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User Manual for ALP442e & ALP442e-MIC
J1:
VHDCI 68 pins, female
J2:
VHDCI 68 pins, female.
J3: Connector for inter-card synchronisation
14.5 How to use the GPIOs
14.5.1 GPIs
The eight GPIs are dry contacts, as shown on the diagram below. It is not necessary to connect a
voltage to the GPIs.
When the GPI pin is not connected to the ground, the GPI status is OPEN.
When the GPI X pin is connected to the ground, the GPI status is CLOSED.
14.5.2 GPOs
The eight GPOs are opti-relays, as shown on the diagram below.
The contact between GPO_COM and GPO-NO is made when the CLOSED command is sent.
GPOs support a maximal voltage of 48VDC and a maximum current of 500 mA.
ALP882e & ALP882e-MIC
,
Connector
Connector
for
analog
for
digital
I/Os
I/Os
64
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