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The remote control box is supplied with each laser and provides for the DC power that the laser head requires. Also, the remote box provides the user with a convenient way of interfacing to the various control and status signals available to/from the laser head as well as providing for the required CDRH ON/OFF key switch. The following table shows the various functions and descriptions for the various pins on each connector on the remote control box.
Technical Specifications
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Connector
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Function
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Pin
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Description
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RS-232
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RS-232 Transmit
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2
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RS-232 level transmit signal
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RS-232 Receive
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3
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RS-232 level receive signal
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Signal Ground
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5
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Signal ground
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I/O
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Laser Enable
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1
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TTL signal to toggle laser emission on and off
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Fault Indicator
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2
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TTL signal for fault status. TTL High = Fault
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Laser Ready
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3
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TTL level for Emission Status. TTL High = Emission
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Signal Ground
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4
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Auto-Start
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5
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Pin is normally High. Ground pin to require computer initiated laser emission (LE=1).
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Laser Power Out
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6
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0-2V output signal represents 0-100% laser power
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+5 Volts
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7
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5V reference
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N/C
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8
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N/C
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Analog Power Control
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Analog Power Control
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BNC center
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0 – 5V signal on this pin will control the laser output power by 0 – 100%
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Power Control Ground
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BNC collar
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Ground reference for the 0 – 5V power control signal
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Interlock- on back of box
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Remote Interlock
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Sleeve/tip
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Normal operation = no plug inserted. When RCA plug inserted and circuit is open = no laser emission
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