Eurotech ReliaGATE 10-14 Series, User Manual

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ReliaGATE 10-14 User manual Rev. 0-10 12 How to use the interfaces in Linux
12.4 How to use the Digital I/Os
The ReliaGATE 10-14 includes 4 opto-isolated inputs and 2 opto-isolated outputs. These IOs are provided
by GPIO lines which are available through the
sysfs interface.
The table below shows the GPIO line associated with each IO:
IO Line # GPIO
Dig In1 106
Dig In2 107
Dig In3 96
Dig In4 97
Dig Out1 42
Dig Out2 43
EXAMPLES:
To turn ON Dig Out1, enter the following command:
gpio_utility gpio42 1
To read the status of Dig In1, enter the following command:
gpio_utility gpio106
For more information see: "General Purpose IO" on page 63 .
NOTICE
Never try to change the directions associated with the Digital IO lines.
These are set during initialization of the system and damage may occur if they are set
incorrectly.
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