MAN0878-09-EN_XLE_XLT_UserManual
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%QG Global Digital Output
Specially defined single-bit outputs that go to the network.
%R General Purpose Register
Retentive 16-bit registers.
%S System Bit
Single-bit bit coils predefined for system use.
%SR System Register
16-bit registers predefined for system use.
%T Temporary Bit
Non-retentive single-bit registers.