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Chapter 12 Descriptions of Parameter Settings | IED-S
Setting
Value
BY1NC (N.C. contact of Brake-1
27
contactor (BY1))
BY2NC (N.C. contact of Brake-2
28
contactor (BY2))
BY3NC (N.C. contact of Brake-3
29
contactor (BY3))
30
BK1 (Brake-1 travel switch)
31
BK2 (Brake-2 travel switch)
32
BK3 (Brake-3 travel switch)
33
LSU (Upper limit switch)
34
LSD (Lower limit switch)
ULS1 (First one upward forced
35
deceleration)
ULS2 (Second one upward forced
36
deceleration)
ULS3 (Third one upward forced
37
deceleration)
DLS1 (First one downward forced
38
deceleration)
DLS2 (Second one downward forced
39
deceleration)
DLS3 (Third one downward forced
40
deceleration)
IUS (Inspection uppermost limit
41
switch)
IDS (Inspection lowermost limit
42
switch)
43
PARK (Elevator lock)
FIRM (Main landing recall at fire
44
emergency)
FIRS (Secondary landing recall at fire
45
emergency)
46
FIRS1 (Fireman class I)
47
FIRS2 (Fireman class II)
48
FLOOD (Not auto-reset at flood)
49
FLOODA (Auto-reset at flood)
50
MTS (Motor temperature overheat)
51
ERP (Seismic P-wave)
52
ERS (Seismic S-wave)
53
ERH (Severe earthquake)
54
EPS (Emergency Power Supply)
MI Function
12-06-4
Description
N.C. contact of brake contactor (BY). Used to detect
whether the BY contactor (relay) sticks or not.
The switch to detect whether the brake releases or
engages. When LED indicator is ON, the brake
releases. When LED indicator is OFF, the brake
engages.
When LED indicator is ON, the elevator has reached
the limit switch. LSU and LSD limit that the elevator
can only run between the upper and lower limit
switch.
1. To ensure safety, when the car is near two ends of
the hoistway, forced deceleration is triggered to
force the elevator decelerate.
2. For upward forced deceleration switch, the
smaller the switch number, the closer the car is to
the top floor.
3. For downward forced deceleration switch, the
smaller the switch number, the close the car is to
the bottom floor.
4. The switch is triggered when the LED indicator is
ON.
Activates when LED indicator is ON. Inspection
upward is unavailable at this time.
Activates when LED indicator is ON. Inspection
downward is unavailable at this time.
Runs the elevator lock when LED indicator is ON.
Executes returning to main landing at fire
emergency when LED indicator is ON.
Executes returning to secondary landing at fire
emergency when LED indicator is ON.
Executes fireman class I when LED indicator is ON.
Executes fireman class II when LED indicator is ON.
1. An error is detected by pit flood switch when LED
indicator is ON.
2. When FLOOD switch is reset, it remains at flood
and does not return to normal until it changes to
inspection switch.
3. When FLOODA switch is reset, it returns to
normal.
Temperature is normal when LED indicator is ON.
Switch for minor earthquake (P-wave). Earthquake
occurs when LED indicator is ON.
Switch for small earthquake (S-wave). Earthquake
occurs when LED indicator is ON.
Switch for severe earthquake. Earthquake occurs
when LED indicator is ON.
A signal indicates that mains electricity is powered
off. Executes safety landing during power-off when
LED indicator is ON.
Difference between EPS (MI=54) and UPS (MI=67):
EPS: The elevator can automatically determine to
execute upward safety landing or downward safety
landing.
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