Auxiliary modules
AUXILIARY MODULES
External Ballast resistors
4.
Ref.1912
· 189 ·
DDS
HARDWARE
and their technical characteristics are:
Ohm value
ACD/CMC/SCD compact units without NR model have a particular resistor
associated with them; FAGOR supplies it in an accessory bag inside the
unit package and the user must install it. This is not the case for units with
NR model for which the user must select the appropriate resistor model
depending on the energy to be dissipated in the application. Therefore, the
latter do not come with the resistor in the accessory bag of the unit and it
must be requested separately.
Use the attached table to select the external Ballast resistor for your power
supply with enough RMS power to dissipate the energy generated while
braking.
Internal thermostat
Contact Normally Closed
Contact opening temperature 160°C (320ºF) ±10 %
Rated voltage 250 V AC
Rated current 2 A
Wire section 0.25 mm²
External thermostat
Protection degree IP 20
Contact Normally Closed
Contact opening temperature 200°C (320ºF) ±10 %
Rated voltage 250 V AC
Rated current 2.5 A
Wire section 0.25 mm²
WARNING. When connecting an external braking resistor other than the
one shown in table T. H4/9 make sure that its Ohm value is the same as that
of the internal Ballast resistor of the unit. Verify it in the technical
characteristics table of the corresponding power supply in chapter 2 or of the
corresponding compact drive in chapter 3 of this manual.
T. H4/9 Possible braking resistors to be installed on power supplies.
Required Ohm values.
MAIN POWER
SUPPLY
OHM RMS
POWER
RESISTOR
MODEL
PS-25B4
18
950 W ER+TH-18/1100
1.3 kW ER+TH-18/1800
2.0 kW ER+TH-18/2200
2.0 kW ER+TH-18/1000+FAN
3.0 kW ER+TH-18/1500+FAN
4.0 kW ER+TH-18/2000+FAN
XPS-25
18
950 W ER+TH-18/1100
1.3 kW ER+TH-18/1800
2.0 kW ER+TH-18/2200
2.0 kW ER+TH-18/1000+FAN
3.0 kW ER+TH-18/1500+FAN
4.0 kW ER+TH-18/2000+FAN
PS-65A
9
1.9 kW 2x ER+TH-18/1100 in parallel
2.6 kW 2x ER+TH-18/1800 in parallel
4.0 kW 2x ER+TH-18/2200 in parallel
4.0 kW 2x ER+TH-18/1000+FAN in parallel
6.0 kW 2x ER+TH-18/1500+FAN in parallel
8.0 kW 2x ER+TH-18/2000+FAN in parallel
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