HARTING MICA Bedienungsanleitung

HARTING MICA Wireless User Guide

2 HARTING IT Software Development

2. Edition 2018

No part of this manual may be reproduced in any form (print, photocopy, microfilm or any

other process), processed, duplicated or distributed by means of electronic systems without

the written permission of HARTING IT Software Development GmbH & Co. KG, Espelkamp.

Subject to alterations without notice.

This Guide refers to Base Version 3, Interface Version and Container Version 1.1.0_b1.

HARTING MICA Wireless User Guide

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Contents

Contents ........................................................................................................................3

1Overview.................................................................................................................4

2Components and Connectors ..............................................................................4

3Connecting MICA Wireless to Power...................................................................5

4Antenna Selection and Installation......................................................................6

5Initial Configuration...............................................................................................7

6WiFi Client and Access Point Mode.....................................................................8

7WLAN Settings.......................................................................................................9

7.1 Access Point Mode Configuration...........................................................9

7.2 Client Mode Configuration .....................................................................10

7.3 Advanced Roaming.................................................................................10

8LTE Configuration ...............................................................................................12

9The Mobile Container..........................................................................................13

10 Using LTE Communications...............................................................................14

11 Accessing the LTE Container through Emnify VPN ........................................15

12 Using Location Services.....................................................................................16

13 Further Documentation.......................................................................................18

14 Appendix ..............................................................................................................19

14.1 LED modes...............................................................................................19

HARTING MICA Wireless User Guide

4 HARTING IT Software Development

1 Overview

MICA® Wireless brings a full suite of wireless connectivity to the award-winning HARTING

Modular Industry Computing Architecture. It lets you collect and process data directly at the

machine or plant and forward relevant information to MES and ERP systems wirelessly.

This guide describes the basic MICA Wireless; depending on the MICA variant you have,

there may be an additional function board installed in the device. For any functionality spe-

cific to the function board, please refer to the documentation for your MICA variant.

2 Components and Connectors

The order of connectors is as shown in the picture above (from left to right)

M8 24 V Power connector

Reverse SMA for Wi-Fi (802.11.a/b/g/n, 2.4GHz and 5GHz)

Reverse SMA for GNSS

Reverse SMA for GSM / UMTS

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3 Connecting MICA Wireless to Power

If you received a power supply, connect the cable to the M8 connector. If you received an

open ended power cable, the pin layout is:

Pins 1 and 2 as well as pins 3 and 4 are connected with each other internally.

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6 HARTING IT Software Development

4 Antenna Selection and Installation

When installing antennas, make sure that you use the appropriate antennas and adapters.

The connections on the MICA are reverse SMA. If you are using SMA antennas, the con-

nectors will physically fit, but will not connect correctly electronically.

Since the MICA Wireless only comes with one antenna for each technology, the strength of

the connection can depend highly on the relative orientation of the antennas on the MICA

and other wireless devices the MICA connects to. If you experience weak connections or

frequently dropped connections, check the relative alignment, or chose a different antenna

with a more appropriate characteristic.

Note: if you experience weak connections or frequently dropped connec-

tions, please check that the antennas are installed and connected cor-

rectly first. Then try adjusting the relative alignment of the antennas on

the MICA and other wireless devices or access points in your wireless

network.

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5 Initial Configuration

When the MICA Wireless is initially connected to power, it starts in Access Point mode with

IP address 10.10.10.10 and WPA2 enabled.

The SSID and WPA2 password are listed on the type shield on the bottom of the MICA. Use

these to connect to the MICA from your PC or tablet and to perform the initial configuration.

HARTING MICA Wireless User Guide

8 HARTING IT Software Development

6 WiFi Client and Access Point Mode

The MICA Wireless is initially configured to start in Access Point mode. When you switch

the MICA to Client mode, it will restart and try to connect to the specified wireless access

point. If the MICA is unable to connect to an access point within 1 minute, it will restart in

Access Point mode to make sure it stays available for configuration.

If you are preconfiguring the MICA to deploy later, you can disable this fallback mechanism

by disconnecting the MICA from power after switching to Client Mode. The countdown to the

fallback mechanism then starts when the MICA restarts.

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7 WLAN Settings

7.1 Access Point Mode Configuration

To use the MICA Wireless as an access point:

1. Navigate to Settings →Network

2. Set the correct Country Code for your region

3. Set the operation mode to Access Point

4. Choose the Standard you want the access point to use

5. Optionally, select a specific channel

6. Select the desired security mode

7. Enter the SSID and the network key (PSK). Make sure to remember the access key

since you will need it to connect any Wi-Fi client to the MICA.

8. Choose a DHCP lease range. This is the range of IP addresses the access point

will issue to connected clients

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10 HARTING IT Software Development

7.2 Client Mode Configuration

To configure the MICA in client mode.

1. Navigate to Settings →Network

2. Set the correct Country Code for your region

3. Set the Operation Mode to Client

4. Choose a frequency band

5. Enter the SSID of the access point or scan for available access points. You can also

scan for available access points by clicking the Scan button.

6. Select the appropriate security mode supported by the chosen access point

7. Choose the desired roaming mode (see section 7.3).

When you switch the MICA to Client mode, it will restart and try to connect to the specified

wireless access point. If the MICA is unable to connect to an access point within 1 minute, it

will restart in Access Point mode to make sure it stays available for configuration.

7.3 Advanced Roaming

Starting with Firmware 3, the MICA Wireless supports two roaming modes between two or

more access points with the same SSID und authentication.

Normal Roaming

The default roaming behavior is to switch the AP only if the connection to the old AP

is lost. This saves energy, but can cause low bandwidth and higher latency at larger

distances to the access point.

Advanced Roaming

MICA checks for new access points every 5 seconds and switches the to a new ac-

cess point if the signal strength drops below -40dBm.

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