Robustel R3000 NU - Manual (Page 94)

Robustel GoRugged R3000 NU User Guide
RT_UG_R3000 NU_v.1.0.0 24.03.2014 93 / 110
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4.1.2 Digital Input
4.1.3 Digital Output
There are two digital inputs of R3000, it just
support dry contact (do not supports wet
contact).
Please check the connector interface of R3000,
you can find out “V-” easily at one of the pin of
power input connector.
There are two digital outputs of R3000.
Power negative of DC should connect
to “GND”
Please refer to connection diagram at
the right site.
Maximum
voltage/current/output
power of DO is 36VDC/0.05A/0.3W. It
means voltage difference between
Out1/Out2 and GND cannot exceed to
36VDC; the current value through
Out1/Out2 cannot exceed to 50mA.
And the output power dissipated by
Out1/Out2 cannot exceed to 0.3W.
Otherwise DO will be damaged.