Moxa Technologies AWK-3252A Series Manuale utente

P/N: 1802032520014

*1802032520014*

AWK-3252A Series

Quick Installation Guide

Moxa AirWorks

Version 1.3, October 2022

Technical Support Contact Information

www.moxa.com/support



- 2 -

Overview

The AWK-3252A Series is an industrial-grade AP/bridge/client with IEEE

802.11ac Wave 2 technology. This Series features concurrent dual-band

Wi-Fi data transmissions up to 400 Mbps (2.4 GHz mode) and 867 Mbps

(5 GHz mode) simultaneously, meeting the speed and flexibility

requirements for industrial applications. In addition, the built-in dual

band pass filter and the wide-temperature design ensure the reliability

and continuous operation in harsh environments. The dual redundant

DC power inputs enhance availability while PoE support provides more

flexibility for powering end devices and simplifying field-site

deployments. Meanwhile, backwards compatibility with 802.11a/b/g/n

makes the AWK-3252A the ideal solution for constructing a versatile

wireless data transmission system.

Hardware Setup

This section covers the hardware setup for the AWK-3252A.

Package Checklist

Moxa’s AWK-3252A is shipped with the following items. If any of these

items is missing or damaged, please contact your customer service

representative for assistance.

•1 x AWK-3252A wireless AP/client

•2 x 2.4/5 GHz antennas: ANT-WDB-ARM-0202

•DIN-rail kit

•1 x USB protective cap

•Cable holder with one screw

•Quick installation guide (printed)

•Warranty card

Optional Mounting Accessories (Sold Separately)

•Wall-mount kit including 6 screws (M3x6)

- 3 -

Panel Layout of the AWK-3252A

1. Grounding screw (M5)

2. Terminal blocks for PWR1,

PWR2, relay, DI 1 and DI 2

3. Reset button

4. Antenna connector 2

5. System LEDs: PWR1, PWR2,

PoE, 2.4GHz, 5GHz, SYSTEM

6. USB host (type A for ABC-02)

7. Console port (RS-232, RJ45)

8. LAN1 (PoE), LAN 2 ports

(10/100/1000BaseT(X) ports,

RJ45)

9. Antenna connector 1

10. Model name

11.

Screw holes for wall-

mounting

kit

12.

DIN-rail mounting kit

13.

Cable holder screw

- 4 -

Mounting Dimensions

DIN-rail Mounting

When shipped, the metal DIN-rail mounting kit is fixed to the back

panel of the AWK-3252A. Mount the AWK-3252A on to a corrosion-free

mounting rail that adheres to the EN 60715 standard.

STEP 1:

Insert the upper lip of the DIN

-rail

kit into the

mounting rail.

STEP 2:

Press the

AWK-3252A towards the

mounting rail until it snaps into

place.

- 5 -

To remove the AWK-3252A from the DIN rail, do the following:

STEP 1:

Pull down the latch on the DIN

rail kit with a screwdriver.

STEP 2 & 3:

Slightly pull the

AWK-3252A

forward and lift it up to remove

it from the mounting rail.

Wall/Ceiling Mounting (Optional)

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

3252A to a wall or ceiling, as illustrated below.

STEP 1:

Remove the aluminum DIN-rail attachment plate from the AWK-3252A,

and then attach the wall-mounting plates with M3 screws, as shown in

the following diagrams.

STEP 2:

Mounting the

AWK-3252A to a wall requires 2 screws.

Use

the AWK-3252A device, with wall-mounting plates

attached, as a guide to mark the correct locations of

the

2 screws on the wall. The heads of the screws

should be less than 6.0 mm in diameter, the

shafts

should be less than 3.5 mm in diameter,

and the screw

length shoul

d be at least 15 mm,

as shown in the figure

on the right.

Do not drive the screws in all the way—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 by inserting the screws into

one of the keyhole shaped apertures of the wall

-mounting

plates before they are fixed to the wall.

- 6 -

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-3252A downwards (wall mounting) or forwards (ceiling

mounting), as indicated to the right. Tighten the two screws for added

stability.

WARNING

•

This equipment is intended to be used in a Restricted

Access Location, such as a dedicated computer room

where

only authorized service personnel or

users can gain access.

Such personnel must be instructed about the fact that the

metal chassis of the equipment is extremely hot and may

cause burns.

•

Service personnel or users have to pay special attention

and take special precautions before handling this

equipment.

•

Only authorized, well-trained professionals should be

allowed to access the restricted access location. Access

should be controlled by the authority responsible for the

location with lock and key or a security identity system.

•

External metal parts are hot!! Pay special attention or

use special protection before handling the equipment.

Wiring Requirements

WARNING

Safety First!

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

wiring your

AWK-3252A.

Calculate the maximum possible current in each power wire

and common wire. Observe all electrical codes that dictate 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.

Read and Follow These Guidelines:

•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 crossing point.

- 7 -

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 that shares similar electrical characteristics can be

bundled together.

•Keep input wiring and output wiring separated.

•For future reference, you should label the wiring used for all of your

devices.

NOTE

If the device is powered by PoE, the PSE equipment

and cabling

should not be connected to outside facilities.

NOTE

The product is intended to be supplied by a

UL Listed Power

Unit marked "L.P.S." (or "Limited Power Source") and is rated

-48 VDC, 2.2-0.5A min. (supplied by power adapter) or 48

DC, 0.5A min. (supplied by PoE), Tma = 75 degree C. If you

need further

assistance with purchasing the power source,

please contact Moxa for further information.

NOTE

If using a Class I adapter, the power cord must be connected to

a socket-outlet with an earthing connection.

ATTENTION

Make sure

the external power adapter (includes power cords

and plug assemblies) provided with the unit is certified and

suitable for use in your country or region.

ATTENTION

DO NOT use a PoE Injector. Instead, use an IEEE 802.3af or

IEEE 802.3at

compliant PSE (Power Sourcing Equipment) for

PoE (Power over Ethernet) devices.

ATTENTION

The USB

interface is coded to only support Moxa’s ABC-02

dongle for troubleshooting or debugging purposes.

NOTE

This product can be deployed on vehicles as the control unit’s

wireless interface that collects data from different I/O devices

and transmits the data to vehicle dispatch centers.

- 8 -

Grounding the AWK-3252A

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 to a well

-grounded

mounting surface, such as a metal panel.

The potential

difference between any two

grounding points must be zero. If

the potential difference is NOT zero, the

product could be

permanently damaged.

Installations with Cable Extended Antennas for Outdoor

Applications

If an AWK device or its antenna is installed in an outdoor location,

proper lightning protection is required to prevent direct lightning strikes

to the AWK device. In order to prevent the effects of 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.

Arrester Accessories

•SA-NMNF-02: Surge arrester, N-type (male) to N-type (female)

•SA-NFNF-02: Surge arrester, N-type (female) to N-type (female)

- 9 -

Terminal Block Pin Assignment

The AWK-3252A comes with a 10-pin terminal block located on the top

panel of the device. The terminal block contains dual power inputs, a

relay output, and dual digital inputs. Refer to the following figure and

table for the detailed pin assignment.

Definition

DC Power Input 1

DC Power Input 2

Relay Output

Digital Input 1

Digital Input GND

Digital Input 2

Digital Input GND

Wiring the Redundant Power Inputs

The first two pairs of contacts of the 10-contact terminal block

connector on the AWK-3252A’s top panel are used for the AWK-3252A’s

two DC inputs. The top view of the terminal block connector is shown

below.

STEP 1: Insert the negative/positive DC

wires into the

+/- terminals.

STEP

2: Insert the plastic terminal block

connector prongs into the terminal block

receptor, which is

located on the AWK-

3252A

’s top panel.

NOTE

Before connecting the AWK-3252A DC power inputs, make sure

the DC power source voltage is stable.

•

The wiring for the input terminal block shall be installed by

a skilled person.

•

Wire type: Cu

•

Only use 16-22 AWG wire size.

•

Use only one conductor in a clamping point between the DC

power source and the power input.

- 10 -

ATTENTION

If the

AWK-3252A

is connected to a motor or other similar type

of equipment, be sure to use power isolation protection. Before

connecting the

AWK-3252A to the DC power inputs, make sure

the DC power source voltage is stable.

Wiring the Relay Contact

The AWK-3252A has one relay output, which consists of the two

contacts of the terminal block on the AWK-3252A’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-3252A has two sets of digital inputs—DI1 and DI2. Each DI

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

AWK-3252A’s top panel. 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

Attach the cable holder to the bottom of the AWK-3252A to keep

cabling neat and avoid accidents that result from untidy cables.

STEP 1:

Screw the cable holder onto the botto

of the

AWK-3252A.

STEP 2:

After mounting the AWK-3252A

and plugging in the LAN cable,

tighten the cable along the device and wall.

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