Level and Pressure Operating Instruction Conductive electrodes 5 0 10 1 5 10 0 2 on 532 Ex
Safety information Safety information The described module must only be installed and operated as described in this operating instruction. Please note that other action can cause damage for which VEGA does not take responsibility.
Contents Contents Safety information ........................................................................ 2 1 Product description 1.1 Function and configuration .................................................. 4 1.2 Types and version ............................................................... 4 1.3 Technical data ....................................................................... 5 1.4 Dimensions ......................................................................... 14 1.5 Approvals .....
Product description 1 Product description 1.1 Function and configuration The conductive measuring principle is used for level detection of conductive liquids. Function When the probe (s) is covered by the medium, conductive electrodes detect the product resistance. A low alternating current flows which is measured by the electronics of the signal conditioning instrument on amplitude and phase position and converted into a switching command.
Product description 1.3 Technical data Conductive electrodes Conductive electrode type EL 1 and EL 2 Material - connection housing 1.4571 - thread 1.4571 - welded socket (only with type EL 2) 1.4571 - rod electrode 1.4571 or Hastelloy C4 - isolation of the rod electrode PTFE Size of the thread G 1/ 2 A Length of the rod electrode - type EL 1 40 … 4000 mm - type EL 2 60 … 2000 mm Protection IP 67 Temperature range -50°C … +130°C Max.
Product description Conductive multiple rod electrode type EL 3 Ex (2 … 5 rod electrodes) Temperature range Classification Max. permissible ambient temperature - temperature class T6 - temperature class T5 all other technical data like type EL 3 -20°C … +100°C EEx ia IIC T6 85°C 100°C Conductive multiple rod electrode type EL 4 (2 … 5 rod electrodes) Material - connection housing PP - thread PP - rod electrodes 1.
Product description Conductive multiple cable electrode type EL 6 (2 … 5 cable electrodes) Material - connection housing - thread - cable electrodes - isolation of the cable electrodes - gravity weight Size of the thread Length of the cable electrodes Number of cable electrodes Protection Temperature range Max. permissible vessel pressure Electrical connection Basic weight Additional weight of the cable electrodes PP PP 1.4571 PP / FEP 1.
Product description Conductive cable electrode type EL 9 Ex Temperature range Classification Max. permissible ambient temperature - temperature class T6 - temperature class T5 all other technical data like type EL 9 -20°C … +100°C EEx ia IIC T6 85°C 100°C Signal conditioning instrument VEGATOR 256C General Series Mounting Dimensions Weight module unit 2 holes for M3 or carrier rail mounting acc. to DIN 46 277, Bl. 3 W = 37 mm, H = 69 mm, D = 80 mm approx.
Product description Ambient conditions Permissible operating temperature Storage and transport temperature -20°C … +50°C -40°C … +70°C Electrical protective measures Protection Protection class IP 20 II Electrical connection Screw terminal max. for 1,5 mm2 CE-conformity VEGATOR 256C signal conditioning instrument meets the protective regulations of EMVG (89/336/EWG) and NSR (72/23/EWG). The conformity has been judged acc.
Product description Measuring data input, Ex-technical data Signal circuits Max. values - UO - IK - P Characteristics Inner effective inductance Inner effective capacitance Max. permissible outer inductance Max. permissible outer capacitance in classification intrinsic safety EEx ia IIC 10,6 V 8 mA 20 mW linear negligible negligible 5 mH 570 nF The intrinsically safe circuits are reliably galvanically separated from the not-intrinsically safe circuits up to a peak value of the nominal voltage of 375 V.
Product description Electrical protective measures Protection - not mounted - mounted into carrier BGT 596 Ex - mounted into housing type 505 Ex Protection class Overvoltage category IP 00 front side completely equipped IP 30 upper and lower side IP 20 wiring side IP 00 IP 30 II II Electrical connection Mounted into - carrier BGT 596 Ex - housing type 505 Ex 33-pole multipoint connector, series F (d, b, z) with coding holes screw terminal, max.
Product description Measuring data input (channel) Number Response resistance Parallel resistance - for fault monitoring Meas. circuit Permissible line capacitance Switching hysteresis 1 (1 x level detection or 1 x pump control -Min-Max) 1 … 200 kOhm adjustable 220 kOhm max. 5 V eff, max. 1 mA 1 x 100 nF or 2 x 70 nF at Min-Max.-control approx. 15 % Measuring data input, Ex-technical data Signal circuit Max. values - UO - IK - P Characteristics Inner effective inductance Inner effective capacitance Max.
Product description Ambient conditions Permissible operating temperature Storage and transport temperature -20°C … +60°C -40°C … +70°C Electrical protective measures Protection Protection class Overvoltage category IP 20 II II Electrical connection Screw terminals max. for 1,5 mm2 CE-conformity VEGATOR 631 Ex signal conditioning instrument meets the protective regulations of EMVG (89/336/EWG) and NSR (72/23/EWG). The conformity has been judged acc.
Product description 1.4 Dimensions Conductive electrodes Type EL 1 (Ex) Type EL 2 (Ex) ~43 ~43 ø46 56 ø46 SW 41 L (max.
Product description Type EL 5 (Ex) Type EL 6 ~58 ~58 SW 60 ø66 ø66 58 54 SW 60 Pg 16 PTFE ø2,5 1.4571 FEP 80 1.
Product description Type EL 8 Type EL 9 (Ex) ~43 ø46 30 9,3 ø24 18 56 12 ø6,8 Pg 11 SW 41 ø4 80 27 L (max. 1000 mm) SW 24 G 1/ 2 A 40 ø10 200 L ø4,6 ø15 4 VEGATOR 256C min. 1 max. 2 10 4 6 L1 N 66 16 7 8 37 R 5 60 68 0 power supply 200...
Product description VEGATOR 532 Ex 5 TE 100 128,4 Multiple plug on 3 5,5 25,4 9 162 15 VEGATOR 631 Ex Carrier rail 35 x 7,5 or 35 x 15 acc.
Product description 1.5 Approvals If measuring systems are installed according to the following approvals, the appropriate legal documents and their regulations must be noted. The documents are supplied with the appropriate measuring system. WHG-approval Signal conditioning instrument VEGATOR 532 Ex, VEGATOR 631 Ex, (VEGATOR 535 Ex) together with conductive electrodes type EL 1 Ex, EL 2 Ex, EL 3 Ex, EL 5 Ex, EL 9 Ex as part of an overfill protection acc. to WHG, no. Z-65.13-7.
Mounting instructions 2 Mounting instructions 2.1 Conductive electrodes General When mounting the electrodes it should be noted that the rod or cable electrodes do not touch the vessel wall. Lateral load Note that the electrode is not subjected to strong lateral forces. Mount the electrode on a position in the vessel where no interferences such as e.g. by stirrers, vessel openings etc. occur. This is mainly valid for very long rod and cable electrodes.
Mounting instructions Probe with 4 rod or cable electrodes 2 3 1 4 2 2.3 VEGATOR 532 Ex VEGATOR 532 Ex can be either mounted in a single housing type 505 Ex or into a carrier BGT 596 or BGT 596 Ex by means of a module. Probe with 5 rod or cable electrodes 3 4 1 5 2.2 VEGATOR 256C The signal conditioning instrument VEGATOR 256C can be either mounted directly to the wall via two screws or plugged to a carrier rail 35 x 7,5 acc. to DIN EN 50 022.
Mounting instructions Instrument type coding a c o1 o Function coding o3 o o5 o o7 o c7 VEGATOR o9 o o 11 o o 13 o 2 on o 15 o VEGATOR o 17 o o 19 o VEGATOR 532 Ex a20 Blindcover o 21 o o 23 o c23 Ex-module card o 25 o o 27 o o 29 o Ex-separating chamber To ensure sufficient "Air and creeping distances" an Ex-separating chamber must be mounted for the measuring data inputs in case of Ex-applications. First of all loop the lines through the Ex-separating chamber and connect the lines.
Mounting instructions Mounting of the covers 2.4 VEGATOR 631 Ex Connect the signal conditioning instrument as follows: - Mount the plug-in socket to the carrier rail. - Wire the socket acc. to your requirements, see paragraph "3 Electrical connection". - Close the upper terminals with the supplied covers. - Insert the supplied coded pin into the determined hole no. 3. - Connect, if requested, the neighbouring series 600 signal conditioning instrument via the supplied plug (L1 and N).
Electrical connection 3 Electrical connection Connect several VEGATOR 256 C absolutely identical, i.e. the first supply line to all terminals no. 7 and the second supply line to all terminals no. 8. An interchanging of no. 7 and no. 8 or the connection of different phases is not permitted. 3.1 VEGATOR 256C Level detection Mass 1 2 3.2 VEGATOR 532 Ex ;;;;; min. 1 max. 2 power supply 200...
Electrical connection Pump control (Min-Max-control) Double pump control d Power supply L (+) N (-) b For a double pump control e.g. with EL 5 you require a VEGATOR 532 Ex. z 2 + - 6 d b 2 + 10 Relay output 1 12 Relay output 2 z - L (+) N (-) Power supply 6 16 18 10 + Transistor output 1 Meas. data input 1 (channel 1) Mass Max 2 Min 1 3 12 - 22 - 16 18 28 32 Relay output 2 Transistor output 2 24 30 Relay output 1 + 20 Meas.
Electrical connection VEGATOR 532 Ex with housing type 505 Pump control (Min-Max-control) The terminal designation for the power supply and the relay or transistor output corresponds to that of the multipoint connector. Just the connection of the electrodes must be made as follows. Double level detection 1 2 3 2 1 Mass Max Min 2 3 1 1 2 3 4 Pump control (Min-Max-control) 1 2 3 1 2 3 2 1 3 1 2 3 3 1 2 5 6 7 8 9 10 12 1314 Relay output 3 Power supply Electrode e.g.
Electrical connection Coordination of the transistor outputs VEGATOR 532 Ex and 631 Ex RS + + UCE - RS + + UCE - - DCS VEGATOR 532 Ex (VEGATOR 631 Ex) The resistor R S is used as shortcircuit protection.
Set-up 4 Set-up 4.1 VEGATOR 256C Indicating and adjustment elements Potentiometer The switch point or the adaption to the product conductivity can be adjusted via a potentiometer. Use a small screwdriver to carry out the adjustments on the potentiometer. Yellow control lamp lights when the relay is energized, extinguishes when the relay is deenergized. min. 1 max. 2 Pump control (Min-Max-control) Pre-requirements - First of all connect only the mass and max.
Set-up 4.
Set-up Selection of mode A/B A slide switch (16 and 17) per channel is located on the circuit board of the signal conditioning instrument. Position A corresponds to overfill protection, position B to dry run protection. Failure adjustment (soldering bridges) For monitoring of the electrodes and their circuits, a resistor of 220 kOhm must be mounted between connection 1 and connection 2 in the connection housing of the electrode, i.e.
Set-up VEGATOR 532 Ex Switch point adjustment Double single point control Min.-/Max.-signal separately Pre-requirements - Coordinate channel 1 to the max.-signal - Coordinate channel 2 to the min.-signal - Set the selection switch of channel 1 (16) to mode A - Set the selection switch of channel 2 (17) to mode B - Connect the signal conditioning instrument to power supply - Turn the potentiometer (5) to position 0 Switch point max.-signal - Fill the vessel until the max. electrode is covered by approx.
Set-up VEGATOR 532 Ex Pump control, mode B Dry run protection (channel 1) Pre-requirements - First of all connect only the mass and the max.
Set-up 4.3 VEGATOR 631 Ex off 13 2 3 4 12 6 2 A 1 sec t B 5 1 2 3 4 1 2 3 4 6 VEGA TOR 631 EX R 8 + 2 Sensor Terminal 7 10 8 9 N L1 3 4 on 9 6 7 1 2 3 9 631Ex 5 a : -20É+60¡C IP 30 Sensorstromkreis EEx ia IIC Uo < x,xxV, L o < x mH Co < xxx nF I o < x mA Po < xxmW - 5 0 CE PTB-Nr.: Ex-96.D.2064 out max: 36V 60mA minimum 1 7 maximum ! A B C 1 2 3 4 +- 5 6 I nsp. power supply max.250VAC 125VA 2A 20É250 VAC 20É72VDC 1...
Set-up DIL-switch block A DIL-switch block with 4 switches is located laterally on top (covered in mounted condition). The individual switches are coordinated as follows: 1 A/B-mode A - Max. detection or overfill protection B - Min. detection or dry run protection 2 Integration time 2 s 3 Integration time 6 s 4 Integration time 12 s With switch 1 the mode (A - overfill protection or B - dry run protection) can be adjusted. In the example in the figure mode A (max.
Set-up VEGATOR 631 Ex Switch point adjustment 2 3 1 Level detection for max.-signal Pre-requirements - Set the selection switch (13) to mode A - Connect the signal conditioning instrument to power supply - Turn the potentiometer (2) to position 0 Switch point max.-signal - Fill the vessel until the max. electrode is covered by approx. 1 cm - Turn the potentiometer (2) slowly clockwise until the yellow LED extinguishes Mode B preferably as dry run protection means with covered max.
Set-up VEGATOR 631 Ex Pump control (Min-Max), mode A Overflow protection Pre-requirements - First of all connect only the mass and max. electrodes to the signal conditioning instrument (terminal 1 and 3) - Set the selection switch (13) to mode A - Connect the signal conditioning instrument to voltage supply - Turn the potentiometer (2) to position 0 Adjust switch point - Fill the vessel until the max. electrode is covered approx.
Diagnosis 5 Diagnosis 5.1 Fault signal on VEGATOR 532 Ex BR1 BR2 Soldering bridge for failure adjustment of channel 1 The connection line from the mass and max. electrode to the signal conditioning instrument is generally monitored on line break with Ex-measuring systems and overfill protections. If both channels are used for two separate measurements (no double point control) the electrodes are monitored, e.g. mass and max. electrode of channel 1 to connection point d30 and d32, mass and min.
Diagnosis 5.2 Fault signal on VEGATOR 631 Ex Note In this case the monitoring of the mass and max. electrodes and the connection lines are inactive. Therefore also the fault signal is ineffective. 2 1 3 1 2 1 3 2 3 4 Measuring system with monitoring of the mass and max. electrode and their connection lines 2 1 3 1 1 2 3 2 3 4 Bridge between terminal 3 and 4 Measuring system without monitoring of the mass and max.
Notes 38 Conductive measuring system
Notes Conductive measuring system 39
VEGA Grieshaber KG Am Hohenstein 113 D-77761 Schiltach Phone (0 78 36) 50 - 0 Fax (0 78 36) 50 - 201 e-mail info@de.vega.com ISO 9001 The statements on types, application, use and operating conditions of the sensors and processing systems correspond to the actual knowledge at the date of printing. Technical data subject to alteration.
