Crestron CNXRY-16 User Manual download pdf (Page 6)

CRESTRON

How the Program Works

A basic CNXRY-16 SIMPL program is shown below in block diagram form. For

this example, the CNXRY-16 occupies slot 1 of a CNMSX-PRO. Assume there are

two rooms that have lighting systems that are controlled via relays. Each room can

have up to eight scenes of lighting. A scene is engaged by latching a relay. Only one

scene can be activated in a room at a time.

Block Diagram of CNXRY-16

Room 1 uses relays A1 through A8; room 2 uses relays B1 through B8. When the

user presses any of the buttons for room 1 (join numbers 1-8), the corresponding

signal goes high on the input of the Interlock symbol for room 1. The corresponding

output of the Interlock latches high. Since the Interlock is mutually exclusive, only

that output is high. The corresponding relay then latches high on the CNXRY-16

card.

How to Create the Program

Use the Configuration Manager workspace in SIMPL Windows to select and

configure all the devices that need to be included into the system. For this example,

add a CNXRY-16 to slot #1 of the CNMSX-PRO. Also add a LC-1500 to the

system; its NET ID must be set to 03, shown on the next page.

NOTE: SIMPL Windows v1.19.08 or later is required to program the CNMSX-

PRO. If using an earlier version of SIMPL Windows, Crestron recommends a

SIMPL Windows and operating system upgrade.

4 • CNX Relay Output Expansion Card: CNXRY-16 Operations Guide - Doc. 8122

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Crestron CNXRY-16 User Manual Page 6