Electrozad

The STB Self-checking Optical Touch Button is a photoelectric-based, manual activation device designed to provide an ergonomic alternative to conventional mechanical push buttons and palm buttons. The STB creates a pulsed infrared beam that spans its touch zone. The buttons switch when their light beam is broken by a simple insertion of a finger. No pushing is necessary, eliminating the hand, wrist and arm stresses that may result from repeated push button operation. This reduces harmful tendon, nerve and neurovascular disorders. The STB features a new internal design based on dual microcontrollers. When the STB is activated, two separate outputs (one normally-open and one normally-closed) change state. The patent-pending STB circuit uses a diverse-redundant, self-checking design, that will detect an internal safety-critical circuit fault and immediately switch its outputs to the OFF state. It's designed to be used with Category 4, Type IIIC Two-Hand Control devices per EN 574. These devices monitor the STB outputs, detect the output change of state and respond accordingly.

Banner Engineering Optical Touch Button, Self-Checking, Series: STB, 20 to 30 VAC/VDC, 20 ms Response, Complementary Relay Output, Momentary Operating Action, 5-Pin Cable, M12, 2.36 in L x 1.7 in W, NEMA 1/3/4/4X/12/13/IP66, 0 to 50 deg C Operating, Threaded Mount, Environmental Conditions: 90% at 55 deg C Non-Condensing Maximum Relative Humidity, (2) Green Indicator LEDs, Polyetherimide, Black

• Continuous internal self-checking operation
• Diverse-redundant microcontroller-based photoelectric touch buttons
• Ergonomically designed to eliminate hand, wrist and arm stresses associated with repeated switch operation, require no physical pressure to operate
• High excess gain cuts through heavy contamination
• Immune to ambient light, EMI and RFI interference
• LED power, output and fault indicators
• Protected against reverse polarity and transient voltages
• Protected against false pulse on power-up
• Electronics fully epoxy-encapsulated fiber reinforced polyester base
• Power on-power applied/output/fault on-button is activated, off-button is deactivated, flashing-internal fault or blocked button on power-up detected

• Full Engineering Drawing https://uat.south.electrozad.com//ASSETS/DOCUMENTS/ITEMS/EN/Banner_Engineering_STBVR81LQ6_Full_Engineering_Drawing.pdf
• Specification Sheet https://uat.south.electrozad.com//ASSETS/DOCUMENTS/ITEMS/EN/Banner_Engineering_STBVP6_Specification_Sheet.pdf