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Fieldbus Valve Coupler FD0-VC-Ex4.FF

Parameterisation and operation of the valve coupler

Subject to reasonable modifications due to technical advances.

Copyright Fuchs, Printed in Germany

Fuchs Group • Tel.: G49 621 776-0 • USA +1 330 4253555 • Sin65 67799091 • Internet http://www.pepperl-fuchs.com

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Parameterisation and operation of the valve coupler

6.1

Introduction

The valve function blockcoupler FD0-VC-Ex4.FF includes, as any other F

OUNDATION

fieldbus device, a re-

source block and several transducer blocks and function blocks. Figure 6.1 shows the blocks contained in
the valve coupler.

Figure 6.1: Block diagram of valve coupler

In addition to the "communication stack" which organises the data exchange between the fieldbus and the
application, and a resource block which describes the characteristics of the whole device, there are one DO
function block and a transducer block each per channel.

The four DO function blocks correspond to the specification of Fieldbus Foundation and can be used indi-
vidually to establish a F

OUNDATION

fieldbus application. A reference value is specified here for the valve po-

sition and the current valve position is fed back. The reference value for the valve position is transferred to
one of the transducer blocks which then control the valve and read back the current position via the PFCs.
In addition, several diagnosis and monitoring functions for the valve can be activated in the transducer
blocks.

This chapter is focused on the commissioning of the transducer blocks and their interaction with the function
blocks and the resource block.

Representation and commissioning of the function blocks and resource block are specific to the control sys-
tem and documented there in detail. The annex includes a list and explanation of all parameters of the three
types of block.

Function blocks

DO

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900

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DO

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950

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ms

DO

fu

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blo

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3

100

0,

40 ms

DO

fu

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blo

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4

105

0,

40 ms

Transducer blocks

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5

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Communication

stack

Physical

Resource

400

block

layer

I / O

FF-H1

DI function block,

1100, 40

ms

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Содержание FD0-VC-Ex4.FF

Страница 1: ...Manual FD0 VC Ex4 FF PROCESS AUTOMATION Valve Coupler for FoundationTM Fieldbus FOUNDATION ...

Страница 2: ...by the Zentralverband Elektrotechnik und Elektroindustrie ZVEI e V in its most recent edition as well as the supplementary proviso Extended property proviso are applicable We at Pepperl Fuchs feel obligated to contribute to the future this publication is therefore printed on paper bleached without the use of chlorine ...

Страница 3: ...k contacts which can be connected 13 4 2 4 Description of 2 1 procedure 13 4 3 Accessories 14 5 INSTALLATION 17 5 1 Storage and transportation 17 5 2 Unpacking 17 5 3 Mounting 17 5 4 Electrical connection 19 5 4 1 General notes for connection 19 5 4 2 Connection of fieldbus and DIP switch settings 20 5 4 3 Connection of auxiliary valves and final position feedback contacts 21 5 4 4 EMC screening g...

Страница 4: ...6 5 8 Stroke counter 35 6 5 9 Lead breakage and lead short circuit monitoring 35 6 5 10 Valve and drive information 36 6 6 Process information 36 6 6 1 Valve reference value 36 6 6 2 Valve position 36 6 6 3 Breakaway and transit times 37 6 7 Diagnosis messages and alarms 37 7 ERROR DETECTION AND PROBLEM SOLUTIONS 39 7 1 LEDs 39 7 2 Resource block 39 7 3 Transducer block 40 7 4 Function block DO 43...

Страница 5: ...ww pepperl fuchs com Part Nr 108226 Ausgabedatum 27 03 2006 1 Symbols used in this manual This symbol warns of danger If the instruction given in this warning is not heeded the result could be the injury or death of personnel and or the severe damage or destruction of equipment This symbol warns of a possible failure Failure to heed this warning may result in a complete failure of the device or th...

Страница 6: ...pperl Fuchs GmbH 68301 Mannheim Telefon 49 621 776 2222 Telefax 49 621 776 272222 Internet http www pepperl fuchs com Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part Nr 108226 Ausgabedatum 27 03 2006 ...

Страница 7: ...valve control system and diagnosis functions specific for Pep perl Fuchs The representation of the function blocks and the resource block are specific for the control system and documented within the area of the control system A table of the functions of the DO function blocks the DI function block and the resource blocks is found in appendices B and C FOUNDATION is a trademark TM of Fieldbus Foun...

Страница 8: ...t to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 108227 Date of issue 27 03 2006 ...

Страница 9: ...s can be established corresponding to the FISCO or the Entity model When connected corresponding to the Entity model the device meets the FOUNDATION fieldbus Physical Layer Profile Identification type no 111 The valve coupler is used to operate intrinsically safe low power auxiliary valves and their final position feed back contacts sensors or mechanical switches within hazardous areas e g in the ...

Страница 10: ...k carried out on with the device must only be undertaken by qualified specialist personnel duly authorised by the operator who have read and understood this manual When using intrinsically safe devices in accordance with EN 50020 follow the EC Type Exami nation Certificate and the national regulations for installations In addition follow all applicable standards directives and factory regulations ...

Страница 11: ...s a field device for FOUNDATION fieldbus according to IEC 61158 and is used to operate a maximum of four intrinsically safe low power auxiliary valves and a maximum of eight final position feedback contacts PFCs NAMUR sensors or other mechanical contacts within areas subject to explosion hazards or areas which are not subject to explosion hazards at the H1 fieldbus An auxiliary valve is used as a ...

Страница 12: ...r can record automati cally the lead breakages or short circuits carry out position dependent functional tests cyclic function test section 6 5 7 and count the setting operations of the valve Commissioning is done in two steps In the first step a configuration wizard aids during commissioning After demanding the type of drive used self opening or self closing the kind of final position feedback co...

Страница 13: ...e or be provided with a polarised diode see section 4 2 4 4 2 4 Description of 2 1 procedure The 2 1 procedure allows to transfer two independent binary signals to a pair of cores without bus system To do so the two sensors or mechanical contacts are triggered and evaluated in time multiplex mode anti parallel see figure 4 2 A prerequisite of this procedure is that the sensors mechanical contacts ...

Страница 14: ...s which have also an integrated polarised diode is given in the following list For other suitable sensors please refer to the data sheet If sensors shall be used which are not listed in the data sheet please contact Pepperl Fuchs to clarify whether these can be used together with the valve coupler NCB1 5 6 5M25 N0 V1 NJ 0 8 5GM N NCB1 5 8GM25 N0 V1 NJ 1 5 6 5 N NCB2 12GM35 N0 V1 NJ1 5 8GM N V1 NCB...

Страница 15: ...pperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 108227 Date of issue 27 03 2006 Socket wrench SW19 for cable glands PG9 Available from Hugro Armaturen GmbH Rudolf Blessing Str 5 D 79183 Waldkirch Germany Hugro ref no 784 19 ...

Страница 16: ...bject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 108227 Date of issue 27 03 2006 ...

Страница 17: ...er 6 mm for the through bores in the housing see figure 5 1 The place of installation should be well accessible for mounting electrical installation and cable routing the six device LEDs should be visible for quick fault diagnosis setting of simulation and hardware write protection switches The r h through bore for mounting the device is provided with a grounding plate at the side of the screw hea...

Страница 18: ...perl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 108227 Date of issue 27 03 2006 Mechanical dimensions Figure 5 1 Mechanical dimensions of valve coupler FD0 VC Ex4 FF 187 173 11 5 46 64 4 7 4 6 5 129 150 4 x PG9 1 x PG11 ...

Страница 19: ...ns and electrical connections must be carried out by appropriately trained specialists only If the valve coupler is connected with an activated live bus segment make sure that the bus cables are not short circuited so that the function of other bus stations is not affected To keep the protection degree IP65 of the housing make sure when doing connection work that for the connection round cables on...

Страница 20: ...ion and designation of the connector terminals for bus connection Terminal assignment DIP switch settings Switch 1 Simulation ON OFF With activated simulation simulation setting ON the valve position transferred from the transducer block to the function block can be set by the control system independent from the actual valve position Switch 2 Hardware write protection ON OFF Parameterisation of th...

Страница 21: ...ossible connections are shown in figure 5 5 terminals 3 and 4 are given as examples Terminal Signal Explanation 1 Valve 1 Output trigger signal for valve 1 2 Valve 1 3 PFC 1A PFC 1B 2 inputs signals of 2 PFCs from valve 1 transfer by 2 1 procedure 4 PFC 1A PFC 1B 5 Valve 2 Output trigger signal for valve 2 6 Valve 2 7 PFC 2A PFC 2B 2 inputs signals of 2 PFCs from valve 2 transfer by 2 1 procedure ...

Страница 22: ...ntling the device keep it in the original packaging for future use To use mechanical contacts as valve final position feedbacks use a Field Terminal Block from Pepperl Fuchs or two polarised diodes to be able to make use of the 2 1 procedure If mechanical contacts are used as valve final position feedbacks also the lead breakage and short circuit monitoring system can be used after adding an addit...

Страница 23: ...Fieldbus Foundation and can be used indi vidually to establish a FOUNDATION fieldbus application A reference value is specified here for the valve po sition and the current valve position is fed back The reference value for the valve position is transferred to one of the transducer blocks which then control the valve and read back the current position via the PFCs In addition several diagnosis and...

Страница 24: ...rom 0 to 255 The value 0 means valve closed values unequal to zero mean valve open Such a specified reference value is contrary to many conventional de vices where the number 0 means valve current OFF and 1 means valve current ON The reference value is taken over by the transducer block only if the status is good C or Good NC However if the status is uncertain or bad the auxiliary valve is not con...

Страница 25: ...ucer blocks 1 to 4 which can be used to read out the PFC sensor values of the channels 1 to 4 These values are then assigned to the respective bits of the parameter value FIELD_VAL_D according to the following table Bit Description 0 PFC sensor value A of channel 1 1 PFC sensor value B of channel 1 2 PFC sensor value A of channel 2 3 PFC sensor value B of channel 2 4 PFC sensor value A of channel ...

Страница 26: ... lead breakage or short circuit of the sensor wires are no longer signaled using the status The status will be always Good Only hardware failures of the VC device will be shown as a status of Bad Device Failure Using the parameter PV_FTIME you can determine for how long in seconds the PFC sensor values have to be stable before they are passed on from the parameter FIELD_VSL_D to the parameter PV_D...

Страница 27: ...C Ex4 FF the associated device description DD must be inclu ded in the engineering tool used Unless integration has been made by the manufacturer of the control sys tem you will find the necessary files on the enclosed data carrier and in Internet under www pepperl fuchs com How to import the device description into the control system is described in the operating manual of the lat ter In general ...

Страница 28: ...n be modified in the second step of parameterisation only in Out of Service OOS mode During the second step of parameterisation the valve position information transferred to the function block can be adapted to the requirements PV_D generation section 6 5 4 and the following diagnosis options can be activated Lead interruption and or short circuit monitoring for the valve lead section 6 5 9 Lead i...

Страница 29: ...issioning Read manual Setup wizard Manual configuration Start setup wizard Enter the drive design Actuator Fail Action section 6 5 3 Step 1 Enter drive design Parameterisation of final positions feedback section 6 5 4 As an option switch on Time Monitoring Select target mode Start initialisation run Attention Follow safety indication Select target mode PV_D generation section 6 5 4 Step 2 Monitori...

Страница 30: ...liary valve must be controlled electrically for starting a set position set by the function block If a double acting drive shall be controlled this must be done via two channels and thus via two DO function blocks and two transducer blocks 6 5 4 Final position feedback The response of the final position feedback is influenced via two parameters Sensor usage describes whether a final position feedb...

Страница 31: ...on the construction of the posi tion feedback and the electrical characteristics of the PFCs A general representation is thus not possible Each of the four options corresponds to one set of combinations of the two PFC signals and the valve po sitions open intermediate and closed The following four tables show which valve position which com bination of the signals of PFC A and PFC B are assigned fo...

Страница 32: ... transferred from the transducer block to the function block is given in the parameter READBACK_D From there it is transferred to the Parameter PV_D which via BKCAL_OUT_D can be transferred to a control system in cycles or used in a function block application If an inversion is active in the function block the numerical value 0 becomes 1 and all numerical values unequal to zero become 0 I e all va...

Страница 33: ...sed The Auto mode is provided for operation The transducer block operates in this mode as specified by pa rameterisation Man is used by the setup wizard and must not be modified 6 5 6 Time monitoring With the Time Monitoring activated the breakaway and transit times of the connected valve are measured and compared with the reference values during each reference value modification of the valve posi...

Страница 34: ...ich might prevent the latter from functioning properly Here the valve coupler controls the valve contrary to the current control until breakaway of the valve is recognised and then controls the valve back into the initial position The measured breakaway time is displayed as the breakaway time measured last and falling be low or exceeding the admissible range of values is signalled as an alarm Depe...

Страница 35: ...s to a stroke This parameter can be initialised with a start value The current count remains unaffected even after a volt age failure Stroke Counter Limit A count can be entered as the limit value for the counter function If the count of the stroke counter exceeds the entered Stroke Counter Limit the alarm Maintenance Needed Now is generated No alarm is given if the Stroke Counter Limit is zero Th...

Страница 36: ... position and the associated status are shown in the Final Value param eter reference value The Final Value is a copy of the OUT_D value of the DO function block connected with the transducer block This reference value can assume the values closed 0 or open unequal to 0 The value is accepted only with a status Good NonCascade or Good Cascade If the status is Bad or Uncertain the connected auxiliar...

Страница 37: ...ce value 6 6 3 Breakaway and transit times With the Time Monitoring activated the breakaway and transit times are measured during each opening and closing process of the valve and displayed in the parameters shown below These values are not stored in the device i e after a power loss these values will not be available until after the valve has been opened and closed once If during time measuring i...

Страница 38: ...lock recognises a fault a message is set in parameter BLOCK_ERR of the connected DO function block Normally this parameter is read out and evaluated in cycles by control sys tems which do not support alarm messages via FOUNDATION fieldbus If the fault is related to the valve con trol e g lead breakage of valve feeding lead or exceeding the admitted valve transit time the message Output Failure is ...

Страница 39: ...TION fieldbus Permanently green Power supply available device is ready to operate COM ERR OFF No communication errors Flashing red No bus activity or bus error Check wiring Check LAS Permanently red Hardware error Send device to manufacturer IN OUT CHK Channel 1 4 OFF No errors detected Flashing red Lead breakage or short cir cuit of PFC or valve lead Inform about exact error in device re fer to d...

Страница 40: ...il Action by entering the drive mode self closing or self opening see section 6 5 3 Time monitoring or Stroke Counter are ON and Sensor Usage is at No Position Detection or Use Sensor Values for PV_D Set or automatically deter mine Sensor Usage according to section 6 5 4 to one of the options A D Time monitoring is ON and one of the refer ence values for time monitoring is at 0 Enter reference val...

Страница 41: ...o short C O or O C The measured time was shorter than the refer ence value minus the admissible allowance Check auxiliary power Check reference times and allowances Check PFCs for proper functioning Check friction of valve Valve error Valve blocked The valve is signalled blocked if a time t 5 breakaway time transit time elapsed since the issue of the new reference value Check reference times Check...

Страница 42: ...ne the affected sen sor in the device from the Sensor Lead Fault parame ter See lead error sen sor Bad Sensor Failure Position detection fail ure the signal combi nation of the PFCs is not assigned to a valve position Check parameterisation of Sensor Usage Check PFCs for proper functioning See diagnosis mes sages and section 6 5 4 Bad Non Specific This value is not used due to the current paramete...

Страница 43: ...n 7 3 Simulate Simulation for this block is acti vated See section 5 4 2 and appendix B Local Override The reference value has been overwritten by the safety value via the bus due to as missing reference value specification Check communication Check device which specifies the reference value Out of Service The block is in Out of Service mode Select suitable target mode Check block configuration er...

Страница 44: ... 5 4 2 and appendix B Out of Service The block is in Out of Service mode Select suitable target mo de Check Block Configuration Error Problem Cause Elimination Cross reference The function block does not leave the Out of Service mode There is a block configura tion error which is signalled in BLOCK_ERR See Diagnosis messages See Diagno sis messages The resource block is in Out of Service mode Set ...

Страница 45: ... mode See also section 6 5 5 Message Cause Elimination Error before start Valve is actuating Start initialisation run again as soon as the valve has reached the set position Lead breakage or short cir cuit at valve or sensor Check wiring of sensors and valve Valve is not in final posi tion Check PFCs Check auxiliary power Check drive Resource block is in Out of Service mode Set resource block into...

Страница 46: ...ons 46 Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 108227 Date of issue 27 03 2006 ...

Страница 47: ...CK_ERR Displays diagnosis messages of the block UPDATE_EVT This parameter is used to signal to the control system that a parameter marked by S was overwritten if the control system supports alarm messages BLOCK_ALM This parameter is used to signal to the control system diagnosis mes sages displayed in BLOCK_ERR and XD_ERROR if the control sys tem supports alarm messages Transducer Directory TRANSD...

Страница 48: ...e final position feedback are evaluated this parame ter determines how to further process the evaluated PFC signals prior to transferring them to the function block Sensor Lead Fault Monitor ing SENSOR_LEAD_ FAULT_MONITORING W S In this parameter the lead breakage and or lead short circuit monitor ing can be activated for the PFC wiring Sensor Lead Fault SENSOR_LEAD_ FAULT Lead breakage and lead s...

Страница 49: ...he breakaway time from closed to open measured last this value is not stored in the device i e this value is available after a power fail ure only after opening and closing the valve once Transit Time Close Open TRANSIT_TIME_ CLOSE_OPEN The transit time from closed to open measured last this value is not stored in the device i e this value is available after a power failure only after opening and ...

Страница 50: ... be used to identify comprising blocks These data are not controlled or used by the block ALERT_KEY W S Identification number of the plant unit This information can be used by the control computer e g to sort alarms Valid values are 1 65536 MODE_BLK W S Displays the current allowed normal mode and the target mode of the block The target mode can be set to the values Auto Cas RCas Man or Out of Ser...

Страница 51: ...n block does not signal by an own alarm if the status of PV_D becomes bad but transfers the status incl substatus via BKCAL_OUT_D READBACK_D This parameter gives the current valve position which is fed back by the trans ducer block CAS_IN_D Via this parameter the reference value is specified by another function block or a control system in the Cas mode CHANNEL W S OOS The channel number of a trans...

Страница 52: ... allowed normal mode and the destination mode of the block The destination mode can be set to the values Auto Man or Out of Service BLOCK_ERR Displays diagnosis messages of the block PV_D Contains the current PFC sensor values which are measured by the transdu cer blocks an are transmitted to the function block This parameter is taken from FIELD_VAL_D OUT_D W Man Output Transmission of current PFC...

Страница 53: ...FIELD_VAL_D Contains the currrent PFC sensor values which are measured by the trans ducer blocks and are transmitted to the function block UPDATE_EVT This parameter is used to signal to the control system that a parameter marked by S was overwritten if the control system supports alarm mes sages BLOCK_ALM This parameter is used to signal diagnosis messages which are displayed in BLOCK_ERR to the c...

Страница 54: ...isplays the current allowed normal mode and the target mode of the block The target mode can be set to the values Auto or Out of Service BLOCK_ERR Displays diagnosis messages of the block RS_STATE Current status of device TEST_RW Test parameter Is used to test the device DD_RESOURCE FF standard parameter Not used MANUFAC_ID Identification number of the device manufacturer is used by the control sy...

Страница 55: ...e global safety status MAX_NOTIFY Maximum number of not acknowledged alarm messages which can be man aged by the device LIM_NOTIFY W S Maximum number of not acknowledged alarm messages which are admitted CONFIRM_TIME W S Period of time during which an alarm is repeated unless acknowledged WRITE_LOCK Indicates the position of the read only switch UPDATE_EVT This parameter is used to signal to the c...

Страница 56: ...the Fieldbus Foundation FF is a bus system which networks the FF compatible automation systems and field devices in the cell and field level FOUNDATION is a trademark TM of the Fieldbus Foundation PFC Final Position feedback contact This can be a mechanical switch or a NAMUR sensor Segment A segment or bus segment is a closed part of a serial bus system The bus line between two termination resisto...

Страница 57: ... to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part Nr 108226 Ausgabedatum 27 03 2006 ...

Страница 58: ... to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part Nr 108226 Ausgabedatum 27 03 2006 ...

Страница 59: ...by the Zentralverband Elektrotechnik und Elektroindustrie ZVEI e V in its most recent edition as well as the supplementary proviso Extended property proviso are applicable We at Pepperl Fuchs feel obligated to contribute to the future this publication is therefore printed on paper bleached without the use of chlorine ...

Страница 60: ...1 330 4253555 Fax 1 330 4 25 93 85 e mail sales us pepperl fuchs com Asia Pacific Headquarters Pepperl Fuchs Pte Ltd P F Building 18 Ayer Rajah Crescent Singapore 139942 Tel 65 67799091 Fax 65 68731637 e mail sales sg pepperl fuchs com www pepperl fuchs com SIGNALS FOR THE WORLD OF AUTOMATION Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany P...

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