Advanced Electronics Mx-4200/D - Open Collector Outputs; Auxiliary Supply Output; Switch Inputs

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2.7.6 Open Collector Outputs
The Mx-4100, Mx-4200 & Mx-4400 are equipped
with two open collector type outputs that can sink
up to 10mA each from the AUX Power Output.
The Mx-4800 is equipped with four open collector
type outputs (two per chassis) that can sink up to
10mA each from their respective AUX Power
Output.
These are fully programmable and can be used to
control external relays.
The connections of the base card are shown in
the diagram opposite.
No external back-emf diodes are required.
O/C1 DRIVE
AUX + (24V)
AUX + (24V)
O/C2 DRIVE
The Mx-4200 & Mx-4400 are equipped with two
open collector and six digital programmable
outputs via a 10-pin connector – see opposite.
Up to 16 outputs are available on the Mx-4800.
An optional 8-way relay card is available to
connect to this connector.
O/C1 DRIVE
OUTPUT 3
OUTPUT 4
O/C2 DRIVE
OUTPUT 5
OUTPUT 6
OUTPUT 7
OUTPUT 8
AUX + (24V)
GND (0V)
2.7.7 Auxiliary Supply Output
The Mx-4100, Mx-4200 & Mx-4400
are equipped with an auxiliary 24V
DC, 500mA power supply output.
The Mx-4800 is equipped with two
such outputs (one per chassis).
These can be used for powering
ancillary equipment and must only
be used for powering localised
internal equipment.
Base Card Connections.
BAT +
BAT –
AUX – (GND)
AUX + (24V)
FS2 BAT
FS1 Supply
Mx-4100
BAT +
BAT –
AUX – (GND)
AUX + (24V)
Mx-4200/4400/4800
2.7.8 Switch Inputs
Key switch inputs can be used for changing access level,
performing “class change” etc. by changing the “Action” of
these inputs. An optional 8 way input board is also available
for this connector.
Up to 16 key-switch inputs can be accommodated on the Mx-
4800.
Refer to separate Technical Data sheets for examples.
COMMON
COMMON
I/P 8
I/P 7
I/P 6
I/P 5
I/P 4
I/P 3
I/P 2
I/P 1
DISPLAY PCB