mensor PCS 400 Operation Manual
  1. Manuals
  2. Brands
  3. mensor Manuals
  4. Test Equipment
  5. PCS 400
  6. Operation manual

mensor PCS 400 Operation Manual

Pressure calibration system
Hide thumbs
Table of Contents

Advertisement

Quick Links

mensor PCS 400 Operation Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the PCS 400 and is the answer not in the manual?

Questions and answers

Related Manuals for mensor PCS 400

Summary of Contents for mensor PCS 400

  • Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
  • Page 2 ® Operation Manual - PN 0014141001 T1 PRESSURE CALIBRATION SYSTEM This Manual contains important information. PLEASE READ PRIOR TO USE. ISO 9001:2000 2066.01 FM 59031...

  • Page 3: Warranty

    Mensor Corporation, this warranty does not apply. The judgment of Mensor Corporation will be final as to all matters concerning condition of the product, the cause and nature of a defect, and the necessity or manner of repair. Service, repairs or disassembly of the product in any manner, performed without specific factory permission, voids this warranty.

  • Page 4: Warnings And Caution Notes

    Please Notice: The product specifications and other information contained in this manual are subject to change without notice. Mensor Corporation has made a concerted effort to provide complete and current information for the proper use of the equipment. If there are questions regarding this manual or the proper use of the equipment, contact Mensor Corporation at: 1.512.396.4200 or 1.800.984.4200 (USA only)

  • Page 5: Packaging For Shipment

    PCS 400 PACKAGING FOR SHIPMENT If the product must be shipped to a different location or returned to Mensor for any reason through a common carrier it must be packaged properly to minimize the risk of damage. The recommended method of packing is to place the instrument in a container, surrounded on all sides with at least four inches of shock attenuation material such as styrofoam peanuts.

  • Page 6: Mensor Background

    These founders were involved in the design of the original quartz bourdon pressure gauge at TI. Mensor’s CEO, Jerry Fruit, is co-holder of the patent on using a fused quartz bourdon tube to accurately measure pressure. Mensor employees have an average tenure of sixteen years. That’s a lot of pressure experience! PRODUCTS: Mensor’s portfolio of products consists of an extensive line of precision pressure instru-...

  • Page 7: Summary Of Contents

    MENSOR IS ON THE WEB AT www.mensor.com At our web site you will find information and specifications on Mensor’s products and services. From there you can ask questions, or direct comments to our sales or technical people. Also available are various technical papers relating to pressure management which you can browse, download or convert to hard copy.

  • Page 8: Table Of Contents

    Chassis Assembly ........1-4 Summary of PCS 400 Functions ....... . . 1-5 Power Up! .
  • Page 9 PCS 400 Command Set ........4-2...
  • Page 10 4 - High Pressure Control Unit ....... . . 8-7 5 - TI/Heise/Mensor Model 179 Controller Emulation ..... . 8-7 6 - Vacuum Gauge and Tube .
  • Page 11 Figure 1.1 – Front Panel ........1-1 Figure 1.2 – PCS 400 Rear View ......1-2 Figure 1.3 –...
  • Page 12 ....8-17 Figure 8.12 – PCS 400 Rear View ......8-18 Figure 8.13 –...
  • Page 13 TABLE OF CONTENTS PCS 400 User's Notes: www.mensor.com...

  • Page 14: Introduction

    PCS 400 INTRODUCTION INTRODUCTION DID YOU GET EVERYTHING? MEET YOUR MODEL PCS 400 The Model PCS 400 Pressure Calibration System is In addition to this manual you should have: a self-contained, computerized, high accuracy · pressure management system integrated into a PCS 400 ·...

  • Page 15: Rear Panel

    INTRODUCTION PCS 400 Rear Panel panel. The pneumatic side exposes the four fitting The rear panel (figure 1.2) includes access to the line-fuse holder, the power cord socket, the system ports of the pressure manifold, and may have ad- power switch, a ventilator fan opening, and several ditional electrical connectors to support optional communication connectors.

  • Page 16: Pneumatic Module

    These boards contain the tion data resides on the transducers. signal conditioning and calibration constants for The only moving parts in the PCS 400 are the fan, the SPT. The pneumatic module also includes a Reed Valve Regulator (RVR) pressure controller, an...

  • Page 17: Chassis Assembly

    INTRODUCTION PCS 400 Chassis Assembly The chassis assembly acts as the housing for the system. Each of the major components is easily removed and replaced using basic hand tools. The layout of the internal system is illustrated in the figure below.

  • Page 18: Summary Of Pcs 400 Functions

    SUMMARY OF PCS 400 FUNCTIONS Below is a list giving a brief description of the various functions available to the PCS 400. This listing begins with descriptions of the three function keys on the bottom row, progresses from [1] through [9] in numerical order, then ends with [CE], [+] and [-].

  • Page 19: Power Up

    Since its introduction in the PCS 400 has undergone This confirms that the unit is ready to use. If this is your first time to use a PCS 400 please review the a continuous process of evolution. Many changes Warnings and Cautions information inside the have been in response to special application re- front cover.

  • Page 20: Installation

    A vacuum pump will also improve con- trol for positive pressures below 0.25 psig. The special sensor used in the PCS 400 is relatively insensitive to tilt and vibration. However to further assure stability and accuracy, excessive motor or CAUTION: HIGH NOISE LEVELS.

  • Page 21: Power On

    At the end of the initialization process the screen will default to the STANDBY mode, indicating that several times to reach the SYSTEM the PCS 400 is ready to use. A warm-up period of at LEAK TEST. Press.. least 45 minutes is advised for greatest accuracy.
  • Page 22 If a leak is indicated perform the INTERNAL LEAK If no leaks are indicated the instrument is ready for TEST. This test isolates the PCS 400 internal pneu- duty. The next section (Local Operation) offers matics from the outside system by closing the instructions on operating the instrument from the output shutoff solenoid valve, L3.
  • Page 23 INSTALLATION PCS 400 User's Notes: www.mensor.com...

  • Page 24: Local Operation

    MODES condition; fifteen out of the NUMERIC entry state, and into else is NUMERIC input. their MODE state. the PCS 400 is set for REMOTE [ R ] operation and keypad is disabled; Mode Entry else is LOCAL operation.

  • Page 25: Menu Operations

    The display will keypad enable the four primary pressure opera- tions of the PCS 400. These are STANDBY, sometimes include [USE +, –, =, CE]. When such a prompt is displayed these four keys will function...
  • Page 26 PCS 400 LOCAL OPERATION LABEL DESCRIPTION Used only for some options. Sequences: A series of functional steps (macros) which can be created, edited, run, or deleted by the user. The full text relating to Sequences begins on page 3-11. Run: Next, requires a sequence number [nn], or [=] to rerun the most recently run sequence.
  • Page 27 Note: Run this test only with 0 psig on the REFERENCE pressure port. Supply and/or exhaust pressure is required. Internal Leak: Isolates PCS 400 internal pressure at a selected value, then displays pressure change. System Leak: Same as above except the output valve (L3) is opened to check for leaks in the full internal and external pressure hookup.
  • Page 28 PCS 400 LOCAL OPERATION Control Pressure Stable: Sets parameters for pressure stable signal [S]. [=] Window: Enter pressure value acceptable as stable pressure; default is +/– 0.004% FS. [+] Delay: Set number of consecutive valid readings required (approx 33/sec) to indicate pressure stable;...
  • Page 29 Operation section for additional information.) Address: Set the GPIB address to user’s requirements Term Character: Set the data termination character; The last character sent to the PCS 400 from the controller. [=] LF: Line Feed; 10 decimal. [+] CR: Carriage return; 13 decimal.

  • Page 30: Default Values

    The serial number, address and range of each transducer. This is designated as the primary transducer is recognized by the PCS 400. These transducer, and is assigned address 0. The identity features are displayed on the front panel pressure regulator is configured based on the pres- for the transducer under LIMITS on the menu tree.

  • Page 31: Active Transducer

    LOCAL OPERATION PCS 400 pressure (secondary) transducer until the internal Active Transducer pressure has dropped to a level at or below its full The active transducer is identified by the display scale range. along with any pressure readings. If there is no...

  • Page 32: Control Modes

    FS range of the PCS 400 as shown selected to be active (by local or remote command), or the AUTORANGE is enabled. Relief valves have in the following table.

  • Page 33: Setup For Control Mode

    EXTERNAL ANALOG INPUT. The other con- trol option provides a VOLUME SELECTION such Incrementing the Control Point that the PCS 400 can perform well with either of two The control point may be jogged up or down by widely different external volumes; up to approxi-...

  • Page 34: Solenoid Valves Test

    (Not available when used with the HPCU option or PCS 400 V2.46 software) SEQUENCE MODES: (USE +,-,=,CE) The PCS 400 can store up to 64 separate user CREATE/DELETE SEQUENCE generated sequences. Each sequence program is identified as a number from 1 to 64. The operations that can be applied to a sequence program are: CREATE, LIST, EDIT, RUN and DELETE.

  • Page 35: Create/Delete Sequence

    LOCAL OPERATION PCS 400 [=] to accept the displayed function from the Create: Manual above list. From the SEQUENCE MODES A blank Programming Log is included in the Ap- screen each of the available operations are pendix as an aid to programming sequences. The explained below beginning with CREATE.
  • Page 36 A U T O M A TIC UP- TIME. Enter the number of seconds from 1 to SCALE/DOWNSCALE routine the user enters the 65535 [n...] for the PCS 400 to remain in this starting pressure, the ending pressure, the number condition during RUN. In CONTROL mode of control points and the hold time.

  • Page 37: List/Edit Sequence

    LOCAL OPERATION PCS 400 wait for a manual input rather than a number enter SELECT SEQUENCE TO LIST/EDIT: ENTER 1 - 64 THEN PRESS =:? either [0] and [=], or [=] only. This completes entering the steps for the AUTO-...

  • Page 38: Run Sequence

    PCS 400 LOCAL OPERATION Continue using [+] or [–] to proceed to another step During sequence operation, the top line of the to edit as above, or press [CE] to leave the display will show the sequence number, the se- LIST/EDIT SEQUENCES mode.
  • Page 39 Please keep then press [=]. a written record of the latest changes as they are entered. Contact Mensor Corporation if the master The requirement for a zero password can be turned password is lost.
  • Page 40 PCS 400 LOCAL OPERATION www.mensor.com 3-17...
  • Page 41 LOCAL OPERATION PCS 400 User's Notes: 3-18 www.mensor.com...

  • Page 42: Remote Operation

    Press [=] to install the new address. This Device dependent messages are commands spe- number will be stored in memory and used until it cific to the PCS 400 that are sent via a remote port is changed. (parallel or serial). These messages are device de-...

  • Page 43: Dcl

    SRQ. The PCS 400 will always return a status byte of 00H unless an error condition exists. If some other error The GROUP EXECUTE TRIGGER (GET) is used to code is returned refer to table 4.2 for a listing of all...

  • Page 44: Commands

    _PCS4•XDUCER•digits. Sets the minimum control pressure that can be _PCS4•AUTORANGE•1<lf> commanded. S e t s the PCS 400 with multiple internal _PCS4•DEFAULT transducers to autoselect the transducer with the highest resolution for the pressure being meas- Sets the unit to the factory default settings (see ured.

  • Page 45: Tests

    _PCS4•FUNC•STBY<•unitno> Tests Set to STANDBY mode in current units unless If the PCS 400 is read over a remote port while an unitno specified. internal test is being performed, the instrument will respond with a “B” in the first character of the _PCS4•FUNC•VENT<•unitno>...

  • Page 46: Queries

    Returns 0 cr lf if in Range hold, or _PCS4•OUTFORM? 1 cr lf if in Autorange. Returns the number of the current output format (see PCS 400 Command Responses, Table 4.1). _PCS4•CTRL? Response: ‘sp digits cr lf ’ Returns the current control point in the current engineering units.
  • Page 47 REMOTE OPERATION PCS 400 _PCS4•RATEUNIT? _PCS4•STAT? Returns the pressure rate of change setting (units Returns mode and stability flag. per second or units per minute) if function is Response: ‘mode, stable cr lf ’ available. _PCS4•UNIT? Response: ‘sp digit, name cr lf ’...

  • Page 48: Pcs 400 Command Responses

    PCS 400 REMOTE OPERATION PCS 400 Command Responses All commands that terminate with a ‘?’ will respond a single time in the format stated above. At all other times the standard output format will be used. The standard output normally starts with a space character (sp = 32 dec or 20 hex) to indicate a valid response.

  • Page 49: Table 4.2 - Error Codes

    REMOTE OPERATION PCS 400 Table 4.2 – Error Codes Serial Code Poll Description Error String Returned Byte Expected a pressure units selection NO ERROR OCCURRED GPIB listen/talk error GPIB LISTEN/TALK ERROR Syntax error UNKNOWN COMMAND Expected a valid _PCS4 command...
  • Page 50 PCS 400 REMOTE OPERATION (Table 4.2 – Error Codes continued...) Serial Code Poll Description Error String Returned Byte Invalid transducer selection INVALID TRANSDUCER SELECTION Invalid filter window selection INVALID FILTER WINDOW SELECTION Invalid filter setting selection INVALID FILTER SETTING SELECTION...

  • Page 51: Pcs 200 Emulation

    PCS 200 Emulation Command Set The PCS 200 command syntax uses the following: The PCS 200 was the predecessor to the PCS 400. It was the first Mensor product sold with both GPIB Capital letters represent the exact character and RS-232 capabilities. There are hundreds of transmitted.

  • Page 52: Emulation Responses

    PCS 400 REMOTE OPERATION Emulation Responses The PCS 400 will respond to all commands in the language that the command is formatted in. That is, a command preceded by _PCS4 will return an output string in PCS 400 format, and a command sent in PCS 200 language will return a PCS 200 output string.

  • Page 53: Command Reference

    7 = NOT AVAILABLE 8 = NOT AVAILABLE Example: To command 5.2 inHg on a 40 inHg 9 = Current PCS 400 units (no change) unit, all of the following pressure strings (bytes 3–9) would be acceptable: = 1 byte of variable data <LF>...
  • Page 54 NOTE: The PCS 400 will respond in the PCS 200 output format as long as PCS 200 Mini format (2 bytes): commands are sent. Once a PCS 400 com- mand is sent, the output format will de- fault to the output specified by outform 1.
  • Page 55 Return Cal Data new pressure reading. In the CONTROL This command is not supported by the PCS 400. modes the ‘U’ indicates the measured read- ing does not match the commanded control...
  • Page 56 Return Control Limits Long format (11 bytes): Return QPS Temperature Not supported by the PCS 400. 1 2 3 4 5 6 7 8 9 10 11 F 0 0 0 0 0 0 0 0 9 X Return Null Meter Reading Not supported by the PCS 400.

  • Page 57: Serial Communication

    Parameters Instrument address: Enter a unique address for Returns a variable length string: each PCS 400 on the cable. Valid entries are 0-9. Byte 1 is ‘E’. Baud rate: Select the baud rate which matches Bytes 2–4 is the decimal value of the error.

  • Page 58: Command Format

    A = one byte address (ASCII 0 thru $5?<cr> ASCII 9). Returns current output format from ccc.ccc = valid PCS 400 or PCS 200 address 5. emulation command. t = either <cr> or <lf> termination For multi-drop, with termination character set to character as specified during setup.

  • Page 59: Figure 4.1 - Single Drop Cable

    SHLD 1. Connectors are female, shown from the wired end. HOST 2. If a PCS 400 is removed from the loop then pins 2 and 3 of the vacated connector must be jumpered for the remaining PCS 400(s) to communicate.

  • Page 60: Maintenance

    ‘Spare Parts List’, both of which follow. If you have questions not Remove power cord. covered by this manual the Mensor team is ready Remove the top cover by removing the three to help. Call 1.800.984.4200 (USA only), or screws on the top rear.

  • Page 61: Troubleshooting Guide

    (printed circuit the PCS 400. It is provided to assist the user in boards) to prevent static discharge damage to locating the cause of symptoms that might be en- sensitive electronic components.

  • Page 62: Error Symptoms And Solutions

    - - - - - - - - - - - - - - - - - - - - - - - - - - The power supply in the Return the PCS 400 or the electrical electrical module has failed.
  • Page 63 10%) greater than the commanded set point. CLUE: The PCS 400 requires an - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Å...
  • Page 64 - - - - - - - - - - - - - - - - - - - - - - - - - transferred from the GPIB board to GPIB cable is disconnected at Re-connect the cable. the rear panel of the PCS 400. the front of the electrical Æ module...

  • Page 65: Spare Parts List

    MAINTENANCE PCS 400 SPARE PARTS LIST Below is a table showing PCS 400 spare parts that can be ordered from Mensor. Table 5.2 – Spare Parts Part Description Part Number Comments Miscellaneous Manual 0014141001 Fuses 4100111150 Power Cord 4000400002 Rubber Feet...

  • Page 66: Calibration

    The PCS 400 should have the span verified peri- In both of the calibration setup illustrations the odically on each of its transducers to insure their “Pressure Standard” is normally a deadweight test stability.

  • Page 67: Calibrating A Gauge Pressure Instrument

    ± 0.1% of the transducer full scale value. Press automatically recalibrate the A/D zero and span. If [CE]. The display should now indicate the new true the PCS 400 beeps and does not return the pass- pressure. word prompt, then the A/D has been re-calibrated.

  • Page 68: Calibrating An Absolute Pressure Instrument

    The tubing, valves and other apparatus automatically recalibrate the A/D zero and span. If attached to the gauge must be adequate the PCS 400 beeps and does not return the pass- for the maximum pressure which will word prompt, then the A/D has been re-calibrated.

  • Page 69: Setting The Sensor Span

    CALIBRATION PCS 400 Setting the Sensor Span Apply a known absolute pressure equal to or near NOTES: the span of the sensor. Do not attempt to set span 1. The zero adjustment can be used as a while at or near zero.

  • Page 70: Specifications

    (1 - [filter % divided by 100]) x the new reading. If two consecutive readings Mensor reserves the right to change these specifi- are further apart than the user-specified filter cations without notice.

  • Page 71: General Specifications

    SPECIFICATIONS PCS 400 Pressure Control Rates Mounting A pressure rate limit may be selected to limit the Standard: Table model. maximum slew speed between selected control Optional: Rack Mount Kit with slides is avail- points. Minimum and maximum slew speed is able for mounting in 19 inch rack.

  • Page 72: Figure 7.1 - Dimensional Outline

    PCS 400 SPECIFICATIONS Response Time Pressure Media Less than 0.2 seconds for FS step with no digital Clean, dry, non-corrosive gases, no oxygen. filtering. Operating Environment Orientation Effects Humidity: 5% to 95% RH non-condensing. Negligible effect on span, linearity and zero in any attitude.
  • Page 73 SPECIFICATIONS PCS 400 User's Notes: www.mensor.com...
  • Page 74 4 - High Pressure Control Unit ......8-7 5 - TI/Heise/Mensor Model 179 Controller Emulation ....8-7 6 - Vacuum Gauge and Tube .

  • Page 75: Rack Mount Kit

    OPTIONS PCS 400 1 – RACK MOUNT KIT The PCS 400 is easily mounted into a 7 inch opening After all equipment is installed, check to see that of a 19 inch wide rack. The rack used should satisfy the temperature inside the rack does not exceed the dimensional requirements shown below.

  • Page 76: Figure 8.2 - Rack Specifications

    PCS 400 OPTIONS 19" (48.26 cm) Rack width Rack with standard retma mounting hole pattern Vertical mounting rails Countersink 4 holes on 7" (17.78 cm) high front for #10 Flat Head 6-31/32" (17.70 cm) instrument opening screws 5/8" (1.59 cm) 2"...

  • Page 77: Transport Case

    PCS 400 2 – TRANSPORT CASE A wheeled Transport Case is available suitable for moving the PCS 400 between sites, or as an air- freight (or other) shipping container. The case is constructed of a high impact plastic with a black exterior.

  • Page 78: Multiple Range Pneumatics Kit

    Option 3a which follows. There sensor reading on the bottom line. are some design constraints on a multiple range PCS 400. Contact Mensor to discuss the feasibility When both readings are stable except for the of your particular multi-range requirements.
  • Page 79 OPTIONS PCS 400 Transducer Selection Pneumatic Module The primary transducer (address 0) is selected by The pneumatic plumbing is arranged as shown on default at power up. The Local Operation and the pneumatic schematic in figure 9.6. This module Remote Operation sections of the manual show...

  • Page 80: High Pressure Control Unit

    With the vacuum gauge ON and connected to the rear panel of a PCS 400 which is vented to atmos- phere, the meter pointer will read ‘ATM’. Then,...

  • Page 81: Figure 8.7 - Vt-6 Gauge Tube Wiring

    Note that the open end of the gauge tube and 5 & 7 on the octal socket located inside should point down for this check. the PCS 400 (requires removing only the top panel of the instrument); Vacuum Gauge Connector “This equipment complies with the requirements...

  • Page 82: Bi-Directional Pressure Control

    “———”. It is not necessary to late gauge pressures. enter a plus (+) for positive control points, and there will not be a polarity indicator in the PCS 400 response string for positive pressures. The three basic configurations for emulation modes are explained in paragraphs 8a, 8b and 8c, below.

  • Page 83: 8A - Gauge Transducers (Absolute Emulation) Without Brt

    8b – Gauge Transducers (Absolute and lation) without BRT Vacuum Emulation) with BRT A PCS 400 equipped with from one to three internal This system configuration is shown in figure 9.4 in gauge pressure transducers (no Barometric Refer- the Appendix. All internal transducers (except the...

  • Page 84: 8C - Absolute Transducers (Gauge Emulation) With Brt

    699.989 PSIG ment ISO Guide to the Expression of Uncertainty in Measurement. When the PCS 400 is in CONTROL (EXT) mode the keypad input for setting a control point is disabled. 9 – EXTERNAL ANALOG INPUT The analog input (EXT) can change the control The ANALOG INPUT adds the capability of com- point in 0.025% FS increments.

  • Page 85: Large Volume

    For operation with volumes of 1000 cubic inches or over with this option installed, step through the menu path of LIMITS>CONTROL LIMITS>CONT MODE>OPTION. This will optimize the PCS 400 control algorithm for operation with volumes up to 1000 cubic inches. To switch back to normal vol- ume operation select NORM (the default mode) from the same menu path.

  • Page 86: Figure 8.8 - Large Volume Option (<1000 Cc's External)

    PCS 400 OPTIONS SUPPLY PCS 400 FILTER CHECK VALVE VENT FILTER COARSE SUPPLY SOLENOID VENT SOLENOID SUPPLY CONTROL OUTPUT CONTROL SHUTOFF SHUTOFF SOLENOID SOLENOID DEVICE REGULATOR OUTPUT UNDER FILTER ASSEMBLY N.C. TEST N.C. NORMAL VOLUME EXHAUST MAIN MEASURE POPOFF N.O.

  • Page 87: Bcd Output

    When the Inhibit signal is released ground. This connector and its wiring are identical the data lines will immediately update to the cur- to previous Mensor instruments equipped with 24 rent psi pressure reading. line BCD output.

  • Page 88: Figure 8.10 - Bcd Output/Analog Input Connector

    PCS 400 OPTIONS BCD FUNCTION DIGITAL COMMON PANEL MOUNTED RECEPTACLE MATING CONNECTOR IS AMPHENOL 57-30360 (TYPICAL) 100K 200K 400K 800K RESERVED FOR SPECIAL FUNCTION RESERVED FOR SPECIAL FUNCTION INHIBIT READY + ANALOG IN OPTIONAL - ANALOG IN Figure 8.10 - BCD Output/Analog Input Connector www.mensor.com...

  • Page 89: Two's Complement Binary Output

    8.11 details the output connector pin assignments. The READY signal (pin 32) is held low while the CAUTION: The 16 bit integer represents PCS 400 is updating the output, and goes high when the pressure only in units of PSI. Other the numbers are valid.
  • Page 90 PCS 400 OPTIONS 16 BIT TWO'S COMP FUNCTION DIGITAL COMMON (GND) PANEL MOUNTED RECEPTACLE MATING CONNECTOR IS AMPHENOL 57-30360 (TYPICAL) D15 (MSB) LOGIC 0 LOGIC 0 LOGIC 0 LOGIC 0 LOGIC 0 LOGIC 0 LOGIC 0 LOGIC 0 READY Figure 8.11 - Two's Complement Binary Output www.mensor.com...

  • Page 91: Servo-Disable

    Unless otherwise specified, this option is wired to indication that the PCS 400 is in MEASURE mode. pins 1 and 2 of a female 9-pin D-Sub accessory The switch will open in STANDBY, CONTROL and connector added to the rear panel (see figure 8.12).

  • Page 92: Low Pressure External Plumbing

    OPTIONS 16 – LOW PRESSURE EXTERNAL PLUMBING This option applies to a PCS 400 with a full scale A Conoflow™ pressure regulator is shown attached range of 3 psig or lower. These low ranges require to the SUPPLY port. Apply 20 to 30 psig source pressure to the end of this device that has “IN”...
  • Page 93 OPTIONS PCS 400 PCS 400 PNEUMATIC MODULE SUPPLY 20-30 psig Conoflow Source FILTER Regulator Pressure 1/3 PSI CHECK VALVE FILTER VENT COARSE SUPPLY SOLENOID VENT MEASURE/ SOLENOID SOURCE OUTPUT CONTROL CONTROL SHUTOFF SHUTOFF SOLENOID SOLENOID OUTPUT REGULATOR FILTER ASSEMBLY SECONDARY...

  • Page 94: Appendix

    PCS 400 APPENDIX APPENDIX MEASUREMENT UNITS The unitno command selects the measurement units to be output on the bus and the display. Table 9.1 – Measurement Units (unitno) Unit No. Description Output Format pounds per square inch inches of mercury @ 0°C INHG @ 0C inches of mercury @ 60°F...

  • Page 95: Conversion Factors, Psi (Table 9.2)

    APPENDIX PCS 400 CONVERSION FACTORS, PSI The values listed in the column To convert from PSI are the values imbedded in the instrument program. The values listed under To convert to PSI are internally calculated approximations based on the imbedded values.

  • Page 96: Table 9.3 - Conversion Factors, Pascal

    PCS 400 APPENDIX CONVERSION FACTORS, PASCAL The following table lists factors which should be used as multipliers when converting other pressure units to or from Pascal. Table 9.3 – Conversion Factors, Pascal Unit No. Pressure Unit To Convert from Pascal To Convert to Pascal 1.450377E-04...

  • Page 97: Temperature Conversion (Table 9.4)

    APPENDIX PCS 400 TEMPERATURE CONVERSION Table 9.4 – Temperature Conversion Chart ° Find the known value in a center (shaded) column. If the known value is in C, then the equivalent ° ° value is found in the F column, or if the known value is in F then the conversion is found in the °C column.

  • Page 98: Solenoid Valve Truth Table (Table 9.5)

    PCS 400 APPENDIX SOLENOID VALVE TRUTH TABLE Table 9.5 – Solenoid Valve Truth Table Valve Coarse Coarse Output Control 2nd Xdcr Mode Supply Exhaust Shutoff Vent Shutoff Shutoff POWER OFF – – – – – – STANDBY – – –...

  • Page 99: Head Pressure Correction

    APPENDIX PCS 400 HEAD PRESSURE CORRECTION The accuracy of pressure measurement depends on several factors, one of which is the consideration of the head pressure in the system. The pressure medium, whether a gas or liquid, can cause an error in the measurement if not considered. In some cases the offset may be insignificant, and it may be ignored.

  • Page 100: Head Pressure Calculation (Figure 9.1)

    PCS 400 APPENDIX Head Pressure Calculation The pressure at the input port (P in figure 9.1) of the Device Under Test (DUT) will be a positive number if the standard is positioned higher than the DUT. If the standard is lower than the DUT the head pressure correction will be a negative value.

  • Page 101: Sample Program

    ‘ This is a sample program in Microsoft QuickBasic which demonstrates ‘ some of the functions of the PCS 400 IEEE commands. The PCS 400 should ‘ be set to address 3. This program uses the National Instruments GPIB drivers ‘**************************************************************************************...
  • Page 102 PCS 400 APPENDIX ‘ THIS SECTION WAITS FOR THE STABLE ‘ SIGN BEFORE CONTINUING CALL IBWRT(BRD3%, “_PCS4 STAT?” + CHR$(10)) RD$ = SPACE$(33) CALL IBRD(BRD3%, RD$) LOOP UNTIL MID$(RD$, 7, 1) = “S” ‘ READS PCS400 AND PRINTS THE MEASURED ‘...

  • Page 103: Common Remote Commands Quick Reference (Table 9.8)

    CTRLMAX value - max ctrl press FILTERWINDOW? - ‘sp window crlf’ CTRLMIN value - min ctrl press ID? - ‘MENSOR, PCS-400, snsnsn, x.xx crlf’ LIST? - ‘sp 0,1,2 crlf’ or ‘sp 0,2 crlf’ CTRL value - ctrl pressure OUTFORM? - ‘sp digits crlf’...
  • Page 104 1PSI RELIEF VALVE NOTES: 1. All Solenoid Valves are 2-way, normally closed (N.C.). 2. Pneumatics shown with Gauge Pressure Transducer. 3. Multi-range (optional) schematics are included in the Appendix. Figure 9.2 - Pneumatic Schematic - Standard PCS 400 www.mensor.com 9-11...
  • Page 105 NO CONNECTION TO REFERENCE PORT IF TRANSDUCERS ARE ABSOLUTE PRIMARY SECONDARY XDUCER XDUCER (GAUGE) (GAUGE) EXHAUST 1PSI (STANDARD) (OPTIONAL) RELIEF VALVE NOTE: ALL SOLENOID VALVES ARE 2-WAY NORMALLY CLOSED (N.C.). Figure 9.3 - Pneumatic Schematic Dual Range PCS 400 9-12 www.mensor.com...
  • Page 106 PCS 400 APPENDIX SUPPLY FILTER 1/3 PSI CHECK VALVE FILTER VENT COARSE SUPPLY SOLENOID VENT SOLENOID SOURCE MEASURE/ OUTPUT CONTROL CONTROL SHUTOFF SHUTOFF SOLENOID SOLENOID OUTPUT REGULATOR FILTER ASSEMBLY SECONDARY EXHAUST XDCR SHUTOFF XDUCER SOLENOID ALTERNATE XDCR RELIEF VALVE COARSE...
  • Page 107 APPENDIX PCS 400 SUPPLY FILTER 1/3 PSI CHECK VALVE VENT FILTER COARSE SUPPLY SOLENOID VENT SOLENOID SOURCE MEASURE/ OUTPUT CONTROL CONTROL SHUTOFF SHUTOFF SOLENOID SOLENOID OUTPUT REGULATOR FILTER ASSEMBLY SECONDARY EXHAUST XDCR SHUTOFF XDUCER SOLENOID SECONDARY XDCR RELIEF VALVE COARSE...
  • Page 108 PCS 400 APPENDIX SUPPLY FILTER 1/3 PSI CHECK VALVE N.C. FILTER VENT COARSE SUPPLY SOLENOID VENT SOURCE N.C. MEASURE/ SOLENOID OUTPUT CONTROL CONTROL SHUTOFF SHUTOFF SOLENOID SOLENOID OUTPUT REGULATOR FILTER ASSEMBLY N.C. N.C. EXHAUST XDUCER N.C. XDCR ALTERNATE XDCR SELECTOR...

  • Page 109: Pcs 400 Sequence Program Script

    ® PCS 400 SEQUENCE PROGRAM SCRIPT Sh___ of ___ Sequence # ____ Title: Purpose: Date: SETPOINT HOLD STEP *MODE LOOP COMMENTS (Cont only) S-M-C-V-L (Sec) * S-M-C-V or L is Standby, Measure, Control, Vent or Loop. Loop can be last step only; not allowed for step 1.

  • Page 110: Index

    Active Transducer ... . 3-8, 3-10, 6-1 Command Set, PCS 400 ....4-2 Adapters, Fitting ... . . 1-1, 2-1, 7-2 Commands .
  • Page 111 Engineering Units (see “Units”) Command Set, PCS 400 ....4-2 EOI (End or Identify) ... . .
  • Page 112 Media, Pressure ....7-3 Please Notice, Important Note ... . iii Meet your Model PCS 400 ....1-1 Plumbing .
  • Page 113 Program Sample, IEEE ....9-8 Mensor Service Plus ....1-6 PSI, Conversion Factors .
  • Page 114 ....2-2, 3-1, 7-2 Tree, PCS 400 Menu ....3-1, 3-17 Warnings and Cautions .
  • Page 115 INDEX PCS 400 User's Notes: 10-6 www.mensor.com...
  • Page 117 ® MENSOR ® CORPORATION 201 BARNES DRIVE SAN MARCOS, TEXAS 78666-5994 Phone: 512.396.4200 Fax: 512.396.1820 Web site: www.mensor.com E-mail: sales@mensor.com Operation Manual PN 0014141001 T1 August, 2007...
  • Page 118 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...

Table of Contents

Save PDF