Crestron CNECI-4A User manual

Crestron CNECI-4A

Electrical Control Interface with AC

Operations Guide

This document was prepared and written by the Technical Documentation department at:

Crestron Electronics, Inc.

15 Volvo Drive

Rockleigh, NJ 07647

1-888-CRESTRON

All brand names, product names, and trademarks are the property of their respective owners.

Crestron CNECI-4A Electrical Control Interface with AC

Contents

Electrical Control Interface with AC: CNECI-4A 1

Description.................................................................................................................................1

Functional Description ................................................................................................1

Physical Description....................................................................................................2

Leading Specifications...............................................................................................................3

Setup ..........................................................................................................................................4

Network Wiring........................................................................................................... 4

Hookup ........................................................................................................................ 5

Identity Code ...............................................................................................................7

SIMPL Windows Programming ................................................................................................8

How the Program Works.............................................................................................8

How to Create the Program ....................................................................................... 10

Problem Solving ......................................................................................................................13

Troubleshooting......................................................................................................... 13

Further Inquiries ........................................................................................................13

Return and Warranty Policies ..................................................................................................14

Merchandise Returns / Repair Service ...................................................................... 14

CRESTRON Limited Warranty.................................................................................14

Operations Guide - DOC. 8149 Electrical Control Interface with AC: CNECI-4A •i

Crestron CNECI-4A Electrical Control Interface with AC

Electrical Control Interface with AC:

CNECI-4A

Description

Functional Description

The Electrical Control Interface with AC, CNECI-4A, is a wall-mounted interface

for AC powered devices such as drapes, screens, and lifts. It is nearly identical to the

CNECI-4 but the exception is that it draws operating power from an AC line that is

independent of Cresnetsystem power. This allows for stand-alone operation prior

to (and regardless of) connection to a Cresnet system.

The CNECI-4A contains four single-pole, double-throw relays for Cresnet system

power control. Using the SIMPL Windows program of the Cresnet system, the relays

are programmed for basic operation or in any combination or sequence. Each of the

relays has two common (COM) terminals (that are electrically connected), one

normally-open (NO) contact, and one normally-closed (NC) contact. A signal from

the Cresnet system (digital high) energizes the relay and a corresponding LED

illuminates.

The LOCAL INPUTS connector is a nine-pin connector, eight input pins and one

ground. A closure from any input pin to ground provides an input to the Cresnet

system. These input closures are programmed to control the relays and/or other

control system function.

The CNECI-4A operates from an AC power feed. The voltage is selectable from

100-125VAC or 220-250VAC. The CNECI-4A may be installed and operated in this

mode via the LOCAL INPUTS by applying a momentary closure to ground to

alternately latch and unlatch the corresponding relays. Upon establishing

communication with the Cresnet system, the LOCAL INPUTS act as control inputs

to the system. Through the NET connector, the +24V Cresnet system power serves

as back-up power to energize the relays if the AC power is not available.

If Cresnet system communications are not available while the +24V or the AC

voltage is maintained, the relays may still be operated from LOCAL INPUTS pins 1

through 4. The closure to ground may be supplied from mechanical switches or

Cresnet system I/O cards to operate the relays.

Operations Guide - DOC. 8149 Electrical Control Interface with AC: CNECI-4A •1

Electrical Control Interface with AC Crestron CNECI-4A

Physical Description

The CNECI-4A is housed in a gray, metal enclosure with silk-screened labels on the

front cover. All connections are made to the internal PCB through enclosure conduit

knock-outs that are located on the top, left-side, and bottom of the enclosure. Also

supplied is one 4-position terminal block and one 9-position terminal block. Refer to

the physical view and the PCB components diagrams after this paragraph:

CNECI-4A Physical View

DEPTH = 2.50" (6.35 cm)

11.00

(27.94 cm)

7.00

(17.78 cm)

4-POSITION

TERMINAL

BLOCK

9-POSITION

TERMINAL

BLOCK

QUALIFIED PERSONNEL ONLY.

NO BRANCH FUSES OR CIRCUIT

BREAKERS INSIDE THIS UNIT.

UNDER THIS COVER.

NO USER SERVICEABLE PARTS

THIS COVER TO BE REMOVED BY

WARNING

Electronics, Inc. Rockleigh, N.J. 07647

CRESTRON

ELECTRICAL CONTROL INTERFACE CNECI-4A

2 •Electrical Control Interface with AC: CNECI-4A Operations Guide - DOC. 8149

Crestron CNECI-4A Electrical Control Interface with AC

CNECI-4A Internal PCB Components

LOCAL

INPUTS

POWER

NET

CODE

COM

1234

COM

MODEL: CNECI-4A

CRESTRON

AC VOLTAGE

SELECTOR

SWITCH

RELAY

LEDs

ID CODE

(NET ID)

SWITCHES

CRESNET

SYSTEM

CONNECTOR

RELAY

TERMINAL

BLOCKS

AC POWER

TERMINAL

BLOCK

LOCAL

INPUTS

CONNECTOR

230

115

FUSE

LOW VOLTAGE

SECTION

DUST COVER

PCB

MOUNTING

SCREWS (X6)

ID CODE

(NET ID)

INDICATOR

POWER

INDICATOR

(AC or +24V)

Leading Specifications

The table on the next page provides a summary of leading specifications for the

CNECI-4A. Dimensions and weight are rounded to the nearest hundredth unit.

Operations Guide - DOC. 8149 Electrical Control Interface with AC: CNECI-4A •3

Electrical Control Interface with AC Crestron CNECI-4A

Leading Specifications of the CNECI-4A

SPECIFICATION DETAILS

Power Requirements 24VDC, load factor of 5.0 watts,

100 -125VAC or 220 - 250VAC, 50 - 60Hz

AC Fuse Type & Rating Slo-Blo, 5 x 20mm, glass; 250V, 160mA

Relay Closure Rating 5A, 1/3HP @ 125 or 250VAC,

10A @ 30VDC

Default Network ID 7F

SIMPL Windows Version 1.30.01 or later1with the add-

ition of smwlib45.exe and smwlib45.txt

CNX Operating System Version 5.01.09x or later

CNX Monitor Version 2.00 or later

CNMS, CNRACK, CNLCOMP Version 3.16.08 or later

Operating System

ST-CP Operating System Version 4.00.29 or later

ST-CP Monitor Version 1.29 or later

VisionTools Pro (VT Pro) Version 1.2.0 or later 1, 2

Enclosure Metal, gray semi-gloss

Enclosure Conduit Knock-outs 3/4 in (1.91 cm) dia., five on three sides

Dimensions & Weight Height: 11.00 in (27.94 cm)

Width: 7.00 in (17.78 cm)

Depth: 2.50 in (6.35 cm)

Weight: 5.40 lb (2.40 kg)

1The latest software versions can be obtained from the Software Downloads page

(Simplwin and Touchpnl Libraries) of Crestron’s website (www.crestron.com).

New users are required to register in order to obtain access to the FTP site.

2VisionTools Pro is required only for SmarTouch programming. Otherwise, it is

not needed.

As of the date of manufacture, the CNECI-4A has been tested and found to comply

with specifications for CE marking.

NOTE: This device complies with part 15 of the FCC rules. Operation is subject to

the following two conditions: (1) these devices may not cause harmful interference,

and (2) these devices must accept any interference received, including interference

that may cause undesired operation.

Setup

Network Wiring

When calculating the wire gauge for a particular network run, the length of the run

and the power factor of each network unit to be connected must be taken into

consideration. If network units are to be daisy-chained on the run, the power factor

of each network unit to be daisy-chained must be added together to determine the

power factor of the entire chain. If the network unit is a home-run from a Crestron

system power supply network port, the power factor of that network unit is the power

factor of the entire run. The length of the run in feet and the power factor of the run

4 •Electrical Control Interface with AC: CNECI-4A Operations Guide - DOC. 8149

Crestron CNECI-4A Electrical Control Interface with AC

should be used in the following resistance equation to calculate the value on the right

side of the equation.

Resistance Equation

R = Resistance (refer to table below)

L = Length of run (or chain) in feet

PF = Power factor of entire run (or chain)

R < L x PF

40,000

Where:

The required wire gauge should be chosen such that the resistance value is less than

the value calculated in the resistance equation. Refer to the table below:

Wire Gauge Values

RESISTANCE (R) WIRE GAUGE

416

618

10 20

15 22

13 Doubled CAT5

8.7 Tripled CAT5

NOTE: All network wiring must consist of two twisted-pairs. One twisted pair is

the +24V conductor and the ground (G) conductor and the other twisted pair is the Y

conductor and the Z conductor.

NOTE: When daisy chaining network units, always twist the ends of the incoming

wire and outgoing wire which share a pin on the network connector. After twisting

the ends, tin the twisted connection with solder. Apply solder only to the ends of the

twisted wires. Avoid tinning too far up or the tinned end becomes brittle and breaks.

After tinning the twisted ends, insert the tinned connection into the network

connector and tighten the retaining screw. Repeat the procedure for the other three

network conductors.

Hookup

WARNING: Use extra caution when working with 100-125VAC or 220-250VAC.

These voltages present an extreme hazard if inadvertent contact is made. Isolate and

turn-off all applicable electrical circuits before routing wiring.

WARNING: Disconnect power before working on this unit. While power is

connected, there are live components inside.

WARNING: Relay terminals 1, 2, 3, and 4 may still contain voltage even after AC

power is disconnected.

CAUTION: When connecting 100-125VAC or 220-250VAC to the AC power

terminal block, terminal G must be ground, N is neutral, and the L terminals (either

or both terminals, they are electrically connected) are for line voltage.

NOTE: Instead of installing discrete AC wiring for each relay, the AC line voltage

may be daisy-chained from the L terminal of the AC power terminal block to the

relay COM terminals.

Operations Guide - DOC. 8149 Electrical Control Interface with AC: CNECI-4A •5

Electrical Control Interface with AC Crestron CNECI-4A

NOTE: Review the Network Interconnection Diagram (latest revision of Doc.

5411) when making 4-wire connections.

Refer to the diagram below and complete the steps on the next page to hookup the

CNECI-4A:

CNECI-4A Hookup Diagram

LOCAL

INPUTS

POWER

NET

CODE

COM

1234

COM

MODEL: CNECI-4A

CRESTRON

CRESNET

SYSTEM

TO AC

POWERED

DEVICES

FROM

110-125VAC or

220-250VAC

FROM

LOCAL

INPUTS

230

115

6 •Electrical Control Interface with AC: CNECI-4A Operations Guide - DOC. 8149

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