User manual

3 PLC Communication
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3.6.3 System signal 3 (GP/LP ← PLC)
System signal 3 [UW17]
F E D C B A 9 8 7 6 5 4 3 2 1 0
1 Word
It is allotted in GP, LP inner word device UW17(UB170 to UB17F).
 Bit 0 (UB170): Buzzer turns ON when this bit is changed from OFF to ON. Buzzer turns
OFF when this bit is changed from ON to OFF. Buzzer turns OFF when user touches the
screen, this bit maintains ON status.
 Bit 1 (UB171)
 Bit 2 (UB172)
 Bit 3 (UB173)
 Bit 4 (UB174): Backlight turns OFF when this bit is changed from OFF to ON. Backlight
turns ON when this bit is changed from ON to OFF. Backlight turns ON when user touches
the screen, this bit maintains ON status.
 Bit 5 (UB175): It prints alarm when this bit is changed from OFF to ON.
 Bit 6 (UB176)
 Bit 7 (UB177)
 Bit 8 (UB178)
 Bit 9 (UB179)
 Bit A (UB17A)
 Bit B (UB17B)
 Bit C (UB17C)
 Bit D (UB17D)
 Bit E (UB17E)
 Bit F (UB17F)