LED SEMICONDUCTOR INFORMATION DEVICE СПИУ12А-8K, 8Ж, 4L or СПИУ12Б-8K, 8Ж, 4L
09 january 2017, 04:43
СПИУ12АБ-8K 8Ж 4L - Led information of the semiconductor device
Led semiconductor information device СПИУ12А-8K 8Ж 4L or СПИУ12Б-8K 8Ж 4L then the backlight is designed to replace the incandescent bulbs in the scoreboard light signal type TSB-220 and made the red yellow green glow. Structurally, the circuit Board indication've put together of the led emitters mounted in a plastic reflector and controller Board is connected by two wires.
On the PCB of the controller is the circuit which implements the function diagram cell Board signalling block TSB-220. The circuit controller provides the mode of the health check Board display when voltage is applied positive potential when working in DC at a bus bulb check SPL. When the contact signal on CSR on the object, the controller generates the current pulse value is not less than 70 mA with a duration of 0.5-1.2 seconds for the relay pulsed signaling type RESRT. Electronic ballast is used to reduce power consumption and provides the illumination of the led emitters.
The use of this class of led emitters is focused on the replacement of incandescent bulbs used in block shields of nuclear power plants on power on control panels and dashboards in circuits with relay type RESRT.
Compared to the traditionally used incandescent bulbs with led backlight have longer life span 50,000 hours versus 3,000 for incandescent lamps and low temperature heating.
Operating temperature range from - 10° to + 55° C.
Led semiconductor information devices retain the performance when changing the supply voltage in the range from -15% to + 10% from the nominal value.
Can be used in alarm circuits do not require the pulsing relay.
The use of led scoreboard with electronic ballasts and electronic single vibrators for start-up relay type RESRT allows
- to improve the aesthetic and ergonomic qualities of the light display
- increase the service life of lighting fittings control panels
- to reduce the consumed means of displaying information, the power from batteries or rectifier unit in order
to increase the reliability of the activation current relay type FIG RTD
- increase the maximum number of input signals, working on one impulse the relay at least in 2 times from 30 to 60 - 70
- remove the problem of shortage of filament lamps
- to provide uniform illumination of the working surface of a Board
to increase the reliability
is to provide the ability to connect to multiple RIS RTD.
The connection is made in accordance with the marking on the PCB.
Wiring diagram of the circuits of control panels alarm is completely analogous to the connection blocks TSB-220 with bulbs and does not require any changes.
+ SPL - bus bulb check
CSR - contact on the signal from the object
RICE - exit to RESTD.
Conclusions CSR and RICE are functionally equivalent and can be connected in any order.
The plastic reflector is mounted in a frame block TSB according to the drawing
Table of parameters and technical characteristics of the manufacture of led semiconductor devices, information SPI
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