α
2 Simple Application Controllers
10.2
System Bit Lists
There is the system bit controlled by system and the control bit to control from user program.
10.2.1
System Bit Lists
Table 10.2: System Bit Lists
System Bit
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 communication Error of AS-interface occurs
M07
"ON" when communication Error by AS-interface power failure occurs
ON when turn Stop mode turns to Run mode in the
M08
pulse output and then turns OFF.
OFF when turn Stop mode turns to Run mode in the
M09
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 modem)
M13
"ON" when it is possible to access the GSM network.
M14
"ON" when the
10.2.2
Control Bit Lists
Table 10.3: Control Bits
Control Bit
N01
*1
N02
*1
N03
N04
*1 When both N02 and N03 are ON and hence the back light is "ON" because N03 is given
the priority.
α
2 series is accessed via GSM.
ON:
Disconnected to AS-interface network
OFF: Connect to AS-interface network
ON:
The back light is "OFF" in LCD.
OFF: The back light is controlled by the "Light Time" setting in Menu.
ON:
The back light is "ON" in LCD.
OFF: The back light is controlled by the "Light Time" setting in Menu.
ON:
The user screen is controlled by the setting of "Display Manager" with AL-
PCS/WIN-E.
OFF: The user screen is controlled by user program.
Key, System Bit and Function Block Lists 10
Description
α
2 Series. The ON signal acts as a
α
2 Series. The OFF signal acts
Description
ENG
ENG-49