Crestron C2N-UNI8IO Manual

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C2N-UNI8IO

Universal Keypad Interface

Installation & Operation Guide

Additional Resources

Visit the product page on the Crestron website (www.crestron.com)

for additional information and the latest rmware updates. Use a QR

reader application on your mobile device to scan the QR image.

Hardware Hookup

The following diagram shows a C2N-UNI8IO in a lighting and AV system application.

Connectors, Controls, and Indicators

The following diagram shows a C2N-UNI8IO in a lighting and AV system application.

Wiring Diagrams

CAUTION: Shorting non-current limited supplies may cause damage to the outputs

on the unit.

Internal 5V LED Driver (Internal 5 mA 5 V Current Limit)

NOTE

: Dip switches must be in the OFF position.

NOTE: Internal 5 mA 5 V current limit can be enabled or disabled on an individual

basis.

Description

The Crestron

C2N-UNI8IO is a compact interface designed to allow virtually any keypad

to be connected directly to a Cresnet

control network. The Cresnet network is the

communications backbone for Crestron sensors, dimmers, keypads, touch panels,

shade controllers, thermostats, and many other devices. This exible 4-wire bus provides

data communications and 24 Vdc power for all of the devices on the Cresnet network.

The C2N-UNI8IO installs easily at the keypad location, sitting conveniently inside the

electrical box behind the keypad. Wiring connections to the network are made using a

detachable terminal block connector. Wiring connections to the keypad can be made

using the provided connectors with ying leads, or the keypad manufacturer can choose

to mate directly to the exposed connectors.

The C2N-UNI8IO is compatible with most keypads that provide contact closures as user

inputs and use LEDs for feedback. Up to 1 A @ 24 Vdc power and 40 mA @ 5 Vdc is

available to support a variety of keypads. The C2N-UNI8IO includes eight sensing inputs,

each capable of sensing a contact closure. The C2N-UNI8IO also includes eight

open-drain outputs capable of sinking up to 100 mA each (500 mA maximum total

current). Also provided are eight current-limiting resistors that can be switched in series

with each channel to limit the output current to 5 mA @ 5 Vdc.

Specications for the C2N-UNI8IO are listed below.

Installation

WARNING: To avoid re, shock, or death, turn off the power at the circuit breaker or

fuse and test that the power is off before wiring!

NOTE: Observe the following points:

• Install and use this prodcut in accordance with appropriate electrical codes and

regulations.

• A licensed electrician must install this product.

NOTE: Before using the C2N-UNI8IO, ensure the device is using the latest rmware.

Check for the latest rmware for the C2N-UNI8IO at www.crestron.com/rmware. Load

the rmware onto the device using Crestron Toolbox™ software.

The C2N-UNI8IO can be installed inside a standard electrical box. Refer to the following

illustration.

Installing the IDC Connector and the Cresnet Connector

OUTPUT

INPUT

G G 1 2 3 4 5 6 7 8

5V 1 2 3 4 5 6 7 8 24V

Third-party keypad

C2N-UNI8IO

Control

processor

A/V

system

Lighting

system

Cresnet

Multiwire cable

OUTPUT

INPUT

Removing the IDC Connector

Use a at-blade screwdriver to loosen the IDC connector from the header. Place the

at-blade screwdriver between the header and midsection of the connector. Turn the

screwdriver to pry the IDC connector up.

Using a Third-Party Keypad

OUTPUT

INPUT

G G 1 2 3 4 5 6 7 8

5V 1 2 3 4 5 6 7 8 24V

GND

LED

1 2 3 4 5

2.05 in

(52 mm)

0.51 in

(13 mm)

2.13 in

(54 mm)

0.69 in

(18 mm)

2.07 in

(53 mm)

SPECIFICATION DETAILS

Power Requirements

Cresnet Power Usage 0.5 W (0.02 A @ 24 Vdc)

Does not account for LED, bulbs, or other device's

power consumption.

Ratings

Digital Inputs (8) Inputs rated for 0-24 Vdc, includes 10 KΩ pull-up

to 5 Vdc

Logic low threshold: ≤1 V

Logic high threshold: ≥3.7 V

Digital Outputs (8) Open drain outputs rated for 100 mA @ 24 Vdc,

500 mA max (combined for all 8 outputs), when not

in Current Limit mode

Maximum Power Load: 1 A @ 24 Vdc and

40 mA @ 5 Vdc. Actual load capability dependent

upon the amount of available Cresnet power in the

system.

Environmental

Temperature 32°F to 104°F (0°C to 40°C)

Humidity 10% to 95% RH (noncondensing)

Dimensions

Height 2.06 in (53 mm)

Width 2.05 in (52 mm)

Depth 0.68 in (18 mm)

Weight 1 oz (24 g)

# CONNECTORS,

CONTROLS, AND

INDICATORS

DESCRIPTION

1 SETUP (1) Red LED and (1) miniature push button, used

for touch-settable ID (TSID)

2 OUTPUT CURRENT

LIMIT

(1) 8-position DIP switch, engages 1 K ohm

current limiting resistor per output, limits each

output to 5mA @ 5VDC for use with LEDs

NOTE: When in “current limit” mode, be sure to

not exceed the above rating.

3 NET (1) 4-pin 3.5mm detachable terminal block;

Cresnet slave port, connects to Cresnet control

network

4 OUTPUT (1) 10-pin 0.1” IDC connector, includes (10) single

conductor 22 AWG 3” ying leads Outputs

comprised of (1) 24VDC, (1) 5VDC, and (8) digital

outputs (referenced to GND)

Note: 24V connector is a Cresnet power pass-

through.

5 INPUT (1) 10-pin 0.1 in (3 mm) IDC connector comprised

of (10) single-conductor 22 AWG 3 in (76 mm)

ying leads

Inputs comprised of (2) GND references and (8)

digital inputs (referenced to GND)

External 24 V LED Driver (100 mA Open Collector Output)

NOTE: Dip switches must be in the ON position.

NOTE: Internal 5 mA 5 V current limit can be enabled or disabled on an individual

basis.

Using Internal 24 Vdc Power Supply (100 mA Open Collector Output)

NOTE: Dip switches must be in the ON position.

NOTE: Internal 5 mA 5 V current limit can be enabled or disabled on an individual

basis.

OUTPUT

INPUT

G G 1 2 3 4 5 6 7 8

5V 1 2 3 4 5 6 7 8 24V

GND

Resistor / LED

Lamp

Relays

OUTPUT

INPUT

G G 1 2 3 4 5 6 7 8

5V 1 2 3 4 5 6 7 8 24V

GND

24VDC External Power Supply

Resistor / LED

Lamp

Relays

Wire nuts and

jumper wires

Pair A

22 AWG

twisted

Pair B

18 AWG parallel

To control

system

Make Cresnet Connections

Connect the C2N-UNI8IO to the Cresnet Network via a Cresnet network cable (sold

separately).

NOTE: When wiring, observe the following points:

• Do not power up the system until all wiring is veried. Use care to ensure that data

(Y and Z) and power (24 and G) connections are not crossed.

• Ground the Cresnet shield at the Control System end only.

• Use the Crestron CNTBLOCK network terminal expander and diagnostic tool for

testing.

• Use #18 AWG jumper wires. Use a wire nut that accommodates all three wires.

This product is Listed to applicable UL

Standards and requirements by Underwriters Laboratories

Inc.

Ce produit est homologué selon les normes et les exigences UL applicables par Underwriters

Laboratories Inc.

As of the date of manufacture, the device has been tested and found to comply with specications

for CE marking.

Federal Communications Commission (FCC) Compliance Statement

This device complies with part 15 of the FCC Rules. Operation is subject to the following

conditions:(1) This device may not cause harmful interference and (2) this device must accept any

interference received, including interference that may cause undesired operation.

CAUTION: Changes or modications not expressly approved by the manufacturer responsible for

Crestron Electronics, Inc. Installation & Operation Guide - DOC. 6956C

15 Volvo Drive Rockleigh, NJ 07647 (2027241)

Tel: 888.CRESTRON 11.16

Fax: 201.767.7576 Specications subject to

www.crestron.com change without notice.

compliance could void the user’s authority to operate the equipment.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device,

pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection

against harmful interference in a residential installation. This equipment generates, uses and can radiate

radio frequency energy and, if not installed and used in accordance with the instructions, may cause

harmful interference to radio communications. However, there is no guarantee that interference will not

occur in a particular installation. If this equipment does cause harmful interference to radio or television

reception, which can be determined by turning the equipment off and on, the user is encouraged to try

to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is

connected.

• Consult the dealer or an experienced radio/TV technician for help.

Industry Canada (IC) Compliance Statement

CAN ICES-3(B)/NMB-3(B)

The product warranty can be found at www.crestron.com/warranty.

The specic patents that cover Crestron products are listed at patents.crestron.com.

Certain Crestron products contain open source software. For specic information, please visit

www.crestron.com/opensource.

Crestron, the Crestron logo, Cresnet, and Crestron Toolbox are either trademarks or registered

trademarks of Crestron Electronics, Inc. in the United States and/or other countries. UL and the UL logo

are either trademarks or registered trademarks of Underwriters Laboratories, Inc. in the United States

and/or other countries. Other trademarks, registered trademarks, and trade names may be used in this

document to refer to either the entities claiming the marks and names or their products. Crestron

disclaims any proprietary interest in the marks and names of others. Crestron is not responsible for

errors in typography or photography.

This document was written by the Technical Publications department at Crestron.

Produkt Specifikationer

Mærke:	Crestron
Kategori:	Ikke kategoriseret
Model:	C2N-UNI8IO
Antal pr. pakke:	1 stk
Produktfarve:	Sort
Understøttet spindellængde (max.):	- mm

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