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NXC-IRS4 4-Port IR/S Control Card

NetLinx Cardframe, Control Cards, and NetModules

Pinouts, Signals, and Functions

NXC-IRS4 Channel Assignments

The NXC-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.

Programming Information

The following NetLinx Send_Commands control the NXC-IRS4 Control Card.

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 Generate the IR or serial command assigned to that channel.

1-199 Provide intelligent feedback; if a channel with no IR command turned On, the card will turn that

channel Off.

Ports 1-4 Generate 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

Command Description

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.

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