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