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Emerson Bettis Q series, Installation Manual

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Emerson Bettis Q series Installation Manual Download Page 9

9

Installation Guide 

Bettis Q-Series

DOC.IG.BQC44.1 Rev. 1 

 February 2017

L-

L+

3

2

1

6

5

4

2

1

2

1

L-

L+

Open 

Wiring diagram:
-  2-Wire NAMUR proximity switches

Fig 4.9 

Wiring diagram 2-Wire proximity switches.

Close

Cable range : 0.2 - 2.5mm

2

 or 30-12AWG

1  Wiring diagram shown, is applicable for actuators with assembly 

code “CW”. For actuators with assembly code “CC” (reverse 
acting) the “Open” and “Closed” switch connections are also 
reversed.

Summary of Contents for Bettis Q series

Page 1: ...Installation Guide Bettis Q Series DOC IG BQC44 1 Rev 1 February 2017 Installation Guide Integrated Control Modules QC44 Intrinsically Safe APPROVED ...

Page 2: ...ator must be isolated both pneumatically and electrically before any dis assembly is begun Installation adjustment putting into service use assembly disassembly and maintenance of the control module must be done by qualified personnel Be sure that the actuator is correctly mounted before connecting air supply and electrical wiring see Installation Operation Manual Bettis Q Series Valve Actuator DO...

Page 3: ...e the transparent film from the control module 4 Ensure seals are placed correctly 5 Level the screws with the surface 6 Place the alignment edge 1 of the control module at the top of the pneumatic interface 7 Flip the module down taking care that the IPT Probe see fig 5 nr 2 on the actuator fits in the mating hole on the control module and loosely place the screws 8 Tighten screws according force...

Page 4: ...o entering the actuator or the control module Condensation or moisture can damage these components and can result in failures 6 The exhaust ports Ra and Rb on the module see figure 3 1 are shipped from the factory with transport protection If ingress protection IP66 or NEMA 4X is required appropriate connections must be used in exhaust ports Ra Rb 3 1 Operating media Air or inert gasses Air filter...

Page 5: ...utdoor Altitude Operating full power available up to 2000 meter 6000 feet Maximum rela tive humidity 80 for temperatures up to 31 C 87 8 F decreasing linearly to 50 relative humidity at 40 C 104 F Mains supply fluctuation up to 10 of nominal voltage Over voltage category II Pollution degree 2 3 when the cover remains closed Temperature see table 4 1 Control Module Type Label Terminals Pilot valve ...

Page 6: ...e acting actuators with Fail in Last Position function make the electrical connections as shown in figure 4 4 5 Mount the control module cover to the housing see figure 4 1 or continue with chapter 5 Take care that the cover seal is in place to comply to dust and water tightness according to IP66 or NEMA4X 6 Lock the cover in position by turning the lock screw in until it blocks 4 1 1 Tools Table ...

Page 7: ...ximum G 125 VAC or 30VDC maximum Contacts NO and NC Temperature See table 4 1 Notes 1 The mechanical M type switches are rated for 3 A with inductive load 2 The mechanical G type switches have gold contacts For applications where the benefits of gold contacts are required the maximum current is 0 1 A Wiring diagram M Mechanical G Mechanical gold contacts Cable range 0 2 2 5mm2 or 30 12AWG 1 Wiring...

Page 8: ... 0 90 3mA 1mA 3 3mA 1mA 3mA 1 mA 3 15 75 93 0 90 3mA 1mA 3 15 75 93 0 90 3mA 1mA 3mA 1 mA 3mA 1 mA Switch operation Open Switch Unswitched Switched Rotation Close Switch Unswitched Switched Rotation Fig 4 8 Switch characteristics 2 wire NAMUR proximity switch Fig 4 7 Switch characteristics 2 wire 230VAC proximity switch Switch signal and adjustable switch range 2 wire NAMUR proximity switch 3 15 7...

Page 9: ...g diagram 2 Wire NAMUR proximity switches Fig 4 9 Wiring diagram 2 Wire proximity switches Close Cable range 0 2 2 5mm2 or 30 12AWG 1 Wiring diagram shown is applicable for actuators with assembly code CW For actuators with assembly code CC reverse acting the Open and Closed switch connections are also reversed ...

Page 10: ...n and closed position see fig 5 1 Adjustable range See chapter 4 2 for the applicable switch type 5 2 2 Switch point setting and valve rotation direction The QC44 is equipped with non intrusive switch adjustment The adjustment screws are accessible behind a small shield in the front of the module see fig 5 3 This means that the switch adjustment can be done without opening the module Normally valv...

Page 11: ...ce moves back the springs cause the lever to move completely downwards until it meets the lower pivot block 2 At this point the lever will tip over and push up the switch operating rod 5 and operates the top switch 8 Fig 5 2 Working principles Switch Operating Mechanism Switch point adjustment The position of the lower pivot block 2 can be changed by adjustment screw 10 and the position of the upp...

Page 12: ...ce the adjustment screw until the switch trips to the off state no signal 4 Turn top screw 10 clock wise do not force the adjustment screw until the switch trips to the on state This position represents the actual mechanical closed position of the valve 5 Turn the screw minimal a 1 2 turn clock wise The closed position switch point is now set Open Position 6 Move the actuator to the open position ...

Page 13: ...5 of the actuator To set and detect the switch point use a multi me ter connected to the switch terminals to measure a resistance change as applicable per switch type see applicable wiring diagram in chapter 4 2 For the proximity switches you can use a proximity switch tester 5 4 Check operation 5 4 1 Default single pilot valve 1 Connect pressure according chapter 3 and a control signal to termina...

Page 14: ...e adjustment screws when you feel an obstruction Forcing the adjustment screws can damage the cross head of the adjustment screw For commissioning emergency or maintenance purposes the Bettis Q Series can be supplied with one or two Manual Control options These can operate the pilot valve s inside the module and as such operate the actuator when there is air pressure available but no control signa...

Page 15: ... bettis 8 1 2 Manual Control operation 1 The Manual Control has a Push Lock function To operate the Manual Control use a screw driver push to activate and release to de activate the pilot valves If required turn it 45 to lock it in position and keep the actuator in its operated state 2 In case of a Fail in Last Position configuration with two manual controls The manual control on the right side de...

Page 16: ... Potential electrostatic charging hazard clean only with a damp cloth danger of propagating discharge The apparatus shall be installed in such a way that the risk from electrostatic discharges and propagating brush discharges caused by rapid flow of dust is avoided Precaution shall be taken to avoid danger of ignition due to electrostatic charges on the marking plate of the enclosure Table 11 2 QC...

Page 17: ...than 250Vrms or Vdc 4 Intrinsically safe equipement Must be CSA Approved Must be ATEX Approved 5 Barrier I S Entity Parameters must meet the following conditions Uo Ui Io Ii Po Pi Co Ci C cable Lo Li L cable 6 When multiple barriers are used Each I S Circuit must use shielded twisted pairs Cable insulation and shielding must extend to within paritioned area of terminals 7 8 9 10 11 12 L L 3 2 1 6 ...

Page 18: ... discharges and propagating brush discharges caused by rapid flow of dust is avoided Precaution shall be taken to avoid danger of ignition due to electrostatic charges on the marking plate of the enclosure Table 11 4 QC44 Intrinsically Safe Entity Parameters Circuit Terminal Ui Ii Pi Ci Li Pilot valve 8 9 28Vdc 300mA 1 6W 0 0 Feedback switches 1 2 M type 1 2 3 4 5 6 30Vdc 300mA 1 2W 0 0 G type 1 2...

Page 19: ... Control equipment connected to the barrier must not use or generate more than 250Vrms or Vdc 4 Intrinsically safe equipement Must be CSA Approved Must be ATEX Approved 5 Barrier I S Entity Parameters must meet the following conditions Uo Ui Io Ii Po Pi Co Ci C cable Lo Li L cable 6 When multiple barriers are used Each I S Circuit must use shielded twisted pairs Cable insulation and shielding must...

Page 20: ...ration the machine into or onto which the Control Module will be installed must comply with the stipulations of the machinery directive Product description Bettis Q Series Control module QC44 Serial number Year of Construction ATEXDIRECTIVE Types QC44 P1 xx1 x M G or N ATEX Certificate No Pending Marking II 1 G Ex ia IIC T4 T6 resp II 1 D Ex tD A20 T80 C IP65 II 1 G Ex d ib IIC T4 T6 resp II 1 D E...

Page 21: ...Longmeadow Business Estate East P O Box 6908 Greenstone 1616 Modderfontein Extension 5 South Africa T 27 11 451 3700 EUROPE 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 www emerson com bettis 2018 Emerson All rights reserved The Emerson logo is a trademark and service mark of Emerson Electric Co BettisTM is a mark...

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