AMX NXI User Manual
Installation Guide
Overview
The NXI NetLinx Integrated Controller (FG2101) represents the new generation of
AMX multi-port central controllers. The NXI can be programmed to control
RS-232/422/485, Relay, IR/Serial, and Input/Output devices using the NetLinx
programming language and NetLinx Studio program. For detailed product information,
refer to the NXI NetLinx Integrated Controller Instruction Manual on the
www.amx.com website.
For use as a master controller, the NXI accepts the NXC-ME260 NetLinx Master Card
(FG2010-60).
NXI Front Panel Components
FIG. 1 shows the front panel components of the NXI:
I/O LEDs (yellow)
IR/Serial LEDs (red)
RS-232/422/485 TX/RX LEDs
FIG. 1
Relay LEDs (red)
(red and yellow)
Master/Hub Card slot
NXI - Front Panel Components
NXI Rear Panel Components
FIG. 2 shows the rear panel components of the NXI:
ICSP LED (green)
Relays (port 7)
IR/Serial (ports 8-15)
I/O (port 16)
ID Pushbutton
FIG. 2 NXI - Rear Panel Components
RS-232/422/485 (ports 1-6)
Master/Hub Card slot
Specifications
NXI Specifications
Dimensions (HWD): 1.72" x 17.0" x 8.80"
Weight: 4.10 lbs (1.85 kg)
Power Requirement: 1.09 A @ 12 VDC (NXI only/no card)
Memory: 64K of IR memory:·
Port Assignments: • Ports 1-6 = RS-232/422/485 Ports
Front Panel Components:
Master/Hub Card slot: Accepts an NXC-ME260 or Hub Card.
RS-232/422/485
TX/RX LEDs:
Relay LEDs: 12 red LEDs light to indicate relay channels 1-12 are
IR/Serial LEDs: 8 red LEDs light to indicate IR/Serial channels 1-8 are
I/O LEDs: 8 yellow LEDs light when I/O channels 1-8 are active.
Rear Panel Components:
ID Pushbutton: Sets the D:P:S assignment for the NXI.
ICSP LED: Green LED Blinks in unison with the Master card's
(43.68 mm x 431.80 mm x 223.52 mm)
• 32K IR memory for IR ports 8-11
• 32K IR memory for IR ports 12-15
• Port 7 = 12 Relays
• Ports 8-15 = IR/IR Serial Ports
• Port 16 = 8 I/O Channels
6 sets of red and yellow LEDs light to indicate ports 1-6
are transmitting or receiving RS-232, 422, or 485 data:
TX LEDs (red) blink when transmitting data.
RX LEDs (yellow) blink when receiving data.
active (closed).
transmitting control data.
NetLinx LED indicating the ICSP bus is synchronized.
This LED flashes rapidly when the NXI is in ID Mode
(see Using the ID Button for details).
NXI NetLinx
®
Integrated Controller
NXI Specifications (Cont.)
RS-232/422/485 Ports
(#1-6):
Relays Port (# 7): 12-channel relay port. Channel range = 1-12
IR/Serial Ports (# 8-15): 8 IR/Serial control ports that support high-frequency
I/O Port (# 16): 8-channel I/O port for contact closure, 0-5 VDC voltage
6 RS-232/422/485 control ports with XON/XOFF (transmit on/ transmit off), and CTS/RTS (clear to send/ready
to send), 300-230,400 baud.·
• Channel range = 1-255
• Channels 1-254 provide feedback only.
• Channel 255 (CTS Push channel) reflects the state of
the CTS Input if a 'CTSPSH' command was sent to
the port.
You can connect up to 12 independent external relay
devices to the Relay connectors on the NXI (port 7).
Connectors labeled A are for common and B are for
Output.
Each relay is isolated and normally open.
carriers up to 1.14 MHz:
• Channel range = 1-32,000
• Channels 1-253 (output): IR commands.
• Channel 254 (feedback): PowerFail (used with 'PON'
and 'POF' commands).
• Channel 255 (feedback): Power status (when IOLink
is set).
sensing, or interactive power sensing for IR ports.
Channel range = 1-8.
Master/Hub Card Slot
The Master/Hub Card slot houses a NetLinx Master or Hub Card. The card mounts in
a horizontal position, through the master card slot on the rear panel of the NXI
enclosure. To install a Master or Hub Card in an NXI:
1. Discharge the static electricity from your body by touching a grounded object.
2. Disconnect the power, and unplug all connectors from the NXI.
3. Align the edges of the card with the guide slots inside the Master Card slot on
the NXI.
4. Slide the card about halfway into the slot.
5. Inside the Master Card slot, locate the 4-pin control cable connector.
6. Plug the connector from the NXI into the 4-pin terminal on the Master Card. This
connector is keyed to ensure correct orientation.
7. Once the control cable is connected, gently slide the card all the way in until you
feel the rear edge of the card lightly snap into place.
8. Re-apply power and other connections as necessary.
Compatible NetLinx Hub Cards
For use as a hub device, the NXI accepts the following NetLinx Hub Cards:
• NXC-NH ICSNet Hub Card (FG2060)
• NXC-HS ICSHub Server Card (FG2061)
• NXC-HE ICSHub Expander Card (FG2062)
Connections and Wiring
RS-232/422/485 Wiring Specifications:
RS-232/422/485 Wiring Specifications
Pin Signal Function RS-232 RS-422 RS-485
1 GND Signal ground X X
2 RXD Receive data X
3 TXD Transmit data X
4 CTS Clear to send X
5 RTS Request to send X
6 TX + Transmit data X X (strap to pin 8)
7 TX - Transmit data X X (strap to pin 9)
8 RX + Receive data X X (strap to pin 6)
9 RX - Receive data X X (strap to pin 7)
10 12 VDC optional optional
Relay Wiring Specifications
You can connect up to 12 independent external relay devices to the Relay connectors
on the NXI (port 7).
• Connectors labeled A are for common and B are for Output.
• Each relay is isolated and normally open.
• A metal commoning strip is supplied with each NXI to connect multiple relays.
IR/Serial Connector Wiring Specifications
You can connect up to eight IR- or serial-controllable devices to the IR/Serial
connectors (ports 8-15). These connectors accept a IR emitter (CC-NIRC) that
mounts on the device's IR window, or a mini-plug (CC-NSER) that connects to the
device's control jack.
IR/Serial Connector Wiring Specifications
No. Port Signal Function
1 8 GND (-)
Signal 1 (+)
2 9 GND (-)
Signal 2 (+)
3 10 GND (-)
Signal 3 (+)
4 11 GND (-)
Signal 4 (+)
5 12 GND (-)
Signal 5 (+)
6 13 GND (-)
Signal 6 (+)
7 14 GND (-)
Signal 7 (+)
8 15 GND (-)
Signal 8 (+)
Signal GND
IR/Serial data
Signal GND
IR/Serial data
Signal GND
IR/Serial data
Signal GND
IR/Serial data
Signal GND
IR/Serial data
Signal GND
IR/Serial data
Signal GND
IR/Serial data
Signal GND
IR/Serial data
I/O Port Wiring Specifications
The I/O port responds to switch closures or voltage level (high/low) changes, or can
be used for logic-level outputs. You can connect up to eight devices to the I/O
connectors (port 16). A contact closure between GND and an I/O port is detected as
a Push. When used for voltage inputs, the I/O port detects a low (0-1.5 VDC) as a
Push, and a high (3.5-5 VDC) signal as a Release. When used for outputs, the I/O
port acts as a switch to GND and is rated at 200 mA @ 12 VDC.
The PWR pin (+12 VDC @ 200 mA) is designed as a power output for the PCS2 or
VSS2 (or equivalent). The GND connector is a common ground and is shared by all
I/O ports. The following table lists the wiring specifications for the I/O connectors.
I/O Port Wiring Specifications
Pin Signal Function
1 GND Signal GND
2 I/O 1 Input/output
3 I/O 2 Input/output
4 I/O 3 Input/output
5 I/O 4 Input/output
6 I/O 5 Input/output
7 I/O 6 Input/output
8 I/O 7 Input/output
9 I/O 8 Input/output
10 12 VDC PWR
Using the ID Button
The ID Button on the rear panel of the NXI (see Figure 1) is used in conjunction with
the NetLinx Studio software program to allow you to assign a new Device number to
the NXI.
1. Using NetLinx Studio, place the system in Identify (ID) Mode. ID Mode means
that the entire system is put on hold while it waits for an event from any NetLinx
device in the named system (for example, pushing the ID button on the NXI).
The device that generates the first event is the device that is identified.
Press the ID Mode button to generate an event from the NXI and assign new
2.
Device number in NetLinx Studio.
Device:Port:System (D:P:S)
A device is any hardware component that can be connected to an AXlink or NetLinx
(ICSNet) bus. Each device must be assigned a unique number to locate that device
on the bus. The NetLinx programming language allows numbers in the range
0-32,000. Device 0 (zero) refers to the master, and numbers greater than 32,000 are
reserved.
NetLinx requires a Device:Port:System (D:P:S) specification. This D:P:S triplet can
be expressed as series of constants, variables separated by colons, or as a DEV
structure. For example:
STRUCTURE DEV
{
INTEGER Number // Device number
INTEGER Port // Port on device
INTEGER System // System the device belongs to
}
The D:P:S notation is used to explicitly represent a device number, port and system.
For example, 128:1:0 represents the first port on the device TP on this system.
If the Port and System numbers are omitted, Port #1 (the first port) and System #0
(this system) are assumed. Here's the syntax:
NUMBER:PORT:SYSTEM
where:
• NUMBER: 16-bit integer representing the device number
• PORT: 16-bit integer representing the port number (in the range 1 through the
number of ports on the Controller or device)
• SYSTEM: 16-bit integer representing the system number (0 = this system)
NetLinx Device Number Conventions
NXI Integrated Controllers typically occupy the device number range from 5001 to
5999.
By default, all NXI’s are shipped with a virtual device ID assigned to 32,001. You
must assign a real device number (via NetLinx Studio) before use.
In NetLinx Studio, select Tools > NetLinx Diagnostics to open the NetLinx
Diagnostics dialog. Set the device number in the Device Addressing tab, using either
the Change Address or ID Mode option (see Using the ID Button).
Send_Commands
Refer to the NXI Integrated Controller Instruction Manual for detailed programming
information.
RS-232/422/485 Port Configuration Send_Commands
SET BAUD
Sets the RS-232/422/485
port's communication
parameters.
TSET BAUD
Temporarily sets the
RS-232/422/485 port's
communication parameters.
HSOFF
Disables hardware hand-
shaking (default).
HSON
Enables RTS and CTS
hardware handshaking.
CAROFF
Disables the carrier signal
until a CARON command is
received.
CARON
Enables carrier signals
(default setting).
ZAP LOW
Deletes all IR data stored in
the NXI ports 8-11.
ZAP HIGH
Deletes all IR data stored in
the NXI ports 12-15.
Syntax:
SEND_COMMAND <DEV>,'SET BAUD
(Baud),(Parity),(Data),(Stop) (485
DISABLE/ENABLE)'
• Baud: 150, 300, 600, 1200, 2400, 4800, 9600,
19200, 38400 (factory set default), 57600, 76800,
115200, 230400
• Parity: N (none), O (odd), E (even), M (mark), S
(space)
• Data: 7 or 8 data bits
• Stop: 1 or 2 stop bits
• 485 Disable: Disables RS-485 mode and enables
RS-422
• 485 Enable: Enables RS-485 mode and disables
RS-422
Syntax:
SEND_COMMAND <DEV>,'TSET BAUD
(Baud),(Parity),(Data), (Stop) (485
DISABLE/ENABLE)'
TSET BAUD works the same as SET BAUD, except
that the changes are not permanent, and the previous values will be restored if the power is cycled on
the device.
Syntax:
SEND_COMMAND <DEV>,'HSOFF'
Syntax:
SEND_COMMAND <DEV>,'HSON'
Syntax:
SEND_COMMAND <DEV>,'CAROFF'
Syntax:
SEND_COMMAND <DEV>,'CARON'
Syntax:
SEND_COMMAND <DEV>, 'ZAP LOW'
Syntax:
SEND_COMMAND <DEV>, 'ZAP HIGH'
For full warranty information, refer to the AMX Instruction Manual(s) associated with your Product(s).
©2009 AMX. All rights reserved. AMX and the AMX logo are registered trademarks of AMX.
3000 RESEARCH DRIVE, RICHARDSON, TX 75082 • 800.222.0193 • fax 469.624.7153 • technical support 800.932.6993 • www.amx.com
AMX reserves the right to alter specifications without notice at any time.
1/09
93-2101 REV: D
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