Moxa Technologies AirWorks AWK-3121 Manuale utente

P/N: 1802031210016

*1802031210016*

AWK-3121

Quick Installation Guide

Moxa AirWorks

Edition 7.0, June 2016

Technical Support Contact Information

www.moxa.com/support

Moxa Americas:

Toll

-free: 1-888-669-2872

Tel:

1-714-528-6777

Fax:

1-714-528-6778

Moxa China (Shanghai office):

Toll

-free: 800-820-5036

Tel:

+86-21-5258-9955

Fax:

+86-21-5258-5505

Moxa Europe:

Tel:

+49-89-3 70 03 99-0

Fax:

+49-89-3 70 03 99-99

Moxa Asia-Pacific:

Tel:

+886-2-8919-1230

Fax:

+886-2-8919-1231

Moxa India:

Tel:

+91-80-4172-9088

Fax:

+91-80-4132-1045



- 2 -

Overview

The AWK-3121 Access Point (AP) is ideal for hard-to-wire industrial

applications. The AP keeps wireless costs under control and integrates

with existing mobile equipment. The AWK-3121 is compliant with the

industrial standards and approvals covering operating temperature,

power input voltage, surge, ESD, and vibration. Installation is easy with

DIN-rail mounting capability for installation in distribution boxes. The

DIN-rail mounting capability, wide operating temperature range, and

IP30 housing with LED indicators make the AWK-3121 a convenient yet

reliable solution for any industrial wireless application.

Package Checklist

Moxa’s AWK-3121 is shipped with the following items. If any of these

items is missing or damaged, please contact your customer service

representative for assistance.

•1 AWK-3121

•2 Dual-band omni-directional antennas (2 dBi, RP-SMA, 2.4 a 5 GHz)

•1 Cable holder with a screw

•2 Protective caps

•Quick installation guide (printed)

•Warranty card

- 3 -

Panel Layout of the AWK-3121

1. Grounding screw

Terminal block for PWR1, PWR2,

relay, DI1, and DI2

3. Reset button

4. Heat dissipation orifices

5. System LEDs: PWR1, PWR2,

PoE (discontinued starting with

HW Rev 2.0.0), FAULT, and

STATE LEDs

6. LEDs for signal strength

7. WLAN LEDs: CLIENT, BRIDGE,

and WLAN LEDs

8. RS-232 console port

9. 10/100BaseT(X) RJ45 Port

10.

10M LED

11.

100M LED

12.

MAIN antenna port

13.

AUX antenna port

14.

Model name

15.

Screw hole for wall-

mounting kit

16.

DIN-rail mounting kit

- 4 -

Mounting Dimensions

Unit = mm (inch)

DIN-Rail Mounting

The aluminum DIN-rail attachment plate should be fixed to the back panel

of the AWK-3121 when you take it out of the box. If you need to reattach

the DIN-rail attachment plate to the AWK-3121, make sure the stiff metal

spring is situated towards the top, as shown in the figures below.

STEP 1:

Insert the top of the DIN

rail into

the slot just

below the stiff metal

spring.

STEP 2:

The DIN

-rail attachment unit will

snap into place as shown below.

To remove the AWK-3121 from the DIN rail, simply reverse Steps 1 and 2.

- 5 -

Wall Mounting (optional)

For some applications, it may be more convenient to mount the

AWK-3121 to a wall, as illustrated below.

STEP 1:

Remove the aluminum

DIN

-rail attachment plate

from the AWK

-3121, and

then attach the wall

mount

ing plates with M3

screws, as shown in the

adjacent diagrams.

STEP 2:

Mounting the AWK

-3121 to a wall requires 4 screws.

Use the AWK

-3121 device, with wall-mounting

plates

attached, as a guide to mark the correct locations of

the 4 screws. The heads of the screws should be less

than 6.0 mm in diameter, and the

shafts should be less

than 3.5 mm in diameter, as shown in the figure at the

right.

Do not drive the screws in all the way into the wall—leave a space of about

2 mm to allow room for sliding the wall-mounting panel between the wall

and the screws.

NOTE

Test the screw head and shank size of the screws by inserting the

screws

into one of the keyhole shaped apertures of the

wall-mounting plate before attaching the plate to the wall.

STEP 3:

Once the screws are fixed into the

wall, insert the four screw heads

through the large opening of the

keyhole

shaped apertures, and then

slide the AWK

3121 downwards, as

indicated to the right. Tighten the

four screws for added stability.

Wiring Requirements

WARNING

Safety First!

Be sure to disconnect the power cord before installing and/or

wiring your Moxa AWK-3121.

- 6 -

WARNING

Safety First!

Calculate the maximum possible current in each power wire and

common wire. Observe all electrical codes

dictating the

maximum current allowed for each wire size.

If the current goes

above the maximum ratings, the wiring could overheat, causing

serious damage to your equipment.

You should also pay attention to the following items:

•Use separate paths to route wiring for power and devices. If power

wiring and device wiring paths must cross, make sure the wires are

perpendicular at the intersection point.

NOTE

Do not run signal or communications wiring and power wiring in

the same wire conduit. To avoid interference, wires with different

signal characteristics should be routed separately.

•You can use the type of signal transmitted through a wire to

determine which wires should be kept separate. The rule of thumb is

that wiring with similar electrical characteristics can be bundled

together.

•Keep input wiring and output wiring separate.

•It is strongly advised that you label wiring to all devices in the system

when necessary.

ATTENTION

This product is intended to be supplied by a Listed Power Unit

marked

“Class 2”, “LPS” or “Limited Power Source” and rated

O/P:

12 to 48 VDC, 0.121 to 0.494 A

Make sure

the external power adapte

r (includes power cords and

plug assemblies) provided with the unit is certified and suitable

for use in your country.

Before connecting the AWK to the DC power inputs, make

sure

that the DC power source voltage is stable.

Grounding the Moxa AWK-3121

Grounding and wire routing help limit the effects of noise due to

electromagnetic interference (EMI). Run the ground connection from the

ground screw to the grounding surface prior to connecting devices.

ATTENTION

This product is intended to be mounted

on a well-grounded

mounting surface, such as a metal panel.

There must be no

electrical potential difference between any two grounding points;

otherwise, there is a risk that it would damage the device.

- 7 -

Installations with Unstable Power Inputs

There are cases where the device has to be wired to the same power

source as other equipment. In such cases if equipment such as motors

that are connected in the circuit draw a large amount of current during

operation, the transient voltage drop could potentially cause the AWK to

become unstable. Installing a DC/DC power isolator in between the two

equipment is recommended to isolate the transient effect and to ensure a

stable power input for the AWK.

Installations with Cable Extended Antennas for Outdoor

Applications

If the antenna or the AWK device is installed outdoors or in an open-air

setting, proper lightning protection is required to prevent direct lightning

strikes on the AWK device. In order to prevent coupling currents from

nearby lightning strikes, a lightning arrester should be installed as part of

your antenna system. Ground the device, antenna, as well as the arrester

properly to provide maximum outdoor protection for the device.

- 8 -

Arrester Accessories

•SA-NMNF-01: Surge arrester, N-type (male) to N-type (female)

•SA-NFNF-01: Surge arrester, N-type (female) to N-type (female)

Wiring the Redundant Power Inputs

The top two pairs of contacts of the 10-contact terminal block connector

on the AWK-3121’s top panel are used for the AWK-3121’s two DC inputs.

Top and front views of the terminal block connector are shown here.

STEP 1: Insert the negative/positive DC wires

into the

V-/V+ terminals.

STEP

2: To keep the DC wires from pulling

loose,

use a small flat

blade screwdriver to tighten the

wire

-clamp screws on the front of the terminal

block connector.

STEP 3:

Insert the plastic terminal block

connector prongs into the terminal block

receptor, whic

h is located on the AWK-3121’s t

panel.

ATTENTION

Before connecting the

AWK-3121

to the DC power inputs, make

sure the DC power source voltage is stable.

Wiring the Relay Contact

The AWK-3121 has one relay output, which consists of the two contacts of

the terminal block on the AWK-3121’s top panel. Refer to the previous

section for detailed instructions on how to connect the wires to the

terminal block connector, and how to attach the terminal block connector

to the terminal block receptor. These relay contacts are used to indicate

user-configured events. The two wires attached to the Relay contacts

form an open circuit when a user-configured event is triggered. If a

user-configured event does not occur, the Relay circuit will be closed.

Wiring the Digital Inputs

The AWK-3121 has two sets of digital input—DI1 and DI2. Each DI

comprises two contacts of the 10-pin terminal block connector on the

AWK-3121’s top panel. You can refer to the “Wiring the Redundant Power

Inputs” section for detailed instructions on how to connect the wires to

the terminal block connector, and how to attach the terminal block

connector to the terminal block receptor.

Cable Holder Installation (Optional)

You can attach the cable holder to the bottom of the AWK-3121. This

helps to keep cabling neat and avoid accidents that result from untidy

cables.

- 9 -

STEP 1: Screw the cable holder onto the bottom

of the AWK

-3121.

STEP 2:

After mounting the AWK-3121 and plugging in the LAN cable,

tighten the

cable along the device and wall.

Communication Connections

10/100BaseT(X) Ethernet Port Connection

The 10/100BaseT(X) ports located on the AWK-3121’s front panel are

used to connect to Ethernet-enabled devices.

Below we show pinouts for both MDI (NIC-type) ports and MDI-X

(HUB/Switch-type) ports.

MDI Port Pinouts

MDI-X Port Pinouts

8-pin RJ45

Signal

Tx+

Rx+

Tx-

Rx-

Rx+

Tx+

Rx-

Tx-

RS-232 Connection

The AWK-3121 has one RS-232 (8-pin RJ45) console port located on the

front panel. Use either an RJ45-to-DB9 or RJ45-to-DB25 cable to connect

the Moxa AWK-3121’s console port to your PC’s COM port. You may then

use a console terminal program to access the AWK-3121 for console

configuration.

- 10 -

Console Pinouts for 10-pin or 8-pin RJ45

10-Pin

Description

8-Pin

–

DSR

RTS

GND

TxD

RxD

DCD

CTS

DTR

–

NOTE

1. The pin numbers for the DB9 and DB25 male connectors,

and hole numbers for the DB9 and DB25 female

connectors

are labeled on the connector strip. However, the numbers

are typically quite small, so you may need to use a

magnifying glass to see the numbers clearly.

2. The pin numbers for both 8-pin and 10-

pin RJ45 connectors

(and ports) are typically not labeled on the connectors

(or

ports). Refer to the pinout diagram above for details.

ATEX Information

1. DEMKO certification number: 10 ATEX 0902666X

2. Ambient range (-40°C ≤Tamb ≤75°C)

3. Certification string: Ex nA nL IIC T4

4. Standards covered ( EN60079-0:2006, EN60079-15:2005)

5. The conditions of safe usage:

a. The Ethernet Communication Devices are intended for mounting

in an IP54 enclosure and used in an area of not more than

pollution degree 2 as defined by IEC60664-1.

b. Conductors suitable for use in an ambient temperature greater

than 93°C must be used for the Power Supply Terminal.

c. A 4 mm2 conductor must be used when connection to the

external grounding screw is utilized.

d. Cables must be suitable for use in an ambient temperature

greater than 93°C.

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