26
Wuhan Raycus Fiber Laser Technologies Co., Ltd.
User Guide of RFL-C20000M-CE
start until the other channel is open, and then the two channels are closed before the laser main power
supply can be started.
If the interlock is closed (the stop button is also released) and there is no error alarm, press the start
(LASER) button to start the main power supply, and the „main power has been started‟ pin of the external
interface will have ahigh-level output. When the security interlocking circuit is open or the error is
detected, the main power supply of the optical module will be turned off, and the „main power supply has
been started‟ signal of the interface will become low level. The detected „error state‟ is latched and the
on-board relay opens the manual reset loop with monitoring until the error is cleared, thus preventing the
laser from being restarted. Iferrors such as short circuit between interlocking channels or short circuit of
start (LASER) button are detected, the safety loop cannot be reset before the error is cleared.
4.6. Schematic diagram of the internal electrical circuit of the laser
The internal electrical circuit of the laser is shown in figure 15
：
