
Test status
Setup mode status
Digital
4. Operation
4. 1 Display Change
By pressing DISPLAY , the measurement display will switch over.
Example of display change (display pattern:P01/phase wire : 3P4W)
4. 5 Alarm Display and How to Cancel
Display and Alarm output, How to cancel
Alarm condition:If a measurement value exceeds an alarm value, the parts of
display blink and an alarm relay contact closed.
Alarm delay time
If the condition that the limit was exceeded continues more than the delay
time, it will be in the alarm condition.
The alarm output by rush current can be prevented.
4. 2 Phase Change
By pressing PHASE , the current phase and the voltage phase will switch over.
Example of display change (phase wire : 3P3W)
4. 3 Bar Graph Display
Measurement item to be displayed on bar graph can be selected. By displaying
others than the measurement items digitally displayed, 4 elements can be
displayed at once.
Explanation of bar graph
In the bar graph, measurement elements shown by “ ” or “ ” are
displayed.
As for voltage, current, active power, reactive power, power factor,
frequency, they can be displayed on the bar graph even if they are not set to
display pattern.
Selection of bar graph
Press or , to select measurement elements to be displayed the bar graph.
DISPLAY DISPLAY DISPLAY DISPLAY
First display Second display Third display Fourth display
Current 2 phase
Power(total)
Voltage 2-3 phase
Current 3 phase
Power(total)
Voltage 3-1 phase
PHASEPHASE
Current average value
Power(total)
Voltage average value
Current 1 phase
Power(total)
Voltage 1-2 phase
PHASEPHASE
Alarm cancel
Automatic
Manual
(HoLd)
If a measurement value falls below an alarm value, alarm is automatically canceled.
After the measurement value falls below an alarm value, alarm is maintained.
The element of alarm is displayed and when RESET is pressed, alarm is canceled.
3P4W circuit / ModBus communication
3P3W 3CT circuit
CC-Link communication
Analog output
Pulse output
Alarm output
DI, DO
3P3W 2CT circuit / ModBus communication
5. Wiring Diagram
Please see the back
Normal service conditions
Wipe dirt off the surface with a soft dry cloth.
Check the following points, (at the cycle of six months to one year)
Condition of the appearance
Condition of the display
Unusual sound, a smell, and generation of heat
Condition of the wiring and the attachment
Storage conditions
Ambient temperature the :-20 to 60°C, average day temperature exceeds 35°C
Humidity range 30~85%RH, non condensing.
Atmosphere without corrosive gas, dust, salt, oil mist.
A place without excessive shocks or vibration.
Do not expose to rain and water drips.
Do not expose to direct sunlight.
An area in where are pieces of metal and an inductive substance disperse.
Disposal
When disposing of this product, treat it as industrial waste..
A battery is not used for this product.
Guarantee
The period of guarantee is earlier date of either 18 months from the manufacture date or 1 year from the sale date,
except in the case that the failure has been caused by bad handling of the product, provided that it has been installed
according to the manufacture's instructions.
Please contact the service network when the equipment has a breakdown or abnormality.
This manual is a simple version. Please contact our Service Network for a detailed version of User’s Manual.
4. 4 Maximum Value and Minimum Value Display
The maximum values and minimum values are displayed.
Display of maximum value and minimum value
When MAX/MIN is pressed, the display is changed into the maximum
value and minimum value display. And when MAX/MIN is pressed, the
display changes back to the instantaneous value display.
Reset the maximum value and minimum value
When RESET is pressed for 2 seconds or more, the displayed maximum
value and minimum value can be reset.
When RESET and are pressed simultaneously for 2 seconds or more, all
the maximum values and minimum values are reset.
Alarm cancel method
Automatic
(Auto)
Manual
(HoLd)
Display
Output
(Alarm relay contact)
Display
Output
(Alarm relay contact)
Alarm condition
ALARM , HI or LO
are blink
Closed
ALARM , HI or LO
are blink
Closed
Normal condition
State usually
Opened
ALARM , HI or LO
are lighting
Closed
State
usually
Opened
cancel
4. 6 Harmonics Display
Harmonic RMS value and distortion ratio can be displayed.
Measurement items
Harmonic total, 1st, 3rd, 5th, 7th, 9th, 11th, 13th
Degree change
When and are pressed, harmonic degree change.
When PHASE is pressed, harmonic phase change.
4. 7 Expanded Counting Display
Measurement value display and enlarged 3 digit figures of active energy and
reactive energy can be displayed.
Active energy and reactive energy display
Active energy and reactive energy are displayed on the lower stage.
Enlarged 3 digit figures
When and are pressed
simultaneously for 2 seconds,
value of active energy and reactive
energy are enlarged by 3 figures.
Wh and varh zero reset
When SET , RESET and PHASE are pressed simultaneously for 2
seconds, the measurement value of active energy(Wh) and reactive
energy(varh) are reset.
(This is effective only in the instantaneous value display.)
Example for display
Exported active energy Capacitive reactive energyExported reactive energy Inductive reactive energy
Note: This symbol mark is for China only.
Auxiliary power supply
100-240V AC, 100-240V DC
*1 For a low voltage circuit,
grounding of the secondaly side of
VT and CT in not necessary.
*2 Do not connect to NC terminal.
1
2
3
4
4
5
6
7
8
9
11
15
1214
10
13
Function of operation key
SET
RESET PHASE
DISPLAY
—
+
MAX/MIN
Function.
Display changes.
Phase changes.
Mode changes to the max./min.
display and the instantaneous display.
An alarm conditions is individually
canceled.
The item expressed with the bar graph
is changed.
All the alarm conditions is canceled.
The display of Set-up mode appears.
The display of Set value confirmation
mode appears.
SET
RESET
MAX/MIN PHASE DISPLAY
Set key
Reset key
+/– key
Maximum/Minimum
key
Phase change
key
Display change
key
: press : press on over 2 seconds — : press simultaneously
CAUTION
Use the instrument in an environment that meets the Normal service conditions as following points:
Ambient temperature :-5 to 50°C, average day temperature exceeds 35°C
Humidity :30~85%RH, non condensing.
Altitude: 1000m or less
Pollution Degree : 2
Atmosphere without corrosive gas, dust, salt, oil mist.
A place without excessive shocks or vibration.
Do not expose to rain and water drips.
Do not expose to direct sunlight.
An area in where no pieces of metal and an inductive substance disperse.
Do not expose to strong electromagnetic field and ambient noises.
CAUTION
Installation instructions
This instrument should be installed and used by a qualified electrician.
The instrument must not be powered and used until its definitive assembly on the cabinet’s door.
Verify the following points;
Auxiliary power supply and measuring ratings
Current circuits, C1, C2 and C3 are Measurement category .
Voltage circuits, P1, P2 and P3 are Measurement category .
The instrument is to be mounted on a panel. All connections must be kept inside the cabinet.
Tighten the terminal screws with the specified torque and use the suitable pressure connectors and suitable wire size.
When wiring the instrument, be sure that it is done correctly by checking the instrument’s wiring diagrams.
Be sure there are no foreign substances such as sawdust or wiring debris inside the instrument.
Do not drop this instrument from high place. If you drop it and the display is cracked, do not touch the liquid
crystal or get it in your mouth. If the liquid crystal is touched, wash it away at once.
In order to prevent invasion of noise, do not bunch the control wires or communication cables with the main
circuit or power wire, or install them close to each other.
The distance between communicational signal lines, input signal lines and power lines, high voltage lines running
parallel to each other are shown below.
Auxiliary power supply
100-240V AC
+10
-15
%(50-60Hz) 8VA
100-240V DC
+10
-30
% 5W
Ratings Voltage
Current
Frequency
277V AC phase-neutral / 480V AC phase-phase
5A (via current transformer)
50/60Hz
Conditions
Below 600V, or 600A power lines
Other power lines
Length
30cm or more
60cm or more
CAUTION
CAUTION
1. Do not connect with hot-line.
2. Do not use in the condition that the secondary circuit of CT is opened.
3. Do not use in the condition that the secondary circuit of VT is short-
circuited.
4. Wiring of the terminals have to be fastened.
(Fastening torque of instrument main body : 0.4N
•
m)
5. The wire size has to be suited for the rated current and rated voltage.
Terminals of instrument main body : AWG24~14
Terminals of option module : AWG24~14
When using a stranded wire, use a ferrule (AWG16).
Operation instructions
CAUTION
When the external terminals are connected to the external equipments, the instrument and the external equipments
must not be powered and used until its definitive assembly on the cabinet's door.
The rating of the terminal of the external equipment should satisfy the rating of the external terminal of this
instrument.
Maintenance instructions
CAUTION
Do not touch the terminals while all the circuits connected to this instrument are alive.
Do not disassemble or modify the instrument.
Do not contact a chemical dust cloth to the instrument for a long time, or do not wipe it with benzene, thinner,
alcohol.
C2
321
Load
+C1
C1
+C2
+C3
C3
P1
NC
P3
P2
K
L
K
L
k
l
k
l
K
L
k
l
CH1+
CH1-
CH2+
CH2-
CH3+
CH3-
CH4+
A
C2B
C2A
C1B
C1A
CH4-
Analog output CH1
Analog output CH2
Analog output CH3
Analog output CH4
Pulse output1
Pulse output2
Alarm output
COM
DI1+
DI1-
DI2+
DI2-
DI3+
DI3-
DI4+
DI4-
DI5+
DI5-
DO1+
DO1-
DO2+
DO2-
DC24V
DO1
DO2
C
R
R
DI1+
DI1-
DI5+
DI5-
DI1-,DI2-,DI3-,DI4-,DI5-,
are connected inside.
6. Check on Your Delivery
Parts name
User’s manual
(this document)
Attachment lug
(with screw)
Quantity
1
2
Specifications
A3 size
RS485
(Modbus)
k
K
L
321
Load
0
(
+
)
(—)
C2
+C1
C1
+C2
+C3
C3
P1
P2
P3
PN
SLD
T+
T—
Ter
NC
MB
NC
MA
SLD
K
L
l
k
l
K
L
k
l
Protective
Earthing
RS485
(Modbus)
U
V
u
v
u
v
U
V
RS485
(Modbus)
C2
+C1
C1
+C2
+C3
C3
P1
NC
P3
P2
SLD
T
+
T—
Ter
NC
MB
NC
MA
SLD
Protective
Earthing
K
L
321
Load
k
l
K
L
k
l
(
+
)
(—)
ME-0040C-NS96ME96NSR
C
R
R
DC24V
DI1
DI4
COM
C
R
R
DI2
C2
+C1
C1
+C2
+C3
C3
P1
P2
P3
PN
NC
NC
NC
NC
NC
NC
NC
MB
MA
DA
DB
DG
SLD
FG
DG
DB
SLD
DA
DI1
DI2
DI3
DI4
COM
Protective
Earthing
CC-Link
Communication
CC-Link
Communication
1
2
Sommario
Pagina 1 - Types ME96NSR ME96NSR-MB
Types ME96NSR ME96NSR-MBMITSUBISHI Electronic Multi-Measuring InstrumentUser’s Manual (Simple version)1. Safety Precaution(Always read these instruc
Pagina 2 - 8. 2 Set-up Menu 2
••••*•Press the key and the key simultaneously for 2 seconds to get in the set-up mode.Select a set-up menu number by o
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