United Technologies Electronic Controls MICROLINK5 User Manual

1

ML5 WiFi Capabilities (Separate section inside the manual just for WiFi.

The ML5 controller offers connectivity thru WiFi 802.11 b/g/n. When the device is connected to
the WiFi the user can connect to the ML5 controller via the Data-Connect program. Additionally
the user can connect to the ML5 controller through your devices browser by accessing a
webpage that resides on the ML5 controller.

There are two types of operating systems that can connect to the ML5 controller, IOS and
Android. IOS systems require you to enter the password in your systems setting and enter the
password a second time when logging into the Data-Connect program or resident webpage. The
Android system only requires you to log into the devices WiFi settings.

The ML5 WiFi can be accessed through the Alt menu on the keypad. Select Alt and arrow

through the display until ‘net’ is displayed, select ENTER key. Scroll through the menu until “

EnbL” is displayed in the left display. On the right display the user can scroll up or down and
select “On” to enable WiFi or “OFF” to disable.

Steps to log into the controller network.

Start the refrigeration system.
Turn on your wireless device, tablet, cellphone, etc.

1) From your home screen, tap the Apps located at the upper-right of your tablet screen.

2) Tap on the Settings icon. ...

3) Tap on the Wireless and networks section, tap on Wi-Fi settings.

4) Tap on Wi-Fi: Turn on Wi-Fi.

5) Locate your wireless network by locating the Container ID in the available networks (SSID).

6) You’ll be prompted by your device at this point to enter the password.

To see the password access the controller keypad.

1) Press “Alt Mode”

2) use the down arrow to get “nEt” to show on the display.

3) Press “ENTER”

4) use the down arrow to get “PASSW EntR” to show on the display.

5) Press “ENTER”

6) wifi password translation…

Notes about the password:

WiFi password resets every 4 hour (hours 2,5,8,11 based on system clock)
Password is good for the customers fleet (assuming all clock are set properly)

2

If communicating at the password change time boundary, the session can run for an addition 4
hours without changing the password.
Data-Connect (internal app)………

- Add instruction to connect app to controller

Connecting with device browser……..

- Add instruction to open browser and open webpage

Controller Function Code:

WiFi User Interface:

1.1 Wireless menu in ALT. Mode

Below are the necessary (limited set of) parameters that are needed for wireless configuration
and status checks, accessible via the 7-seg LCD display.
More comprehensive wireless configuration and status are available via the embedded http
portal.
All the below parameters are available in ALT. Mode under the “nEt” menu.

Need to determine how to explain many of
these options to the user

TYPE

Display, Select

FUNCTION

WIRELESS ACCESS

MAIN MENU

Wireless Enable/ Disable, WiFi Role, WiFi
Access Point Status, WiFi Client Status (WiFi
Role = Station), Token (Derived Key), WiFi
Password

DEFAULT

Wireless Enable/ Disable

MAIN MENU DISPLAY

For Wireless Enable/ Disable: Left Display: “

EnbL”, Right Display: “ on”, “ OFF”
For WiFi Role: Left Display: “ roLE”, Right
Display: “ AP”, “ STA”, “ dUAL”

For WiFi Access Point Status: Left Display:

“APStA”, Right Display: “ OFF”, “ InIt”, “

IdLE”, “ Err”, “ Conn”

For WiFi Client Status: Left Display: “ CStA”,
Right Display: “ OFF”, “ Conn”, “ InIt”,

“IPCHk”, “ IdLE”, “ SrCH”, “ Err”

For Token (Derived Key): Left Display: “

toK”, Right Display: “ EntR”

When Enter is pressed: Left Display: <blank>,
Right Display: 4 digit numeric text (Phase 1),

“ COnF”