Fagor DDS User Manual

Selection criteria
232
5.
SELECTING CRITERIA
Ballast resistor selection guide
230
DDS
HARDWARE
Ref.1310
Once the values of Pmx and Pe are calculated, follow these flow charts:
NOTE. If you have external resistor ER+TH-/ or ER-TH-18/+FAN,
already discontinued, use this diagram to obtain the Ohm values requi-
red for each power supply.
F. H5/12
Selection of the Ballast resistor for the power supplies.
NO
NO
External
Ballast
YES
NO
Pmx >
35kWs / (1 s)
Pe > 500 WPS-25B4
YES
NO
NO
External
Ballast
YES
NO
Pmx >
36kWs / (0.6 s)
Pe > 600 W
ER+TH-18/1100//ER+TH-18/1100 or
ER+TH-18/1800//ER+TH-18/1800 or
ER+TH-18/2200//ER+TH-18/2200 or
YES
PS-65A
NO
NO
External
Ballast
YES
NO
Pe > 1800 W
YES
XPS-65
NO
NO
External
Ballast
YES
NO
Pe > 520 W
YES
XPS-25
ER+TH-18/1100 or
ER+TH-18/1800 or
ER+TH-18/2200 or
ER+TH-18/1000+FAN or
ER+TH-18/1500+FAN or
ER+TH-18/2000+FAN
= 60 kW
= 35 kW
Pmx >
18kWs / (0.6 s)
= 30 kW
Pmx >
50kWs / (1 s)
= 50 kW
ER+TH-18/1000+FAN//ER+TH-18/1000+FAN or
ER+TH-18/1500+FAN//ER+TH-18/1500+FAN or
ER+TH-18/2000+FAN//ER+TH-18/2000+FAN
ER+TH-18/1100 or
ER+TH-18/1800 or
ER+TH-18/2200 or
ER+TH-18/1000+FAN or
ER+TH-18/1500+FAN or
ER+TH-18/2000+FAN
ER+TH-18/1100//ER+TH-18/1100 or
ER+TH-18/1800//ER+TH-18/1800 or
ER+TH-18/2200//ER+TH-18/2200 or
ER+TH-18/1000+FAN//ER+TH-18/1000+FAN or
ER+TH-18/1500+FAN//ER+TH-18/1500+FAN or
ER+TH-18/2000+FAN//ER+TH-18/2000+FAN

Fagor DDS Specifications

General

Brand	Fagor
Model	DDS
Category	Servo Drives
Language	English