Appendix a – Rockwell Automation 1305 AC Drive, Firmware 1.01-3.00 User Manual User Manual
Page 137

Appendix A –
Block Diagram and Specifications
A-5
Table A.1 Specifications (cont.)
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 15 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 for safe operation
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.