Page 1
Bettis Q-Series
QC54 Control Module Foundation Fieldbus
Maintenance Manual
DOC.MM.BQ54.E Rev. 1
February 2018
Page 2
February 2018
Maintenance Manual
DOC.MM.BQ54.E Rev. 1
Contents
1 Before you start ....................................................................................................2
2 Trouble shooting QC54 Control module ................................................................3
2.1 Mechanical problems ..................................................................................................................... 3
2.2 Pneumatic problems ...................................................................................................................... 3
2.3 Electrical problems ........................................................................................................................ 4
3 Replacing pneumatic cartridge .............................................................................5
4 Replacing Foundation Fieldbus Cartridge and/or piëzo pilot vlave .........................6
1 Before you start
WARNING
Avoid personal injury or property damage from sudden release of process pressure or bursting of parts.
Before performing any maintenance procedures on the QC54 Control Module:
• Always wear protective clothing, gloves, and eye wear when performing any maintenance procedures to
avoid personal injury or property damage.
• Do not remove the actuator from the valve while the valve is still pressurized.
• Disconnect any operating lines providing air pressure, electric power, or a control signal to the actuator.
Be sure the actuator cannot suddenly open or close the valve.
• Use bypass valves or completely shut off the process to isolate the control valve from process pressure.
Relieve process pressure from both sides of the valve.
• Use lock-out procedures to be sure that the above measures stay in effect while you work on the
equipment.
• Check with your process or safety engineer for any additional measures that must be taken to protect
against process media.
• Vent the pneumatic actuator loading pressure and relieve any actuator spring pre-compression so the
actuator is not applying force to the valve stem; this will allow for the safe removal of the stem connector.
• Donotremoveorreplacewhilecircuitislivewhenaammableorcombustibleatmosphereispresent.
• Substitution of electronics cartridge, switch cartridge, pilot valve cartridge, pneumatic cartridge,
enclosure and seals must be with parts from Emerson else the suitability for Division 2 will be impaired.
Always use proper component replacement techniques, as presented in this manual. Improper techniques or
componentselectionmayinvalidatetheapprovalsandtheproductspecications,asindicatedin
Installation Guide DOC.IG.BQC54.1 and may also impair operations and the intended function of the device.
IMPORTANT
When replacing any of the components of the QC54 Control Module, the maintenance should be performed in an
instrument shop whenever possible. Make sure that the electrical wiring and pneumatic tubing is disconnected prior
to disassembling the instrument.
2
Page 3
Maintenance Manual
DOC.MM.BQ54.E Rev. 1
February 2018
2 Trouble shooting QC54 Control module
2.1 Mechanical problems
Problem Possible error Solution Where to nd
Feedback position and actual
position are not the same.
Valve is in “Closed” position,
actuator is in “Open” position and
will not move anymore.
Valve does not reach the completely
“Closed” or “Open” position.
Actuator rotates, valve does not.
Actuator and valve are mounted 90°
rotated in relation to each other.
Limit stop screws are not set
correctly.
Insert is not mounted properly
Pressure to low Apply pressure as per sizing Data sheets DA = 1.602.01.
Sizing is wrong
No coupling between actuator shaft
and valve spindle.
2.2 Pneumatic problems
Remove actuator from valve.
Check assembly code of actuator.
Put both valve and actuator in
“Closed” position. Mount
actuator on valve.
Readjust the limit stop screws
Mount the insert in the right
position. Remark: Rotate insert
for one cam = 22.5°
Check valve torque data with
actuator torque data
Install a coupling between
actuator shaft and valve spindle.
Chapter 1 and 2 of
DOC.IOM.Q.E
Chapter 3 of DOC.IOM.Q.E
Chapter 2, §2.5 of
DOC.IOM.Q. E
SR = 1.602.02 or 1.602.03
Chapter 2 of DOC.IOM.Q.E
Problem Possible error Solution Where to nd
Actuator does not react to electrical
control signal.
Actuator does not react good to
electrical control signal.
Air leakage out of main exhaust or
out of the Control Module
Double acting actuator will only
move to “open” position.
There is no supply pressure at the
actuator.
Supply pressure is connected to one
to the exhausts.
Pilot valve (piëzo valve) fails Replace pilot valve
Pneumatic cartridge fails Replace Pneumatic cartridge
Thereissufcientsupplyair
pressurebutinsufcientsupplyair
capacity.
Control Module is not mounted
properly.
Speed control (if present) blocks
airow.
Manual override (if present) on the
Control Module is locked
Pneumatic cartridge does not
match the base actuator function.
Pneumatic cartridge sealing is not
air tight
Pilot Valve cartridge sealing is not
air tight
Pneumatic cartridge has wrong
pneumaticconguration.
Supply the right pressure to the
actuator.
Connect supply pressure to port
“Ps”.
Take care the supply air tubing
has the right dimensions.
Mount the “Control Module” in
the right way to the actuator.
Turn the speed control more
open.
Unlock manual override on the
Control Module.
Make sure the module is
equiped with the correct
pneumatic cartridge
- Single acting pneumatic
cartridge for spring return
actuators or
- Double acting pneumatic cartridge for double acting actuators
- Fail-In-Last-Postion pneumatic
cartridge for double acting actuators requiring a Fail-In-LastPostion
Check and replace the seals in
pneumatic cartridge OR replace
pneumatic cartridge
Replace Pilot valve cartridge.
Mount a Pneumatic cartridge suitable for double acting actuators
See Installation guide as
shipped with module:
DOC.IG.BQC54.1,
chapter 3
See this document,
chapter 4
See manual DOC.IOM.Q.E,
chapter 2, §2.6
See Installation guide as
shipped with module:
DOC.IG.BQC54.1,
chapter 2
See Installation guide as
shipped with module:
DOC.IG.BQC54.1,
chapter 8
Either order the correct
control module or replace
pneumatic cartridge. See
this document, chapter 3.
See this document,
chapter 3.
See this document,
chapter 4
See this document,
chapter 3.
3
Page 4
February 2018
Maintenance Manual
DOC.MM.BQ54.E Rev. 1
2.3 Electrical problems
Problem Possible error Solution Where to nd
Actuator does not react to control
signals
Actuator does not react consistent
There are problems with position
feedback after sending the actuator
to either the “Open” or “Closed”
position
Control wiring is not right
connected
The power supply voltage is not the
same as the voltage of the
applicable Control Module
Communication electronics fail
Pilot valve is not connected in the
right way or pilot valve failed
(Pilot valve alert activated on AMS)
Initialization was not completed in
the right way.
Sizing is wrong Re-size the actuator to the valve
Communication electronic work
inconsistent
Pilot valve failed (Pilot valve alert
activated on AMS)
Initialization was not completed in
the right way.
The feedback signals may be
re-assigned.
Sensor assembly is not right
connected
Electronics fail (Current consumption is not in range of 16~18 mA)
Connect all wiring in the right
way.
Connect the right power supply
voltage.
Replace Foundation Fieldbus
cartridge
Check pilot valve wiring or replace
pilot valve cartridge
Execute the initialization procedure or set feedback signal
manual
Replace Foundation Fieldbus
cartridge
Replace pilot valve cartridge
Execute the initialization
procedure or set feedback signal
manual
Re-assign the open/close position
Connect the sensor wiring to the
FF cartridge
Replace Foundation Fieldbus
cartridge
See documentation
shipped with the Control
Module,
DOC.IG.BQC54.1 chapter 4
See this document
chapter 4
See Reference manual
DOC.RM.BQC54.1
chapter 3
Data sheets DA = 1.602.01.
SR = 1.602.02 or 1.602.03
See this document,
chapter 4
See Reference manual
DOC.RM.BQC54.1
chapter 3
See documentation
shipped with the Control
Module,
DOC.IG.BQC54.1 chapter
5.3 or Reference manual
DOC.RM.BQC54.1 chapter
4.2.3.2
See this document,
chapter 4
See this document,
chapter 4
4
Page 5
Maintenance Manual
8.85 lbf.in
4
4X
DOC.MM.BQ54.E Rev. 1
3 Replacing pneumatic cartridge
February 2018
- The SA and DA pneumatic cartridges can be
exchangedforre-congurationpurposes
(from SA to DA and vice versa) as well as for repair.
- The DA-FILP pneumatic cartridge can only be
exchanged by an identical cartridge for repair
purposes, otherwise it will not function properly.
- See Installation guide DOC.IG.BQC54.1 for
further installation instructions.
Replacement procedure:
- Before starting check that all the required parts
are included.
Kit contents:
Pos. Qt y. Part nr. Description Entry
1 1x
2 2x O-ring
3 3X or 4X Pneumatic connector
4 4x M4 washer
5 4x M4X30 hex.Socket screw
VA001-651-25 Pneumatic cartridge SR BSP
VA001-651-26 Pneumatic cartridge SR NPT
VA001-651-27 Pneumatic cartridge DA BSP
VA001-651-28 Pneumatic cartridge DA NPT
VA001-651-29 Pneumatic cartridge DA/FILP BSP
VA001-651-30 Pneumatic cartridge DA/FILP NPT
1 Turn off and disconnect any operating lines
providing air pressure, electric power, or a control
signal to the control module/actuator.
2 Loosen the fasteners with a 3 mm Allen key.
5 Before replacing the pneumatic cartridge, check
the O-rings are in place.
2X
6 Check if all holes contain connectors with
O-rings.
SA / DA
7 Gently place the cartridge into the module.
FILP
4X3X
3 Pull the cartridge out of the module.
4 Before replacing the pneumatic cartridge, check
that the pneumatic connectors are not captured
in the housing.
OK!
8 Fasten the screws according to the sequence
below, with a 3 mm Allen key.
3
1
2
1 Nm
9 Re-connect operating lines providing air pressure,
electric power, or a control signal to the control
module/actuator as per Installation guide
DOC.IG.BQC54.1.
5
Page 6
February 2018
Maintenance Manual
DOC.MM.BQ54.E Rev. 1
4 Replacing Foundation Fieldbus Cartridge and/or piëzo
pilot vlave
- The Foundation Fieldbus cartridge or the (piëzo)
pilot valve can be exchanged for repair purposes
only.
- See Installation guide DOC.IG.BQC54.1 for
further installation instructions.
Replacement procedure:
Before starting verify part number for correct
replacement kit:
Kit overview:
Part nr. Description
VA001-651-34 FF main electronics cartridge One Pilot
VA001-651-35 FF main electronics cartridge, Two Pilots for FILP
VA001-651-36 Piezo Pilot Valve Assembly, One Pilot
VA001-651-37 Piezo Pilot Valve Assembly, Two Pilots
1 Turn off and disconnect any operating lines
providing air pressure, electric power, or a control
signal to the actuator.
2 Loosen the set screw before opening the Cover.
In case of pilot valve replacement follow steps 5 to 9, for
replacing only the main electronics cartridge, continue
with step 10.
5 Loosen the screws with a 3 mm allen key.
Pull the cartridge out of the module.
Prevent any seal from falling away.
6 Remove the 38mm circlip using a circlip pliers.
Replace the pilot cartridge with one (A) or two
(A + B) pilot valves in the module. Mount the
circlip using a circlip pliers.
A
B
3 Disconnect the bus wiring. Loosen the screws
with a phillips head no.2 Screw driver.
4 Gently remove the cartridge from the module
compartment. Disconnect the pilot wiring and
disconnect the sensor connector.
A
B
7 Before placing the pneumatic cartridge.
Check the o-rings are in position.
8 Before placing the cartridge, check if the
pneumatic connectors are not captured in the
housing and all are placed in the pneumatic
cartridge.
OK!
6
Page 7
Maintenance Manual
DOC.MM.BQ54.E Rev. 1
February 2018
9 Gently place the cartridge into the module.
Fasten the screws according sequence with a
3 mm allen key.
1Nm
8.85 lbf.in
10 Partly place the cartridge in the module
compartment. Connect the sensor connector.
11 Connect the pilot wiring.
For one pilot (A): 1=red 2= black.
For second pilot (B): 3=red 4= black.
Carefully guide the wires when placing the
cartridge into the module.
13 Place the cover on the module with threadsfully
engaged.Engagethethesetscrewforxingthe
cover.
14 Follow all applicable chapters of the Installation
Guide DOC.IG.BQC54.1 to:
- Mechanical assemble the QC54 control module
to the actuator.
- Re-connect operating lines providing air
pressure and electric power/control signal.
- Initial setup/calibration of the QC54 control
module.
- Setting or adjusting of optional module
controls.
12 Fully insert the cartridge and fasten the screws
according sequence with a Phillip head no.2
screwdriver.
3
4
1
2
1 Nm
8.85 lbf.in
7
Page 8
World Area Con guration Centers (WACC) offer sales support, service,
inventory and commissioning to our global customers.
Choose the WACC or sales of ce nearest you:
NORTH & SOUTH AMERICA
19200 Northwest Freeway
Houston TX 77065
USA
T +1 281 477 4100
Av. Hollingsworth
325 Iporanga Sorocaba
SP 18087-105
Brazil
MIDDLE EAST & AFRICA
P. O. Box 17033
Jebel Ali Free Zone
Dubai
T +971 4 811 8100
P. O. Box 10305
Jubail 31961
Saudi Arabia
T +966 3 340 8650
T +55 15 3413 8888
24 Angus Crescent
ASIA PACIFIC
Longmeadow Business Estate East
P.O. Box 6908 Greenstone
No. 9 Gul Road
#01-02 Singapore 629361
T +65 6777 8211
No. 1 Lai Yuan Road
1616 Modderfontein Extension 5
South Africa
T +27 11 451 3700
EUROPE
Wuqing Development Area
Tianjin 301700
P. R. China
T +86 22 8212 3300
Holland Fasor 6
Székesfehérvár 8000
Hungary
T +36 22 53 09 50
Strada Biffi 165
29017 Fiorenzuola d’Arda (PC)
Italy
T +39 0523 944 411
For complete list of sales and manufacturing sites, please visit
www.emerson.com/actuationtechnologieslocations or contact us at
info.actuationtechnologies@emerson.com
www.emerson.com/bettis
©2018 Emerson. All rights reserved.
The Emerson logo is a trademark and service mark of Emerson Electric Co.
TM
is a mark of one of the Emerson family of companies.
Bettis
All other marks are property of their respective owners.
The contents of this publication are presented for information purposes
only, and while every effort has been made to ensure their accuracy,
they are not to be construed as warranties or guarantees, express or
implied, regarding the products or services described herein or their use
or applicability. All sales are governed by our terms and conditions, which
are available on request. We reserve the right to modify or improve the
designs or specifications of our products at any time without notice.
Loading...