Справочник Пользователя для Schneider Electric FBZ2

7

Load current(In) exceeds threshold(Is)

Definite(Def) : 0.2~30s Adjustable

Setting Range : 0.5~80A(Def), 0.5~32A(Inv & th)

Inverse(Inv) & Thermal(th) : 1~30 Class

Load current(In) less than threshold(uc) In <= uc

oFF, 1~30s Adjustable

uc should be less than oc Setting

max imbalance is more than 85% among 3 phase current,

oFF, 0.5~5s Adjustable

Enable or disable : Selectable

Reversed phase sequence input on EOCR.

Within 0.15s

Enable or disable : Selectable

Active only in motor starting, In 

≥

Stall threshold (Sc

×

OC).

Setting Range : Adjustable

Immediately after D-Time elapsed

2~8 times of oc setting if Sc

×

OC doesn

’

t exceed 250A

Active only in motor running, In 

≥

Jam threshold (JA

×

OC).

Setting Range : 

0.2~10s Adjustable

1.5~8 times of oc setting if JA

×

OC doesn

’

t exceed 250A

Current unbalance 

≥

threshold1~10s Adjustable.

Setting Range : 10~50%

1~10s Adjustable

Unbalance[%] = 100 

×

(Max phase current 

-

Min phase current)/

Max phase current

EF current(Ie) exceeds threshold(Ies)

0.1~10s Adjustable

Setting Range : oFF, 0.03~10A

Password 

Secure configuration, available only with i3BZ/iFBZ

Communication 

Serial network communication for monitoring of metering, status, and fault history

Fail Safe 

Enable/Disable fail-safe operation of OL trip output

Phase selection 

Select a Single-phase motor or 3-Phase motor

Total Running-Hour 

Record of total running from installation which cannot be modified or cleared

Running-Hour 

Accumulated running hour from preset point which can be cleared to zero, when motor stops

Fault History 

Records for recent 3 faults each phase current which stored in a non-volatile memory

Limitation of autoreset attempt

Block auto-reset if the reset count exceeds the pre-set count within 30 minutes

Modbus RTU 

RS-485  

1.2, 2.4, 4.8, 9.6, 19.2, 38.4 kbps 

Maximum 1.2kM

Depend on the environment

RS-485 Shielded Twist 2-Pair Cable