fafnir VISY-Command (VI-4), Technical Documentation Manual

Page 1: ...FAFNIR GmbH Schnackenburgallee 149 c 22525 Hamburg Tel 49 40 39 82 07 0 Fax 49 40 390 63 39 Technical Documentation VISY VISY Command VI 4 Version 7 Edition 2019 02 Art no 207184...

Page 2: ...radio system 6 4 Installation 7 4 1 Assembly 7 4 1 1 Sensor connections 7 4 1 2 VISY Command wired version standard 7 4 1 3 VISY Command RF wireless version radio system 9 4 2 Interface connections 9...

Page 3: ...VP 1 VP 2 and VP 4 21 11 3 EU Declaration of Conformity VI 4 22 11 4 EU Type Examination Certificate VP 1 VP 2 and VP 4 23 11 4 1 Instructions VP 26 Copyright Reproduction and translation are permitt...

Page 4: ...itial with configurable measuring range for monitoring the inter mediate chamber in double walled tanks VISY Reed Interstitial with fixed measuring points for monitoring the intermediate chamber in do...

Page 5: ...ity to view current tank data delivery data and the various alarms signalled by the VISY Command central unit For configuration and operation of the display module with VISY SoftView see the following...

Page 6: ...onsent of the manufacturer Only use original parts These comply with the technical requirements specified by the manufacturer The installation operation and servicing of the sensors and the VISY Comma...

Page 7: ...cable ducts are available at the petrol station it is possible to instead opt for the wireless tank gauging system In this case the benefit of installing the wireless system is that it does not entai...

Page 8: ...entral unit using one single cable 4 wire Connecting sensors of the same type e g 3 x VISY Stick or VISY Stick Interstitial with VISY Reed Interstitial to one sensor terminal is not supported The term...

Page 9: ...ated at the set transmission intervals and delivery data could potentially be lost For improved wireless communication the VISY Command RF should preferably be equipped with two external receiving ant...

Page 10: ...For mounting the case the VISY Command contains the relevant drilling tem plate 4 1 1 Sensor connections 4 1 2 VISY Command wired version standard Connect the filling level and environmental sensors t...

Page 11: ...r A A 12 15 zum Interface VI 4 B A Messwertgebe r B Messwertgebe r A A A A A A Messwertgebe r VP Platine A B A Messwertgebe r Messwertgebe r B 13 B B A B Messwertgebe r 16 A B B B B B B Messwertgebe r...

Page 12: ...nterface VI 4 4 3 Service interface The RS 232 serial interface 9 pin D sub socket can be used for the connection of three different applications The DIP switch S1 is used for the relevant settings DI...

Page 13: ...sistance to use a 3 wire cable in order to also be able to connect the interface ground of the VISY Command terminal of the host interface to the interface ground of the host system if provided as a c...

Page 14: ...SY Setup application To determine whether other configurations are required please refer to the technical documenta tion supplied with the device to be connected Figure 5 Extension interface If shield...

Page 15: ...t bias OFF OFF ON ON Extension bias ON ON ON ON Host and extension bias Table 2 DIP switch S2 configuration In an RS 485 network only one bias point is permitted For this reason leave the switches in...

Page 16: ...oring of the manhole d VISY Stick Reed Sump monitoring of the dispenser sump P VPS pressure sensor S VISY Sludge T VISY Stick Temp temperature measurement with up to 31 temperature sensors VIMS Tank m...

Page 17: ...ve The sensor must be replaced 7 Reduced measuring accuracy All measured values are being processed normally However it must be assumed that total measurement accuracy is not being achieved Powerful f...

Page 18: ...central unit is no longer able to establish data communication with the sensor The measured values are not being captured and are set to 0 by the central unit Sensor not connected available defective...

Page 19: ...nnection are set to 0 When the central unit is delivered all the connected sensors tanks show this status initially In order for communica tion with a sensor to be established through a particular ter...

Page 20: ...158 6 Replacing components VI 4 interface and VP isolating amplifier can be replaced each as complete assembly units The boards are mounted on a support rail from which they can be easily removed usin...

Page 21: ...nd 8 with one VP 1 board for 8 sensors 8 Figure 2 VISY Command 16 with two VP 1 boards for 16 sensors 8 Figure 3 Interface VI 4 9 Figure 4 Host interface 10 Figure 5 Extension interface 11 Figure 6 DI...

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Page 29: ...evice versions VP 1 Isolating amplifier with eight intrinsically safe sensor circuits VP 2 Isolating amplifier with two intrinsically safe sensor circuits VP 4 Isolating amplifier with four intrinsica...

Page 30: ...repair The isolating amplifier is generally maintenance free In case of a defect it must be send back to FAFNIR or one of its representations There is consistency with the requirements for the dielec...

Page 31: ...citance Ci negligibly small The permissible external inductance and capacitance are IIC IIB IIIC Lo 5 mH 2 mH 20 mH 10 mH Co 380 nF 480 nF 1 5 F 1 8 F The maximum values of the parameter pairings may...

Page 32: ...FAFNIR GmbH Schnackenburgallee 149 c 22525 Hamburg Germany Tel 49 40 39 82 07 0 Fax 49 40 390 63 39 E mail info fafnir com Web www fafnir com...