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Installation Guide

NXC-IRS4 4-Port IR/S Card, 4 IR/S and 4 Inputs

NetLinx Control Cards and NetModules

NetLinx Control Cards can be installed in either the NXF CardFrame, NI-4000, or

NetModules. This document provides basic specifications and wiring information for

the NetLinx Control cards. For detailed information on the cards, refer to the NetLinx

CardFrame, Control Cards, and NetModules Instruction Manual.

NXC-IRS4 4-Port IR/S Control Card

The NXC-IRS4 4-Port IR/S Control Card provides four IR/Serial output control ports

with LED status feedback. Each port in the NXC-IRS4 stores programmed commands

for IR- or serial-controlled devices.

Specifications

Pinouts, Signals, and Functions

NXC-IRS4 Channel Assignments

The IRS4 channel settings listed in the following table set the IR output channels. The

NXC-IRS4 can process up to two IR or serial device channel setting commands

simultaneously. If more than two device commands are sent simultaneously, only the

first two devices receive the commands.

Programming Information

NXC-IRS4 (FG2023) Specifications

Power 110 mA @ +12 VDC power for sensors

Operation: • IR 1-4: 4 IR/Serial control ports

• Input 1-4: 4 input ports for closure or 0-5 VDC sensing, 200 mA

Memory 32K of IR memory shared between four ports.

IR Frequency range Support of high-frequency carriers up to 1.14 MHz.

Status LEDs: Red LED shows IR transmission activity / yellow LED shows input

status activity (2 LEDs per channel). LEDs light to indicate ON

status:

• LED 1: Channel 1 Input (yellow)

• LED 2: Channel 1 IR Out (red)

• LED 3: Channel 2 Input (yellow)

• LED 4: Channel 2 IR Out (red)

• LED 5: Channel 3 Input (yellow)

• LED 6: Channel 3 IR Out (red)

• LED 7: Channel 4 Input (yellow)

• LED 8: Channel 4 IR Out (red)

Connections/wiring: • Two 2-pin 3.5 mm captive-screw terminals

• Two CC-NIRC IR Emitters

Models: • NXC-IRS4 4-Port IR/S Card

• NXM-IRS4 4-Port IR/S NetModule

DEVICE_ID: $0108

NXC-IRS4 Pinouts, Signals, and Functions

Pin Signal Function Pin Signal Function

1 GND Signal ground 10 Input #1 Logic input

2 Output #1 IR data 11 Input #2 Logic input

3 GND Signal ground 12 Input #3 Logic input

4 Output #2 IR data 13 Input #4 Logic input

5 GND Signal ground 14 Power +12 VDC

6 Output #3 IR data 15 --------------- no connection

7 GND Signal ground 16 --------------- no connection

8 Output #4 IR data 17 --------------- no connection

9 GND Signal ground 18 --------------- no connection

19 --------------- no connection

20 --------------- no connection

NXC-IRS4 Channel Assignments

Channel Description

1-255 Generates the IR or serial command assigned to that channel.

1-199 Provides intelligent feedback; if a channel with no IR command is turned on,

the card will turn that channel off.

Ports 1-4 Generates PUSH and RELEASE statements corresponding to the state of

inputs 1 - 4. A contact closure to GND is reported as a PUSH.

• The PUSH and RELEASE channel is 255.

• Channel reporting status is 255.

• Channel 255 changes are disabled after receipt of the ’PON’ command.

NXC-IRS4 SEND_COMMANDS

CAROFF

Disable the IR carrier

signal until a 'CARON'

command is received.

Syntax:

SEND_COMMAND <DEV>,"'CAROFF'"

Example:

SEND_COMMAND IR_1,"'CAROFF'"

Stops transmitting IR carrier signals to the IR_1 port.

CARON

Enable the IR carrier

signals (default).

Syntax:

SEND_COMMAND <DEV>,"'CARON'"

Example:

SEND_COMMAND IR_1,"'CARON'"

Starts transmitting IR carrier signals to the IR_1 port.

Send IR pulses for the

selected a channel.

All channels below 100 are transmitted as two digits. If the IR

code for ENTER (function #21) is loaded, an Enter will follow

the number. If the channel is greater than or equal to (>=) 100,

then IR function 127 or 20 (whichever exists) is generated for

the one hundred digit. Uses 'CTON' and 'CTOF' times for pulse

times.

Syntax:

SEND_COMMAND <DEV>,"'CH',<Number>"

Channel number = 0 - 199.

Example:

SEND_COMMAND IR_1,"'CH',18"

The NXC-IRS4 performs the following:

• Transmits IR signals for 1 (IR code 11). The transmit time is

set with the CTON command.

• Waits until the time set with the CTOF command elapses.

• Transmits IR signals for 8 (IR code 18).

• Waits for the time set with the CTOF command elapses. If

the IR code for Enter (IR code 21) is programmed, the IRS4

performs the following steps.

• Transmits IR signals for Enter (IR code 21).

• Waits for the time set with the CTOF command elapses.

Halt and Clear all active

or buffered IR com-

mands, and then send a

single IR pulse. Set the

Pulse and Wait times

with the 'CTON' and

'CTOF' commands.

Syntax:

SEND_COMMAND <DEV>,"'CP',<code>"

Code = IR port's channel value 0 - 252 (253 - 255 reserved).

Example:

SEND_COMMAND IR_1,"'CP',2"

Clears the active/buffered commands and pulses IR_1 port's

channel 2.

CTOF

Set the duration of the

Off time (no signal)

between IR pulses for

channel and IR function

transmissions.

Off time settings are

stored in non-volatile

memory.

This command sets the delay time between pulses generated

by the 'CH' or 'XCH' send commands in tenths of seconds.

Syntax:

SEND_COMMAND <DEV>,"'CTOF',<time>"

Time = 0 - 255. Given in 1/10ths of a second. Default is 5

(0.5 sec).

Example:

SEND_COMMAND IR_1,"'CTOF',10"

Sets the Off time between each IR pulse to 1 second.

CTON

Set the total time of IR

pulses transmitted and is

stored in non-volatile

memory.

This command sets the pulse length for each pulse generated

by the 'CH' or 'XCH' send commands in tenths of seconds.

Syntax:

SEND_COMMAND <DEV>,"'CTON',<time>"

Time= 0 - 255. Given in 1/10ths of a second. Default is 5

(0.5 sec).

Example:

SEND_COMMAND IR_1,"'CTON',20"

Sets the IR pulse duration to 2 seconds.

GET MODE

Poll the IR/Serial port's

configuration parame-

ters and report the active

mode settings to the

device requesting the

information.

The port responds with: <port #> <mode>,<carrier>,<io link

channel>.

Syntax:

SEND_COMMAND <DEV>,"'GET MODE'"

Example:

SEND_COMMAND IR_1,"'GET MODE"

The system could respond with:

PORT 4 IR,CARRIER,IO LINK 0

IROFF

Halt and Clear all active

or buffered IR commands

being output on the

designated port.

Syntax:

SEND_COMMAND <DEV>,"'IROFF'"

Example:

SEND_COMMAND IR_1,"'IROFF"

Immediately halts and clears all IR output signals on the IR_1

port.

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