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PCST27

Product catalog summary

Overview: The posichron® PCST27 is a robust rod-style magnetostrictive position sensor designed for demanding environments such as underwater applications, hydraulic cylinders, and level indicators. It boasts high protection classes (IP68/IP69), pressure resistance up to 15 bar, and shock resistance up to 50 g.

Product Versions: The PCST27 is available in multiple versions with different output options: analog output (1 or 2 channels), digital output SSI, and digital output CANopen.

Specifications:

Analog Output (1 Channel): Features various signal conditioners (0-10 V, 0.5-10 V, 0.5-4.5 V, 4-20 mA) with adjustable parameters. It offers a 16-bit resolution and a sampling rate up to 1 kHz.
Analog Output (2 Channels): Similar to the 1-channel version but includes velocity detection. It also provides a 16-bit resolution and a sampling rate up to 1 kHz.
Digital Output SSI: Offers a synchronous serial interface with resolutions from 5 to 100 µm and supports 24 or 25 data bits.
Digital Output CANopen: Supports CANopen-Bus and CAN SAE J1939 with a resolution of 50 µm and a sampling rate up to 1 kHz.

Common Features:

Operates under pressure up to 400 bar.
Measurement range from 100 to 5750 mm in 10 mm increments.
Constructed with stainless steel EN 1.4404 (AISI 316L).
Temperature range from -40 to +85°C.
Complies with shock and vibration resistance standards.
EMC compliance with DIN EN 61326-1:2013.

Dimensions and Mounting: The sensor offers various mounting options (M18 x 1.5, ¾”-16UNF) and detailed installation dimensions. It includes options for cable protection using hydraulic tubes.

Accessories: A range of position magnets is available, including standard and specialized designs for diverse applications.

Output Specifications: Detailed specifications for each output type, including excitation voltage, current, load, resolution, stability, and protection features.

Diagnostics: The document describes the behavior of analog signal outputs in error scenarios, such as missing magnets or signals outside the measuring range.

Alarm States:

Alarm_HIGH: Output voltage/current is at a high level (overrange).
Alarm_LOW: Output voltage/current is at a low level (underrange).
Alarm_HOLD: Output voltage/current retains the last valid state.

Order Codes and Conditions: Various order codes are provided for different output conditions, ensuring the sensor retains the last valid state under specific circumstances.

Error Signal for SSI Output: If the sensor cannot detect a magnet, the position value defaults to the maximum value (0xFFFFFF for 24 bits, 0x1FFFFFF for 25 bits).

PMU Option for Analog Output: Allows programming of start and end values via a SPAN/ZERO signal, with reset options to factory settings.

Digital Output - SSI: Features include EIA RS-422 interface, 10-36 V DC excitation voltage, and a clock frequency range of 100 kHz to 1 MHz.

CANopen Interface: Adheres to ISO 11898, supports CANopen CiA 301 V 4.02, with a transmission rate of 50 kBit to 1 MBit.

CANJ1939 Interface: Complies with ISO 11898, with a baud rate of 250 kbit/s.

Signal Wiring: Utilizes a 5-pin M12 connector for both CANopen and CANJ1939 interfaces, with a minimum magnet distance of 70 mm for proper identification.

Catalog excerpts

posichron® Magnetostrictive Position Sensors PCST27 Rod-style displacement sensor for underwater applications, hydraulic cylinders, level indicators Protection class IP68/IP69, pressureproof up to 15 bar, water-proof cable seal Wear and maintenance free High level of shock resistance up to 50 g (100 shocks) Guiding distance of up to 19 mm (depending on magnet/profile) Product versions Analog output, 1 channel Analog output, 2 channels

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PCST27 - Rod-style Magnetostricitve Position Sensor Version with analog output, 1 channel Specification Order options, 1 channel Mounting Working pressure 400 bar, other values on request Measurement range 100 ... 5750 (in 10 mm increments) other lengths upon request 0 ... 10 V signal conditioner U1 with alarm_HOLD 0.5 ... 10 V signal conditioner U2 with alarm_LOW; U2 with alarm_HOLD 0.5 ... 4.5 V signal conditioner U8 with alarm_LOW; U8 with alarm_HOLD 4 ... 20 mA signal conditioner (3 wire) I1 with alarm_LOW; I1with alarm_HOLD Position magnet 1, increasing Position magnet 1, decreasing Start...

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PCST27 - Rod-style Magnetostricitve Position Sensor Version with analog output, 2 channels Specifications Order options, 2 channels Mounting Working pressure 400 bar, other values on request Measurement range 100 ... 5750 (in 10 mm increments) other lengths upon request 0 ... 10 V signal conditioner U1 with alarm_HOLD 0.5 ... 10 V signal conditioner U2 with alarm_LOW; U2 with alarm_HOLD 0.5 ... 4.5 V signal conditioner U8 with alarm_LOW; U8 with alarm_HOLD 4 ... 20 mA signal conditioner (3 wire) I1 with alarm_LOW; I1with alarm_HOLD Function and characteristics, output 1 Position magnet 1, increasing...

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1) VZx.x = velocity with direction detection (with 1 magnet only), in steps of 0.1 m/s Example: VZ1.5 towards start position 2) VAx.x = velocity without direction detection (with 1 magnet only), in steps of 0.1 m/s Example: VA1.5 towards start position Accessories: Position magnets (see from page 13)

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PCST27 - Rod-style Magnetostricitve Position Sensor Version with digital output SSI Specifications Order options Mounting Working pressure 400 bar, other values on request Measurement range 100 ... 5750 (in 10 mm increments) other lengths upon request Synchronous serial interface (SSI) Output code Gray Dual Number of data bits Sampling rate Up to 1 kHz, depending on the measurement range Housing material Stainless steel EN 1.4404 (AISI 316L) Protection class Cable, standard length 2 m; other lengths upon request Temperature range Order example: PCST27 – M18 – 1000 – 5 – SSI / G / 24 ‒ L10 – KAB2M...

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PCST27 - Rod-style Magnetostricitve Position Sensor Version with digital output CANopen Specifications Order options Mounting Working pressure 400 bar, other values on request Measurement range 100 ... 5750 (in 10 mm increments) other lengths upon request CANopen-Bus CANopen-Bus with integrated terminating resistance CAN SAE J1939 CAN SAE J1939-Bus with integrated terminating resistance Sampling rate Up to 1 kHz, depending on the measurement range Housing material Stainless steel EN 1.4404 (AISI 316L) Protection class Cable, standard length 2 m; other lengths upon request Temperature range Order...

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Dimensions Cable output, M18 flange C D = M18x1.5 A – Start position B – End position C – Total length = Measurement length + 105 [4.134] (e.g. 205 [8.071]) D – Flange M18 x 1.5 E – Measurement length (e.g. 100 [3.937] ) Dimensions in mm [inch] Dimensions informative only. For guaranteed dimensions consult factory. Cable output, flange 3/4” C D = 3/4-16 UNF - 2A A – Start position B – End position C – Total length = Measurement length + 105 [4.134] (e.g. 205 [8.071]) D – Flange 3/4”-16UNF-2A E – Measurement length (e.g. 100 [3.937] ) Dimensions in mm [inch] Dimensions informative only. For guaranteed...

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With hydraulic tube as cable protector C D = 3/4-16 UNF - 2A A – Start position B – End position C – Total length = Measurement length + 105 [4.134] (e.g. 205 [8.071]) D – Flange M18x1.5 E – Measurement length (e.g. 100 [3.937]) F – With hydraulic tube as cable protector (hydraulic tube not included in delivery) Dimensions in mm [inch] Dimensions informative only. For guaranteed dimensions consult factory.

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Mounting sets Mounting hole M18 B – Drive hole and pivot M18 x 1.5 according to ISO 6149 C – Diameter of the plane area without marking ring D – Effective diameter Dimensions in mm [inch] Dimensions informative only. For guaranteed dimensions consult factory.

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B – Drive hole according to ISO 11926-1 UN/UNF thread 2B according to ANSI B1.1/ISO 725 Pivot according to ISO 11926-2 and 3 UN/UNF thread 2A according to ANSI B1.1/ISO 725 Sealing by O-ring C – Effective diameter Dimensions in mm [inch] Dimensions informative only. For guaranteed dimensions consult factory.

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O-ring sealing O-ring sealing (M18) for: PCST24-M18... PCST25-M18... PCST27-M18... Dimensions in mm [inch] Dimensions informative only. For guaranteed dimensions consult factory. Order code PCST – OR – M18 Dimensions in mm [inch] Dimensions informative only. For guaranteed dimensions consult factory. Order code PCST – OR – Z3/4

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O-ring sealing (Plug-in version) for: PCST25-SV A – Supporting ring B – O-Ring A – Threaded pin B – Supporting ring C – O-Ring Dimensions in mm [inch] Dimensions informative only. For guaranteed dimensions consult factory. Order code PCST – OR – SV

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Position magnets for posichron®-PCST PCSTMAG1 Dimensions in mm [inch] Dimensions informative only. For guaranteed dimensions consult factory. Other designs can be realized on request.

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A – Center of magnet Dimensions in mm [inch] Dimensions informative only. For guaranteed dimensions consult factory. Other designs can be realized on request. Dimensions in mm [inch] Dimensions informative only. For guaranteed dimensions consult factory. Other designs can be realized on request.

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