2015 Designer's Notebook - 27
PA-90
PA-2
90 VDC
24 or 90 VDC
The PA-2 and PA-90 Power Amplifiers are designed to be
used with the VERSATEC to control magnetic particle brakes
and clutches in tension control applications. Either model
can be mounted inside any VERSATEC enclosure, and receives
its control signals directly from the tension control.
The PA-90 is used to control 90 VDC brakes and clutches
only, while the PA-2 can be used to control either 24 or 90
VDC units. With 115 VAC input, either power amplifier will
provide a -3.6 to 90 VDC, current regulated output to
accurately control a 90 VDC brake or clutch. With a 24 VDC
input, the PA-2 will provide a -1.2 to 24 VDC, current
regulated output to accurately control a 24 VDC unit.
Specifications
PA-2 (24 VDC Brakes and Clutches)
Features
Control any size magnetic particle brake
or clutch
Output is current regulated for better system
response
Selectable operating current ranges for optimum
controllability
Mounts inside either VERSATEC enclosure
Reverse current to extend torque range
is standard
PA-90
Input
24 VDC ±10%
Input
115 VAC ±10%, 50/60 Hz
Output
-1.2 to 24 VDC, with
selectable current ranges
1/8, 1/4, 1/2, 1, 2 amp max
Output
-3.6 to 90 VDC, with selectable
current ranges 1/8, 1/4, 1/2
amp max
PA-2 (90 VDC Brakes and Clutches)
Input
115 VAC ±10%, 50/60 Hz
Output
-3.6 to 90 VDC, with
selectable current ranges
1/8, 1/4, 1/2 amp max
Certifications
UL 508C Recognized
Tension Controls
27
Tension Controls
PA-90 & PA-2 Current Regulated Power Amplifiers For Versatec
Table of Contents for the Digital Edition of 2015 Designer's Notebook
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