Cambium Networks cnReach N500 Handleiding (253 Pagina's)

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cnReach N500 User Guide

Technical Reference

phn-4673_002v000 (March 2018)

3-29

IO Capability on cnReach Radios

For cnReach radios that have the optional IO capability there are 8 channels that can be configured for

the capabilities in the table below. These pins can be read using MODBUS control software.

Digital I/O

• Sense switch closing/openings with Digital Inputs

• Drive motor contacts or actuators with Digital Outputs

• Count low-frequency or high-frequency occurrences with Digital Inputs

• Pull-up resistor used to keep DO either normally ‘low’ or normally ‘high’

• Digital In can sink maximum 2A

4.

7Kohm

65 Kohm

0.1

Ohm

Digital Out

Pull-Up Enabled

+5

VDC

Digital In

I/O Module Pin

M

+5 VDC

Example: Digital Out

Example: Digital In

I/O Module

Motor

Dry-contact Switch

(door open/close)

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