206
ML-5120A
Explanation of Terminology
Pulse width Time during which laser light is irradiated.
R
Rated current
Maximum eective current value when a current can be continuously output.
This value indicates that it is prohibited to cause a current to continuously ow exceeding this
level.
Remote interlock
Interlock function to shut o the laser output in an emergency as a means for using the laser de-
vice safely. In this laser, the E-STOP connector (the REM. I/L connector when replacing our old
products) is connected to the door of the room so that laser light may be shut o when the door is
opened. → P.141 and P.142
Resistivity
Electric resistance generally used as a scale to indicate the hardness of current ow for a mate-
rial. Its unit is ohm (Ω). The value that indicates this resistance by unit volume (1 cm x 1 cm x 1
cm) is volume resistivity and its unit is ohm centimeter (Ωcm).
RS-232C
Serial communication standard that is standardized by Electric Industries Alliance (EIA) of the
United States. This is used for a connection between a data line terminator such as MODEM and
a data terminal unit such as PC. Many dierent devices are based on this standard, so that this
standard is used for various elds. Abbreviation of Recommended Standard-232C. → P.154
RS-485
Serial communication standard that is standardized by Electric Industries Alliance (EIA) of the
United States. RS-485 meets the requirement for multi-connection for multiple units of up to 32
units by bus type multi-point connection. Abbreviation of Recommended Standard-485. → P.154
RxD Pin for received data out of signal lines of the communication connector. → P.154
S
Safety shutter
Shutter to cut o laser light, which is incorporated in the laser oscillator section. When the shut-
ter is set to open, laser light is output. → P.119
SCHEDULE
This word means a laser light output schedule in this laser. 256 types of SCHEDULE can be set
and each schedule can be registered with a SCHEDULE number. → P.63
Sequencer
A type of PLC (Programmable Logic Controller) that exerts sequence control by executing the
programmed contents of control, being a product name of Mitsubishi Electric Corporation.
Single phase
Electric current whose magnitude and direction change periodically, having the same phase.
This single phase is used as a 100 V power supply for electric lamps and plug sockets.
sq (square) Unit that represents a sectional area of cable. Square millimeter. → P.49
Start bit
Bit to indicate the beginning of data in the asynchronous communication mode in which synchro-
nization is performed for each data such as control character and symbol. The bit to indicate a
separation between characters is called stop bit. → P.157
STX Control code that is used for communication between computers. → P.157
Surge Abnormal overvoltage or overcurrent applied momentarily to the electric circuit. → P.49
T
TxD Pin for send data out of signal lines of communication connector. → P.157
W
Work distance Distance from the laser light output position to the target workpiece for laser processing.
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