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Festo CMSH Manual

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CMSH
Positioner
Manual | DTM
8175982
2022-08
[8175984]

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Summary of Contents for Festo CMSH

  • Page 1 CMSH Positioner Manual | DTM 8175982 2022-08 [8175984]...
  • Page 2 Translation of the original instructions , FDT , FDT Group , HART , PACTware are registered trademarks of the respective trademark ® ® ® ® ® owners in certain countries.

  • Page 3: Table Of Contents

    CMSH DTM and FDT frame application ........
  • Page 4 ‘Festo support’ menu ........

  • Page 5: Cmsh Dtm And Fdt Frame Application

    Getting to know CMSH DTM 1.2.1 Functions A DTM is available for the positioner CMSH with HART communication. The functions may be displayed differently in different FDT frame applications. The DTM includes the following functions: – Offline and online configuration of the device –...
  • Page 6 CMSH DTM and FDT frame application Fig. 1: Interface Navigation area Action area Identification area Status area Application area Application and action area All device parameters are displayed in the application area. Some device parameters can be changed. If a device parameter has been changed, a symbol è Tab. 1 Icons in the application area after changing a parameter appears next to the selection field or the input field.

  • Page 7: Functions Of The Fdt Frame Application

    CMSH DTM and FDT frame application Button Function All changes to the DTM environment are applied. The entire DTM environment is restored. The last saved parameter values are displayed and the pencil icon disappears from the applica- tion area. The entire DTM is closed.

  • Page 8: Setting Up Cmsh Dtm

    Setting up CMSH DTM Installing CMSH DTM Requirement: a FDT frame application must be installed. 1. Download the latest DTM installation package from the support portal è www.festo.com/sp. 2. Close all running programs. 3. Run the installer and follow the installation instructions.

  • Page 9: Open Online Mode

    Online mode of the CMSH DTM Alternative: select the ‘Device data’ menu in the menu bar. The menu items show the functions of the FDT frame application. Open Online mode The process is described based on the FDT frame application PACTware 4.1. The process may vary depending on the FDT frame application.
  • Page 10 Online mode of the CMSH DTM The following information is displayed in the ‘Dashboard’ menu: – States and information about the status of the device – Process variables for operation – Operating conditions Fig. 2: ‘Dashboard’ menu Analogue input display...
  • Page 11 Online mode of the CMSH DTM Indication of the tight closure status Device status display in accordance with NAMUR recommendation NE 107 If there are no active messages, the ‘Good’ device status is displayed. If there are several messages, the status of the message with the highest priority is displayed here.

  • Page 12: Identifikation' Menu

    This parameter shows the name of the series. Device description This parameter shows the assignment of the device to a device group. Type code This parameter shows the structured order reference of Festo products. Manufacturer This parameter shows the name of the manufacturer. Product key This parameter shows the Festo Product Key that uniquely identifies the product.

  • Page 13: Hart' Area

    Online mode of the CMSH DTM Parameter Description Hardware version This parameter shows the current version status of the hardware. The identification corresponds to the NAMUR recommendation NE 53. Software version This parameter shows the current version status of the software. The identification corresponds to the NAMUR recommendation NE 53.

  • Page 14: Operation Unit

    Online mode of the CMSH DTM 4.2.3 ‘Operation unit’ Information about the operator unit is displayed in this area. The content can only be entered and changed via the DTM. Fig. 5: ‘Operation unit’ Parameter Description This parameter shows an application-related device identifier.
  • Page 15 Online mode of the CMSH DTM Fig. 6: ‘Guided setup’ menu ‘Device language’ parameter The ‘Device language’ parameter defines the display language of the device. Value Description English Factory setting German — Tab. 11: ‘Device language’ parameter ‘Actuator type’ parameter The ‘Actuator type’...
  • Page 16 Fig. 7: Display of the pressurisation status for the setpoint position ‘Extension modules’ parameter The ‘Extension modules’ parameter defines the installed extension modules. If the user activates a connected extension module from Festo, the control response of the positioner is optimised. Value Description...

  • Page 17: Tight Close' Area

    Online mode of the CMSH DTM Value Description robust Factory setting: the positioner approaches the setpoint position slowly and accurately. fast The positioner approaches the setpoint position quickly. It may over- shoot. user defined The positioner regulates according to parameters specified by the user.

  • Page 18: Automatic Initialization' Area

    Online mode of the CMSH DTM Actual position [%] Target position [%] Lower value Lower value Fig. 9: Tight closing ‘Tight close lower value’ parameter The ‘Tight close lower value’ defines the lower value of the tight closing. If the setpoint position falls below this value, the valve is moved to the lower end position with maximum drive force.

  • Page 19: Settings' Menu

    Online mode of the CMSH DTM Fig. 10: ‘Automatic initialization’ area Initialisation process The positioner is not initialised in delivery status. The initialisation process is triggered with the ‘Start initialization’ button. The progress of the initiali- sation is shown on the display during the initialisation process in the ‘State’ field. During this time, the initialisation process can be aborted with the ‘Stop initialization’...
  • Page 20 Online mode of the CMSH DTM Value Description rising Factory setting: the setpoint position is increased with a rising setpoint value. falling The setpoint position is increased with a falling setpoint value. Tab. 19: ‘Setpoint direction’ parameter Target position [%]...
  • Page 21 Online mode of the CMSH DTM Target position [%] Setpoint [%] 4 ... 20 mA Fig. 13: Characteristic curve type 4.4.1.2 ‘Tight close’ area Tight closing can be activated and configured in this area. During tight closing, the valve moves into the seat with the maximum actuating force of the actuator.
  • Page 22 Online mode of the CMSH DTM Actual position [%] Target position [%] Lower value Lower value Fig. 15: Tight closing ‘Tight close lower value’ parameter The ‘Tight close lower value’ defines the lower value of the tight closing. If the setpoint position falls below this value, the valve is moved to the lower end position with maximum drive force.
  • Page 23 Online mode of the CMSH DTM Fig. 16: ‘Stroke limitation’ area ‘Stroke limitation mode’ parameter The ‘Stroke limitation mode’ parameter defines whether and at which end positions the working range of the positioner is restricted. Stroke limitation and tight closing cannot be active simultaneously at one end position.
  • Page 24 Online mode of the CMSH DTM ‘Stroke limitation lower value’ parameter The ‘Stroke limitation lower value’ parameter defines the lower value of the stroke limitation. This value must be at least 10.0% below the upper stroke limit. Value range Description 0.0 …...

  • Page 25: User Defined Setpoint Curve' Tab

    Online mode of the CMSH DTM Position feedback [%] rising falling Actual position [%] Fig. 19: Position feedback direction ‘Inversion of characteristic curve’ parameter The ‘Inversion of characteristic curve’ parameter enables correction of the setpoint characteristic to be undone for the position feedback, which was set by the ‘Characteristic curve type’ parameter è...
  • Page 26 Online mode of the CMSH DTM Fig. 20: ‘User defined setpoint curve’ tab Interpolation point with stand- Value range Description ardised setpoint value 0.0% 0.0 … 98.0% Factory setting: 0.0% 5.0% 0.1 … 98.1% Factory setting: 5.0% … 95.0% 1.9 … 99.9% Factory setting: 98.0%...

  • Page 27: Control' Menu

    Online mode of the CMSH DTM 4.4.3 ‘Control’ menu The parameters relevant for the control can be configured in the ‘Control’ menu. Fig. 22: ‘Control’ menu ‘Control mode’ parameter The ‘Control mode’ parameter defines the currently effective control mode. Festo — CMSH — 2022-08...
  • Page 28 Online mode of the CMSH DTM Value Description robust Factory setting: the positioner approaches the setpoint position slowly and accurately. fast The positioner approaches the setpoint position quickly. It may over- shoot. user defined The positioner regulates according to parameters specified by the user.
  • Page 29 Online mode of the CMSH DTM ‘Travel time mode’ parameter The ‘Travel time mode’ parameter defines the positioning behaviour of the positioner. This parameter can be used to activate manual extension of the positioning time for one or both directions of travel.

  • Page 30: Digital Inputs' Menu

    Online mode of the CMSH DTM Value Value range Description Ki positive 0 … 9999 This parameter defines the integral amplification gain of the PID con- troller for the positive direction of travel. Ki negative 0 … 9999 This parameter defines the integral amplification gain of the PID con- troller for the negative direction of travel.
  • Page 31 Online mode of the CMSH DTM ‘Function’ parameter The ‘Function’ parameter defines the behaviour of the positioner when digital input 1 has been activated. Value Description inactive Factory setting execute initialization Initialisation is being executed. hold last target position Last setpoint position before activation of digital input 1 is held.
  • Page 32 Online mode of the CMSH DTM Fig. 24: ‘Digital input 2’ area ‘Logic’ parameter The ‘Logic’ parameter defines the switching logic for activating the function of the digital input 2. Value Description active low ‘active low’ switching logic The set function is activated at a low level.

  • Page 33: Digital Outputs' Menu

    Online mode of the CMSH DTM ‘User defined target position’ parameter The ‘User defined target position’ parameter defines the setpoint position that is approached when the function at digital input 2 is set to ‘hold user defined target position’. Value range Description 0.0 …...
  • Page 34 Online mode of the CMSH DTM Fig. 26: ‘Digital output 1’ area ‘Logic’ parameter The ‘Logic’ parameter defines the switching logic of the function of digital output 1. Value Description active low ‘active low’ switching logic The low level is output at digital output 1 if the assigned function or the status to be acknowledged is active.
  • Page 35 Online mode of the CMSH DTM Value Description no automatic operation The deviation from automatic operation is returned. Deviation from automatic operation: manual operation, not initialised, active initialisation routine running Partial Stroke Test An active Partial Stroke Test is returned.
  • Page 36 Online mode of the CMSH DTM 4.4.5.2 ‘Digital output 2’ area This area is only available for certain product variants. The parameters that define the behaviour of digital output 2 can be configured in this area. Fig. 27: ‘Digital output 2’ area ‘Logic’...
  • Page 37 Online mode of the CMSH DTM Value Description upper value active Feedback is returned when the upper user-defined position limit value is reached. upper and lower value Feedback is returned when the upper or lower user-defined position active limit value is reached.

  • Page 38: Device' Menu

    Online mode of the CMSH DTM Option Value range Check function active, inactive Factory setting: inactive Failure active, inactive Factory setting: inactive Tab. 52: ‘Diagnostic state output’ options 4.4.6 ‘Device’ menu The device-related parameters can be configured in the ‘Device’ menu.
  • Page 39 Online mode of the CMSH DTM Value Description single-acting Factory setting for CMSH-...-S-..., value cannot be changed for this product variant. Factory setting for CMSH-...-SD-..., value can be changed for this product variant. double-acting Factory setting for CMSH-...-D-..., value cannot be changed for this product variant.
  • Page 40 A change to the parameter requires a renewed initialisation è 4.5 ‘Initialization’ menu. The ‘Extension modules’ parameter defines the installed extension modules. If the user activates a connected Festo extension module, the control behaviour of the positioner is then optimised. Value...
  • Page 41 Online mode of the CMSH DTM 4.4.6.2 ‘Display’ area Fig. 30: ‘Display’ area The parameters that define the properties of the display can be configured in this area. ‘Device language’ parameter The ‘Device language’ parameter defines the display language on the device.
  • Page 42 Online mode of the CMSH DTM Fig. 31: ‘Device lock’ area ‘Device lock’ parameter A device lock can be executed with the ‘Device lock’ parameter. Value Description unlock Device lock is cancelled. lock temporary The device is temporarily locked. Resetting the device or a power failure will unlock the device.

  • Page 43: Initialization' Menu

    Online mode of the CMSH DTM Value Description configuration locked This status is displayed when the ‘lock all’ value is set è Tab. 62 ‘Device lock’ parameter. locked by gateway This status is displayed when the device is locked by a gateway. The ‘locked by primary master’...

  • Page 44: Monitoring' Window

    Online mode of the CMSH DTM 4.6.1 ‘Monitoring’ window The current device status according to NAMUR recommendation NE 107 and active messages are displayed in the ‘Monitoring’ window. The device status corresponds to that of the highest priority message. Fig. 33: ‘Monitoring’ window 4.6.2...
  • Page 45 Online mode of the CMSH DTM 4.6.2.1 ‘Actuator’ area Diagnostic function Description Related messages Covered distance of Application-specific monitoring of Message ID: 0153 actuator the total travel counters, changes Factory setting: total drive travel in direction and the movements of...
  • Page 46 Online mode of the CMSH DTM 4.6.2.2 ‘Process’ area Diagnostic function Description Related messages Control deviation Monitoring of the deviation is acti- Message ID: 1034 vated with the ‘Control deviation’ Factory setting: threshold: deter- option. The function checks how mined during initialisation.
  • Page 47 Online mode of the CMSH DTM 4.6.2.3 ‘Operating conditions’ area Diagnostic function Description Related messages Supply pressure moni- The ‘Supply pressure monitoring’ Message ID: 919 toring option activates application-specific Factory setting: lower threshold: monitoring of the supply pressure. 1.4 bar...

  • Page 48: Actuator' Menu

    Online mode of the CMSH DTM 4.6.2.5 ‘Test functions’ area Diagnostic function Description Related message Partial Stroke Test The feasibility of partial stroke tests è 4.6.7.3 Messages about a PST is activated with ‘Partial Stroke Test’ abort option. A partial stroke test carries è...

  • Page 49: Armature' Area

    Online mode of the CMSH DTM Diagnostic purpose The counters for total travel, direction changes and motions for the drive are used for predictive maintenance of wear-prone components such as seals, stuffing boxes and diaphragms. The thresholds can be set according to the manufacturer's recommendation for maintenance intervals or according to the user's experience of the expected service life.
  • Page 50 Online mode of the CMSH DTM Fig. 36: ‘Armature’ area Diagnostic purpose The counters for the total travel, direction changes and movements for the process valve are used for predictive maintenance of wear-prone components such as seals, stuffing boxes and diaphragms. The thresholds can be set according to the manufacturer's recommendation for maintenance intervals or according to the user's experience of the expected service life.

  • Page 51: Control Deviation' Menu

    Online mode of the CMSH DTM 4.6.4.3 ‘Movements’ area The counter indicates the number of movements of the actual process valve position. 4.6.5 ‘Control deviation’ menu Monitoring of the deviation can be activated in the ‘Control deviation’ menu. This function checks how long the positioner needs to reach the target position after a setpoint value change and whether the adjustment state can be maintained.

  • Page 52: Histograms' Menu

    Online mode of the CMSH DTM Diagnostic Monitoring Mapping fac- Limit factory setting Limit range of function factory setting tory setting values Control devia- inactive Maintenance The user can decide which 0.1 … 6000 s tion required threshold should be effective for monitoring.

  • Page 53: Partial Stroke Test' Menu

    Online mode of the CMSH DTM Position histograms for different periods Position histograms are recorded and saved for different periods. Multiple periods of data collection can be selected and displayed in the chart for data comparison: – short term: the displayed period since the last update is 0 … 24 hours. The current duration of the short-term recording is displayed.
  • Page 54 Online mode of the CMSH DTM Fig. 39: ‘Activation’ area Value Description Factory setting Value range event triggered Start the PST via digital input, local active active display on the device or HART. time triggered Automatic activation of the PST after a...
  • Page 55 Online mode of the CMSH DTM Fig. 41: ‘Results’ area The values shown in the graphic are displayed if a Reference Partial Stroke Test has not yet been executed. Parameter Description Time since last PST This parameter shows the elapsed time since the last execution.
  • Page 56 Online mode of the CMSH DTM Fig. 42: ‘Configuration’ tab ‘Movement’ area The motion behaviour of the positioner can be configured during execution of the PST in the ‘Move- ment’ area. The motion behaviour includes target positions x1 and x2 and the waiting time T_wait.
  • Page 57 Online mode of the CMSH DTM The associated diagram clarifies the relationship between the actuating signal value and the actual position with 2 point control è Fig. 42. Parameter Description Factory setting Value range Mode This parameter indicates the type of...
  • Page 58 Online mode of the CMSH DTM Parameter Description Factory setting Value range Tolerance start This parameter specifies how far the 100% 0 … 100% position current actual position may be from (Tol_start) the target position x1 when the PST is called.
  • Page 59 Online mode of the CMSH DTM Parameter Description Factory setting Value range Tolerance This parameter shows the upper 0 … 8760 h threshold for the time at which a time- triggered execution can be postponed. If this threshold is exceeded, the ‘PST: test interval exceeded’...
  • Page 60 Online mode of the CMSH DTM Parameter Description Factory setting Value range Lower pressure This parameter indicates the threshold –10 bar –10 … +10 bar difference limit for the minimum pressure difference during the PST (p2 - p4). If this threshold is not reached, the current PST is aborted and the ‘PST...
  • Page 61 Online mode of the CMSH DTM Message Termination criterion NAMUR status Duration > Overall duration PST stopped: Too long duration com- 1086 pared to absolute upper limit limit Deviation > Tol_target PST stopped: out of valid position range 1087 at starting position x1 Deviation >...

  • Page 62: Positioner' Menu

    Online mode of the CMSH DTM 4.6.8 ‘Positioner’ menu The current values of the counters for the positioner are displayed in the ‘Positioner’ menu. The counters for the total distance, the total number of direction changes and the number of movements are displayed for the setpoint position and the actual position.

  • Page 63: Pressure Monitoring' Menu

    Online mode of the CMSH DTM Some deviations in the development of counter values can indicate wear mechanisms or suboptimal motion properties of the system: – Compressed air leakage: if the drive moves too much due to compressed air leakage while the setpoint position remains constant, the positioner will readjust to adjust the actual position to the setpoint position again.

  • Page 64: Temperature Monitoring' Menu

    The assignment to a NAMUR status is fixed in the system status messages and cannot be changed è 5 Messages in the CMSH DTM. Fig. 46: ‘Temperature monitoring’ menu...

  • Page 65: Service' Menu

    Online mode of the CMSH DTM Fig. 47: ‘Other diagnosis functions’ menu Diagnostic purpose The pending setpoint value is ignored with an active controller via the digital input. There may there- fore be a discrepancy between the external setpoint position specification and the actual position. The messages for monitoring the controller at the digital input show which position was requested via the digital input.

  • Page 66: Festo Support' Menu

    Online mode of the CMSH DTM Fig. 48: ‘Current device configuration’ window 4.7.2 ‘Festo support’ menu The ‘Festo support’ menu gives the user instructions for support for the series and the specific product variant. Fig. 49: ‘Festo support’ menu ‘Diagnosis’ menu ‘Device ...

  • Page 67: Messages In The Cmsh Dtm

    Messages in the CMSH DTM Messages in the CMSH DTM The messages are displayed in the following menus: – In the ‘Diagnosis’ menu in the ‘Monitoring’ window. – In the ‘Dashboard’ menu. A list of active alerts is opened when the device status display is clicked.

  • Page 68: Message Descriptions

    Messages in the CMSH DTM Message descriptions Message Possible cause Notes/remedy – Blocked drive – Service drive or process No movement detect- – Increased friction with able valve. drive or process valve – Increased friction of drive – Repeat initialisation.
  • Page 69 Messages in the CMSH DTM Message Possible cause Notes/remedy – Set threshold exceeded – Service drive and replace if Number of direction – Service life of the drive changes actuator necessary. – Optimise control parame- exceeded reached – Oscillating behaviour ters.
  • Page 70 Messages in the CMSH DTM Message Possible cause Notes/remedy – Increased friction with – Repeat initialisation. Initialization failed: Timeout control drive or process valve If the initialisation – Fluctuations in supply parameter repeatedly fails, con- pressure tact Festo Support – External potentiometer è...
  • Page 71 Messages in the CMSH DTM Message Possible cause Notes/remedy – Set threshold exceeded – Service the drive or 1034 Permanent control – Increased friction due to deviation process valve and replace wear on the drive or if necessary. – Adjust threshold and process valve –...
  • Page 72 Messages in the CMSH DTM Message Possible cause Notes/remedy – Positional drift due to – Check for compressed air 1087 PST stopped: out of valid position range compressed air leakage leakage. – Movement caused by – Check for external forces.
  • Page 73 Messages in the CMSH DTM Message Possible cause Notes/remedy – Increased friction with – Service the drive or 1096 PST: Movement or test duration too long drive or process valve process valve and replace – Low supply pressure if necessary.
  • Page 74 Messages in the CMSH DTM Message Possible cause Notes/remedy – Set threshold exceeded – Service the process valve 1184 Number of move- – Process valve service life ments armature and replace if necessary. – Optimise control parame- exceeded reached – Oscillating behaviour ters.
  • Page 75 Messages in the CMSH DTM Message Possible cause Notes/remedy – Drive outside the oper- – Check that the positioner 1302 Incorrect value: Potentiometer ating range of the potenti- is correctly mounted on ometer the drive. – With external potentiom- eter: check attachment position of the potentiom- eter.
  • Page 76 Messages in the CMSH DTM Message Possible cause Notes/remedy – Increased sensor noise – Repeat initialisation. 1320 Initialization failed: – Drive outside the oper- Position sensing If the initialisation ating range of the potenti- fails repeatedly, con- ometer tact Festo Support –...
  • Page 77 Messages in the CMSH DTM Message Possible cause Notes/remedy – Ongoing initialisation – Wait for completion of ini- 1556 Initialization running tialisation. – If necessary, cancel initiali- sation manually. – Active signal at the digital 1557 Digital input active: —...
  • Page 78 Copyright: Festo SE & Co. KG 73734 Esslingen Ruiter Straße 82 Deutschland Phone: +49 711 347-0 Internet: © 2022 all rights reserved to Festo SE & Co. KG www.festo.com...

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