KEYENCE GT Series User Manual

Gt-70a, Series setting guide, Multipurpose digital contact sensor

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Multipurpose Digital Contact Sensor


Series Setting Guide

Amplifier Display

Names of the part of the amplifier

Digital LED Display

The main display can be switched by pressing the left/right arrow

P.V. : Displays a value used for output judgment.
Calc : Displays a calculated value when used.
R.V. : Displays the raw, actual detection value.

HI : Displays the HIGH setting value.
LOW : Displays the LOW setting value.
PRESET : Displays the value which would be set when the [PRESET]

button is pressed.

Setup Functions

Set the current value to “0”

1. Set the master target which should be “0”.

2. Press the [PRESET] button.

3. The current value would be set to “0”.

Set the HIGH and LO tolerance.

1. Press the left/right arrow buttons until the [HIGH]/[LO] setting

display appears.

2. Input the HIGH or LO tolerance by pressing the up/down arrow


3. The HIGH and LO tolerance would be set.

Setting the Key Lock

1. Press the MODE and the up arrow button for at least 2 seconds.

2. The Key Lock display would appear.

Canceling the Key Lock

1. When the Key Lock is set, press the MODE and the up arrow button

for at least 2 seconds.

2. The Key Lock would be cancelled.

Digital LED display

Status indicator

Arrow buttons

Detection level


[SET] button

Bank indicator

Timing input indicator

Bar LEDs

High position indicator/

Low position indicator

Preset indicator

PV indicator

[MODE] button

1. P.V. value display

2. Calculated value display

3. R.V. value display

4. HIGH setting value display

5. LOW setting value display

6. Preset value setup display

Master workpiece

HIGH setting value display

LOW setting value display

Keylock display

Keylock cancel display