AMX NXC-IRS4 Installation Manual
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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 ,"'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 ,"'CARON'"
Example:
SEND_COMMAND IR_1,"'CARON'"
Starts transmitting IR carrier signals to the IR_1 port.
CH
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 ,"'CH',"
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.
CP
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 ,"'CP',
"
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 ,"'CTOF', For full warranty information, refer to the AMX Instruction Manual(s) associated with your Product(s).
1207
©2007 AMX. All rights reserved. AMX and the AMX logo are registered trademarks of AMX.
AMX reserves the right to alter specifications without notice at any time.
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93-2023
REV: E
NXC-IRS4 SEND_COMMANDS (Cont.)
POD
Disable previously active
'PON' (power on) or
'POF' (power off) com-
mand settings.
This command is used in
conjunction with the I/O
Link command.
Channel 255 changes are enabled.
Syntax:
SEND_COMMAND ,"'POD'"
Example:
SEND_COMMAND IR_1,"'POD"
Disables the 'PON' and 'POF' command settings on the IR_1
device.
POF
Turn OFF a device
connected to an IR port
based on the status of
the corresponding I/O
Link input.
If at any time the IR sensor input reads that the device is ON
(such as if someone turned it on manually at the front panel),
IR function 28 (if available) or IR function 9 is automatically
generated in an attempt to turn the device back OFF. If three
attempts fail, the IR port will continue executing commands in
the buffer. If there are no commands in the buffer, the IR port
will continue executing commands in the buffer and trying to
turn the device OFF until a 'PON' or 'POD' command is
received.
If the IR port fails to turn the device OFF, a PUSH and
RELEASE is made on channel 254 to indicate a power failure
error. You can only use the 'PON' and 'POF' commands when
an IR device has a linked I/O channel. Channel 255 changes
are disabled after receipt of this command. You can only use
the PON and POF commands when an IR device has a linked
I/O channel.
Syntax:
SEND_COMMAND ,"'POF'"
Example:
SEND_COMMAND IR_1,"'POF'"
Sends power down IR commands 28 (if present) or 9 to the
IR_1 device.
PON
Turn ON a device
connected to an IR port
based on the status of
the corresponding I/O
Link input.
If at any time the IR sensor input reads that the device is OFF
(such as if one turned it off manually at the front panel), IR
function 27 (if available) or IR function 9 is automatically gener-
ated in an attempt to turn the device back ON. If three attempts
fail, the IR port will continue executing commands in the buffer
and trying to turn the device On.
If there are no commands in the buffer, the IR port will continue
trying to turn the device ON until a 'POF' or 'POD' command is
received. If the IR port fails to turn the device ON, a PUSH and
RELEASE is made on channel 254 to indicate a power failure
error.
You can only use the 'PON' and 'POF' commands when an IR
device has a linked I/O channel. Channel 255 changes are
disabled after receipt of this command.
Syntax:
SEND_COMMAND ,"'PON'"
Example:
SEND_COMMAND IR_1,"'PON'"
Sends power up IR commands 27 or 9 to the IR_1 port.
PTOF
Set the time duration
between power pulses in
.10-second increments.
Time is given in 1/10ths
of a second.
This time increment is
stored in permanent
memory.
This command also sets the delay between pulses generated
by the 'PON' or 'POF' send commands in tenths of seconds. It
also sets the delay required after a power ON command before
a new IR function can be generated. This gives the device time
to power up and get ready for future IR commands. It also sets
the delay required after a power ON command before a new IR
function can be generated. This gives the device time to power
up and get ready for future IR commands.
Syntax:
SEND_COMMAND ,"'PTOF',
