Emerson Fisher CML-750 Instruction Manual Download Page 2

Instruction Manual

D104302X012

CML Electric Actuator

January 2019

2

Actuator Specifications

Table 1. CML Actuator Specifications

ACTUATOR

CML-250

CML-750

ACTUATOR HOUSING

Cast Aluminum

ENVIRONMENTAL RATINGS

FM, CSA, ATEX, IEC

OPTIONAL RATINGS

FM, CSA, ATEX, IEC

STANDARD ENCLOSURE

FM

NEMA 4 and 6 / IP67

Class 1 Div 1 Gr C, D

Class II Div I E, F, G

STANDARD TEMPERATURE RATING

-30°C to +70°C (-22°F to +158°F)

HAZAROUS AREA TEMPERATURE RANGE

-20°C to +65°C (-4°F to +150°F)

CONDUIT CONNECTION

3/4" - 14 NPT (M25 x 1.50p optional)

MOTOR TYPE

Brushless DC

OPTIONAL VOLTAGES

120VAC, 240VAC, 24VDC

(1)

STANDARD POWER

120VAC/240VAC

THRUST RATING

250 lbs Mod/Run (1112.1 N)

375 lbs Seating (1668.1 N)

750 lbs Mod/Run (3336.2 N)

1125 lbs Seating (5004.2 N)

THRUST ADJUSTABILITY

60% - 150% Rated Thrust

MAX SPEED

0.13 in/sec

(2)

STANDARD CONTROL

Full range 4-20mA / Split Range 4/12 or 12-20mA

**optional: 0-5Vdc and 0-10Vdc

STANDARD FEEDBACK

 4-20mA loop powered feedback

(3)

STANDARD CONTROL OPTIONS
(SPECIAL)

Discrete On/Off RIRO [24VDC or 120VAC control], HART, Foundation 

Fieldbus, DeviceNet, Profibus, Modbus, Pakscan

HMI/GUI SETUP

LCD - text

MODULATING DUTY CYCLE

Unrestricted and Continuous

RESOLUTION

0.2% (adjustable deadband 0 - 10% of analogue signal)

SENSITIVITY

0.2%

RESPONSE TIME

20 milliseconds

STANDARD FAILURE ACTION

Close valve / Open valve / Hold-in-Place / Fail to Position on loss of input signal (selectable).

Holds in place on power failure (standard)

CUSTOMER SETTINGS SAVED

Yes, Standard

WEIGHT (ACTUATOR ONLY)

8.3 kg (18.4 lbs)

11.5 kg (25.4 lbs)

POWER BACK-UP OPTION

Available: Super Capacitors. Fail to Position on Loss of Power. 

Adjustable to Fail Closed, Fail Open, Fail to Position, Fail in Place

LOWER CONTROL OPTION

Available: Separate option. Local controls come standard with Super Capacitor Power Back-up

1. 24VAC not available.
2. Adjustable from 50 to 100%.
3. Includes 2 adjustable relay outputs.

  WARNING

Always wear protective gloves, clothing and eyewear when performing any installation operations to avoid personal
injury.

Personal injury or property damage caused by sudden release of pressure or bursting of pressure retaining parts may result
if service conditions exceed those for which the product was intended. To avoid injury or damage, provide a relief valve for
over pressure protection as required by government or accepted industry codes and good engineering practices.

Check with your process or safety engineer for any additional measures that must be taken to protect against process
media.

If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section  in this
instruction manual.

Summary of Contents for Fisher CML-750

Page 1: ...with Baumann sliding stem control valves Scope of Manual This instruction manual includes installation information for CML electric actuators Do not install operate or maintain CML electric actuators without being fully trained and qualified in valve actuator and accessory installation operation and maintenance To avoid personal injury or property damage it is important to carefully read understan...

Page 2: ...SENSITIVITY 0 2 RESPONSE TIME 20 milliseconds STANDARD FAILURE ACTION Close valve Open valve Hold in Place Fail to Position on loss of input signal selectable Holds in place on power failure standard CUSTOMER SETTINGS SAVED Yes Standard WEIGHT ACTUATOR ONLY 8 3 kg 18 4 lbs 11 5 kg 25 4 lbs POWER BACK UP OPTION Available Super Capacitors Fail to Position on Loss of Power Adjustable to Fail Closed F...

Page 3: ...ur hands and tools away from the stem travel path to avoid personal injury Be especially careful when removing the stem connector to release all loading on the actuator stem Likewise take similar care when adjusting or removing any optional travel stop Refer to the relevant actuator Maintenance Instructions If hoisting the valve take care to prevent people from being injured in case the hoist or r...

Page 4: ...ve D Use lock out procedures to be sure the above measures stay in effect while you work on the equipment D The valve packing box may contain process fluids that are pressurized even when the valve has been removed from the pipeline Process fluids may spray out when removing the packing hardware or packing rings or when loosening the packing box pipe plug D Check with your process or safety engine...

Page 5: ...m Inch Table 2 CML Mounting Parts List Key No Description Qty CML 250 CML 750 Part Number Part Number Actuator 1 Consult your Emerson sales office 2 Stem Adaptor 1 NA GE87952X022 3 Nut 2 NA 24334 1 4 Lock Washer 4 NA 20075 5 Cap Screw 4 NA 82813 17 Actuator Yoke 1 24184 3B GE87978X022 56 Travel Scale 1 983674 001 250 NA 68 Spacer 1 24186 GE79905X012 ...

Page 6: ...6 E1239 Figure 3 Typical Baumann Valve Components A Table 3 Common Valve Parts Key Number Description 1 Valve Body 2 Seat Ring 4 Plug 5 Stem 8 Bonnet 8A Bonnet Bushing 9 Drive Nut 10 Packing Follower 12 O Ring 14 Packing 27 Lock Nuts 49 Body Gasket 58 Travel Indicator ...

Page 7: ...ey 5 7 For CML 750 Skip to step 10 8 For CML 250 Remove the drive nut supplied with actuator from the base of the actuator and set the upper drive nut over the valve stem key 5 9 Place the spacer key 68 on top of the actuator yoke key 17 over the opening 10 Set the actuator on top of the actuator yoke key 17 and prepare for mounting 11 Lift the valve stem key 5 with the travel indicator key 58 and...

Page 8: ...ed by our terms and conditions which are available upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice E 2017 2019 Fisher Controls International LLC All rights reserved Baumann and Fisher are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co Emerson Automation Sol...

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