Mitsubishi Electric NF400-HEW, Instruction Manual

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s u r e
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E Q E P /
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[Setting screen]
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[Alarm setting
selection screen]
[Alarm setting
selection screen]
Screen [1] Screen [2]
[PAL setting check screen]
When PAL option
0
]
P A
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E
P A L
L
O F
70.
[ %
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5
] [ s
0.0
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● O N
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9.6.2 Setting method for alarms
・ Select Alarm on the setting screen and press ENTER to switch to the alarm setting selection screen.
・ The options switch as follows: PAL ⇔ IDM_AL ⇔ ILA_AL ⇔ IUB_AL ⇔ AL_Hold ⇔ PAL....
ENTER
RETURN
ENTER
RETURN
(1) Pre-alarm (PAL) setting check
・ Select PAL on the alarm setting selection screen. (Screen [1])
・
Press ENTER to open the PAL setting check screen that allows you to check the pre-alarm current (Ip) and pre-alarm operation time (Tp) setting
values for the MDU Breaker main unit. (Screen [2])
* Characteristics cannot be set (changed). Use the setting dials on the MDU Breaker main unit to change them.
* There is no setting dial for the pre-alarm operating time. The setting is 1/2 the long time delay operating time (TL).
Select with
UP/DOWN
Select with
UP/DOWN
Pre-alarm ON/OFF
Ip set ting value
Tp set ting value
Y E
N O
T
O K ?
S
S
E
[Alarm setting
selection screen]
Screen [1] Screen [2]
[Electric current demand alarm
setting display screen]
Screen [3]
S
E T
I D M _ A L
O N
O F F
I D M _ P U
[ % ]
I D M _ T
n ] [ m i
2.0
15.0
7
[ m i
15
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I D M
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72.0
I D
[ % ]
.0
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[ m i
15
M _ T
S
E T
I D M _ A L
● O N
O F F
I D M _ P U
72.0
I D
[ % ]
.0
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E ?
P I D
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●
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I D M _ A L
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72.
D M
[
1
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[ m i n
. 5 0
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]
C H A
H o l d L A _
_ A L
_ A L B I U
L A I
L I A M _ D
P A L
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[ON/OFF setting]
[Demand time
limit setting] [Allow changes screen]
Screen [4]
Screen [5] Screen [6]
ENTER
RETURN
ENTER
RETURN
ENTER
RETURN
ENTER
RETURN
ENTER
RETURN
Select with
UP/DOWN
Select with
UP/DOWN
Change with
UP/DOWN
Change with
UP/DOWN
IDM_AL
ON/OFF
IDM_AL
Pickup current
setting value
IDM_AL
Demand time
limit setting value
(2) Electric current demand alarm (IDM_AL) setting
[PU default value: 100%, TIME default value: 2 min.]
・ Select IDM_AL on the alarm setting selection screen. (Screen [1])
・ Press ENTER to switch to the electric current demand alarm setting display screen. (Screen [2])
Press ENTER, select ON (function enabled) or OFF (function disabled), and press ENTER to decide the setting. (Screen [3])
[Pickup current setting]
ENTER
To [Electric current demand
alarm setting display screen]
Select NO ⇔
YES with UP/DOWN
[2] OFF (function disabled) setting method
・ After selecting OFF from the ON/OFF setting,press ENTER to switch to the allow changes screen.Select YES and press ENTER to
decide the setting. (Screen [6])
[1] ON (function enabled) setting method
・ The pickup current setting value can be changed between 50.0 and 100.0 (per 1.0%). (Screen [4])
Press ENTER to switch to the demand time limit setting value.
・ The demand time limit setting value can be changed between 1.0 and 10.0 (per 1.0 minute) ⇔ 15.0 ⇔ 20.0 ⇔ 25.0 ⇔ 30.0
(per 5.0 minutes). (Screen [5])
Press ENTER to switch to the allow changes screen.
・
Select YES on the allow changes screen and press ENTER to decide the setting. (Screen [6])
● PAL : Pre-alarm setting display
● IDM_AL : Current demand alarm setting
● ILA_AL : Current open-phase alarm setting
● IUB_AL : Current unbalance alarm setting
● AL_Hold : Alarm reset method setting
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