Doc. name : OP INST MFM376 SERIES OP506-V02(Page 2 of 4)
MFM376
selec
PRG
INT
MFM376
PG / A / M
Press
“
”
Press
“
”
Press
“
”
Press
“
”
Press
“
”
SERIAL NUMBER DESCRIPTION
Press
and
key for 10sec to display serial no for 5sec.
Press
key for 3sec to toggle between AUTOMATIC /
MANUAL / DEFAULT MODE
(In AUTOMATIC mode only
first screen of all pages will be scrolled)
AUTOMATIC / MANUAL / DEFAULT MODE
Press
key for 3sec displays voltage sequence detection
on last row and on last two rows for 3P4W and 3P3W only.
PHASE DETECTION
Press
key for 3sec displays current direction detection
on last row. (Not applicable for 3 phase 3 wire)
For Zero Run Hour Selection
: Run Hour is ON Hour
For Non zero Run Hour Selection: Parameter selectable
between 1% to 10% will act as ON Hour.
CT ERROR
RUN HOUR SELECTION
NETWORK SELECTION AND WIRING INPUT
Network selection in
configuration mode
Wiring
3P4W
3P3W
3P4W, 2P3W, 1P2W
3P3W
1P2W
1P2W-R, 1P2W-Y, 1P2W-B
10
No
3P4W
5
5
No / Yes
3P4W / 3P3W /
1P2W-R/1P2W-Y
/ 1P2W-B
5 / 1
5 to 10,000
0000 to 9998
Range or
Selection
Factory
Setting
350
350
Sliding
1
15
0.01
0.1
100 to 500
100 to 500k
Sliding/Fixed
1 to 30
1 to 30
0.01 to 99.99
0.1 to 2.0
0 to 10
0
1000
0000 to 9998
1
1 to 255
FRONT PANEL DESCRIPTION
ONLINE PAGE DESCRIPTION
There are three dedicated keys labelled as
,
and
.
Use these 3 keys to read parameters. Simply press
these keys to read the parameters. Units of corresponding
parameters on display will glow automatically.
Use
key to go back to previous page in sub page.
Press
“
”
KEY
PRESS
ONLINE PAGE DESCRIPTION
1st
screen
Displays three phase average line
to neutral voltage, current and
power factor.
Displays three phase average line to
line voltage, current and frequency.
Displays three phase current.
Displays three phase line to neutral
voltage.
Displays three phase line to line
voltage.
2nd
screen
3rd
screen
4th
screen
5th
screen
Note :
1) For 3 phase 3 wire, only second, third and fifth screen
will be available.
2) For 1 phase 2 Wire displays only voltage, Current and
Power factor of selected phase in one screen.
Press
“PAGE”
1st
screen
Displays three phase active power.
Displays three phase reactive power.
Displays three phase apparent power.
Displays three phase total active
power, reactive power, apparent power.
2nd
screen
3rd
screen
4th
screen
Note :
1) For 3 phase 3 wire, only forth screen will be available.
2) For 1 phase 2 Wire displays only active, reactive and
apparent power of selected phase in one screen.
Press
“PAGE”
Press
“PAGE”
1st
screen
Displays three phase power factor.
Displays three phase phase angle.
Displays active, reactive and
apparent maximum power demand
of three phase.
Displays active and reactive minimum
power demand of three phase.
Displays active and reactive minimum
power demand of three phase.
2nd
screen
3rd
screen
4th
screen
Note :
1) For 3 phase 3 wire only first, third and forth screen will
be available.
(In first screen only average power factor will available)
2) For 1 phase 2 wire only selected phase parameters will
be displayed.
Press
“
”
Press
“PAGE”
1st
screen
Displays three phase current.
Displays total percentage harmonics of
current of three phase
Displays active, reactive and apparent
power of first phase.
Displays active, reactive and apparent
power of second phase.
Displays active, reactive and apparent
power of third phase.
Displays total active, reactive and
apparent power of three phase.
Displays active, reactive and apparent
maximum power demand of three phase.
2nd
screen
3rd
screen
4th
screen
Note :
1) For 3 phase 3 wire, only first, second, sixth, seventh and
eighth screen will be available.
2) For 1 phase 2 Wire, only first, second, third, seventh and
eighth screen of selected phase will be available.
Press
“PAGE”
KEY
PRESS
ONLINE PAGE DESCRIPTION
1st
screen
Displays three phase total reactive
energy.
Displays three phase total active
energy.
Displays three phase total apparent
energy.
Displays Run hour.
Displays Auxiliary Interrupts.
2nd
screen
3rd
screen
4th
screen
5th
screen
Press
“
”
KEY
PRESS
ONLINE PAGE DESCRIPTION
1st
screen
Displays three phase line to neutral
voltage.
Displays three phase line to line
voltage.
Displays total percentage harmonics of
line to neutral voltage of three phase.
Displays total percentage harmonics of
line to line voltage of three phase.
Displays three phase instantaneous line
to neutral voltage.
2nd
screen
3rd
screen
4th
screen
5th
screen
Note :
1) For 3 phase 3 wire, only second, forth and sixth screen
will be available.
2) For 1 phase 2 Wire, only first, third and fifth screen of
selected phase will be available.
For MFM376-C
For MFM376-230VAC
Displays three phase instantaneous line
to line voltage.
6th
screen
1st
screen
Displays three phase instantaneous
current.
Displays three phase power factor.
Displays three phase phase angle.
Displays three phase average line to
neutral voltage, current and power factor.
2nd
screen
3rd
screen
4th
screen
5th
screen
6th
screen
7th
screen
8th
screen
Displays three phase average line to
line voltage, current and frequency.
5th
screen
Note :
1) For 3 phase 3 wire, only first screen, average power factor,
fifth screen will be available.
2) For 1 phase 2 Wire, only first, second and third screen of
selected phase will be available.
Displays total apparent energy.
Press
“
”
Press
“PAGE”
1st
screen
Displays three phase maximum demand
of current.
Displays import active energy.
Displays export active energy.
Displays total active energy.
Displays import reactive energy.
Displays export reactive energy.
Displays total reactive energy.
2nd
screen
3rd
screen
4th
screen
Note :
1) For 3 phase 3 wire, all screens will be available.
2) For 1 phase 2 wire, all screens of selected phase will be
available.
5th
screen
6th
screen
7th
screen
8th
screen
Displays Auxiliary interrupts.
Displays Run Hour.
9th
screen
10th
screen
KEY
PRESS
ONLINE PAGE DESCRIPTION
There are three dedicated keys with symbol
.
Use these 3 keys to enter into configuration menu
For the configuration setting mode :
• Use
+
key for 3 sec to enter and exit from
configuration menu.
• Use
key to shift parameter value in edit mode .
• Use
key to increment the parameter and for roll over.
•
• Press
key and use
key to go back to previous page.
,
&
Setting should be done by professional after going
through this user manual and having understood the
application situation.
Note :
(Only if parameter is in edit mode)
Use
key to save the parameter value & go to next page.
CONFIGURATION
Change Password
New Password
Network Selection
CT Secondary
CT Primary
Function
Config
page.
PT Secondary
PT primary
Demand Interval Method
Demand Interval Duration
Demand interval length
Pulse Weight
Pulse Duration
Run Hour Selection
Factory Default
Reset Energy and Max Dmd
Password
Reset kWh
Password
1
1.1
2
3
4
5
6
7
8
9
10
11
12
18
17
18.1
18.01
To set value of PT and CT
Primary in "K", first set the
value in division of 100 which one want to set.
then press
key for
3 sec. It will shift the value in K with 0.1 resolution
(i.e. If want to set 500k then set 5000)
i.e. 500.0 with "K" symbol.
Slave Id
13
Parity
None
300, 600, 1200,
2400, 4800,
9600 and
19200 (bps)
None, Odd,
Even
15
Baud Rate
9600
14
1
Stop Bit
1 or 2
16
Rest kVArh
18.02
Reset kVah
18.03
Reset MAx
18.04
Reset Run Hour
18.05
Reset Interrupt
1001
Yes / No
Yes / No
Yes / No
No
No
No
0001 to 9999
Yes / No
No
Yes / No
No
Yes / No
No
Yes / No
No
Yes / No
No
18.06
For resetting energy parameter user will be promoted for
password. If correct password is entered. User will be able to
reset all energy parameters. This password will be value which
will be greater than the configuration password by 1
*
*
*
*
Marked values are only valid for MFM376-C.
*
