VEGATOR 425 F - TIB - Technical Information
Contents
1. For mounting on standard rail TS J Be ee ae 35 mm an adapter is attached to the instrument The two screws located on the front are used to fasten the instrument on the plug in socket For single mounting remove the interconnecting pins and connect the supply voltage directly The coded key prevents other series 400 instruments being fitted Beware The pins on terminals 13 14 and 15 carry supply Remove all interconnecting pins on the voltage first base socket VEGATOR A2 5F Electrical connection Relay output level signal PE at DC lt Mains connection Relay output fault signal function switch lock on back of the instrument Electrode with oscillator 1 s m y te VEGA The electrical connections should be made on the mounting assembly in accordance with the diagram located on the back of the instrument Standard two wire cable can be used as measuring line electrode and signal conditioning instrument If electromagnetic interferences have to be expected screened cable must be used Protective measures If there is a danger of voltage spikes overvoltage arresters are recommended Note TIB Overvoltage arresters for connection bo eae Level signal Fault signal Ugmax 28 V DC Ugmax 28 V DC Ipmax 10mA Igmax 10 mA Uce min lt 0 8 V at ig 10 mA Uce min lt 0 8 V at Ig 10 mA Start up Feed supply voltage should comply with voltage stat2. VEGATOR 425 F TIB Technical Information Operating Instructions VEGATOR O 425 F Signal conditioning instrument Level switch with fault monitoring for connection of a capacitive electrode VEGA Grieshaber KG Electronic level measurement Am Hohenstein 113 Postfach 11 42 D 77757 Schiltach Phone 0 78 36 50 0 Fax 0 78 36 50 201 Application VEGA The VEGATOR 425 F is a level switch and used for level detection In conjunction with electrodes virtually all products can be measured either liquids powders granules The switching command can either be triggered by exceeding or falling below the level Configuration Function The VEGATOR 425 F consists of plastic housing with plug in socket series 400 electronics two relay outputs with floating spdt each floating transistor output option front plate with mains control lamp relay control lamp signal lamp potentiometer for switch point adjustment linear scale Measuring electrode product and container wall form an electrical capacitor Due to the higher DK dielectric constant value of the product to air the capacitance increases with rising level The capacitance change is converted by the oscillator into a proportional current signal which is evaluated by VEGATOR 425 F Typical applications are overfill protection and protection against dry running of pumps as well as in combination of two instrument
3. ed on the connection diagram Set A B switch to desired mode A or B The function switch is used to realize the closed safety circuit VEGATOR 425 F Fixing screw Mains control lamp Relay contro lamp Signal lamp Indication Switch point adjuster Fixing screw Mode A Transducer covered relay de energized relay control lamp lights terminals 16 17 are connected This position is recommended e g as overfill protection Mode B Transducer uncovered relay de energized relay control lamp lights terminals 16 17 are connected This position is recommended e g as protection against dry running of pumps Note Adjust mode such that in case of mains failure no undesired switching functions are triggered Switching point adjustment a for horizontally mounted electrodes Mode A 1 Lower product until electrode is uncovered 2 Set switch point adjuster to 1 Relay control lamp lights 3 Turn switch point adjuster slowly clockwise until relay control lamp extinguishes Note determined scale value 4 Cover electrode with product Relay control lamp lights 5 Turn switch point adjuster further slowly clockwise until relay control lamp extinguishes Note determined value if lamp does not extinguish scale value 10 is valid 6 Set switch point adjuster to mean value of the scale values of item 3 and 5 Mode B 1 Lower product until electrode is uncovered 2 Set switch point ad
4. juster to 1 Relay control lamp does not light 3 Turn switch point adjuster slowly clockwise until relay control lamp lights Note determined scale value 4 Cover electrode with product Relay control lamp extinguishes 5 Turn switch point adjuster further slowly clockwise until relay control lamp lights Note determined value if lamp does not light scale value 10 is valid 6 Set switch point adjuster to mean value of the scale values of item 3 and 5 b for vertically mounted electrodes Mode A 1 Cover electrode up to the desired switch point 2 Set switch point adjuster to 10 Relay control lamp does not light 3 Turn switch point adjuster slowly anti clockwise until relay control lamp lights Mode B 1 Cover electrode up to the desired switch point 2 Set switch point adjuster to 1 Relay control lamp does not light 3 Turn switch point adjuster slowly clockwise until relay control lamp lights VEGA Grieshaber KG Electronic level measurement Am Hohenstein 113 Postfach 11 42 D 77757 Schiltach Phone 0 78 36 50 0 Fax 0 78 36 50 201 Technical data subject to alterations 2 11 724 Okt 94
5. ncl plug in socket VEGATOR 425 F VEGA Frequency Value Tolerance AC 230 V AC 110 V 130 V 240 V AC 24V 42V 48 V DC 9 16V 16 60 V 10 15 10 15 50 60 Hz 10 15 50 60 Hz approx 4 5 VA approx 0 5 pF approx 0 7 pF max 25 Ohm 1 spat level detection A B AgCdO AgCdO and Au plated 12V 10 mV 0 4 A 10 pA AC 250 V DC 60 V AC2A DC1A 125 VA 60 W Upmax 28 V DC Igmax 10mA Uce min lt 0 8 V at Ig 10 mA 1 spdt fail safe AgCdO AgCdO and Au plated 12V 10 mV 0 4 A 10 LA AC 250 V DC 60 V AC2A DC1A 125 VA 60 W Ugmax 28 V DC Igmax 10 mA Uce min lt 0 8 V at Ig 10 mA 20 C 50 C 20 C 70 C plastic ABS light grey IP 40 W 58 mm D 143 mm H 127 mm max 1 x 1 5 mm approx 600 g VEGA Dimensional drawing Transparent cover Base socket i oO d t t i i i I a u i i IGC a TE A a ge OL og iq 15 8 143 a Dimensions in mm Holes g 4 5 or thread M4 Mounting instructions The base socket is equipped as a standard feature with filed terminals Plug in socket interconnection pins spacers for installation of several instruments in a row coded key Distance sleeves When installed in a row the interconnection pins provide power and the spacers the distance of 5 mm between the instruments a
6. s two point control A measuring system consists of e VEGATOR 425 F e capacitive electrode with oscillator The integral fault monitoring detects Short circuit and line break in the connection cable to the transducer Current values on the connection cable lt 1 1 mA or gt 27 mA e g by interferences of the electronics in the transducer If one of the above interferences is detected the failure LED lights and the two output relays de energize i e terminals 10 and 11 or 16 and 17 are connected through relay see electrical connection VEGATOR 425F Technical data Power supply Power consumption at Uy Switching sensitivity with oscillator Electrode connection Relay output standard Floating transistor output 1 option Relay output 2 standard Floating transistor output 2 Option standard options type 115A type 117 11 2 wire resistance per conductor contact function mode relay data contact material min turn on voltage min switching current max turn on voltage max switching current max breaking capacity contact function relay data contact material min turn on voltage min switching current max turn on voltage max switching current max breaking capacity Ambient temperature on the housing Storage and transport temperature Housing type protection dimensions Terminal size in plug in socket for cross section area of conductor Weight i
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