MultiCam Boards Documentation > PICOLO series Documentation > PICOLO Diligent Handbook > Board Specifications > DC/AC Characteristics > Professional Inputs

Professional Inputs

ProfessionalIEqSch

Equivalent schematic

Professional inputs characteristics

Parameter

Symbol or conditions

Value

Unit

Min.

Typ.

Max.

Open threshold

Rth

2

4

9

Measurement current

Imeas

±130

μA

Voltage threshold (TTL input)

Vth-TTL

1

1.5

2

V

Voltage threshold (+12 V input)

Vth-12V

5

6

7

V

Maximum differential input voltage (not operating)

Vdiff-max

±27

V

Maximum input voltage (not operating)

Vcom-12V

-27

+27

V

Input voltage range to correctly interpret OPEN/CLOSE states on contacts

-3

+6

V

Input voltage range to correctly interpret HIGH/LOW states on 5V signals

-11

+14

V

Input voltage range to correctly interpret HIGH/LOW states on 12V signals

-11

+14

V

Input voltage range to correctly interpret HIGH/LOW states on 24V signals

-24

+26

V

Common-mode noise immunity from DC to 20 MHz (filter set to 100 ms)

8

V

Input state sampling period

4

ms