The SurgeX
eliminator and power conditioner. The SX-20NE-RT-AR may be used to switch up to 20A at
120V. The simple web server structure allows basic control of one branch circuit. The extensive
programming and setup capabilities are accessed by a web browser, through a Device
Management Utility (DMU), or through a C ommand Line Interf ace (CLI).
®
SX-20NE-RT-AR is a network attached, IP addressed, web controlled AC surge
•The SX-20NE-RT-AR features a magnetic shield ing NEMA steel enclosure, SurgeX
Advanced Series Mode® surge elimination, Impedance Tolerant EMI/RFI filtering,
SurgeX ICE
®
Inrush Curr ent Eliminati on, and low level control inputs/outputs.
®
•Remote reboot any device: monitors, router s, servers, kiosks, etc. The remote de vice
need not be net work attached.
• Conserve energy by powering down equipment when not in use.
• Telnet access uses the Command Line Interface (CLI) structure and syntax to
completely configure and control the SX-20NE-RT-AR. This Axess Ready (AR)
device also supports the DxP protocol, which allows software developers to integrate
the unit into custom applications.
•Up to 2 systems can be continuously monitored with AutoPing, with automatic power
control upon loss of contact. Reboot crashed systems, or provide auto power-up or down for environmental controls and notification sy stems.
•The SX-20NE-RT-AR utilizes 2 levels of password security, with only the
administrative account having access to setup and configuration.
• Accepts b oth DC voltage and co ntact closure control inputs.
• Two or more units can be cascaded together for larger systems.
• Auxiliary relay output can be used to control other SurgeX® pr oducts.
• 12 Volt D C output can be used to control other SurgeX® products or dri ve LEDs.
• Auxiliary relay or 12 Vol t DC output can be used to provide confirmation feedback.
• 12” x 12” x 4” NEMA enclosure meets electrical code for use at the service entrance,
sub-panels, and in ceiling plenums.
SX-20NE-RT-AR User Manual
Page 4
I. Introduction
(continued)
Located on t he front panel are:
• Remote LED
• Self-Test LED
Located on t he bottom is:
•Network connection (RJ-45)
Located on t he right side are:
• Reset but ton
• Axess On LED
SX-20NE-RT-AR User Manual
Page 5
II. Installation
Physical
The SX-20NE-RT-AR is housed in a magnetic shielding NEMA enclosure designed to be
installed at a service entrance, electrical sub-panel, or in a ceiling plenum. Input and Output AC
connections are made through the enclosure knock-outs and are hard-wired to internal terminal
blocks.
Ethernet Connection
The RJ45 connector for 10/100 Ethernet is situated on the bottom of the unit. The de fault IP
Address i s 192.168.1.254.
AC Power Connections
Connect the wires to the equipment (load) to be powered On and Off to the lower terminal block
labeled “Load”. Connect Black to Load, White to Neutral, and Ground to Ground. If the
connected equipment has a Power switch, leave it in the On position to allow the SX-20NE-RTAR to control the power.
Connect the wires from the electrical service (line) to the upper terminal block labeled “Line”.
Connect Black to Line, White to Neutral, and Ground to Ground.
IMPORTANT: In order for the SurgeX circuitry to function properly, the unit must be
installed exactly as stated above (the unit wil l not function without a Neutral connection).
The SurgeX SX-20NE-RT-AR product is rated at a load capacity of 20 Amps and shall be
wired only by qualified Electricians using 12 Ga. conductors as specified in Article 310 of the
1999 National Electric Code, as set forth in Table 310-13. Any type of conductor suitable for
use in wet or dry locations such as (but not limited to) THHN, THHW , THW, THWN, or TW
shall be considered acceptable if local Code permits. The circuit to which the product is
connected must be protected by a 20 Amp circuit breaker.
SX-20NE-RT-AR User Manual
Page 6
III. LED Indicators
IV. Remote Control Connections
The Axess Ready system is On. The AR system must
be on to enable hard-wired remote control connections.
A hard-wired remote control signal is active and the
output is On.
The int ernal surge protection circuitry is fully functional.
Pin 1 – Contact Closure
Pin 2 – Contact Closure
Pin 3 – Applied Voltage +
Pin 4 – Applied Voltage -
Pin 5 – Power LED +
Pin 6 – Power LED -
Pin 7 – Remote LED +
Pin 8 – Remote LED -
Pin 9 – Aux Relay Contact
Pin 10 – Aux Relay Contact
1
10
AXESS ON
REMOTE
SELF-TEST
Remote control connections are wired to the black 10-pin terminal block on the inside of the
unit. Th e terminal block is shipped with a jumper wire between pins 1 & 2 so that the unit can be
used without a remote control connection. If you will be using remote control you will first need
to remove this jumper wire. Never solder (tin) wires before inserting into a terminal block –
solder cold flows and you will eventually have loose connections!
CAUTION: Do not repeatedly turn the unit Off—On—Off—On with a heavy load
connected. The ICE™ circuitry absorbs the inrush energy each time the unit is turned on
and may overheat if this is done too many times in a short period of time. Wait one
minute betw een repeated turn-ons.
The connections are shown below:
Control Inputs
The SX-20NE-RT-AR can be controlled by a DC voltage in the range of 5V to 30V, by a contact
closure (such as a relay), by a switch (latching), or by another SurgeX product such as the SEQ.
Switches with gold contacts are recommended for the best long-term reliability.
a) DC Voltage: The unit will power up when the voltage is present, and power down when
there is no voltage. Connect the positive wire to Pin 3 (Applied Voltage +), and the
negati ve wire to Pin 4 (Appli ed Voltage -). The positive and negative connections must
be made with the correct polarity for proper operation.
2
3
4
5
6
7
8
9
SX-20NE-RT-AR User Manual
Page 7
IV. Remote Control Connections
Control State
Output State
Axess
Control
CC
Input
DC
Input
Axess
LED
Remote
LED
Out
put
On
On
Off
On
On
On
On
Off
On
On
On
On
On
Off
Off
On
Off
Off
Off
Any
Any
Off
Off
Off
(continued)
b) Contact Closure/Latching Switch: The unit will power up when the contacts are closed,
and power down when the contacts are open. Connect t he two wires from the contacts
or switch to Pin 1 (Contact Closure) and Pin 2 (Contact Closure).
Output control requires a combination of Axess Ready (AR) control via IP and Remote TurnOn/Off ( RT) control via hard-wired connection. The following table will detail the LED and output
states during vari ous operating condit ions.
External LED C onnections
The SX-20NE-RT-AR product is able to drive external LEDs or other signaling devices through
its 12V DC LED outputs, which can provide up to 10mA of current each. External LEDs
connected to the Power LED pins (5 and 6) will be illuminated when AC power is applied to the
unit, and external LEDs connected to the Remote LED pins (7 and 8) will be On when the unit’s
AC output is On, and Off when the output is Off. When connecting LEDs to either output, a
series resistor is required. For example, many LEDs work well with 10mA of current, so a 1KΩ
resistor is usually a good choice. If more than one LED is required, then use a separate series
resistor for each LED. For example, two external LEDs, each with a 2kΩ series resistor, could
be powered from one unit at 5mA each.
Connect eac h LE D anode to “LED +” through a resistor, and the cathodes to “LED -”.
Auxili ary Relay Contacts
The auxiliary relay contacts, Pins 9 & 10, provide a way to cascade units or to provide
confirmation feedback to a central controller. W hen the output is On, the aux relay contacts are
closed. There is a ½ second delay before the aux relay closes, which allows time for the SurgeX
Inrush Current Elimination (ICE™) circuit to operate. This short delay in combination with the
SurgeX ICE™ makes it unnecessary to sequence the power to several large loads (such as
amplifiers) because of inrush current. SurgeX SX-20NE-RT-AR products, when cascaded, can
turn on a bank of large amplifi ers with no inrush current, and therefore no risk of tripping a circuit
breaker.
To cascade two or more SX-20NE-RT-AR products, connect the aux relay contacts of one unit
to the contact closure input of the next unit. To provide confirmation feedback, connect the aux
relay contacts to an input on the central controller. The relay contacts are rated for 1 amp at 30
V DC.
SX-20NE-RT-AR User Manual
Page 8
V. Initial Set-Up
Device Management Utility (DMU)
The SurgeX Device Management Utility (DMU)
provides the easiest means to find and configure
your AR for use. The DMU can:
1. Automatically discover multiple ARs on a
local network.
2. Display the current IP address of each AR.
3. Allow the setting of a new IP address for each
AR.
4. Perform firmware upgr ades.
5. Return an AR to Factory Defaults.
The SurgeX Device Management Utility is
available on the AR CD or on the SurgeX website
at http://www.surgex.com
Note: The IP address can only be set within the
first 2 minutes after powering up the AR. The
utility will only work with ARs on the same local
subnet as th e PC .
Device
Discover: Automa tically d iscov er all ARs
on the local network. The DMU will display
the location name of the AR, the product
ID and version number, the current IP
address, and the MAC address. Factory
defaulted ARs will display with the name
New SX-iPD and have either the factory
default IP address of 192.168.1.254 or an
IP address that was automatically
assigned by the DHCP server on your
network. If the IP address was assigned by a DHCP server, no changes to the IP
address ar e required.
The IP address field also indicates the port for web access that is currently in use
by the AR. The standard port for web browser accessibility is factory default Port
80.
Add: Manually add an AR by IP address.
Clear: Clear the list.
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