389'11'9/43'3:'1 +)9/43389'11'9/43? '-+
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A
ll GP IO circuits are fully isolated from the internal electronics – inputs are opto-isolated and outputs are via relay.
The input and output signals can be either latching or momentary; this parameter is individually assigned in software via
t
he touch screen. When set to momentary the input signal trigger duration must be not less than 50mS.
If used for discrete track arming with associated tally, the tally must return to the same number input as the arming output
signal, (ie. the tally for GPI Out 1 will be on GPI In 1).
&%!&%$
All output switch closures from the console or the GP IO Box are via DIL relay. Do
not use these outputs to directly switch capacitive or reactive loads; always use a separate
external relay with suitable contact rating.
!&%$
The Inputs circuits are of the configuration shown opposite so an external voltage must be applied to trigger each input.
A voltage suitable for the input trigger is available on the output connectors and a 0V reference is provided on the input
connectors.
Refer to page 6-13 for the connector pinouts.
# % ! )
%( # %
Installation simply requires that the unit be connected to the console’s SSL Network using a standard Ethernet cable. Note
that if a MORSE router is being used, or if multiple GP IO boxes are connected to the same console, then an Ethernet
switch/hub will need to be included to provide the additional SSL network connections.
$$$ # &
The internal mains power supplies are of the fully isolated type. It is recommended that a separate earthed lead is
attached to the rear of the chassis to ensure a permanent ground connection. An M3 threaded insert is provided on the
rear panel for the ground lead.
#$$ $% $(%$
The default ‘BOX’ switch setting for the initial GP IO unit is ‘1’. If a second unit is connected to the same console network
then the address switch of the second unit will need to be set to position ‘2’ – and so on for each additional unit up to
the maximum of 15.
The ‘CONSOLE’ switch will only require adjustment in installations where there will be more than one console connected
to the same SSL network. The switch must be set to the same position as the console ID switch (located beneath the
centre control tile) in order for the console to communicate with a GP IO box. The default setting of both ID switches
is 1. Note that it is not possible for two consoles to share control of the same IO unit.
% #$
DIL Relay Ratings:
• 100V DC, 125V AC
• 100mA max.
! (#
State Indication
Steady illumination Both PSUs powered
Flashing slowly One PSU powered
$%%&$
State Indication
Flashing quickly Ethernet activity
Flashing slowly Network not connected
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