Krohne BM 102 EN User Manual

Installation and Operating InstructionsBM 102MICROFLEXT D R Level gaugeGR2-WIREVariable area flowmetersVortex flowmetersFlow controllersElectromagnet

10 BM 102 Installation of level meters with single or twin cable probes 1 Caution : Do not over-bend probe! 2 Inserting the probe: hol

BM 102 11 For clean applications only : Coaxial (type 3) probes may be used close to or touching objects or walls as the EM field generated by

12 BM 102 Avoid direct solar radiation Fit a sunshade on the gauge for open-air installations: this is either supplied on demand by KROHNE or

BM 102 13 Fastening the probe to the tank bottom The flexible probe can be fastened with a chuck (ring) or a fastening device to the tank bott

14 BM 102 Conical silo nozzles, False readings and traction on the cable probes Caution High traction forces : 1 We recommend that the pro

BM 102 15 Electro static discharge (E.S.D.) BM 102 non-Ex and Ex gauge electronics are shielded up to 4kV against E.S.D.. Note: E.S.

16 BM 102 2 Electrical connections 2.1 Electrical installation instructions 2.1.1 Wiring general notes Connection to power is effected at

BM 102 17 2.1.3 Wiring connections: M16 terminal box Power terminals: Wire cross-section: max. 1.5 mm² (AWG 16) Cable entry: 1 x M16 x 1.5,

18 BM 102 Load impedance Rloop Loop resistance, Rloop RHART + Rcable + Rammeter Min. Rloop 0 ohms Max. Rloop 750 ohms RHART resistance for HA

BM 102 19 3 User interface 3.1 Power-on and start-up The BM 102 is pre-configured in accordance to customer order specifications and measurem

2 BM 102 Table of contents 1 Mechanical installation ...

20 BM 102 Installing and connecting the PCSTAR 2 software 1. Connect the HART® adapter (not included in supply) through a load impedance of

BM 102 21 3.3.2 HART® Communicator Display and configuration can also be carried out via a HART® communicator. Operator control via this unit i

22 BM 102 3.3.3 Local user display (instruments equipped with DIN connectors only) The BM 102 local indicator is available as an option. Thi

BM 102 23 3.4 Fault clearing Event Fault Action Error messages “Tank full” status marker on*, reading frozen at max. or min. value No fault.

24 BM 102 Event Fault Action “Flange not found” status marker on* The signal converter has been incorrectly configured to measure with a cab

BM 102 25 Event Fault Action Electrical Connections and Communication Output No power supply Check the power supply. Connection of the device

26 BM 102 4 Technical data 4.1 Technical data Application Range of applications Continuous level measurement of liquids, solids and powd

BM 102 27 Repeatability ± 2 mm or 0.08” Hysteresis none Resolution ± 1 mm or 0.04” Transient recovery time The transient recovery time to 1%

28 BM 102 Construction materials Housing Aluminium with epoxy coating Probe Refer to section 4.2.1: BM 102 mechanical options Gasket Viton

BM 102 29 4.2 BM 102 equipment architecture 4.2.1 BM 102 mechanical options (by probe type) Single cable Ø8 mm or 0.3” (Type 6) Single flexi

BM 102 3 Device description and range of applications The BM 102 MICROFLEX level gauge uses the Time Domain Reflectometry (TDR) measuring princ

30 BM 102 Single cable Ø8 mm or 0.3” (Type 6) No spacer. Ø12 x 100 (316L), where L1 > 10m/33ft Ø45 x 245 (316L), where L1 < 10m/33ft T

BM 102 31 4.2.2 Probe measurement limits * Displayed level and distance values displayed will depend on how and at

32 BM 102 4.3 Gauge dimensions The drawing below illustrates standard gauge configurations and overall dimensions. Housing Standard, M16 te

BM 102 33 Returning a device for testing or repair to KROHNE Your instrument has been carefully manufactured and tested. If installed and opera

4 BM 102 Standard nameplate *eg. VF030415B0112110110100000. The “type

BM 102 5 Product liability and warranty: The BM 102 TDR level gauge is designed for measuring the distance, level, and volume of liquids, paste

6 BM 102 Avoiding blows When handling the BM 102, avoid hard blows, jolts, impacts, etc. Caution: Fragile electronics Avoid bending (si

BM 102 7 1.2 Installation restrictions Hazardous-duty systems (Ex, FM,…) • Refer to the BM 102 MICROFLEX KEMA 00 ATEX 1101X Supplementary Inst

8 BM 102 Nozzles extending into tank Caution: Do not use nozzles that extend into the tank. This will disturb the electromagnetic emitted p

BM 102 9 Process connection and entry pipe Caution: Do not put the nozzle close to the entry pipe. Pouring the product directly onto the prob