Capacitive point level switch for bulk solids
Minicap FTC260 / FTC262
Bilgi Hattı
+90 212 403 63 00
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No calibration required
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Active build-up compensation
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Maintenance-free
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Easily shortened rope version
Specs at a glance
Function Level switch Product Bulk solids. Diameter ≤30 mm (1.18"). Process pressure –1 to +25 bar (–14.5 to +363 psi) Product dielectric constant εr ≥ 1.6 Product temperature FTC260: –40 to +120 °C (–40 to +248°F)
FTC262/Ex: –40 to +70 °C (–40 to +158°F)
Probe length Rod/FTC260: 140 mm (5.51")
Rope/FTC262: 1.5; 2.5 and 6 m (4.9; 8.2 and 19.69 ft)
Minicap FTC260 : Short probe version
Product / Version Price / pcs. in EUR Order code Probe length Switch Output Approval 1 to 3 4 to 10 11+ 140mm 3-wire PNP 10.8-45VDC Non-hazardous area 191.72 178.30 168.71 FTC260-AA2D1 ATEX II 1/3D 259.62 241.45 228.47 FTC260-BA2J1 Relay 20-253VAC/20-55VDC Non-hazardous area 216.20 201.07 190.26 FTC260-AA4D1 ATEX II 1/3D 284.10 264.21 250.01 FTC260-BA4J1 Minicap FTC262 : Extension cable versions
Product / Version Price / pcs. in EUR Order code Probe Length Switch Output Approval 1 to 3 4 to 10 11+ 1500mm/59in L, steel HD-PE insulated 3-wire PNP 10.8-45VDC Non-hazardous area 336.42 312.87 296.05 FTC262-AA32D1 ATEX II 1/3D 402.46 374.29 354.16 FTC262-BA32J1 Relay 20-253VAC/20-55VDC Non-hazardous area 360.41 335.18 317.16 FTC262-AA34D1 ATEX II 1/3D 426.45 396.60 375.28 FTC262-BA34J1 2500mm/98in L, steel HD-PE insulated 3-wire PNP 10.8-45VDC Non-hazardous area 347.55 323.22 305.84 FTC262-AA42D1 ATEX II 1/3D 413.59 384.64 363.96 FTC262-BA42J1 Relay 20-253VAC/20-55VDC Non-hazardous area 371.54 345.53 326.96 FTC262-AA44D1 ATEX II 1/3D 437.58 406.95 385.07 FTC262-BA44J1 6000mm/236in L, steel HD-PE insulated 3-wire PNP 10.8-45VDC Non-hazardous area 383.55 356.70 337.52 FTC262-AA62D1 ATEX II 1/3D 449.59 418.12 395.64 FTC262-BA62J1 Relay 20-253VAC/20-55VDC Non-hazardous area 407.54 379.01 358.64 FTC262-AA64D1 ATEX II 1/3D 473.58 440.43 416.75 FTC262-BA64J1 Accessories
Product / Version Price / pcs. in EUR Order code Cover F14 PE, transparent PA Sight glass: Polycarbonat PA. 34.42 943201-1001 Sleeve adapter R1-1/2 > R1, PPS Usage: FTC260. Thread type: EN10226/ISO7. Material: PPS. 6.96 943215-1001 Sleeve adapter G1-1/2 > R1, PPS Usage: FTC260. Thread type: EN10226/ISO7. Material: PPS. 6.96 943215-1021 Rope shortening kit FTC262 Usage: FTC262. 26.37 52005918 Prices valid until 30.09.2018 in EUR per unit (not including shipping and applicable sales tax). See
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Application
The Minicap is suitable for the level detection of powdery and fine-grain bulk solids, such as grain, flour, powdered milk, mixed feed, cement, chalk or gypsum and is suitable for use in dust explosive areas (ATEX II 1/3 D). The Minicap has two output options:
- Relay output (SPDT) or
- PNP output
Function
The Minicap is an electronic switch. When the limit is exceeded or the load falls below the limit, a switching signal is output. A switch housing or signal output device (e.g. lights, horns, programmable logic sequencer, stored program control, etc.) can be connected to the Minicap. It has an in-built switch-over facility for minimum/ maximum safety. It detects the formation of deposits on the probe, and compensates for the effects of this so that the switching point is maintained. The Minicap comes with factory settings.
Other sensitivity adjustments can be made on the housing.
Application Example
Level detection in silos with bulk goods. The silos can be made of various materials (e.g. metal, plastic, concrete), as these do not affect measurement.
The filling stream should not be directed onto the probe.
a) load
Applications
Examples ρ in g/l (approx.) εr (approx.) Function Grain, seed, legumes and their products Rice 770 3.0 yes Cornstarch (packed) 680 2.6 yes Flour (wheat) 580 2.4 yes Corn grist 500 2.1 yes Sunflower seeds 380 1.9 yes Noodles 370 1.9 yes Bran (wheat) 250 1.7 yes Popcorn 30 1.1 no Minerals, inorganic materials Cement 1050 2.2 yes Plaster 730 1.8 yes Chalk (packed) 540 1.6 (yes) Chalk (loose) 360 1.4 no Plastics ABS granulate 630 1.7 yes PA granulate 620 1.7 yes PE granulate 560 1.5 no PVC powder 550 1.4 no PU dust 80 1.1 no
Grey background:
Application limits of Minicap exceeded.In general:
If the dielectric constant of the solid is not known, then the density of the solid is a deciding factor. Under normal conditions the Minicap functions in foodstuffs with a density of 250 g/l and above or in plastic or mineral materials with a density of 600 g/l and above.
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Technical data FTC260
OutputOutput signal DC-PNP: Imax 200 mA, secure against overload and shorting, residual voltage at transistor at Imax < 2.9 V
AC/DC-SPDT:
AC: Imax = 4 A, Imin = 1 mA, Umin = 6 V, Umax = 253 V, Pmax = 1000 VA
DC: Imax 4 A up to 30 V, Imax 0.2 A up to 253 VMalfunction signal DC-PNP: < 100 µA
AC/DC-SPDT: relay de-energised
Switching delay 0.5 s upon release/covering Power supplySupply voltage DC-PNP: 10.8 to 45 V DC, short pulse up to 55 V DC, current input 30 mA (max.), reverse polarity protection AC/DC-SPDT (relay contact): 20 to 253 V AC or 20 to 55 V DC, max. current input: 130 mA Terminal compartment Stranded wires max. 1.5 mm2 in end sleeves, Electric wire max. 2.5 mm2 AccuracyLong-term drift Horizontal ±3 mm (±0.12"), vertical ±6 mm (±0.24") Hysteresis Horizontal 4 mm (0.16"), vertical 7 mm (0.28") Switchpoint Horizontal at centre of probe –5 mm (–0.2"), vertical 40 mm (1.58") above probe tip Operating conditionsAmbient temperature –40 to +80 °C (–40 to +176°F)
(to +60 °C/140 °F Dust Ex)Climate class As per EN 60068 part 2-38 Protection system IP 66 EMC Interference Emission to EN 61326, Electrical Equipment Class B; Interference Immunity to EN 61326, Annex A (Industrial) and NAMUR Recommendation NE 21 (EMC) Process temperature –40 to +130 °C (–40 to +266 °F) (to +80 °C/176 °F Dust Ex) Process pressure –1.0 to +25 bar (–14 to +363 psi) MaterialWetted parts Probe: PPS GF40; FDA: FCN No. 000040 GeneralMedium Bulk solids with grain size up to 30 mm (1.18"), relative dielectric constant εr ≥ 1.6 Flexural strength 1400 N (at tip of probe) Process connection R1 DIN 2999/ISO 7 Adapter Inner thread R1 DIN 2999 ISO 7: for R 1½ DIN 2999/ISO 7 for G1½ DIN ISO 228 ApprovalsEx approval ATEX II 1/3 D WHG approval Overspill protection to §19 WHG (Germany) Sensor material is FDA registered Technical data FTC262
OutputOutput signal DC-PNP: Imax 200 mA, secure against overload and shorting, residual voltage at transistor at Imax < 2.9 V
AC/DC-SPDT:
AC: Imax = 4 A, Imin = 1 mA, Umin = 6 V, Umax = 253 V, Pmax = 1000 VA
DC: Imax 4 A up to 30 V, Imax 0.2 A up to 253 VMalfunction signal DC-PNP: < 100 µA
AC/DC-SPDT: relay de-energised
Switching delay 0.8 s upon release/covering Power supplySupply voltage DC-PNP: 10.8 to 45 V DC, short pulse up to 55 V DC, current input 30 mA (max.), reverse polarity protection
AC/DC-SPDT (relay contact): 20 to 253 V AC or 20 to 55 V DC, max. current input: 130 mA
Terminal compartment Stranded wires max. 1.5 mm2 in end sleeves, Electric wire max. 2.5 mm2 AccuracyLongterm drift Vertical ±6 mm (0.24") Hysteresis Vertical 5 mm (0.2") Switch point Vertical 35 mm (1.38") above probe tip Operating conditionsProcess temperature –40 to +80 °C (–40 to +176 °F) Process pressure –1.0 to +6 bar (–14.5 to +87 psi) Ambient temperature –40 to +80 °C (–40 to +176°F)
(to +60 °C/140 °F Dust Ex)Climate class As per EN 60068 part 2-38 Protection system IP 66 EMC Interference Emission to EN 61326, Electrical Equipment Class B; Interference Immunity to EN 61326, Annex A (Industrial) and NAMUR Recommendation NE 21 (EMC) MaterialWetted parts – Probe: PPS GF40; FDA: FCN No. 000040
– Probe rope: PE-HD
– Probe rope seal: VMQ; FDA: 21 CFR 177.2600GeneralMedium Bulk solids, grain size up to 30 mm (≥1.18"), relative dielectric constant εr ≥ 1.6 Tensile strength Max. 3000 N up to 40 °C (104 °F) Process connection R1½ DIN 2999/ISO 7 Length reduction Shortening kit ApprovalsEx approval ATEX II 1/3 D EEx ia IIB T6 Dimensions (in mm)
FTC260
a) Wall thickness: 5 mm
FTC262
Aluminum housing, IP66
Polyester PBT-FR housing, IP66
Top view, FTC260 / FTC262
Adapter for FTC260
Electrical connection
AC/DC-SPDT
Minicap FTC260/262 with AC or DC connection and relay output (SPDT)
F1: fine-wire fuse for protection of relay contact depending on the connected load
F2: fine-wire fuse, 500 mA
M: earth connection to silo or to metal parts of silo
E: earth
DC-PNP
Minicap FTC260/262 with PNP DC connection:
F: fine-wire fuse 500 mA
R: connected load, e.g. stored programme control, programmable logic sequencer, relay
M: earth connection to silo or to metal parts of silo
E: earth
- The Minicap system is protected against reverse polarity.
- If the connections are reversed, then the green light goes out.
- No grounding lines (PE) or potential matching lines (PAL) are required with FTC260.
- The PAL line has to be connected according to local Ex-guidelines
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More documents for FTC260More documents for FTC262
