I.5 Equipment description 60WKS
Design
Plug-in modules with an aluminium front panel, 19"-system, connections via module backplane
Unit s
ize
Unit Format Height Width
60WKS (servo amp.) double Eurocard 6HE (233.4 mm) 9 TE (approx. 61 mm)
Options
-24V- electronics supply from external 24 V supply
-01- limit-switch logic, 1:1-control and ramp generator
F
unction
The 60WKS series of servo amplifiers in 240 V technology are set up for driving the SM series of
synchronous servo motors with RLG/tacho-feedback and trapezoidal commutation. The power
section is implemented as a 3-phase, pulse-width modulated transistor stage.
The motor speed and the trapezoidal output currents are controlled by PI-controllers. The pha
-
se-switching of the motor and tacho windings are controlled by the electronic rotor-position sensor
(RLG) of the motor.
C
ustom p.c.b.
All the adjustment and parameters which can be altered by the user are put onto a plug-in custom
p.c.b. and are accessible from the front.
The potentiometers which are provided as standard can be replaced by fixed resistors for series
production.
V
ariants
Amplifier 60WKS-CE240/xx-PB: - power feed via 3-phase isolating transformer
- PSU, ballast circuit and ballast resistor are integrated.
Accessories
Isolating transformers : Type 3TxxK-240 (see Chapter IV)
F-backplanes : Unit connections on the rear face: via plug-in terminals for the
control signals and terminals/studs for the power connections
R-backplanes : Unit connections: plug-in terminals, accessible from the front, for
control signals and terminals/studs for the power connections
19"-rack modules : 19"-base units in various widths, with assembled F- or
R-backplanes (example 84TE, see Chapter V.6)
Compact housing : Type K1.1-L with fan and R-backplane (see Chapter V.4/5)
Chapter I General Page I - 3
Kollmorgen 12.99 Series 60WKS
The following servo amplifiers must be operated with forced ventilation :
— all 60WKS servo amplifiers with a rated output current of 12 A and above
— all 60WKS servo amplifiers with Option -24V-
— all 60WKS servo amplifiers in an ambient temperature > 40 °C
The ventilation is necessary as soon as the DC-link voltage, or even just the 24 V
auxiliary supply, is switched on, i.e. even if the servo amplifier is unloaded or
disabled.
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