Banner MULTI-BEAM Series - Manual (Page 2)

Banner Engineering Corp. 9714 10th Avenue No., Minneapolis, MN 55441 Telephone: (612) 544-3164 FAX (applications): (612) 544-3573
WARRANTY: Banner Engineering Corporation warrants its products to be free from defects for one year. Banner Engineering Corporation will repair or replace, free of charge,
any product of its manufacture found to be defective at the time it is returned to the factory during the warranty period. This warranty does not cover damage or liability for the
improper application of Banner products. This warranty is in lieu of any other warranty either expressed or implied.
Installation and Alignment
The reliable performance of Light Screen Systems requires careful alignment and secure
mounting. The model SMBLS 2-part, 3-axis mounting bracket (shown below) is highly
recommended. Solid mounting is important. Mounting locations should be as free from
vibration as possible. If vibration is unavoidable, allow the emitter and receiver to
vibrate together: no high-amplitude differential vibration is allowed.
Mount the emitter and receiver facing each other at their operating locations. Their faces
(front panels) should be exactly parallel and opposite each other. The line of transmitter
LEDs should be exactly parallel with and opposite to the line of receiver phototransistors.
This constitutes optimal mechanical alignment.
Optimum mechanical alignment does not always result in optimum optical alignment.
When optical alignment is optimum, the receiver status indicator (on the front of the
receiver) will be "off" and remain "off" with a moderate level of vibration at either the
emitter or the receiver.
Beginning with optimum mechanical alignment, adjust for optimum optical alignment
as described in steps #1 through #5. The procedure assumes use of the SMBLS mounting
bracket shown in the drawings below.
1) Loosen the two bolts holding the two parts of the bracket together just enough to
allow the upper ("carriage") bracket along with the emitter to be rotated about the
emitter's vertical axis. Also, slightly loosen the mounting bolts in the curved slots of the
"base" bracket, which will allow the SMBLS bracket to be tipped "side-to-side".
2) With power applied to both units, "tip" the entire SMBLS bracket slightly from
side to side. Find the extremes of movement between which the receiver's red indicator
LED remains "off". Secure the base bracket at the point midway between the extremes.
3) Rotate the carriage bracket (to which the emitter is attached) slightly in both directions about the emitter's vertical axis. Find the extremes of
bracket rotation between which the receiver's red indicator LED remains "off". Secure the emitter midway between the extremes by tightening the
two bolts that lock the two parts of the SMBLS bracket together.
4) Loosen the two mounting bolts that hold the emitter to the carriage bracket. Slide the emitter up and down vertically in the bracket, noting the
extremes between which the receiver's red LED indicator remains "off". Tighten the bolts to secure the emitter midway between the extremes. (Note:
If the initial mechanical alignment was inadequate, it may be necessary to repeatedly alternate tipping, rotating, and sliding movements before optimal
optical alignment can be attained.)
5) Perform step #3 again, this time using the receiver unit and it's bracket.
6) Check for proper alignment by breaking one or more of the beams. The receiver indicator LED and outputs should come "on" when one or more
beams are broken. Tighten all mounting hardware securely in position.
Dimensions,
LS4 Light Screen Systems
Model SMBLS Accessory Mounting Bracket
Model SMBLS is an accessory two-part
bracket assembly that allows adjustment in
three directions. It consists of two 11-gauge
zinc-plated steel right-angle brackets that fas-
ten together so that they rotate relative to each
other.
The light screen sensor attaches to the upper
("carriage") bracket. Slots are provided for
vertical adjustment.
The SMBLS must be ordered separately from
the light screen sensors.
WARNING
These photoelectric presence sensors do NOT include the self-checking redundant circuitry necessary to allow their use in
personnel safety applications. A sensor failure or malfunction can result in either an energized or a de-energized sensor output condition.
Never use these products as sensing devices for personnel protection. Their use as safety devices may create an unsafe condition which could
lead to serious injury or death.
Only MACHINE-GUARD and PERIMETER-GUARD Systems, and other systems so designated, are designed to meet OSHA and ANSI machine safety
standards for point-of-operation guarding devices. No other Banner sensors or controls are designed to meet these standards, and they must NOT be used as sensing
devices for personnel protection.
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(763) 544-3164 www.bannerengineering.com