General purpose interface: gpi/gpo – Ensemble Designs 9455 3G Clean and Quiet Protection Switch User Manual
Page 29

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7435 and 9455 - page 29
Model 7435 and 9455 Clean and Quiet Protection Switches
General Purpose Interface: GPI/GPO
In addition to full monitoring and access through the control system, 9455 and 7435 modules provide
contact closure status indications. The 9455/7435 can be configured to work with external devices
through the GPI interface via the 23700048 Interface Adapter Cable. The 9455/7435 module’s GPI
output connections can drive an alarm system or other external devices, including LEDs. The module’s
two override GPI inputs are accessed through the 9 pin D connector and are enabled through Avenue
PC software. When the module’s GPI inputs are closed to ground, these overrides will force the switch
to either Primary or Secondary. The GPI inputs are edge-triggered on a negative pulse, or simply a
falling edge. These inputs may also be used to switch back to the Primary after a fault has cleared.
The 23700048 Interface Adapter Cable connects to the 15 pin D connector on the back of the Avenue
frame that is associated with the clean switch module. This cable comes with each clean switch
module and provides a 9 pin D connector for GPI/GPO control, and an Ethernet port for software
upgrades. Please see the photo below as well as the illustrations on the following page for detailed
cable and pinout information.
Connect the male 15 pin D connector
to the female 15 pin D connector on
the rear of the Avenue frame that
corresponds to the 9455/7435 clean
switch module.
9 pin female D connector
for control. Pinouts
and details are on the
following pages.
Ethernet
port for
software
upgrades.
Ensemble Designs p/n 23700048 Interface Adapter Cable, pictured below,
is included with each 9455 and 7435 Clean Protection Switch module.
This “Y” adaptor cable provides a 9-pin D connector for GPI control,
and an Ethernet connection for software upgrades.