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Option Screen Setup; Block Items; Direct Programming - Mitsubishi Electric ALPHA2 Quick Start Manual

Programmable logic controller
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ALPHA2 QUICK START MANUAL
• SETUP FB Set variables in the Function Blocks for your application.
• CHANGE NO Change the Function Block Number
• DELETE FB Delete Selected Function Block

6.6 OPTION SCREEN SETUP

Various options have been provided for ease of use or for safety
purposes. All of the options in this section can be accessed from
either the Run or the Stop Menu.
6.6.1 CHANGE THE LANGUAGE SETTING
1. Turn the Alpha2 On.
2. Press the "OK" and "ESC" buttons simultaneously to go to the
TopMenu or reset the controller.
3. Scroll to the "LANGUAGE" option and press the "OK" key. The
TopMenu entry "LANGUAGE" is common for all languages.
4. Scroll to the desired language and press the "OK" key. The
languages available are English, German, French, Italian, Spanish,
Swedish, and Russian
5. Use the "ESC" key to exit to the Topmenu.
6.6.2 ClockSET
n TO SET THE CLOCK
1. From the TopMenu, scroll to "ClockSet" and press the "OK" key.
2. From the options that appear, choose "ClockSet" and press the "OK"
key.
3. Use the arrow keys to move to an area that needs to be changed.
4. Adjust with the "+" or "-" keys.
5. Repeat steps 3-4 until ALL changes have been completed.
6. Press the "OK" key to accept all the changes or the "ESC" to
discards the changes.
7. Press the "ESC" key to return to the Top Menu.
n TO SET THE DAILY CORRECTION
1. From the TopMenu, scroll to "ClockSet" and press the "OK" key.
2. From the options that appear, choose "Correct" and press the "OK"
key.
3. Set the daily correction time with the "+" or "-" keys.
4. Press the "OK" key to accept the value and press the "ESC" key to
return to the Top Menu.
CAUTION:
When setting the Real Time Clock or inputting a daily clock
adjustment please change the mode to Stop.
NOTE: The date setting can be displayed as yyyy/mm/dd, dd/mm/yyyy,
or mm/dd/yyyy by manipulating the "+" and "-" keys.
6.6.3 PASSWORD
The password consists of four digits and will prohibit entry into the
ProgEdit, Monitor, Disp Pass and Serial Com modes only. All other
menu options can be accessed when a Password is used.
n TO ENTER A PASSWORD
1. Select "Others..." Menu Option.
2. Select "Password" from the "Others..." Menu Options
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Mitsubishi Electric Automation, Inc.
3. Use the "+" and "-" keys to enter the desired password.
4. Press the "OK" key to accept and activate the password.
5. A key symbol will now be displayed at the top of the Alpha2 display.
n TO CANCEL A PASSWORD
1. Select the "Others... " Menu Option" .
2. Select "Password" from the "Other" Menu Options. "Cancel
Password" should appear on the top of the screen.
3. Use the "+" and "-" keys to enter the current password.
4. Press the "OK" key to accept and deactivate the password.
5. The key symbol will be removed from the Alpha2 display.
NOTE: The Password can also be set/deleted from the AL-PCS
software or deleted by the "PROGCLEAR" command

6.7 BLOCK ITEMS

Each block item contains an individual diagram that shows the block
number, available number of input pins, the output pin if applicable,
and the block mnemonic. Connections between blocks can be viewed
at the pin locations when connected blocks are shown individually on
the LCD.
6.7.1 Input Blocks
The Input Blocks consist of System Inputs (I01 - I15), Key Inputs
(K01-K08), System Bits (M01-M24) or Link Inputs (E01 - E04). The input
number is shown in the top right hand corner, the type of input in the
lower right hand corner, and the output pin is shown on the far right of
the block. Input Blocks provide information to the Function Blocks or
Outputs.
6.7.2 Function Blocks
The individual Function Blocks are described in detail in Chapter 9. The
number and block mnemonic are shown in the top right and bottom
right locations respectively.
6.7.3 Output Blocks
Output Blocks have one input and one output pin. They only have the
capacity for one input signal through the input pin. The Output Block
number and Mnemonic are shown in the top right and lower right hand
corner of the diagram respectively.
6.7.4 Connected Blocks
Blocks that are connected can be shown simultaneously onscreen.
The block providing the output signal will be shown on the left of the
screen. The input pin accepting the signal will flash. Any input pin that
is already connected will be shown as a solid triangle.

7. DIRECT PROGRAMMING

The Alpha2 can be programmed using the front panel keys on the
Alpha2 series controller. The following sections will describe how to
connect/disconnect function blocks, set program parameters, add
Function Blocks, and move around within the program.
The ProgEdit mode in the Stop Menu has full programming capability.
The Monitor mode in the Run Menu has the capability to manipulate
Function Block values and settings but cannot edit, change, or delete
the existing programk.

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