Panasonic LP-GS Series, Setup & Maintenance Manual

Page: 73 / 190

73
No. Name and description
X16
X17
X18
X19 INTERLOCK 1(+)
INTERLOCK 1(-)
INTERLOCK 2(+)
INTERLOCK 2(-)
The terminal used as the interlock, which is connected to the door or switches of the safety device.
When the connection between INTERLOCK (+) and INTERLOCK (-) is opened, the shutter is closed and the
laser pumping is turned OFF physically.
To enable the laser radiation, connect INTERLOCK (+) and INTERLOCK (-) with the non-voltage contact (dry
contact) such as a relay or a switch.
Using both INTERLOCK 1 and INTERLOCK 2 with a safety relay unit, the safety designed system with the
double-circuit of the interlock can be constructed.
INTERLOCK connection Shutter Laser pumping
X16 - X17: Open
Close OFF
X18 - X19: Open
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• INTERLOCK terminals (X16, X17 and X18, X19) are connected to the operating coil of the internal relay
in the controller. Connect INTERLOCK (+) and INTERLOCK (-) with the non-voltage contact (dry contact)
such as a relay or a switch. Do not connect with the voltage contact such as a transistor.
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• Between INT) and INTERLOCK(-) are wired by a short bar for the shipment.
• For the connection of INTERLOCK terminals (X16, X17 and X18, X19), refer to “2-6 Construction of System”
(P.47) and “4-5-4 Connection example of interlock terminals and laser stop terminals” (P.90).
X20 N.C.: Not connected
Do not connect externally.
ME-LPGS-SM-8