Festo CMSH
Valve positioner
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Festo Valve positioner.
CMSH Datasheet:
| Design | Digital, electropneumatic positioner |
| Mode of operation | Double-actingSingle-acting |
| Design characteristics | Safety position - pneumatic outlets closedSafety pneumatic output 2 exhaustedSafety pneumatic output 4 pressurised |
| Mounting position | optional |
| Type of mounting | With accessoriesTo VDI/VDE 3845To VDI/VDE 3847-2 |
| Functional principle of measuring system | PotentiometerExternal |
| Sensing range | 0 deg ... 115 deg |
| Display | LCD display, via software 90° rotatable |
| Setting options | Via display and keys |
| Cycle time | 20 ms |
| Nominal altitude of use | <= 2000="" m="" nhn="" td=""> |
| ATEX category gas | II (1) 2GII 2G |
| Explosion ignition protection type for gas | Ex ia [ia Ga] IIC T4/T6 GbEx ib IIC T4/T6 Gb |
| ATEX category dust | II (1) 2DII 2D |
| Explosion ignition protection type for dust | Ex ia [ia Ga] IIIC T130°C DbEx ia [ia Ga] IIIC T85°C DbEx ib IIIC T130°C GbEx ib IIIC T85°C Gb |
| Explosion ambient temperature | T4: -40 °C <= ta="" 80="" ct6:="" -40="" c="" 50="" td=""> |
| Certificate issuing authority | BVS 23 ATEX E004IECEx BVS 23.0001 |
| Max. intrinsically safe circuit input parameter | See IECEx certificateSee ATEX certificate |
| Max. input power Pi | See ATEX certificateSee IECEx certificate |
| Max. input voltage Ui | See ATEX certificateSee IECEx certificate |
| Max. input current Ii | See ATEX certificateSee IECEx certificate |
| Effective internal capacitance Ci | See ATEX certificateSee IECEx certificate |
| Effective internal inductivity Li | See ATEX certificateSee IECEx certificate |
| Overvoltage category | II |
| Operating pressure | 0.14 MPa ... 0.8 MPa |
| Operating pressure | 1.4 bar ... 8 bar |
| Operating pressure | 20.3 psi ... 116 psi |
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
| Note on operating and pilot medium | Lubricated operation not possible |
| Air flow rate at О”p = 6 bar | 270 l/min ... 380 l/min |
| Note on air flow rate | Depending on additional specific accessories |
| Pneumatic connection | G1/41/4 NPT |
| Pressure gauge connection | G1/81/8 NPT |
| Reverse polarity protection | yes |
| Connection resistance | 3 kOhm ... 80 kOhm |
| digital input, signal range | 4 - 20 mA with HART |
| Analogue inputs, input impedance | 480 ohm at 20 mA |
| Analog inputs, overload protection | <65 ma="" td=""> |
| Analogue inputs, electrical isolation | yes |
| digital output, signal range | 4 - 20 mA |
| Analogue outputs, functional principle | Regulated power source with external supply |
| Analogue outputs, supply voltage | 24 V |
| Analogue outputs, reverse polarity protection | yes |
| Analog outputs, short circuit current rating | yes |
| Analog outputs, overload protection | yes |
| Analogue outputs, galvanic isolation | yes |
| Characteristic for inputs | 1x to IEC 61131-2, type 32x to IEC 61131-2, type 3 |
| Digital inputs, reverse polarity protection | yes |
| Digital inputs, electrical isolation | yes |
| Digital inputs, overload protection | 33 V |
| Switching output | 2x to IEC 60947-5-6 or 2x to DIN EN 61131-2 type 2, switchable |
| Digital outputs, supply voltage | 8.2 V24 V |
| Digital outputs, short circuit current rating | yes |
| Digital outputs, overload protection | Yes, <30 v="" td=""> |
| Digital outputs, electrical isolation | yes |
| Electrical connection 1, function | Analogue inputDigital inputExternal path/angle sensor |
| Electrical connection 1, connection type | Terminal strip |
| Electrical connection 1, connector system | Spring-loaded terminal |
| Electrical connection 1, number of connections/cores | 7 |
| Electrical connection 2, function | 2x digital outputAnalogue outputDigital input |
| Electrical connection 2, connection type | Terminal strip |
| Electrical connection 2, connector system | Spring-loaded terminal |
| Electrical connection 2, number of connections/cores | 8 |
| Cable fitting | 2x 1/2 NPT2x M20x1.5 |
| Max. cable length | 30 m for external position sensorShielded |
| Ambient temperature | -40 °C ... 80 °C |
| Note on ambient temperature | Display: -30 - 80°C |
| Storage temperature | -40 °C ... 80 °C |
| Climatic category | 1K5 to EN 60721 for storage4K3 to EN 60721 for operation |
| Degree of protection | IP66IP67 |
| Shock resistance | Shock test with severity level 1 to FN 942017-5 and EN 60068-2-27 |
| Vibration resistance | Transport application test with severity level 2 to FN 942017-4 and EN 60068-2-6 |
| Pollution degree | 3 |
| Approval | RCM trademark |
| CE mark (see declaration of conformity) | To EU EMC DirectiveTo EU Explosion Protection Directive (ATEX)In accordance with EU RoHS Directive |
| CE marking (see declaration of conformity) | To UK instructions for EMCTo UK EX instructionsTo UK RoHS instructions |
| Explosion protection certification outside the EU | EPL Gb (GB)EPL Gb (IECEx) |
| Material housing | Aluminium, powder-coated |
| Material screen | PC |
| Material shaft | High-alloy stainless steel |
| Material coupling | High-alloy stainless steel |
| Material screws | High-alloy stainless steel |
| Material seals | EPDMNBRVMQ |
| LABS (PWIS) conformity | VDMA24364 zone III |
| Note on materials | RoHS-compliant |
| Product weight | 2055 g ... 2820 g |
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