UMG 509-PRO
44
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ATTENTION
Transmission error and material damage due to
electrical malfunction.
With a cable length of more than 30 m, there is an
increased probability of transmission errors and
damage to the device due to atmospheric dis-
charge!
Use shielded cables for the connections to the
digital inputs and outputs!
9. Digital inputs and outputs
-
+
Fig. Connection of digital inputs
9.1
Digital inputs
The device has two digital inputs.
An input signal is detected at a digital input when
a voltage of at least 18 V and at most 28 V DC
(typically at 4 mA) is present.
For a voltage from 0 to 5 V and a current of less
than 0.5 mA there is no input signal.
-
+
24 VDC
S1
S2
External
Auxiliary voltage
UMG 509-PRO
Digital inputs 1-2
Fig. Example of connection of external contacts S1 and
S2 to digital inputs 1 and 2
INFORMATION
Observe the polarity of the supply voltage.
Содержание UMG 509-PRO
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