The Furman PowerLink is a compact, low-cost rackmount Remote
Sequencer that provides timing and switching for up to six power
control devices, turning them on and off in a preset sequence. The
power-down sequence is opposite to the power-up sequence - the last
device to be turned on will be the first turned off, etc. The delay
interval between the turn-on or turn-off of each device and the
next device in sequence is user-adjustable from 0.2 to 10 seconds,
via an internal trimpot.
A PowerLink is intended to work with a group of relay-controlled
power outlets such as Furman MiniPorts, to create a very flexible
power control system that can expand to handle as many circuits
carrying as much current as needed.
An on or off sequence can be initiated from the PowerLink
itself, using the built-in locking key switch, or, if the key
switch is set to enable Remote operation, by one or more momentary
or maintained-action switches in distant locations.
The outputs of the PowerLink are low power relay contacts,
accessible via rear-panel screw terminal strips. Outputs may be
configured to be normally-closed or normally-open by positioning
internal 'suitcase' jumpers. All input and output commons are
electrically isolated to avoid the creation of ground loops.
Power sequencing is needed whenever various kinds of equipment
must be powered up or down in groups, rather than all
simultaneously. In audio systems, sequenced powering is often
necessary to allow turn-on transients from low level preamplifiers
and processors to settle down before any power amps are turned on.
This is because simultaneous powering can result in a loud,
annoying, and potentially destructive 'pop' reaching the speakers.
Also, In any large system whose components present an inductive
load to the AC line (including electric motors, power supplies, and
power amplifiers of all kinds), sequenced powering can avoid
excessive inrush currents that can cause circuit breakers to trip
even though the steady-state currents are not excessive.
The user has complete control of each of the PowerLink's
outputs. A three-position front panel switch for each control
output allows that output to be included in the sequence, or
permits overriding the sequence to switch that output on or off
independently of the sequence timing. Indicator LED's light up to
show when each output is in the 'on' state.
While the PowerLink is ideal for controlling MiniPorts, it can
also control Furman PowerPorts, PS-PRO or PS-8R Power Sequencers,
ASD-120 Sequenced Power Distros, or any other devices that need to
be switched when a particular time delay has elapsed. A PowerLink
can even control one or more other remotely-located PowerLinks,
providing complete power sequencing control for even the very
largest systems.
Features
- Combines with up to six power control devices to make a
complete system to provide power-up and power-down sequencing
- Actual PowerLink 'outputs' are electrically isolated,
normally-closed or normally-open relay contacts
- Each control output has a front panel status indicator
- Each control output has a three position switch allowing each
connected device to be part of the sequence, or to be switched on
or off independently
- On or off sequence can be initiated from the unit or remotely,
using low voltage control wires
- Front panel key switch for security
- Compact single rack space package
- Three unswitched AC convenience outlets -- two on the rear and
one on the front
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