Fairford synergy, Руководство пользователя

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Synergy Series Soft Start User Manual
MAN-SGY-017. Version 01. 27/06/2016
57
3.9 Advanced Menu (continued)
Menu
Description Min Max Default Unit Reg. Type
PNU 53792
Advanced
Motor Protection
Overload Settings
Overload Trip
The Unit has an "Overload"
function that is an electronic
equivalent to a thermal overload.
On : The Unit will trip when the
"Overload" capacity
(ModbusPNU 33408) exceeds
100%
Off: The Unit will continue to
operate regardless of motor
current level.
Not recommended
Off On On Read/Write
PNU 28224
Advanced
Motor Protection
Overload Settings
Overload Level
Determines the level in Amps at
which the overload will start.
Normally set to 115% of the set
motor current (i-motor)
Reduce to speed up trip
response
50% I-
motor 125% I-
motor 115% I-
motor A Read/Write
PNU 21120
Advanced
iERS
↓
iERS
Enables and disables the
intelligent Energy Recovery
System feature (iERS).
On : The voltage to the motor
will be regulated to ensure
optimum efficiency.
Off : The feature is disabled and
the motor operates at full
voltage. Internal bypass closed
Off On On Read/Write
PNU 7360
Advanced
iERS
↓
Dwell Time
The time from the End of the
start to the point where the iERS
saving mode becomes active.
Normally set to 5 seconds to
ensure the motor is at full speed
before the iERS saving becomes
active
Increase to allow time for the
motor to stabilise.
1 300 5 s Read/Write
3. Configuration and Parameters (continued)