GE Masoneilan 12400 Series Instruction Manual

GE Oil & Gas

Masoneilan* 12400 Series
Level Transmitter & Controller
ATEX Instruction Manual

Advanced Level Measurement

•

SIL2-capable liquid level

transmitter

•

Low- and high- level switch

integrated fucntions

•

Easy installation and simple

operation

•

Three built-in pushbuttons

•

Seamless system integration

2 | GE Oil & Gas

Contents

1.0 Level Transmitter/Controller Type 12400 Operation ..................................................3

2.0 Type 12400 Number System ........................................................................4

3.0 Technical Specifications ...........................................................................4

3.1 Performances ......................................................................................... 4

3.2 Schematics and parts identification .................................................................... 5

4.0 ATEX Intrinsic Safety Marking for Type 12400 ........................................................6

5.0 ATEX Flameproof Marking for Type 12400 ............................................................6

6.0 Electrical Connections and Conduit Entry............................................................7

6.1 Voltage suppy allowable ............................................................................... 7

6.2 Maximum Power....................................................................................... 7

6.3 Output current and loop resistor ....................................................................... 7

6.4 Intrinsic Safety entity parameters ......................................................................8

6.5 Conduit entry in flameproof application ................................................................ 8

7.0 Assembly and Installation ..........................................................................9

7.1 As s emb l y .............................................................................................. 9

7.2 12400 flameproof instalation ...........................................................................9

7.3 12400 Intrinsic Safety and type n installation............................................................ 9

8.0 Setup and Start Up ...............................................................................10

8.1 Coupling..............................................................................................10

8.2 Configuration.........................................................................................10

8.3 Calibration ...........................................................................................10

8.4 Start up ..............................................................................................10

9.0 Maintenance Service .............................................................................11

9.1 General rules .........................................................................................11

9.2 Before maintenance activity ..........................................................................11

9.3 During maintenance activity ..........................................................................11

9.4 After maintenance activity ............................................................................11

10.0 Special Conditions of Use ........................................................................12

10.1 For Intrinsic Safety and Flameproof...................................................................12

10.2 For Intrinsic Safety...................................................................................13

10.3 For Flameproof ......................................................................................13

ANNEX I ......................................................................................14

ANNEX II .....................................................................................15

12400 Series Digital Level Instruction Manual (March/2013) | 3

WARNING

BEFORE installing, using or carrying out any maintenance tasks associated with this
instrument, READ THE INSTRUCTIONS CAREFULLY.

These instruments comply with the essential safety requirements of the European Directive ATEX 94/9/CE. It is
certified to be used in Gas or Dust explosive atmospheres, groups IIA, IIB, IIC and IIIC:

• Category II 1GD – zones 0, 1, 2, 20, 21 and 22 for the protection mode "ia"

• Category II 2GD – zones 1, 2, 21 and 22 for the protection mode "d" and “tb”

They also comply with the essential safety requirements of the European Directive EMC 2004/108/CE as
amended, for use within an industrial environment.

Products certified as explosion proof equipment MUST BE:
a) Installed, put into service, used and maintained in compliance with European and/or national and local

regulations and in accordance with the recommendations contained in the relevant standards concerning
potentially explosive atmospheres.

b) Used only in situations those comply with the certification conditions shown in this document and after

verification of their compatibility with the zone of intended use and the permitted maximum ambient

temperature.

c) Installed, put into service and maintained by qualified and competent professionals who have undergone

suitable training for instrumentation used in areas with potentially explosive atmosphere. Such trainings are
not supported by GE.

It is the end user's responsibility to:

• Verify material compatibility with the application

• Ensure proper use of fall protection when working at heights, per Safe Site Work Practices

• Ensure use of proper Personal Protective Equipment

• Take the appropriate actions to ensure that site personnel who are performing installation,

commissioning and maintenance have been trained in proper site procedures for working with and

around equipment, per Safe Site Work Practices

GE reserves the right to discontinue manufacture of any product or change product materials, design, or
specifications without notice.

Under certain operating conditions, the use of damaged instruments could cause a degradation of the
performances of the system which may lead to personal injury or death.

Use only GE's Masoneilan replacement parts to ensure that the products comply with the essential safety
requirements of the European Directives mentioned above.

1. LEVEL TRANSMITTER/CONTROLLER TYPE 12400 OPERATION

To be operational, the digital level and controller type 12400 must be mounted on a torque tube and on a

displacer chamber equipped with the displacer.

Any change in the level of liquid or the interface between two liquids will change the apparent weight of the

displacer and cause a change of the angle of rotation in the torque tube.

This angle is measured by a sensor and converted by an electronic module:

• Either to a standardized 4-20mA current, proportional with the change in level, when congured as a level

transmitter,

• Or, to a 4-20mA current, generated by a PID algorithm derived from the error between the actual level of liquid
and the local set point, when congured as a level controller.

4 | GE Oil & Gas

2. TYPE 12400 NUMBER SYSTEM

12 4 a b

c

d

Model Action Mounting Protection

Housing
Material

4 - HART communication protocol,

LCD display and push buttons, SIL certified

1 – Controller with

adjustable
switches and
second 4-20 mA
analogue output
signal:
AO_1, AO_2,
DO_1, DO_2

2 – Transmitter:

AO_1

3 – Transmitter

with adjustable
switches and
second 4-20 mA
analogue output
signal:
AO_1, AO_2,
DO_1, DO_2

O - Top and bottom,
Screwed, BW or SW

1 - Top and bottom,
Flanged

2 - Side and side,
Flanged

3 - Top vessel,
Flanged

4 - Side vessel,
Flanged

5 - Top and side,
Screwed, BW or SW

6 - Side and bottom,
Screwed, BW or SW

7 - Side and bottom,
Flanged

8 - Top and side,
Flanged

9 - Side and side,
Screwed BW or SW

1 - FM & FMc
SI, NI, DIP, XP and
Nema 4X-6P

2 - JIS, Xproof

3 - Rosteknadzor,

IS, Xproof
and IP 66/67

4 - Inmetro,
IS, Xproof

5 - ATEX & IECEx

IS, Xproof,
and IP 66/67

6 - Others approvals

(based on ATEX/IEC
approvals)

7 - Other approvals

(not based on ATEX/
IEC approvals)

1- Aluminum with

epoxy painting

2 - Stainless steel

Note: Controller option is pending. Please consult GE Oil & Gas.

3. TECHNICAL SPECIFICATIONS

3.1 Performances

Refer to specific gravities between 0.15 and 1.4 with a standard displacer 907 cm3 @ 1362 g.

• Accuracy : ± 0.5 %

• Hysteresis : ± 0.3 %

• Repeatability : ± 0.2 %

• Dead zone: ± 0.1 %

• Ambient temperature ranges:

• In operation : -50°C to + 80°C

• Storage and transport: -50°C to +93°C

• Water ingress protection: IP66/67

12400 Series Digital Level Instruction Manual (March/2013) | 5

3.2 Schematics and parts identification

6 | GE Oil & Gas

4. ATEX INTRINSIC SAFETY MARKING FOR TYPE 12400

The marking is on the serial plate stamped on the 12400 housing (rep 124).

• Name and address the manufacturer:

Dresser Produits Industriels S.A.S.
12110 CONDE SUR NOIREAU - FRANCE

• Type designation: 12400

See numbering system for complete codification §2.

• Basic marking:

II 1 G/D for protection mode "ia"

12400 Series Digital Level Instruction Manual (March/2013) | 7

GEA19100 04/2013

© 2013 General El ectric Comp any. All rights r eserved.

* Masoneilan and ValVue are registered trademarks of the General Electric Company.
Other company names and product names used in this document are the registered trademarks
or trademarks of their respective owners.

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