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smartCUE Interfaces | User Manual | Control Ports

GENERAL I/O

General I/O provides analog input as well as digital output. Each General I/O port can be used either as input

or as output.

Pull-up resistor 680 ohms is connected to +5 VDC and can be switched on and off for each I/O

independently. I/O voltage with pull-up on is approx. +4.3 VDC, because protection diode is connected in

series (0.7 V drop down). Analog input is rated 0 – 20 VDC.

Analog to digital (A/D) converter has 12-bits precision (i.e. 4096 levels). Digital output can switch max. 24

VDC / 80 mA. Output voltage for output switch on is approx. 0.6 V.

Schematic diagram

value CLOSE / OPEN

680 Ohm

value ON / OFF

ON OFF

+5 VDC

Input / Output Signal

Ground

12 bit

INPUT

OUTPUT

PULLUP

Connector pin out

GENERAL I/O

5-pin 3.5 mm Pin Signal Description

S S GS S

1 2 3 4 G

S Signal Input / Output Signal 1 - 4

G GND Common ground for all I/Os

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 31 32

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