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Summary of Contents for Pfeiffer Vacuum CPT 200
- Page 1 OPERATING INSTRUCTIONS Translation of the Original CPT 200 Digital Piezo-resistive gauge...
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Page 2: Telegram Example
Dear Customer, Thank you for choosing a Pfeiffer Vacuum product. Your new gauge is designed to support you in your individual application with maximum performance and without malfunctions. The name Pfeiffer Vacuum stands for high-quality vacuum technology, a comprehensive and complete range of top-quality products and first-class service. -
Page 3: Table Of Contents
Transporting the product Storing the product Installation Establish vacuum connection Creating "RS-485" connection Interfaces Interface RS-485 Pfeiffer Vacuum protocol for RS-485 interface 6.2.1 Telegram frame 6.2.2 Telegram description 6.2.3 Telegram example 1 6.2.4 Telegram example 2 6.2.5 Data types Parameter set... - Page 4 Table of contents Shipping Recycling and disposal 13.1 General disposal information 13.2 Dispose of gauges Service solutions by Pfeiffer Vacuum Accessories 15.1 Accessory information 15.2 Ordering accessories Technical data and dimensions 16.1 General 16.2 Technical data 16.3 Dimensions UL/CSA certification...
- Page 5 List of tables List of tables Tbl. 1: Applicable documents Tbl. 2: Variants Tbl. 3: Abbreviations used Tbl. 4: Permissible ambient conditions Tbl. 5: Features of the RS-485 interface Tbl. 6: Explanation and meaning of the parameters Tbl. 7: Overview of parameters of CPT gauge Tbl.
- Page 6 Cross-link via RS-485 connection using OmniControl Fig. 5: Connection assignment of RS-485 connecting socket Fig. 6: Examples of reading current pressure values via [P:740] Fig. 7: CPT 200 with DN 16 ISO-KF Fig. 8: CPT 200 with G 1/4" 6/42...
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Page 7: About This Manual
Variants You can find the part number on the rating plate of the product. Pfeiffer Vacuum reserves the right to make technical changes without prior notification. Information that relates to only one of the products is indicated accordingly. The figures in this document are not to scale. -
Page 8: Conventions
This section describes all the stickers on the product along with their meanings. Rating plate The rating plate is located on the back of the device. D-35614 Asslar Mod. CPT 200 PT Rxx xxx 12345678 Range 1.0 - 2000 hPa Input 24 V DC 1.5 W Made in Germany 2022/10 1.3.4 Abbreviations... -
Page 9: Trademark Proof
About this manual Abbreviation Explanation Mean sea level Overrange [P:xxx] Electronic drive unit control parameters. Printed in bold as a three-digit number in square brackets. Frequently displayed in conjunction with a short description. Example: [P:312] software version Pressure RS-485 Standard for a physical interface for asynchronous serial data transmission (recom- mended standard) Voltage supply (turbo power supply) Underrange... -
Page 10: Safety
Safety instructions according to product life stages All safety instructions in this document are based on the results of a risk assessment. Pfeiffer Vacuum has taken into account all the relevant life stages of the product. Risks during installation DANGER Risk to life due to electric shock An improperly earthed product is potentially fatal in the event of a fault. - Page 11 ► Only operate the unit in a dry environment. ► Operate the unit away from fluids and sources of moisture. ► Do not switch on the unit if fluid has entered it. Instead contact Pfeiffer Vacuum Service. ► Always disconnect the power supply before cleaning the unit.
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Page 12: Safety Precautions
Safety WARNING Health hazard through poisoning from toxic contaminated components or devices Toxic process media result in contamination of devices or parts of them. During maintenance work, there is a risk to health from contact with these poisonous substances. Illegal disposal of toxic sub- stances causes environmental damage. -
Page 13: Limits Of Use Of The Product
Tbl. 4: Permissible ambient conditions 2.5 Proper use The CPT 200 gauge is used for vacuum measurement of air, gases and gauges outside their explosion limits, within the range of 1 to 2000 hPa. Use the product according to its intended purpose ►... - Page 14 Safety ● Use outdoors ● Use after technical changes (inside or outside on the product) ● Use with replacement or accessory parts that are not suitable or not approved 14/42...
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Page 15: Product Description
You will need all the data from the rating plate to safely identify the product when communicating with Pfeiffer Vacuum. ► To ensure clear identification of the product when communicating with Pfeiffer Vacuum, always keep all of the information on the rating plate to hand. -
Page 16: Transport And Storage
Transport and storage 4 Transport and storage 4.1 Transporting the product NOTICE Damage caused by incorrect transport Transport in unsuitable packaging or failure to install all transport locks can result in damage to the product. ► Comply with the instructions for safe transport. Packing We recommend keeping the transport packaging and original protective cover. -
Page 17: Installation
Installation 5 Installation 5.1 Establish vacuum connection DANGER Risk to life due to electric shock An improperly earthed product is potentially fatal in the event of a fault. ► Connect the product galvanically with the earthed vacuum chamber. ► Ensure that the connection complies with the requirements of a protective bonding according to EN 61010. -
Page 18: Creating "Rs-485" Connection
● Requirements of the earthed protective extra-low voltage (PELV) ● Limited power source (LPS) Class 2 ► Secure the line to the product. – Pfeiffer Vacuum measuring and control equipment complies with this requirement. NOTICE Property damage due to ground contact of electronics Disconnecting or connecting the "RS-485"... -
Page 19: Fig. 3: Cross-Link Via Connection Rs-485 Using Connection Cables And Accessories
2. Make sure that all devices connected to the bus have different RS-485 device addresses. 3. Connect all devices with RS-485 D+ and RS-485 D- to the bus. Connect Pfeiffer Vacuum display and control units or a PC ► Use a connecting cable from the DigiLine accessories range. -
Page 20: Interfaces
3 GND 6.2 Pfeiffer Vacuum protocol for RS-485 interface 6.2.1 Telegram frame The telegram frame of the Pfeiffer Vacuum protocol contains only ASCII code characters [32; 127], the exception being the end character of the telegram C . Basically, a master (e.g. a PC) sends a tele- gram, which a slave (e.g. -
Page 21: Telegram Description
Interfaces 6.2.2 Telegram description Data query --> Control command --> Data response / Control command understood --> Error message --> NO_DEF Parameter number n2–n0 no longer exists _RANGE Data dn–d0 outside the permissible range _LOGIC Logical access error 6.2.3 Telegram example 1 Query pressure value Current measured pressure (parameter [P:740], slave device address: "001") -->... -
Page 22: Data Types
Interfaces 6.2.5 Data types Data type Description Length Example l1 – l0 boolean_old Logical value (false/true) 000000 is equivalent to false 111111 is equivalent to true u_integer Positive whole number 000000 to 999999 u_real Positive fixed point number 001571 corresponds with 15.71 string Any character string with 6 charac-... -
Page 23: Parameter Set
All variables relevant for the function are stored as parameters in the gauge. Each parameter has a three-digit number and a description. The parameter can be accessed via Pfeiffer Vacuum display and control units or via RS-485 using Pfeiffer Vacuum protocol. -
Page 24: Status Requests
Parameter set 7.3 Status requests Description Functions Data Access Unit min. max. type type fault stor- Error code 000000 = No error Err001 = Sensor defective Err002 = Memory defective Gauge firmware Example of first firmware version: version 010100 Device name CPT200 Hardware version Example for first hardware ver-... -
Page 25: Operation
Operation 8 Operation Once the supply voltage has been established, the measurement signal is available at the electrical connection. Meaning No power supply Lights up green Supply voltage OK, measuring mode, valid pressure values, sensor for low pressure range active Lights up yellow Other mode (e.g. -
Page 26: Reading And Setting Relay And Switch-Points
Operation 8.1 Reading and setting relay and switch-points The analog relay versions (AR) of the DigiLine gauges feature two pressure-controlled relay contacts that can be configured via the RS-485 interface using an external controller. The data format is identical to parameter [P:740]. Read switch-points via RS-485 1. -
Page 27: Disassembly
Disassembly 9 Disassembly DANGER Risk to life due to electric shock An improperly earthed product is potentially fatal in the event of a fault. ► Connect the product galvanically with the earthed vacuum chamber. ► Ensure that the connection complies with the requirements of a protective bonding according to EN 61010. -
Page 28: Maintenance
► Only operate the unit in a dry environment. ► Operate the unit away from fluids and sources of moisture. ► Do not switch on the unit if fluid has entered it. Instead contact Pfeiffer Vacuum Service. ► Always disconnect the power supply before cleaning the unit. -
Page 29: Calibrating Gauge
► Operate the device away from fluids and humidity sources. ► Take special precautions if there is a risk of dripping water. ► Do not switch on the device if fluid has penetrated into it, instead contact the Pfeiffer Vacuum Service Center. -
Page 30: Malfunctions
Malfunctions 11 Malfunctions Warranty Malfunctioning of the equipment as a direct result of contamination or wear, as well as wear parts, is not covered by the warranty. Malfunction Possible cause Remedy Communication error: Gauge No power supply Connect a data cable or power supply pack. -
Page 31: Shipping
► Comply with the instructions for safe distribution. Decontamination subject to charge Pfeiffer Vacuum decontaminates products not clearly declared "Free of contamination" at your expense. Ship product safely ► Do not ship microbiological, explosive or radioactively contaminated products. -
Page 32: Recycling And Disposal
13.1 General disposal information Pfeiffer Vacuum products contain materials that you must recycle. ► Dispose of our products according to the following: – Iron –... -
Page 33: Service Solutions By Pfeiffer Vacuum
We are always focused on perfecting our core competence – servicing of vacuum components. Once you have purchased a product from Pfeiffer Vacuum, our service is far from over. This is often exactly where service begins. Obviously, in proven Pfeiffer Vacuum quality. - Page 34 Service solutions by Pfeiffer Vacuum 5. Prepare the product for transport in accordance with the provisions in the contamination declaration. a) Neutralize the product with nitrogen or dry air. b) Seal all openings with blind flanges, so that they are airtight.
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Page 35: Accessories
Power supply packs for wall- and standard rail mounting to supply power to DigiLine gauges OmniControl control unit Universal control unit for all products with Pfeiffer Vacuum RS-485 protocol. It supplies up to two trans- mitters and is equipped with a display for displaying the pressure of up to 16 measuring channels. -
Page 36: Technical Data And Dimensions
Connection (electrical) Binder M12 connector, 5-pole, A-coded Cable length ≤100 m Tbl. 16: Electrical data Parameter Value Protocol ASCII, addressable (RS-485), Pfeiffer Vacuum protocol Data format Bidirectional data traffic, data word length 8 bits, 1 stop bit, no parity bit 36/42... -
Page 37: Tbl. 17: Rs-485 Interface
Technical data and dimensions Parameter Value Baud rate 9600 Connection Binder M12 connector, 5-pole, A-coded Tbl. 17: RS-485 interface Parameter Value Weight DN 16 ISO-KF 190 g G 1/4" 190 g Tbl. 18: Connection flanges and weight Parameter Value Air pressure 800 –... -
Page 38: Dimensions
Technical data and dimensions 16.3 Dimensions Ø 30 DN 16 ISO-KF Fig. 7: CPT 200 with DN 16 ISO-KF Dimensions in mm G 1/4“ Fig. 8: CPT 200 with G 1/4" Dimensions in mm 38/42... -
Page 39: Ul/Csa Certification
The product CPT 200 - conforms to the UL standards UL 61010-1, 3rd edition (2016) Safety requirements for electrical equipment for measurement, control and laboratory use Part 1: General requirements - is certified to the CSA standards CSA C22.2 No. 61010-1-12, UPD1:2015, UPD2:2016... -
Page 40: Ec Declaration Of Conformity
This declaration of conformity has been issued under the sole responsibility of the manufac- turer. Declaration for product(s) of the type: Digital Piezo-resistive gauge CPT 200 We hereby declare that the listed product satisfies all relevant provisions of the following European Directives. Electromagnetic compatibility 2014/30/EU... -
Page 41: Declaration Of Conformity
EN IEC 61326-1:2021 EN IEC 63000:2018 The manufacturer's authorized representative in the United Kingdom and the authorized agent for compiling the technical documentation is Pfeiffer Vacuum Ltd, 16 Plover Close, In- terchange Park, MK169PS Newport Pagnell. Signature: Pfeiffer Vacuum GmbH Berliner Straße 43...
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