KEYENCE LS-3100/3100W Series - Manual (Page 54)

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CHAPTER 4 Functions and Controls
The desired program No. can be selected from external equipment using the
following terminals:
<Terminal Block> program selector input:
Programs 1 to 5 selectable
<Control I/O> terminals #2 to #11:
Programs 1 to 10 selectable (program selector input)
Note that when two or more terminals are grounded at the same time, the
program with the smallest number will be selected.
Program Selector Input
Terminals
AUTO ZERO Terminals Auto Zero function can be activated or deactivated from external equipment
using the following terminals:
<Control I/O> zero set terminal:
Ground to activate Auto Zero function
<Control I/O> zero reset terminal:
Ground to deactivate Auto Zero function
Auto Zero function can be activated as many times as desired without being
deactivated.
HOLD Terminal Hold function can be activated or deactivated from external equipment using
the following terminals:
<Terminal Block> HOLD synchronous input:
Ground to activate and open to deactivate HOLD function
<Control I/O> synchronous input:
Ground to activate and open to deactivate HOLD function
Unlike Auto Zero function, no terminal is provided for deactivating the Hold
function. That is, while each of the above terminals is grounded, the Hold
function remains activated. However, this function remains deactivated when
the terminal is left open.
Laser Emission Control
Input Terminal The laser emission indicator LED lights when this terminal is left open,
stopping the emission of the laser beam. For shipment, a jumper is pro-
vided.
<Terminal Block> Laser Remote:
Ground to stop and open to release the emission
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