Emerson FieldQ QC4124 V DC User manual

Installation Guide FieldQ

DOC.IG.QC41.1 Rev. 4 April 2020

FieldQ Integrated Control Modules

QC4124 V DC

QC42115 V AC

QC43230 V AC

FieldQ

(Product Discontinued)

Installation Guide FieldQ

April 2020 DOC.IG.QC41.1 Rev. 4

1Control Module Type Label =

24 V DC

QC41..WP.. = Weather Proof

QC41..Px.. = Explosion-/Flame proof

115 V AC

QC42..WP.. = Weather Proof

QC42..Px.. = Explosion-/Flame proof

230 V AC

QC43..WP.. = Weather Proof

QC43..Px.. = Explosion-/Flame proof

Actuator Type Label =

QS xxxx = Single acting (Spring Return)

QD xxxx = Double acting

Fig. 2.2 Identication

1 Applicable Control modules:

QC41 - 24 V DC - Weather Proof

- Explosion Proof / Flame proof

QC42 - 115 V AC - Weather Proof

- Explosion Proof / Flame proof

QC43 - 230 V AC - Weather Proof

- Explosion Proof / Flame proof

Note:

Both executions can be equipped with one or two

pilot valves:

* One pilot valve is default and suitable for normal

operation of double acting or spring return

actuators.

* Two pilot valves are required for Fail in Last

Position function on double acting actuators.

The enclosures of both Weather Proof and Explosion

Proof / Flame proof modules, have a IP66 or NEMA

4X, ingress protected rating.

Fig. 2.1: Check proper mounting before connecting air

supply and electrical wiring

2 Before starting

* Actuator 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 and Operation Manual

FieldQ Valve Actuator, DOC.IOM.Q.E)

* Check the module label for the right execution

(see Figure 2.2)

* Check the type of actuator: single or double

acting (see Figure 2.2).

* For mechanical installation of the module see

installation instruction leaflet DOC.QC4.MTI.1,

as shipped with the module.

2.1 Intended use

The FieldQ actuator is an integrated concept for

the automation of quarter turn valves, dampers or

other quarter turn applications. It consists of two

basic parts (see Figure 2.1):

1. Pneumatic actuator

2. Control Module

The control module allows operation of the

actuator and supplies position feedback signals.

Installation Guide FieldQ

DOC.IG.QC41.1 Rev. 4 April 2020

2.2 Mechanical alignment and mounting of

the control module

The control module is equipped with an alignment-

edge on top of the module. This allows easy

alignment and mounting of the control module on

to the actuator housing.

Procedure: (see Figure 2.3)

1. First take care that both mating faces from the

actuator and control module are clean and free

of dirt.

2. Check if the module has the required function

3. Remove 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 Figure 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 in sequence.

Tightening moments

The Control Module should be fastened by using

an Allen key and applying the following tightening

moments:

- Allen Key No 5: 6.1 to 6.6 Nm

(54 - 58.4 In.lb)

Alignment-edge

Fig. 2.3 Alignment and mounting of control

module to actuator

IPT probe

Installation Guide FieldQ

April 2020 DOC.IG.QC41.1 Rev. 4

IMPORTANT

1 The actuator/valve combination can move

after connecting the air supply.

2 Ensure that the QC4x control modules are

mounted properly to the actuator to achieve

good functioning and the required ingress

protection, before connecting the air supply.

3 Check that the maximum supply pressure

Pmax = 8 bar/116 psi

4 Be sure that the minimum required supply

pressure for the application is available at the

actuator.

5 Take appropriate measures to prevent

condensation or moisture to 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 and Rb.

3.1 Operating media :

* Air or inert gasses.

* Air filtered at 50 micron.

* Dew point 10 K below operating temperature.

* For subzero applications take appropriate

measures.

3.2 Single acting (spring return) or Double

acting actuator :

1 Remove the transport sticker from the air

supply (Ps).

2 Connect air supply to port (Ps).

Fig. 3.1: Pneumatic connections

Single acting

Control

Module cover

1/4” BSP or

1/4” NPT

Double acting

1/4” BSP or

1/4” NPT

3 Pneumatic connections

Installation Guide FieldQ

DOC.IG.QC41.1 Rev. 4 April 2020

4 Electric Connections

The conventional Control Module contains a pilot

valve for controlling the actuator and switches for

position feedback.

WARNING:

* If the Control Module is used in a manner not

specied by the manufacturer, the protection

provided by the equipment may be impaired.

* For electrical safety the marked protective

conductor terminal inside or outside the

Control Module housing shall be connected to

earth.

* If required, mount earth wire (1) between top

(2) and stainless steel washer (3) of earth wire

connection (see Figure 4.2).

* To fulll the electrical safety regulations

according IEC 61010-1, a switch and circuit-

breaker shall be included in the building

installation. It is advised to indicate the

location of the circuit breaker by means of a

label on or nearby the installed

FieldQ modules. The disconnection switch or

circuit breaker shall disconnect all current-

carrying conductors.

* Heat resistant cable and cable glands shall be

used, suitable for temperatures of at least 80°C

* Use and mount cable glands as required by

national or local legislation.

* If IP66 or NEMA 4X ingress protection is

required, then the electrical entries must be

tted with devices rated IP66 or NEMA 4X.

Electrical safety requirements:

Use In- and outdoor.

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

terminals

Switch terminals

Option: Manual

control

Fig. 4.1 Terminal connections behind cover

Fig. 4.2 Earth wire connection

Lockable

Module cover

Option: Additional

manual control for

“Fail in Last Position”

Electrical entries:

3/4”NPT

or M25

1/2”NPT

or M20

Caution! :

Risk of electric shock

* Installation, adjustment, putting into service,

use, assembly, disassembly and maintenance

of the control module is strictly reserved to

qualied personnel.

* Do not attempt to install or repair any electric

device without shutting off incoming power.

Installation Guide FieldQ

April 2020 DOC.IG.QC41.1 Rev. 4

4.1.2 Hazardous area Special safety instructions

for safe use

1. For ATEX, all installation, inspection,

maintenance and repair must be done by

suitably trained personnel. For information refer

to EN60079-14, EN60079-17, EN60079-19.

Control Module Type Label =

QC41·MP5MSA1·0040UQP000

Pneumatic action

Switch cartridge

Fig. 4.4 Switch cartridge and pneumatic action

identication

4.1 FieldQ QC4x modules

Hazardous Area instructions

IMPORTANT

All installation, inspection, maintenance and

repair of the equipment should be performed by

suitably trained personnel.

The Control Modules must not be used in

atmospheres that contains acetone, ethyl acetate

or acetic acid vapors.

4.1.1 ATEX/IECEx Intended use

The Control Modules QC4x..P5.. of the

FieldQ pneumatic actuator is a Group II category 2

(ATEX) equipment with protection level Gb, Db

(IECEx) and intended for use in areas in which

explosive atmospheres caused by mixtures of air

and gases, vapors, mists or by air/dusts are likely to

occur. The pneumatic actuator part, together with

the pneumatic module part of the FieldQ pneumatic

actuators is a Group II category 2 equipment

and intended for use in areas in which explosive

atmospheres caused by mixtures of air and gases,

vapors, mists or by air/dusts are likely to occur.

Therefore it may be used in hazardous area classified

Zones 1, 2 (Gasses) and/or 21, 22 (Dust).

2. Substitution of component may impair

suitability for Zone 2 Increased Safety.

3. Do not open cover of terminal compartment

when an explosive atmosphere is present.

4. Cleaning this housing by rubbing should be done

in a non-hazardous area,

5. Potential electrostatic charging hazard, clean

only with a damp cloth - danger of propagating

discharge.

6. 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.

7. All grounding and bonding installation

requirements must be addressed.

8. The cable entry device and the closing elements

of unused apertures must be of a certified

flameproof type, suitable for the conditions of

use and correctly installed.

9 Blind plugs or cable gland shall be engaged

into the cable entries minimal 5.5 threads for

M20x1.5 entries and minimal 5 threads for NPT

entries.

10.Certified Ex t cable glands shall be use in a dust

environment.

11.Heat resistant cable and cable glands shall be

used, suitable for temperatures of at least 80°C

12.The maximum temperature of the supply

air must stay below the maximum ambient

temperature as marked on the control module

(see Table 4.1).

13.The maximum temperature of the base actuator

must stay below the maximum ambient

temperature as marked on the control module

(see Table 4.1).

14.Contact your local Emerson representative for

information on the dimensions of the flame

proof joints.

15.Precaution shall be taken to avoid danger of

ignition due to electrostatic charges on the

marking plate of the enclosure.

4.1.3 FM Special safety instructions

1. Metric entries are not allowed. Metric entries are

for IECEx or ATEX installations only.

2. Wiring must be done according NEC 500.

Installation Guide FieldQ

DOC.IG.QC41.1 Rev. 4 April 2020

Table 4.1 Ambient and maximum surface temperature rating.

Conguration Temperature (°C)

Module type Switch

cartridge

Pneumatic

action

Max. Power

dissipation

Min.

ambient

Max.

ambient

Max.

Surface Class

QC41 (24 V DC)

M, G

O,C,N,H (1

S,D,F 3.6W (1 -25°C /

-13°F

+60°C /

+140°F

+80°C /

176°F T6/T4

QC42, QC43

(115 or 230 V AC) S,D 3.6W (1 -25°C /

-13°F

+60°C /

+140°F

+80°C /

176°F T6/T4

QC42, QC43

(115 or 230 V AC) F 7.2W (2 -25°C /

-13°F

+60°C /

+140°F

+80°C /

176°F T6/T4

Notes:

1 1x or 2x 24 V DC pilot valves, or 1x 115/230 V AC pilot valve

2 2x 115 or 230 V AC pilot valves

Switch cartridge

M = Mechanical switches

G = Mechanical switches (gold contacts)

C = 3 wire PNP proximity switch

O = 3 wire NPN proximity switch

N = 2 wire proximity switch

H = 2 wire proximity switch

Pneumatic action

S = Spring-Return (Single acting)

D = Double-Acting

F = Double-Acting (Fail in Last Position)

4.1.4 Applied IECEx standards

For FieldQ Control Module:

- QC4x...P5... (x = 1, 2 or 3)

the following standards are applied:

- IEC 60079-0: 2017

- IEC 60079-1: 2014

- IEC 60079-31: 2013

4.1.5 Product marking;

Each control module is marked with the applicable ambient temperature marking (see Table 10.1).

IECEx hazardous or Classied Location:

Ex db IIB + H2 T4/T6 Gb

EX tb IIIC T80°C Db

IECEx DEK 11.0043X

ATEX hazardous or Classied Location:

II 2G Ex db IIB + H2 T4/T6 Gb

II 2D EX tb IIIC T80°C Db

DEKRA 11ATEX0092 X

FM hazardous or Classied Location:

CL I, II, III, DIV 1

Groups BCDEFG, T4/T6,

Type 4X/IP66

CL I, ZN 1, IIB+H2 T4/T6

FM17US0074X

CSA hazardous or Classied Location:

Class I, II, III, DIV 1

Groups CDEFG, T4/T6,

Type 4X/IP66

Ex d IIB+H2 T4/T6

DIP A21 TA 80°C

CSA 12.2489009

Installation Guide FieldQ

April 2020 DOC.IG.QC41.1 Rev. 4

Fig. 4.5 Default Pilot valve wiring connections

4.2 Connecting Pilot valve(s)

The Control Module can be equipped with one or

two pilot valves:

* One pilot valve is default and suitable for normal

operation of double acting or spring return

actuators.

* Two pilot valves are required for Fail in Last

Position for double acting actuators.

IMPORTANT

For hazardous area installations see instructions in

paragraph 4.1

1. Before connecting the pilot valve, check the

voltage on the control module label.

2 Remove control module cover (see Figure 4.1).

3 Guide the cable(s) through the electrical

entry(ies).

- Use and mount cable glands as required by

national or local legislation.

4 For normal operation, make the electrical

connections as shown in Figure 4.5.

For double acting actuators with Fail in

Last Position function, make the electrical

connections as shown in Figure 4.6

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.

4.2.1 Tools

Table 4.2 Tool Table

For terminals Screw driver 0.6 x 3.5

Cover lock screw Allen key nr 2

Cable range:

0.33 - 2.5mm2or

22 - 12AWG

Cable range:

0.33 - 2.5mm2or

22 - 12AWG

Fig. 4.6 Pilot valve wiring connections for

Fail in Last Position

Installation Guide FieldQ

DOC.IG.QC41.1 Rev. 4 April 2020

4.3 Connecting Mechanical Feedback switches

1. Before connecting the switches, check the

model code on the Control Module label.

QCXX.xxxMxx = Mechanical switches

QCXX.xxxGxx = Mechanical switches

(gold plated)

2 Guide the cable(s) through the electrical

entry(ies).

- Use and mount cable glands as required by

national or local legislation.

3. Make connections as shown in Figure 4.8 and

Table 4.3/4.4

4. Mount the Control Module cover. Take care that

the cover seal is in place to comply to dust and

water tightness according to IP66 or NEMA4X.

IMPORTANT

For hazardous area installations see instructions in

paragraph 4.1

Table 4.3 Mechanical switches

Option code M

Option code G (gold contacts)

Type Mechanical

Voltage M: 277 V AC or 250 V DC (maximum)

G: 125 V AC or 30 V DC (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 1 A.

Wiring diagram:

- M = Mechanical

- G = Mechanical, gold contacts

Cable range : 0.33 - 2.5mm2or 22 - 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.

2 Wiring diagram is shown in the actuators mid-stroke position.

Fig 4.8 Wiring diagram mechanical switches

-3° 15° 75° 93°

0° 90°

Contact Switch signal and adjustable

switch range

switch

Open

Switch

Rotation

Switched

Unswitched

Fig 4.7 Adjustable switch range and factory settings

Switch

operation

Normally

Open

Contacts

Signal

Open Close

Table 4.4 Maximum currents mechanical switches

Switch voltage M type switch G type switch

125 V AC 10 A (3 A1) 0.1 A 2

250 V AC 10 A (3 A1) -

30 V DC 0.5 A 0.1 A 2

125 V DC 0.5 A -

250 V DC 0.25 A -

Installation Guide FieldQ

April 2020 DOC.IG.QC41.1 Rev. 4

4.4 Connecting 2-Wire proximity switches

1. Before connecting the switches, check the

model code on the Control Module label.

QCXX.xxxNxx = 2-Wire NAMUR proximity

QCXX.xxxHxx = 2-Wire 230 V AC proximity

2 Guide the cable(s) through the electrical

entry(ies).

- Use and mount cable glands as required by

national or local legislation.

3. Make connections as shown in Figure 4.11 and

Table 4.5 or 4.6.

4. Mount the Control Module cover. Take care that

the cover seal is in place to comply to dust and

water tightness according to IP66 or NEMA4X.

IMPORTANT

For hazardous area installations see instructions in

paragraph 4.1.

-3° 15° 75° 93°

0° 90°

3mA

1mA

-3° 15° 75° 93°

0° 90°

3mA

1mA

≥ 3mA

≤ 1 mA

≥ 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 4.10 Switch characteristics 2-wire NAMUR

proximity switch

Fig 4.9 Switch characteristics 2-wire 230 V AC

proximity switch

Switch signal and adjustable switch range

2-wire NAMUR proximity switch

-3° 15° 75° 93°

0° 90°

Switch Switch signal and adjustable

switch range

switch

Open

Switch

Rotation

Switched

Unswitched

Switch

operation

2-Wire 115V

proximity

switch

Signal

Table 4.5 2-Wire NAMUR proximity switches

Option code N

Type 2-wire inductive, normally closed

Voltage 8 V DC nominal

Output Unswitched: > 3 mA

Switched: < 1 mA

Temperature See table 4.1

Compliant to DIN EN 60947-5-6 (NAMUR)

Table 4.6 2-Wire 230 V AC proximity switches

Option code H

Voltage 20 - 250 V AC / 10 - 300 V DC

(50 - 60 Hz AC)

Current Maximum 100 mA

Peak 0.9 A (20 ms/0.5 Hz)

Leakage < 1.7 mA

Temperature See table 4.1

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