2) specific system memory, 1 specifications – Epson FEH300b User Manual
Page 21
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
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