Specifications

Graphic Operation Terminal GOT-F900 Creation of Display Screen (GT Designer) 20
20-37
20.9.2 Bit function
Bit function allows a touch key in the GOT to control the ON/OFF status of a bit device in the
PLC.
The bit function allows a touch key to act as a switch such as a push button switch.
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Contents of setting
1) Operation mode
• Select one among the following output operation modes.
Bit momentary : Turns on/off the controlled bit device in accordance with the ON/OFF
status of the control input key.
Bit ALT : Turns on/off the controlled bit device every time the control input key
becomes ON from OFF (alternate type switch).
Bit SET : Forces ON the controlled bit device when the control input key becomes
ON. The controlled bit device remains ON until a reset input is given.
Bit RST : Forces OFF the controlled bit device when the control input key
becomes ON.
Operation examples of "Momentary" and "Bit ALT"
When a touch key is pressed, Y0 in the PLC is output.
- Switch Control input: Touch key
Controlled bit device (output): Y0
Operation examples of "Bit SET" and "Bit RST"
When the SET key is pressed, Y1 is set. When the RST key is pressed, Y1 is reset.
- SwitchControl input: SET key, RST key
Controlled bit device (output): Y1 (set), Y1 (reset)
When "Operation" is set to "Momentar
y
" When "Operation" is set to "Alternate"
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Y0
Touch ke
y
ON
OFF
ON
OFF
ON
OFF
Y1
RST ke
y
(
reset
)
SET ke
y
(
set
)