technical reference
48
SYNRAD OEM v30 Operator’s Manual Version 2
Interface connections
Table below provides DB-9 output circuit specifications while following figure illustrates the output
circuit’s equivalent internal schematic.
Table 4-5
DB-9 output circuit specifications
Output Signals
Output Device Type and Specifications
Laser Ready
5V logic output buffer
Lase Indicator
On state Vmin +4.5 VDC @ 50 mA
Overtemp Fault
On state (typical) +5.0 VDC @ 0.5 mA
DC Voltage Fault
Off state Vmax +0.8 VDC
Figure 4-9
DB-9 output equivalent schematic
FIRESTAR v30
OUTPUT CIRCUITRY
DB-9 (
INTERFACE A
) CONNECTOR – OUTPUT PINS
(
2
) LASER READY
(
3
) LASE INDICATOR
(
4
) OVERTEMP FAULT
(
7
) DC VOLTAGE FAULT
(
5
) DC OUT
(
8
) GND
5 VDC, 250 mA
100 Ohm
EMI Filter
100 Ohm
EMI Filter
100 Ohm
EMI Filter
100 Ohm
EMI Filter
