Aalborg OSS-2 Optical - Manual (Page 6)

3
Important notes:
In general, “D” Connector numbering patterns are standardized. There are, how-
ever, some connectors with nonconforming patterns and the numbering
sequence on your mating connector may or may not coincide with the numbering
sequence shown in our pin configuration table above. It is imperative that you
match the appropriate wires in accordance with the correct sequence regardless
of the particular numbers displayed on your mating connector.
Make sure power is OFF when connecting or disconnecting any cables in the
system.
The power input is protected by a 600mA M (medium time-lag) resettable fuse. If
a shorting condition or polarity reversal occurs, the fuse will cut power to the valve
circuit. Disconnect the power to the unit, remove the faulty condition, and recon-
nect the power. The fuse will reset once the faulty condition has been removed.
Use of the Optical Sensor Switch in a manner other than that specified in this
manual may impair the protection provided by the equipment.
WARNING: DO NOT CONNECT POWER SUPPLY WITH MORE THAN
15Vdc VOLTAGE.
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Figure 3.1, Optical Sensor Switch 9 Pin “D” Connector Configuration.