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.

©1999 Crestron Electronics, Inc.

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

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.



system power. This allows for stand-alone operation prior

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

7.00

(17.78 cm)

WARNING

THIS COVER TO BE REMOVED BY
QUALIFIED PERSONNEL ONLY.

NO USER SERVICEABLE PARTS
UNDER THIS COVER.

NO BRANCH FUSES OR CIRCUIT
BREAKERS INSIDE THIS UNIT.

CRESTRON

ELECTRICAL CONTROL INTERFACE CNECI-4A

4-POSITION

TERMINAL

BLOCK

Electronics, Inc. Rockleigh, N.J. 07647

DEPTH = 2.50" (6.35 cm)

9-POSITION

TERMINAL

BLOCK

11. 00

(27.94 cm)

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