Storage tank level controller
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Catalog excerpts

Storage tank level controller - 1

Level electronics ETS/ENR for control of liquid levels Level electronics in combination with float switches or level rod probes permit the control and monitoring of the liquid level. The ETS/ENR level electronics are based on the principle of conductive level measurement and have been developed specifically for process liquids in the general metal finishing industry and for electroplating. The sensitivity can be set in stages according to the conductivity of the process liquid. All level electronics have been tested in accordance with EN61326 for electromagnetic compatibility and offer functional safety according to SIL2 in line with EN61508. Level monitoring For monitoring the liquid level as a MIN or MAX switching contact, the device ETS100 is used. On exceeding the set maximum level or undershooting the defined minimum level, the contact switches. If the level of the process liquid returns to the "permitted” range, the contact is switched back. The ETS 200 device can be used to monitor two separate liquid levels in one tank independently. 3 { 15 • ACTIVE FUMCTlOtT-: t«u «• Fjx • RELAY 1 l-J• RELAY fI • RELAY 3 • RELAY 4 Level control The ENR300 level controller is equipped with a switching relay output for the MIN/MAX control. For monitoring a further minimum or maximum level, there is another switching contact available. The ETS410 level electronics have four separate signal inputs and four relay outputs. This means that four independent levels can be detected in one tank and evaluated, for instance via a PLC. - FUNCTION-: F«.lf*ETOIl rufw fj i V „r The dielectric strength of the signal inputs is 50V DC. If a higher dielectric strength is required (e.g. in pulse-plating processes), the electronic ballast device EVG200 can be used with an dielectric strength of 200V DC and has to be connected to each signal inputs of the corresponding level electronics. The level electronics and the electronic ballast device are designed for control cabinets with top-hat rail mounting for close mounting. GALVATEK S.A.S - 9, rue de la Tour du Mesnil-Renard - 78270 Bonnieres, France www.galvatek.com - Tel. 01 30 93 07 57 Fax. 01 30 93 25 04 - info@galvatek.fr

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Storage tank level controller - 2

%’^y* -Selection Table of the Control and Monitoring Electronics Technical data No. of level switching points Contacts (potential-free) Switching status display Voltage Switching voltage Switching current Test function Input Switching delay Output voltage / current Trigger sensitivity Dielectric strength Mechanical construction Casing material Flammability class housing Mounting Dimensions Index of protection 3 s 0,1.6V~ / < 5 mA~ 0,05.100 kO (10 pS.2x 104 pS) adjustable with 16 stages 50 V DC Polyamide PA 6.6 V0 (UL94) on 35 mm mounting rail (acc. to EN 50022) w = 22,5 mm, h = 111 mm, d =...

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