Omron HOME SECURITY SYSTEM - MOTION SENSOR FQM1-MMA21 - Manual (Page 113)

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Wiring Precautions Section 3-6
Output Surge Current When connecting a transistor or triac output to an output device having a high
surge current (such as an incandescent lamp), steps must be taken to avoid
damage to the transistor or triac. Use either of the following methods to
reduce the surge current.
Method 1
Add a resistor that draws about 1/3 of the current consumed by the bulb.
Method 2
Add a control resistor as shown in the following diagram.
OUT
R
COM
L
+
FQM1
OUT
R
COM
L
+
FQM1