Allen-Bradley 2-D Manual do Utilizador descarregar pdf (Página 142)

Block Diagram and Specifications

A-5

Table A.1 Specifications (continued)

Motor Protection➀ Electronic Overload Protection. Adjustable from 20% to 115% (Motor FLA)

Overload Pattern #0 Flat response over speed range (no current derating)

Overload Pattern #1 Current derating below 25% of Base Speed

Overload Pattern #2 Current derating below 50% of Base Speed

Accel/Decel Time(s) 0.1 to 3600 Seconds, independently set (2 Accel, 2 Decel)

Preset Speeds 0 to 400 Hz, 7 selections, independently set

Jog Input 0 to 400 Hz

Stopping Modes 4 modes programmable

Ramp to stop 0.1 to 3600 seconds

Coast Stops all PWM Output

DC Brake to stop Applies DC Voltage to the Motor for 0 to 150 seconds

S-Curve Ramps to stop with S-Curve profile

PROTECTIVE FEATURES

Excessive Temperature Embedded temperature sensor trips if factory preset level is exceeded➁

Over/Under Voltage DC Bus voltage is monitored

Power Ride Through Minimum ride through 15mS under nominal conditions

Control Ride Through Minimum ride through is 0.5 Seconds – typical value 2 seconds

Ground Short Any output short to ground, detected prior to start

Line Voltage Transients Inherent MOV (varistor) protection

Output Short Circuit Inherent short circuit protection provided within IPM

➀ See Page 5-12 for NEC and UL information.

➁ Conditions such as ambient temperature, overload, duty cycle, etc. can affect tripping time.

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Allen-Bradley 2-D Manual do Utilizador Página 142