Lenze 8600 series - Page 42

.
1.
If the above conditions do not apply, you tan determine the
suitable brake resistor as follows:
Determine the resistance:
Resistance [Q] 2
required brake peak power
Depending on the unit the resistances must not fall below theDepending on the unit the resistances must not fall below the
following values:following values:
Controller typeController type 18601 18602 18603 18604 18605 18606 1860718601 18602 18603 18604 18605 18606 18607
Min. resistancetMin. resistancet 118OD Il8OC2 1180C2 [18Ot2 1180R IIOOR IIOOQ 118OD Il8OC2 1180C2 [18Ot2 1180R IIOOR IIOOQ
Controller type
Min. resistance
18608 18609 18610 18611 18612 18613 18614 18615
I33n j33a I33n 133a Ii5a 115R Im 115a
2.
Determine the rated power of the brake resistor:
Rat& power [W] 2 Operating time
765* V2
[ 1
Cycle time Resistance [Q]
-
The permissible continuous power of the internal brake chopper
does not restritt the unit. lt corresponds to the max. permissible
brake power.
3. Determine the thermal capacitance of the resistor:
Thermal capacitance [KWs] 2
765* [V*]
Resistance [fi]
max. brake time
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