Chapter 9 Peripheral Devices
9-6
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4) Dimensions
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- Group 1
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- Group 2
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5) Display Functions
DB Resistors connect with B1, B2 of DB Unit. DBU has 3 LEDs. Red LED which is located in middle displays
supplying main power, one Green LED which is right side displays under breaking and another green LED which is
left side displays Over Heat Trip(OHT).
Displays Function description
POWER
(Red LED)
POWER LED is turned On when main power is supplied.
Generally, POWER LED is turn On while main power supplied because DBU is connected
with inverter.
RUN
(Green LED)
RUN LED is turned off while DBU is ON by regenerative energy of Motor.
OHT
(Green LED)
Under Breaking, if the temperature is exceeded over setting value due to over heat of
Heatsink, Cut the TURN ON signal of DBU and LED is turn on by working overheat protection
function.
DBU Terminals Description
B1,B2 Wire correctly referring to wiring diagram. DB Resistors connect with B1, B2 of DB Unit.
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ynamic
R
T
S
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(P2)
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V
D
B1
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B2
B2
B1
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nit
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kin
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ګڪڲڠڭٻ
ڭڰکٻ
ڪڣگٻ
ڪڞگٻ
ڍڎڌډڐٻ
ڌڍٻ
ڌڐ
ڍڒٻ
ڌڎڋٻ
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