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Figure 4-5 User I/O connector pinouts.
User I/O connection summary
Table below provides a quick reference summary to i401 User I/O connections.
Table 4-3 User I/O pin descriptions
Pin
Description
Function
1
PWM Return
Use this input pin as the return side of the PWM Command signal.
2
Remote
Reset/Start
Request input
Apply a positive or negative voltage (±5–24 VDC) with respect to Pin 11,
Input Common, to reset or remote key switch the laser. The laser
remains disabled while voltage is applied. Removing voltage from the
Remote Reset/Start Request input causes the laser’s RDY indicator to
illuminate and begins a five-second countdown after which lasing is
enabled.
3
Remote
Interlock input
Apply a positive or negative voltage (±5–24 VDC) with respect to Pin 11,
Input Common, to enable lasing. If your system does not use a remote
interlock, this pin must be connected to a voltage source in the range of
±5–24 VDC. Refer to Figure 3-7 for a diagram showing how the Remote
Interlock input is factory-jumpered on the Quick Start Plug.
4
+ 5 VDC
Auxiliary Power
This connection pr5 VDC for driving external inputs or outputs.
The +5 VDC Auxiliary Power output can source up to 0.5 A and is
protected by a 0.5 A self-resetting fuse. The return (ground) path must
be through Pin 12, Auxiliary DC Power Ground.
