856T Control Tower Stack Lights Essential Guide
- December 19, 2019
- Video
- Automation
Allen-Bradley's 856T Control Tower Stack Light system gives users maximum flexibility in meeting the widest range of applications with a reduced number of components. This system uses a modular design that incorporates brighter LED illumination and a broad offering of sound technologies. All signals in the system operate on 24V AC/DC, powered by 24V AC/DC or 120/240V AC power modules.
856T 70 mm Beacons (Top Mounted)
Operational voltage: 24V AC/DC
- Compatible with all the base adaptors and power modules offered in the 856T line
Available functionality:
- Steady/Flashing (in six colors)
- Strobe beacon (one or two pulses) in Red, Amber or Blue
- Rotating Module with two speeds selectable in Red and Amber
- RGB LED Multi-color beacon
- Steady Operating Mode
- Requires three circuits for full 7 color operation
- Two circuits to produce Green, Yellow, Blue
- One circuit will produce Green light only
856T Base Mounting Adaptor
Provides the mechanical means to mount the complete stack light
- Is the lower portion of the base where the power module is installed and secured
Different mounting styles:
- Surface mounting with ½ in. NPT internal thread
- Same footprint as the 855T-BCBC
- Surface mounting with pre-installed screws
- Standard aluminum pole mounting
- 10, 25, 40 and 60 cm pole lengths
- Vertical mount
- Threaded tube (10 and 25 cm tube lengths)
All base adaptors in black color housing
856T System selection as separate components
- 4. Select top sounder or beacon
- 3. Select light modules or in-line sounders
- 2. Select the power module
- 1. Select the base mounting adaptor
856T Light Modules
Steady Light Module
- White LED’s in color plastic lens
- Red LED for red Light module
- Operational voltage 24V AC/DC
- Offered in seven colors
- Pre-installed LED PCB
- Black locking ring at bottom of the module
- IP66/67 Ingress rating
Multi-Function Light Module
- Steady / Flashing / Strobe / Double Strobe functionality
- Flashing 2Hz
- Strobe (1 pulse) 1.4 Hz
- Strobe (2 pulse) 1.4 Hz
- Function selected at module via DIP Switch
- Operational voltage 24V AC/DC
- Offered in seven colors