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Festo CMSH-
Intelligent, digital electropneumatic positioner with HART communication , Fast and precise position control of single- and double-acting pneumatic rotary and linear drives , With integrated or extern…
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Description
Intelligent, digital electropneumatic positioner with HART communication , Fast and precise position control of single- and double-acting pneumatic rotary and linear drives , With integrated or external path/angular detection , Commissioning, operation, maintenance and diagnostics on the local display via the user-friendly software menu or via remote access with EDD-based (Electronic Device Description) or FDT-based (Field Device Tool) transmission , 2-conductor technology , Perfect interaction with the pneumatic extension modules VTOP , Variants with safety functions , Sustainable operation thanks to efficient control
Specification
| Design |
Digital, electropneumatic positioner |
|---|---|
| Mode of operation |
Double-acting, Single-acting |
| Design characteristics |
Safety position – pneumatic outlets closed, Safety pneumatic output 2 exhausted, Safety pneumatic output 4 pressurised |
| Mounting position |
optional |
| Type of mounting |
With accessories, To VDI/VDE 3845, To VDI/VDE 3847-2 |
| Functional principle of measuring system |
Potentiometer, External |
| Sensing range |
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 |
| ATEX category gas |
II (1) 2G, II 2G |
| Explosion ignition protection type for gas |
Ex ia [ia Ga] IIC T4/T6 Gb, Ex ib IIC T4/T6 Gb |
| ATEX category dust |
II (1) 2D, II 2D |
| Explosion ignition protection type for dust |
Ex ia [ia Ga] IIIC T135°C Db, Ex ib IIIC T135°C Db |
| Explosion ambient temperature |
-40 °C <= Ta <= +135 °C, T4: -40 °C <= Ta <= +80 °C, T6: -40°C <= Ta <= +50°C |
| Certificate issuing authority |
2025322307006725, BVS 23 ATEX E004, DNV 24.0177, IECEx BVS 23.0001 |
| Max. intrinsically safe circuit input parameter |
See IECEx certificate, See ATEX certificate |
| Max. input power Pi |
See ATEX certificate, See IECEx certificate |
| Max. input voltage Ui |
See ATEX certificate, See IECEx certificate |
| Max. input current Ii |
See ATEX certificate, See IECEx certificate |
| Effective internal capacitance Ci |
See ATEX certificate, See IECEx certificate |
| Effective internal inductivity Li |
See ATEX certificate, See IECEx certificate |
| Overvoltage category |
II |
| Operating pressure |
20.3, 116 psi |
| Operating medium |
Compressed air to ISO 8573-1:2010 [7:4:4] |
| Note on operating and pilot medium |
Lubricated operation not possible, Maximum particle size 40 µm |
| Air flow rate at Δp = 6 bar |
270, 380 l/min |
| Note on air flow rate |
Depending on additional specific accessories |
| Pneumatic connection |
G1/4, 1/4 NPT |
| Pressure gauge connection |
G1/8, 1/8 NPT |
| Reverse polarity protection |
yes |
| Connection resistance |
3, 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 |
| 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 3, 2x 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 V, 24 V |
| Digital outputs, short circuit current rating |
yes |
| Digital outputs, overload protection |
Yes, <30 V |
| Digital outputs, electrical isolation |
yes |
| Electrical connection 1, function |
Analogue input, Digital input, External 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 output, Analogue output, Digital 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 NPT, 2x M20x1.5 |
| Max. cable length |
30 m for external position sensor, Shielded |
| Ambient temperature |
-40, 80 °C |
| Note on ambient temperature |
Display: -30 – 80°C |
| Storage temperature |
-40, 80 °C |
| Climatic category |
1K5 to EN 60721 for storage, 4K3 to EN 60721 for operation |
| Degree of protection |
IP66, IP67 |
| 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 Directive, To EU Explosion Protection Directive (ATEX), In accordance with EU RoHS Directive |
| UKCA marking (see declaration of conformity) |
To UK instructions for EMC, To UK EX instructions, To UK RoHS instructions |
| Explosion protection certification outside the EU |
EPL Db (BR), EPL Db (CN), EPL Db (GB), EPL Db (IEC-EX), EPL Gb (BR), EPL Gb (CN), 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 |
Galvanised steel |
| Material seals |
EPDM, NBR, VMQ |
| LABS (PWIS) conformity |
VDMA24364 zone III |
| Note on materials |
RoHS-compliant |
| Product weight |
2045, 2820 g |
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