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Mode of operation | Measuring principle | Inverse frequency shift capacitive level detection
| Input | | Measured variable | Change in picoFarad (pF) | Output | | Solid-state output | | | Galvanically isolated | | Against reversed polarity (bipolar) | | | | 82 mA | | < 1 V, typical at 50 mA | - Time delay (pre or post switching)
| Programmable by user (0 ... 100 s) | Fail-safe mode | Min. or max. | Connection | Removable terminal block | Accuracy | | Resolution | | | 1 % change in actual capacitance | | 0.2 % of actual capacitance value | Rated operating conditions1) | | Installation conditions | | | Indoor/outdoor | Ambient conditions | | | -40 ... +85 °C (-40 ... +185 °F)2) | Medium conditions | Liquids, bulk solids, slurries, interfaces, and applications with viscous materials | - Relative dielectric constant Оµr
| Min. 1.5 | | | | -40 ... +200 °C (-40 ... +392 °F)2) | | -40 ... +400 °C (-40 ... +752 °F) | | -1 ... +35 bar g (-14.6 ... +511 psi g) | Design | | Material (enclosure) | Powder-coated aluminum with gasket | Degree of protection | Standard: Type 4/NEMA 4/IP65
Optional: Type 4/NEMA 4/IP68 | Cable inlet | 2 x M20 x 1.5 thread (option: 2 x Ѕ" NPT conduit entry including 1 plugged entry) | Controls and displays | | Local display | LCD | Configuration | - Locally, using 3 button keypad (for standalone operation)
- Remotely, using SIMATIC PDM (for installation on a network)
| Power supply | | Bus voltage (at process connection) | - Standard: 12 ... 30 V DC
- Intrinsically Safe: 12 ... 24 V DC
| Current consumption | 12.5 mA | Certificates and approvals | | General Purpose | CSA, FM, CE, RCM | Dust Ignition Proof | ATEX II 1/2 D, 2 D IP6X T100 °C | Flameproof Enclosure With IS Probe | ATEX II 1/2 G EEx d[ia] IIC T6 ... T4
ATEX II 1/2 D T100 °C | Dust Ignition Proof With IS Probe | CSA/FM Class II, Div. 1,
Groups E, F, G
CSA/FM Class III T4 | Intrinsically Safe4) | ATEX II 1 G EEx ia IIC T6 ... T4
ATEX II 1/2 D, 2 D IP6X T100 °C CSA/FM Class I, Div. 1,
Groups A, B, C, D
CSA/FM Class II, Div. 1,
Groups E, F, G
CSA/FM Class III T4 | Non-incendive | CSA/FM Class I, Div. 2,
Groups A, B, C, D
CSA/FM Class II, Div. 2,
Groups F, G
CSA/FM Class III T4 or T6 | Explosion Proof with IS Probe | CSA/FM Class I, Div. 1,
Groups A, B, C, D
CSA/FM Class II, Div. 1,
Groups E, F, G
CSA/FM Class III T4 | Marine | Lloyds Register of Shipping, Categories ENV1, ENV2, and ENV5 | Others | Pattern Approval (China) | Communication | PROFIBUS PA
(IEC 61158 CPF3 CP3/2) Bus physical layer: IEC 61158-2 MBP-(IS) Device profile: PROFIBUS PA profile for Process Control Devices Version 3.0, Class B FISCO field device |
1) When operation is in areas classified as hazardous, observe restrictions according to relevant certificate. See also Pressure/Temperature curves starting on page 5/57. 2) Thermal isolator is used if process connection temperature exceeds 85 °C (185 °F) 3) Pressure rating of process seal is temperature dependent. See Pressure/Temperature curves starting on page 5/57.RC 4) Barrier or Intrinsically Safe power supply required for Intrinsically Safe protection Design: Probe |
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| Rod version | High Temperature version | Cable version | Length | Min. 250 mm (9.8 inch),
max. 1 000 mm (40 inch) | Min. 250 mm (9.8 inch),
max. 1 000 mm (40 inch) | Min. 1 000 mm (40 inch),
max. 25 000 mm (984 inch) | Sensor wetted parts | PFA (no insulation on active probe), 316L stainless steel, PEEK isolators | Ceramic (ZrO21)) isolators (no insulation on active probe), 316L stainless steel | 316 stainless steel, optional PFA, PEEK isolators | O-ring seal material | FKM (optional FFKM)2) | Graphite2) | FKM (optional FFKM)2) | Thermal isolator | Optional | Standard | Optional | Extension | User selectable length | User selectable length | User selectable cable length |
1) Zirconium Oxide 2) For caustic materials, consult a local sales person for alternative O-rings. For more information, please visit http://www.automation.siemens.com/aspa_app.
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