Rockwell Automation 1305 AC Drive, Series A and B, Firmware 4.xx-5.xx - Manual (Page 108)

Chapter 5 – Programming
5-36
Feature Select Group (cont.)
[Balance Angle] (FRN 4.01 and below only) Parameter # 78 Factory Default 0 [Balance Angle] (FRN 4.01 and below only)
Parameter Type Read & Write Minimum 0
This parameter determines the acceptable variation in
phase angle which is set between a balanced condition
and an unbalanced condition. A balance condition is
defined as a variation which is less than the ‘Balance
Angle’ setting. [Output 1 Config] or [Output 2 Config]
can be set to ‘‘Balance” to indicate when a balanced
condition exists. Maximum 255
Figure 5.18 Motor Unbalance
(FRN 4.01 and below only)
Phase Angle
V
ariation
0
255
[Balance Angle]
Detection Window
–0.5 Hz +1.0 Hz
[Balance Freq]
y
[Cable Length] (FRN 4.01 and above only) Parameter # 143 Factory Default “Short”
Parameter Type Read & Write
This parameter selects the length of cable that is
connected to the motor. IMPORTANT: If “Overload Fault”
(F7) occurs – choose “Long” length. Units None Settings “Short”
“Long”