KEYENCE LK-G Series - Manual (Page 11)

9 LK-G-M-NO0-E
The LK-G Series is equipped with the following safety features based on IEC60825-1 and
CDRH Part 1040.10 (Safety of laser products).
■ Laser radiation emission warning indicator
Lights or flashes while the LK-G Series is in operation.
■ Laser remote interlock connector
The laser beam stops radiation emission upon opening the circuit between the REMOTE
terminal and the COM IN terminal.
■ Beam stop or attenuator
The laser beam stops radiation emission by the following operations :
• NPN type: Short-circuiting between the LASER OFF terminal and COM IN terminal.
• PNP type: Apply the voltage between the LASER OFF terminal and COM IN terminal.
Refer to "12-pin I/O terminal block" (page 4-2) for connecting terminals.
Refer to "Expansion Connector" (page 4-5) for connecting terminals.
Laser emission
warning indicator Laser emission
warning indicator Laser emission
warning indicator
REMOTE
COM IN
Short-circuiting wire
COM IN
LASER
OFF A
LASER
OFF B
COM IN
LASER
OFF A
LASER
OFF B
NPN type PNP type
* The laser remote interlock
connector is delivered with the
wire for short-circuiting
installed.