Artistic Licence Rail-Switch II Kullanıcı Kılavuzu - Sayfa 4
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Overview
In
theatre,
touring
applications there are invariably some devices
that do not provide a useful form of remote
control. Rail-Switch II is an elegant solution
to the automation of these devices.
Rail-Switch II is a DIN Rail mounted device
that provides 6 mains voltage relays and is
controlled via DMX512 & RDM. Each relay
can be switched independently. The product
is powered via an external DC power supply
unit.
The product is configurable using RDM. This
is particularly useful in enabling the start
address of each relay to be set individually.
Summary of Key Features
6 mains relays
y
Relays rated at 250V AC, 8A non-
y
inductive
DMX/RDM controlled
y
LED indication for data, power and each
y
relay output
Simulated RDM sub-devices for start
y
address programming
Preset mode eliminates need for DMX
y
controller
Data loss and test modes
y
DIN Rail or surface mount
y
Connections
Input
The DMX512 input is attached via a 3-pin
screw terminal. Please refer to the connections
diagram.
Loop Through
A passive loop-through connection allows
onward connection to other DMX512 devices.
If this feature is not required then the signal
must be terminated. The product contains an
internal termination resistor. This is enabled by
fitting a wire link between the screw terminals
that will terminate the DMX line (Term and
DAT+).
Rail-Switch II User Guide
and
architectural
Output
Six relay outputs are provided. It is
recommended that the output wires are fitted
with separate ferrite cores when driving a high
current load.
Power
Rail-Switch II is be powered from an
external DC power supply (9-24 VDC). It is
recommended that a ferrite core be fitted onto
the DC power lines as close as possible to the
Rail-Switch II. This protects the unit from any
electrical spikes that appear on the DC line.
Relays
The relays energise at a DMX value of 128.
Each relay has three connections; Common,
Normally Open and Normally Closed.
Common (C)
This connection is always used and is
connected to either the open or closed pin
depending on the state of the relay.
Normally Open (NO)
This pin is not normally
connected to the Common
pin. The relay must be
energised for a connection
to be made.
Normally Closed (NC)
This pin is connected to
Common when the relay is
not energised.
Loading
Rail-Switch II uses electromechanical relays
that are rated for 8A at 250 VAC when
switching non-inductive loads. The product
can be used to drive inductive loads, or those
with high inrush currents, so long as external
surge protection is added. These devices stop
the contacts from being damaged by arcing.
Part code 'Sequence-Filter' is an external
PTC filter suitable for this purpose.
The user must also ensure that external circuit
protection such as circuit breakers or fuses
are connected in compliance with the local
wiring regulations.
NC
NO
C
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