α2
Simple Application Controllers
Appendix 8
8 - 2
8.2 System Keys
8.3 System Bits
Key Name Key number Key Function
OK K01
Used to enter menu options, confirm data entry, and manually force
inputs ON/OFF in the monitor function.
ESC K02
Used to cancel an operation, move to a higher level screen, or to
move to a new menu.
“+” K03
Used to connect (or “add”) function blocks, increase Direct Set input
values or times, or move through programs or menus.
“-” K04
Used to disconnect function blocks, decrease Direct Set values or
times, or move through programs or menus.
( ) K05
Scroll up through menu options (menus, keys, FB, Inputs, Outputs,
etc.)
( ) K06
Scroll down through menu options (menus, keys, FB, Inputs, Outputs,
etc.)
( ) K07 Move to the right on the LCD display, FB program, or Jump command
( )
K08 Move to the left on the LCD display, FB program, or Jump command
System Bit Description
M01 Always “ON”.
M02 Always “OFF”.
M03 Alternate - 0.5 seconds “ON”, 0.5 seconds “OFF”.
M04 “ON” when Real Time Clock data error occurs.
M05 “ON” when Summer time schedule is activated.
M06 “ON” when AS-interface communication Error occurs.
M07 “ON” when communication Error caused by AS-interface power failure occurs.
M08
“ON” when Stop mode turns to Run mode in the α2 Series. The “ON” signal acts as a
pulse output and then turns “OFF”.
M09
“OFF” when Stop mode turns to Run mode in the α2 Series. The “OFF” signal acts as
a pulse output and then turns “ON”.
M10 Reserved
M11 Reserved
M12 “ON” when CD (DCD) signal is turned ON (receiving CD signal from the modem.)
M13 “ON” when it is possible to access the GSD network.
M14 “ON” when the α2 series controller is accessed via AL2-GSM-CAB.
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