Specific System Memory - Fuji Electric FEH300b Hardware User Manual

(2) Specific system memory

The table below lists system memory specific to @E.Terminal controller unit.
[Expansion annunciator relay area]
Address Names
Display unit connection status
SM1240
flag
(%MX10.124.0)
[Cause of memory error]
Address Names
SM84 Display unit DPRAM error
(%MX10.8.4)
Descriptions
Represents whether a display unit is connected
(ON/OFF of display unit power supply).
1: Connected 0: None
Descriptions
Turns ON when an error occurs in DPRAM for
display unit I/F in controller unit.
2-7
2-1 Specifications
Level
Fatal fault