Siemens
СРЕДСТВА ПРОМЫШЛЕННОЙ АВТОМАТИЗАЦИИ
официальный партнер Сименс
Каталог СА01 2017
архивный
(4872) 700-366
skenergo@mail.ru

Level monitoring relays
3UG4501 monitoring relays

The principle of operation of the 3UG4501 level monitoring relay is based on measuring the electrical resistance of the liquid between two immersion sensors and a reference terminal. If the measured value is lower than the sensitivity set at the front, the output relay changes its switching state. In order to exclude electrolytic phenomena in the liquid, the sensors are supplied with alternating current.

Two-point control

The output relay changes its switching state as soon as the liquid level reaches the maximum sensor, while the minimum sensor is submerged. The relay returns to its original switching state as soon as the minimum sensor no longer has contact with the liquid.

OVER, two-point control

UNDER, two-point control

Note:

It is also possible to connect other resistance sensors to the Min and Max terminals in the range 2 to 200 k?, e.g. photoresistors, temperature sensors, encoders based on resistance, etc. The monitoring relay can therefore also be used for other applications as well as for monitoring the levels of liquids.

Single-point control

If only one level is being controlled, the terminals for Min and Max on the monitoring relay are bridged. The output relay changes its switching state as soon as the liquid level is reached and returns to its original switching state once the sensor no longer has contact with the liquid.

In order to prevent premature tripping of the switching function caused by wave motion or frothing, even though the set level has not been reached, it is possible to delay this function by 0.5 to 10 s.

For safe resetting, the control supply voltage must be interrupted for at least the set delay time of +0.5 s.

OVER, single-point control

UNDER, single-point control

















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Арматура DENDOR

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Датчики и измерители

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Регуляторы и регистраторы

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Пневматическое оборудование

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Краны и Клапаны

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Измерительные приборы

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Системы беспроводного управления «умный дом»

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SKW-FS - Установка умягчения

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SKW-FK - Установка обезжелезивания
Каталог оборудования 2017
Siemens Industry Catalog Drive Technology Automation Technology Automation Systems Operator control and monitoring systems SIMATIC HMI Identification systems Industrial Communication Industrial Controls Industrial Communication Switching Devices Protection Equipment Load Feeders and Motor Starters Monitoring and Control Devices SIMOCODE 3UF motor management and control devices LOGO! logic module Relays Timing relays Monitoring relays SIRIUS 3RR21, 3RR22 monitoring relays f. mounting onto 3RT2 contactors SIRIUS 3RR24 mon. relays for mounting onto 3RT2 contactors for IO-Link SIRIUS 3UG45, 3UG46 monitoring relays for stand-alone installation Line monitoring Voltage monitoring Current monitoring Power factor and active current monitoring Residual current monitoring Insulation monitoring Level monitoring Level monitoring relays Probes for filling level monitoring Speed monitoring Accessories SIRIUS 3UG48 monitoring relays f. stand-alone installation for IO-Link SIRIUS 3RS10, 3RS11, 3RS20, 3RS21 temperature monitoring relays SIRIUS 3RS14, 3RS15 temperature monitoring relays for IO-Link SIRIUS 3RN2 thermistor motor protection SIRIUS 3RN1 thermistor motor protection Coupling relays and signal converters/interface converters Safety Technology Position and Safety Switches Commanding and Signaling Devices Parameterization, Configuration and Visualization with SIRIUS SITOP power supplies SIRIUS non-stabilized power supplies Transformers Filters Reactors Manufacturing Execution Systems (MES) SIMATIC IT PC-based Automation Process control systems Process instrumentation Process analytics SITOP power supplies Products for specific requirements Energy Building Technologies Low-Voltage Controls and Distribution Safety Systems - Safety Integrated Market-specific solutions Industry Services ... and everything else you need




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