Toshiba 48-1250 A Manual Do Utilizador

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TOSHIBA - 2
TX  Series
   48 - 1250A
1.2 Specifications (continued)
Two Stage Electronic
Overload Curves
Starting: programmable for Class 5 - 30 or locked rotor time.
Run: Programmable for Class 5 - 30 when "At-Speed" is detected.
Overload Reset 
Manual (default) or automatic
Retentive Thermal Memory
Overload circuit retains thermal condition of the motor regardless of control 
power status. Unit uses real time clock to adjust for off time.
Dynamic Reset Capacity
Overload will not reset until thermal capacity available in the motor is enough 
for a successful restart. Starter learns and retains this information by monitoring 
previous successful starts.
Phase Current Imbalance
Protection
Imbalance Trip Level: 5 - 30% current between any two phases
Imbalance Trip Delay: 1 -20 seconds
Over Current Protection
(Electronic Shear Pin)
Trip Level: 100 - 300% of motor FLA while running not starting or OFF
Trip Delay: 1 - 20 seconds
Load Loss Trip Protection
Under Current Trip Level: 10 -90 % of motor FLA or OFF
Under Current Trip Delay: 1 - 60 seconds
Coast Down (Back Spin)
Lockout Timer
Coast Down Time Range: 1 - 60 minutes or OFF
Starts-per-hour Lockout Timer
Range: 1 - 6 successful starts per hour 
Time between starts: 1 - 60 minutes between start attempts
Type / Rating
Form C (DPDT), Rated 5 amps 240 VAC max, (1200 VA)
Run Indication
Start/Stop or Start/End of Decel
At Speed Indication
At Speed/Stop or At Speed/End of Decel
Acceleration Adjustments
Programmable Ramp Types: Voltage or Current Ramp (VR or CR)
Starting Torque: 0 - 100% of line voltage (VR) or 0 - 600% of motor FLA (CR)
Ramp Time: 1 to 120 seconds
Current Limit: 200 - 600% (VR or CR)
Dual Ramp Settings
4 Options: VR1+VR2; VR1+CR2; CR1+CR2; CR1+VR2
Dual Ramp Control: Ramp 1 = Default 
Ramp 2 = selectable via dry contact input
Deceleration Adjustments
Begin Decel Level: 0 - 100% of line voltage
Stop Level: 0 to 1% less than Begin Decel Level
Decel Time: 1 - 60 seconds
Programmable to decel or coast to stop upon overload trip
Jog Settings
(Function selected via
programming input)
Voltage Jog: 5 - 100% or OFF
Time of Voltage Jog: 1 - 20 seconds
Current Jog: 100 - 500%
Kick Start Settings
Kick Voltage: 10 - 100% or OFF
Kick Time: 0.1 - 2 seconds
Fault Display
Shorted SCR, Phase Loss, Shunt Trip, Phase Imbalance Trip, Overload, 
Overtemp, Overcurrent, Short Circuit, Load Loss, Undervoltage or Any Trip
Lockout Display
Coast Down Time, Starts Per Hour, Time Between Starts, and Any Lockout
Programmable Outputs
Advanced Motor Protection