LockMaster LM104B User manual

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Retro-Reflective Photocell (Item No. LM104B)
User Manual
Thank you for purchasing the Retro-Reflective Photocell (LM104B). It is designed to be
used as a reversing sensor for automatic garage door, vehicle swing gates and parking
barriers. It is very easy to install and use with reliable performance.
Specifications
Detection Method: Retro-Reflective
Angle: 1.5oapprox.
Max. Sensing Range: 40 Feet (12 m)
Supply Voltage: 12-36VDC/12-24VAC
Output: Relay SPDT
Output Capacity: 1A/24VDC, 1A/120VAC
Protection Degree: IP66
Part List

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Installation
WARNINGS
★Do not touch un-insulated cables unless they are disconnected upstream. Do
not install the sensor during storms with lightning.
★If the cable is subjected to flexing, a coiled section should be used with a
bending radius that prevents 90 degree bends in angle.
Install the photocell over the height of 20cm. Install the photocell vertically with the
bracket. Power on the photocell to determine the position of the reflector. Ensure
there is no obstruction between photocell and the reflector. Fix the reflector
when the working light of the phtocell is Green.
Wiring Connection
Definition of the terminals:
TS (#1): No use. Terminal for factory testing.
AC10-25V DC12-30V (#2 & #3): Power Input, 10-25VAC or 12-30VDC. No matter the
polarity if the power input is DC power.
NO (#4): Output contact. Normal open while the photo beam is aligned. Normal
closed while the photo beam is obstructed.
NC (#5): Output contact. Normal closed while the photo beam is aligned. Normal
open while the photo beam is obstructed.
COM (#6): Common Output contact.