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Konnect Optical I/O Expansion Board

Konnect expands the I/O for KFLOP by adding 16 optically isolated outputs and 32 optically isolated inputs for high-voltage I/O applications and for situations where there is a potential for spikes in voltage that need to be isolated from KFLOP. This makes expansion of KFLOP to high-quantity industry-standard 24V optically isolated I/O easy and low cost. Add as many as 4 Konnects for up to 192 channels of I/O.

Outputs are all fully isolated for sinking or sourcing current independently per output channel. Maximum output current of 0.25A permits driving of up to 6W relays, solenoids, or other loads directly. Inputs are grouped into 4 independent banks to allow each bank to be driven from a different source, voltage, or polarity. Each input bank has a separate common that can be used as common anode or common cathode. No configuration or jumpers are required as each input can accept either a positive or negative voltage. LEDs on all 32 inputs and 16 outputs make troubleshooting problems easy. 72 pluggable 5mm pitch screw terminals are included. Simple 16-pin ribbon connection to KFLOP provides all required signals and power. High speed deterministic update rate of 180us per board.

The input consists of an AC type of optocoupler in series with an LED indicator and a 4Kohm resistor. The AC type of input allows the common to be connected to either the positive or negative supply voltage so that sinking or sourcing outputs can be used. Each of the 16 outputs is completely isolated with a + and - terminal. When active the output passes current from the + to - terminals much like a relay contact would.

Features:
  • (32) Opto Isolated Inputs 4 .75V - 25V
  • (16) Opto Isolated Outputs 25V @ 0.25Amps
  • (48) LED Indicators on all I/O
  • (72) Screw Terminals - 5mm - Pluggable
  • Expandable to 4 Boards for 192 I/O
  • Inputs and Outputs Support Sourcing or Sinking
  • Outputs Guaranteed Off on Power Up
  • High and Deterministic Update Rate
Please view our on-line documentation for full details.

$199 USD Plus Tax, S&H
In Stock
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Konnect Hardware

Function

Parameter

Specification

Inputs

Number

Type

VIH

VIL

Input Resistance

Banks

Bank Commons

32 Inputs

Full Opto Isolation

4.75V min On Voltage, 25V max allowed Voltage

2V Max Off Voltage

4K Ohms

4 Banks of 8 Inputs per bank

Common Anode or Cathode

(Inputs activate with + or - voltage relative to Common)

Outputs

 

 

Number

Type

Configuration

Max Voltage

Max Current

On Voltage Drop

 

16 Outputs

Full Opto Isolation

Darlington Transistor

30V

0.25A

0.6V max @ 2ma

0.9V max @ 0.25A

Connectors

JP8 Aux Bus to KFLOP

Input Commons

J2 Power

IN0, IN1, IN2, IN3

OUT0, OUT1, OUT2 OUT3

16 pin Header (IDC 0.1 inch pitch)

4 pin Pluggable Screw Terminal 5mm pitch

4 pin Pluggable Screw Terminal 5mm pitch

8 pin Pluggable Screw Terminal 5mm pitch

8 pin Pluggable Screw Terminal 5mm pitch

Logic Supplies

Voltage VDD5

Max Current

Voltage VDD33

Max Current

Voltage VDD12

Max Current

+5V ±10%

0.4A

+3.3 ±10%

0.2A

(not used internally)

Environment

Operating Temperature
Storage Temperature
Humidity

Lead

0-40° C

0-40° C
20-90% Relative Humidity, non-condensing

Lead Free RoHS

Dimensions

Length

Width

Height

8.0 inches (203mm)

3.5 inches (89mm)

0.75 inches (19mm)

 

 


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