Emerson Bettis RTS FL Series User manual

User Instructions

MAN-02-04-60-0352-EN Rev. 3

February 2019

Operating Manual for Bettis RTS FL Series

Fail-Safe Linear Electric Actuator

User Instructions

MAN-02-04-60-0352-EN Rev. 3

February 2019

Table of Contents

Section 1: Introduction

Section 2: Functional Description of the

RTS FL Fail-Safe Linear Actuator

2.1 Fail-Safe Direction ......................................................................................... 3

2.2 Option Manual Override................................................................................ 3

Section 3: General Information

3.1 Safety Instructions ........................................................................................ 5

3.2 Serial Number and Type Label ....................................................................... 5

3.3 Operating Mode............................................................................................ 6

3.4 Protection Class ............................................................................................ 6

3.5 Mounting Position......................................................................................... 7

3.6 Direction of Rotation..................................................................................... 7

3.7 Protection Devices ........................................................................................ 8

3.8 Ambient Temperature................................................................................... 8

3.9 Delivery Condition of the Actuators .............................................................. 8

3.10 Information Notice (Tag) ............................................................................... 9

Section 4: Packaging, Transport and Storage

4.1 General ....................................................................................................... 10

4.2 Storage ....................................................................................................... 10

4.3 Long-term Storage...................................................................................... 11

Section 5: Installation Instructions

5.1 Mechanical Connection............................................................................... 12

5.2 Mounting of Linear Fail-Safe Actuator.......................................................... 13

5.3 Mounting Position of the Operating Unit..................................................... 16

5.4 Electrical Connection .................................................................................. 17

Section 6: Commissioning

6.1 General Information.................................................................................... 20

6.2 Manual Operation ....................................................................................... 20

6.3 Mechanical Default Settings and Preparation .............................................. 21

6.4 End Limit Setting......................................................................................... 22

6.5 Adjusting of Fail-Safe Speed ........................................................................ 28

6.6 Final Step .................................................................................................... 30

User Instructions

MAN-02-04-60-0352-EN Rev. 3

February 2019

Table of Contents

ii Table of Contents

Section 7: Control Unit

7.1 Operating Unit ............................................................................................ 31

7.2 Display Elements......................................................................................... 32

7.3 Operation ................................................................................................... 34

Section 8: Parameter Menu

8.1 Parameter Group: End Limit ........................................................................ 43

8.2 Parameter Group: Torque............................................................................ 45

8.3 Parameter Group: Speed ............................................................................. 46

8.4 Parameter Group: Ramp (optional) ............................................................. 46

8.5 Parameter Group: Control ........................................................................... 47

8.6 Parameter Group: Password ........................................................................ 47

8.7 Parameter Group: Position .......................................................................... 48

8.8 Parameter Group: Binary Inputs .................................................................. 49

8.9 Parameter Group: Binary Outputs ............................................................... 52

8.10 Parameter Group: Position Output (optional).............................................. 56

8.11 Parameter Group: Step Mode ...................................................................... 57

8.12 Parameter Group: Positioner (option).......................................................... 59

8.13 Parameter Group: PID Controller (optional)................................................. 61

8.14 Parameter Group: Characteristic Curves (optional)...................................... 63

8.15 Parameter Group: Identication (option)..................................................... 64

8.16 Parameter Group: System Parameters (locked) ........................................... 64

8.17 Parameter Group: Miscellaneous................................................................. 65

Section 9: Status Area

9.1 Status.......................................................................................................... 66

9.2 History........................................................................................................ 69

Section 10: Infrared Connection

Section 11: Bluetooth Link

Section 12: Maintenance

Section 13: Troubleshooting

13.1 Error List...................................................................................................... 73

User Instructions

MAN-02-04-60-0352-EN Rev. 3

February 2019

Table of Contents

iii

Table of Contents

Section 14: Fuses

Section 15: Lubricant Recommendations and Requirements

15.1 Main Body: -25oC to +60oC.......................................................................... 76

15.2 Main Body: -40oC to +60oC.......................................................................... 76

15.3 Output type A and spindle drives (Linear Actuators) -40 to +60C................. 76

15.4 Basic Lubricant Service Interval ................................................................... 76

Section 16: Training

Section 17: Technical Data and Certifications

17.1 Binary Outputs............................................................................................ 79

17.2 Binary Inputs............................................................................................... 80

17.3 Analog Inputs.............................................................................................. 84

17.4 Analog Output ............................................................................................ 84

17.5 Auxiliary Voltage Input and Output ............................................................. 86

17.6 Connections ............................................................................................... 87

17.7 Miscellaneous ............................................................................................. 87

User Instructions

MAN-02-04-60-0352-EN Rev. 3

February 2019

Section 1: Introduction

Introduction

Section 1: Introduction

Bettis RTS FL Fail-Safe electric actuators are designed to operate appropriate valves when a

fail-safe functionality is required.

Appropriate valves are all kind of valves that require a linear movement to operate

(globe valve, gate valves, etc.).

In the event of a power failure or if the fail-safe function is triggered deliberately, the linear

Actusafe actuator shifts the valve to the fail-safe position, using the built-in energy storage

device to do so.

Figure 1 Bettis RTS FL Fail-Safe Electric Actuator

User Instructions

MAN-02-04-60-0352-EN Rev. 3

February 2019

Section 2: Functional Description of the RTS FL Fail-Safe Linear Actuator

Functional Description of the RTS FL Fail-Safe Linear Actuator

Section 2: Functional Description of the

RTS FL Fail-Safe Linear Actuator

In normal operation, the actuator is operated by a PM motor (1). Via a worm gear stage (2)

and a planetary gear train (3), the motor drives the spindle nut of a ball screw (4). The sun

gear shaft of the planetary gear train is xed in place by an operating current brake (5).

The ball screw converts the rotational movement of the gear unit into linear motion, which,

on the one hand, charges the spring packet (6), which acts as an energy storage device.

On the other hand, the linear motion is transmitted to the valve stem (8) via a

spring-loaded spindle pin (7).

There are no engaging or disengaging elements between the motor, the energy storage device

and the tting shaft in the actuator. All the gear unit components are permanently engaged.

While moving against the fail-safe direction, the electric motor has to move both the valve

and the energy storage device (disk spring assembly) for the fail-safe stroke.

If the supply for the operating current brake is interrupted (by a power failure, or

intentionally to trigger a fail-safe stroke, the actuator will no longer be held, and the energy

stored in the disk spring packet will be converted into kinetic energy so as to move the

actuator and thus the valve to the fail-safe position. In this situation, the entire gear chain

of the actuator with the exception of the worm gear stage will be moved until the end

stop of the valve is reached. The spring-loaded spindle pin (7) dampens the stop and thus

protects the valves seat.

Owing to this operating principle, neither an initialising stroke nor resetting of the drive

is required after a fail-safe stroke. As soon as the power supply is restored, the actuator is

immediately ready for operation.

Figure 2 Cutaway View of RTS FL Fail-Safe Linear Actuator

User Instructions

MAN-02-04-60-0352-EN Rev. 3

February 2019

Section 2: Functional Description of the RTS FL Fail-Safe Linear Actuator

3Functional Description of the RTS FL Fail-Safe Linear Actuator

Parts Overview:

1. Motor

2. Worm Gear Stage

3. Planetary Gear Train

4. Ball Screw

5. Operating Current Brake

6. Spring Packet

7. Spring Loaded Spindle Pin

8. Valve Stem

2.1 Fail-Safe Direction

This type of fail-safe actuator can be built in two versions for "Fail-Safe Close"

(extend actuator stem) or "Fail-Safe Open" (retract actuator stem).

2.2 Option Manual Override

RTS FL actuator can additionally be equipped with a manual mode. This additional option

allows an adjustment of the valve in deenergized state.

CAUTION: MANUAL MODE OPERATION

- By activating the manual drive the fail-safe function is disabled.

- By activating the manual drive the electrical function of the drive is disabled.

In normal operation, the handwheel (9) is not engaged. By pushing the coupling rod (10),

the handwheel is engaged and at the same time, disables the actuator electrically (switched

to malfunction) and the fail-safe function. By using a padlock, the actuator can be protected

against unintended manual operation or inadvertent activation of manual operation.

User Instructions

MAN-02-04-60-0352-EN Rev. 3

February 2019

Section 2: Functional Description of the RTS FL Fail-Safe Linear Actuator

Functional Description of the RTS FL Fail-Safe Linear Actuator

Figure 3 RTS FL Fail-Safe Linear Actuator with Padlock

Parts Overview:

1. Handwheel

2. Coupling Rod

3. Padlock

User Instructions

MAN-02-04-60-0352-EN Rev. 3

February 2019

Section 3: General Information

General Information

Section 3: General Information

3.1 Safety Instructions

CAUTION: WORK UNDER GUIDANCE AND SUPERVISION

When operating electrical devices, certain parts are inevitably under dangerous voltage.

Work on the electrical systems or components may only be carried out by electricians or by

individuals who have been instructed how to do so. Working under the guidance and

supervision of an electrician in accordance with electrotechnical regulations.

WARNING: ALWAYS REFER TO STANDARDS

When working in potentially explosive areas, pay attention to European Standards EN 60079-14

“Installing Electrical Systems in Explosion Endangered Areas” and EN 60079-17 “Inspection and

Maintenance of Electrical Installations in Explosion Endangered Areas”.

Working in potentially explosive areas is subject to special regulations (European Standard EN

60079-17), which must be complied with. Any additional national regulations must be needed.

3.2 Serial Number and Type Label

Each actuator of the RTS Fail-Safe Linear FL series carries a serial number. The serial number

begins with the year and that can be read from the type label (see Figure 4) of the actuator

(the type label is located next to the handwheel – see Figure 5).

Using this serial number, Emerson can uniquely identify the actuator (type, size, design,

options, technical data and test report).

Figure 4 Bettis RTS Tag and Serial Number

181148

No.: 18113E04559

Type: FL-15B-1MHHB

0,21-6,0mm/sec

50,0mm 8,3-240sec

IP68

Open: 15,0kN

Close: 15,0kN

TÜV-A16ATEX0007X

Tamb-40..+60°C

2018

II 2 G Ex de IIC T4 Gb

S2-15min

1026

S4-1200c/h - 40%ED

3x380-480V 50/60Hz

0,84-0,67A

I :

NLC16.13198-1S

AEx de IIC T4 Gb

19200 Northwest Fw

Houston

TX 77065

Class 1 Div 1 & 2 Group A

IECEx LC 17.0003X

Ex de IIC T4 Gb

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