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USC-3 Manual > Electrical Characteristics > Inputs

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Input ports

Input range [V]

UTh [V] [a]

Current [mA]

Cutoff freq.

Opto_In

0.0 - 24.0

2.2

-

-

Digi_In

0.0 - 24.0

2.0

-

-

Stepper_In

0.0 - 24.0

2.0

-

-

MOTF_Ch_0

0.0 - 5.0

3.0

< 1

125 kHz [c]

MOTF_Ch_1 [b]

0.0 - 5.0

2.5

< 2

250 kHz [c]

XY2-100 inputs

0.0 - 5.0

-

-

-

RS-232_In

-25.0 - 25.0

-

-

-

Analog_In

0.0 - 10.3

-

-

100 kHz

Table 2: Inputs

•Default logic level is active high for all inputs.

[a]: UTh is the input switch threshold. To increase the value, a suitable external series resistor must be added. The value of the resistor can be calculated with the formula given in the corresponding subchapters of Interfaces and Signals. The input states are:

[b]: Do not use this MOTF_Ch_1 in single-ended mode.

[c]: The cutoff frequency corresponds to a single encoder track.