Rockwell Automation 1557 MEDIUM VOLTAGE AC DRIVE - Manual (Page 217)

COMMISSIONING 9-17
1557-UM050F-EN-P – June 2013
Rectifier Power Supply Readings 18-pulse Bridge
BOARD COMBINATION
POSITIVE RAIL
TP4 to TP15
NEGATIVE RAIL
TP3 to TP15
80165-178-52 with 80165-158-51/53/54 +22.50V to +23.00V -5.0V to -6.0V
80165-698-52 with 80165-158-51/53/54 +22.50V to +23.00V -5.0V to -6.5V
NOTE: Adjust the voltage at TP4 first and then verify that the voltage at TP3 is within the range
described.
Voltage Drift Limits
The maximum allowable drift range for the positive rail is between +27.25 V and +18.25 V
The maximum allowable drift range for the negative rail is between -7.0V and -4.3V
SLAVE 2 Bridge (Plus 20 Degree Winding)
1C 3C 5C
4C 6C 2C
SLAVE 1 Bridge (Minus 20 Degree Winding)
1B 3B 5B
4B 6B 2B
MASTER Bridge
1A 3A 5A
4A 6A 2A