Brooks 0254 Kasutusjuhend

Installation and Operation Manual

X-SE-0254-eng

Part Number: 541B129AAG

September, 2010

Model 0254

5

Gas and Liquid Mass Flow

Secondary Electronics

Model 0254

Table Top Four Channel

Secondary Electronics

Installation and Operation Manual

X-SE-0254-eng

Part Number: 541B129AAG

September, 2010

Model 0254

ESD (Electrostatic Discharge)

CAUTION: This instrument contains electronic components that are susceptible to damage by static electricity. Proper handling procedures

must be observed during the removal, installation or other handling of internal circuit boards or devices.

Handling Procedure:

1. Power to unit must be removed.

2. Personnel must be grounded, via a wrist strap or other safe, suitable means before any printed circuit card or other internal device is installed,

removed or adjusted.

3. Printed circuit cards must be transported in a conductive container. Boards must not be removed from protective enclosure until immediately before

installation. Removed boards must immediately be placed in protective container for transport, storage or return to factory.

Comments

This instrument is not unique in its content of ESD (electrostatic discharge) sensitive components. Most modern electronic designs contain components

that utilize metal oxide technology (NMOS, SMOS, etc.). Experience has proven that even small amounts of static electricity can damage or destroy these

devices. Damaged components, even though they appear to function properly, exhibit early failure.

Brooks Instrument designs, manufactures and tests its products to meet many national and international standards. These products must be properly

installed, operated and maintained to ensure they continue to operate within their normal specifications. The following instructions must be adhered to

and integrated into your safety program when installing, operating and maintaining Brooks Instrument products.

• To ensure proper performance, use qualified personnel to install, operate, update, program and maintain the product.

• Read all instructions prior to installing, operating and servicing the product. If this instruction manual is not the correct manual, please see back cover

for local sales office contact information. Save this instruction manual for future reference.

WARNING: Do not operate this instrument in excess of the specifications listed in the Instruction and Operation Manual. Failure to heed

this warning can result in serious personal injury and / or damage to the equipment.

• If you do not understand any of the instructions, contact your Brooks Instrument representative for clarification.

• Follow all warnings, cautions and instructions marked on and supplied with the product.

• Install your equipment as specified in the installation instructions of the appropriate instruction manual and per applicable local and national codes.

Connect all products to the proper electrical and pressure sources.

• Operation: (1) Slowly initiate flow into the system. Open process valves slowly to avoid flow surges. (2) Check for leaks around the flow meter inlet

and outlet connections. If no leaks are present, bring the system up to the operating pressure.

• Please make sure that the process line pressure is removed prior to service. When replacement parts are required, ensure that qualified people use

replacement parts specified by Brooks Instrument. Unauthorized parts and procedures can affect the product's performance and place the safe

operation of your process at risk. Look-alike substitutions may result in fire, electrical hazards or improper operation.

• Ensure that all equipment doors are closed and protective covers are in place to prevent electrical shock and personal injury, except when

maintenance is being performed by qualified persons.

WARNING: For liquid flow devices, if the inlet and outlet valves adjacent to the devices are to be closed for any reason, the devices must

be completely drained. Failure to do so may result in thermal expansion of the liquid that can rupture the device and may cause personal

injury.

All pressure equipment with an internal pressure greater than 0.5 bar (g) and a size larger than 25mm or 1" (inch) falls under the Pressure Equipment Directive

(PED).

• The Specifications Section of this manual contains instructions related to the PED directive.

• Meters described in this manual are in compliance with EN directive 97/23/EC.

• All Brooks Instrument Flowmeters fall under fluid group 1.

• Meters larger than 25mm or 1" (inch) are in compliance with PED category I, II or III.

• Meters of 25mm or 1" (inch) or smaller are Sound Engineering Practice (SEP).

The Brooks Instrument (electric/electronic) equipment bearing the CE mark has been successfully tested to the regulations of the Electro Magnetic

Compatibility (2004/108/EC (EMC directive 89/336/EEC)).

Special attention however is required when selecting the signal cable to be used with CE marked equipment.

Quality of the signal cable, cable glands and connectors:

Brooks Instrument supplies high quality cable(s) which meets the specifications for CE certification.

If you provide your own signal cable you should use a cable which is overall completely screened with a 100% shield.

“D” or “Circular” type connectors used should be shielded with a metal shield. If applicable, metal cable glands must be used providing cable screen

clamping.

The cable screen should be connected to the metal shell or gland and shielded at both ends over 360 Degrees.

The shield should be terminated to an earth ground.

Card Edge Connectors are standard non-metallic. The cables used must be screened with 100% shield to comply with CE certification.

The shield should be terminated to an earth ground.

For pin configuration : Please refer to the enclosed Instruction Manual.

European Pressure Equipment Directive (PED)

European Electromagnetic Compatibility (EMC)

Essential Instructions

Read before proceeding!

Installation and Operation Manual

X-SE-0254-eng

Part Number: 541B129AAG

September, 2010

Model 0254

Dear Customer,

We appreciate this opportunity to service your flow measurement and control requirements with a Brooks

Instrument device. Every day, flow customers all over the world turn to Brooks Instrument for solutions to their

gas and liquid low-flow applications. Brooks provides an array of flow measurement and control products for

various industries from biopharmaceuticals, oil and gas, fuel cell research and chemicals, to medical devices,

analytical instrumentation, semiconductor manufacturing, and more.

The Brooks product you have just received is of the highest quality available, offering superior performance,

reliability and value to the user. It is designed with the ever changing process conditions, accuracy requirements

and hostile process environments in mind to provide you with a lifetime of dependable service.

We recommend that you read this manual in its entirety. Should you require any additional information concerning

Brooks products and services, please contact your local Brooks Sales and Service Office listed on the back cover

of this manual or visit www.BrooksInstrument.com

Yours sincerely,

Brooks Instrument

Installation and Operation Manual

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Part Number: 541B129AAG

September, 2010

Model 0254

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Contents

Installation and Operation Manual

X-SE-0254-eng

Part Number: 541B129AAG

September, 2010

Model 0254

Paragraph Page

Number Number

Section 1 Introduction

1-1 Description .................................................................................................................................1-1

1-1-1 Architecture................................................................................................................................ 1-1

1-1-2 Communication .......................................................................................................................... 1-1

1-1-3 Process Controls ....................................................................................................................... 1-1

1-1-4 Operator Controls and Indicators............................................................................................... 1-2

1-1-5 Diagnostic Capabilities...............................................................................................................1-2

1-2 Specifications ............................................................................................................................. 1-2

1-3 Signal Wiring.............................................................................................................................. 1-6

1-4 Optional Equipment ...................................................................................................................1-7

1-4-1 Mounting Kit Options..................................................................................................................1-7

1-4-2 Power Supply Output Voltage Options .......................................................................................1-7

1-4-3 Input/Output Signal Adapters ..................................................................................................... 1-7

Section 2 Installation

2-1 General ...................................................................................................................................... 2-1

2-2 Receipt of Equipment................................................................................................................. 2-1

2-3 Recommended Storage Practice ............................................................................................... 2-1

2-4 Return Shipment ........................................................................................................................ 2-2

2-5 Transit Precautions .................................................................................................................... 2-2

2-6 Removal from Storage ...............................................................................................................2-2

2-7 Ventilation and Mounting Requirements ....................................................................................2-2

2-8 Cleaning Instructions ................................................................................................................. 2-2

2-9 Cable Requirements ..................................................................................................................2-3

2-10 Installation Instructions .............................................................................................................. 2-3

2-10-1 Panel Mount Installation Instructions ......................................................................................... 2-3

2-10-2 Table Top Stand Assembly Instructions ...................................................................................... 2-5

2-10-3 Retrofit to Model 0152/0154 Table Top Housing ........................................................................2-6

2-10-4 19-in. Rack Assembly and Installation Instructions .................................................................... 2-7

Section 3 Operation

3-1 Home Screen ............................................................................................................................. 3-1

3-2 Operating Controls

.....................................................................................................................3-2

3-2-1 Primary Functions ......................................................................................................................3-2

3-2-2 Key Functions ............................................................................................................................3-3

3-3 Navigation ..................................................................................................................................3-4

3-3-1 Display or Instrument Configuration Screen Selection...............................................................3-5

3-3-2 User Interface Screen Map........................................................................................................ 3-6

3-4 Process Values (PV) and Setpoints (SP) ................................................................................... 3-7

3-4-1 PV-SP Measures and Status......................................................................................................3-7

3-4-2 PV-SP Configuration ..................................................................................................................3-8

3-4-3 Value Programming ................................................................................................................... 3-9

3-5 Global Settings.......................................................................................................................... 3-12

3-5-1 Global Information.....................................................................................................................3-12

3-5-2 Global System Power................................................................................................................ 3-13

3-5-3 Global Control Services ............................................................................................................ 3-14

3-5-4 Global Communication..............................................................................................................3-15

3-6 Instrument Configuration and Control ....................................................................................... 3-15

3-6-1 Rate (Setpoint) Control ............................................................................................................. 3-15

Model 0254

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Part Number: 541B129AAG

September, 2010

Paragraph Page

Number Number

3-6-2 PV Configuration ....................................................................................................................... 3-17

3-6-3 Batch Control ............................................................................................................................3-18

Appendix A Engineering Units

Available Engineering Units .......................................................................................................A-1

Appendix B Blending Examples

Examples 1 through 6 ................................................................................................................B-1

Appendix C Serial Communications Protocol

Contents

C-1 Overview ....................................................................................................................................C-1

C-2 Communication Settings.............................................................................................................C-1

C-2-1 RS-232 Port Settings..................................................................................................................C-1

C-2-2 Hyperterminal Setup ...................................................................................................................C-2

C-3 Serial Command Organization ....................................................................................................C-4

C-3-1 Command Structures ..................................................................................................................C-4

C-3-2 Command Addressing................................................................................................................. C-5

C-4 Command Operation ...................................................................................................................C-6

C-4-1 General Commands .................................................................................................................... C-6

C-4-1-1 Command Synchronize .............................................................................................................. C-6

C-4-1-2 Menu Command .........................................................................................................................C-6

C-4-1-3 View Programmed Channel Port Values .....................................................................................C-7

C-4-1-4 Identify Command .......................................................................................................................C-7

C-4-1-5 Message Serial Character Pacing Controls ................................................................................ C-8

C-4-1-6 Serial Message Error Control......................................................................................................C-9

C-4-2 Channel Input Port Commands .................................................................................................. C-10

C-4-2-1 Measured Channel Values Command ........................................................................................ C-10

C-4-2-2 Send Channel Input Port Programmed Values ........................................................................... C-11

C-4-2-3 Program Channel Input Port Values ........................................................................................... C-12

C-4-2-4 Clear Accumulated Values ......................................................................................................... C-12

C-4-3 Channel Output Port Control Commands ................................................................................... C-12

C-4-3-1 Channel Control Output Port Values .......................................................................................... C-12

C-4-3-2 Batch and Blend Control Commands ......................................................................................... C-13

C-4-4 Global Settings Services............................................................................................................ C-15

C-4-4-1 Global Setting V

alues ................................................................................................................C-15

C-4-4-2 Set Global Settings Values........................................................................................................ C-15

C-4-5 Communication Message Basics ..............................................................................................C-15

C-4-5-1 Message Structure .................................................................................................................... C-16

C-4-5-2 Message Format .......................................................................................................................C-16

C-5 Serial Value Programming ......................................................................................................... C-17

C-5-1 Read a Programmed Value ........................................................................................................C-17

C-5-2 Program a New Value ................................................................................................................C-18

C-5-3 Channel Input Port Values ......................................................................................................... C-19

C-5-4 Channel Output Port Values ...................................................................................................... C-21

C-5-5 Global Setting Values ................................................................................................................ C-22

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Contents

Installation and Operation Manual

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Part Number: 541B129AAG

September, 2010

Model 0254

Appendix D CE Certification

Essential Instructions .................................................................................................................D-1

Warranty, Local Sales/Service Contact Information...................................................................... Back Cover

Figures

Figure Page

Number Number

1-1 Model 0254 Signal Wiring ..........................................................................................................1-6

2-1 Panel Mount Cut-Out Dimensions ............................................................................................. 2-4

2-2 Table Top Stand Mount Installation ............................................................................................ 2-5

2-3 Power Supply Bracket and Bezel ............................................................................................... 2-8

2-4 Rack Installation.........................................................................................................................2-9

3-1 Home Screen.............................................................................................................................3-1

3-2 User Interface Screen Map ........................................................................................................ 3-6

Tables

Table Page

Number Number

3-1 Display Home Screen Fields......................................................................................................3-2

Model 0254

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1-1

Model 0254

Section 1 Introduction

Installation and Operation Manual

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Part Number: 541B129AAG

September, 2010

1-1 Description

The Brooks Model 0254 is a versatile full-featured measurement and

control process instrument, with precision multiple channel capabilities.

The architecture supports a wide range of operating capabilities organized

to meet the requirements of nearly any high-accuracy measurement and

control application.

This system suits applications requiring advanced multiple channel

operation. It provides control services including rate, batch, and

proportional blending.

The system is all digital, based on microcomputer technology. There is no

power switch to be left off, no feature selection switches or jumpers, and

no analog trimming potentiometers.

It employs surface mount technology and incorporates floating-point digital

signal processing arithmetic. Built-in test capabilities enable simple

installation, and extensive self-tests ensures long-term operating reliability.

The rugged package is modular, providing an ideal solution for use in

demanding applications and tough environments. Options are available for

panel mount, rack mount, and desktop.

1-1-1 Architecture

The system is built on the basics of a multiple-port based architecture,

modularly organized, which are combined as channels, able to meet

present and future instrumentation requirements.

Channels provide for value measurements and quantity accumulation, rate

measurements, scalar measurements, supported by value scaling for

process voltage and current process signals. Signal acquisition uses digital

signal processing rejecting ambient noise and interference.

1-1-2 Communication

The communication facilities provide for data acquisition, command, and

control functions, supporting configuration programming and information

gathering.

1-1-3 Process Controls

Totalizer, batch, and proportional blending are readily achieved using the

front panel key controls or serial commands.

1-2

Model 0254

Section 1 Introduction

Installation and Operation Manual

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Part Number: 541B129AAG

September, 2010

1-1-4 Operator Controls and Indicators

Operation may be completely controlled from its integral eight-key pad

used to view operation and programmed operating values. Key activations

are single touch with hold-and-repeat capability. The front panel key pad

provides splash proofing and environment protection.

The 0254 primary indicator is its large back lit liquid crystal graphic display

- visible at a distance even in low light conditions - to view values, support

programming operations, and indicate process state information. A user-

selectable audio indicator annunciates key activations.

1-1-5 Diagnostic Capabilities

Powerful automatic diagnostics support easy installation and ensure a

trouble-free operating life. Tests include memory facility scans, channel

input-output status, and communication status.

1-2 Specifications

Programmable Control and Measurement Functions

Four independent channels.

Rate, Batch, Blend, Measure: 0.000 to 999999

Blend Ratio Percent: 0.000 to 999.999

Totalizer: 0.000 to 19,999,999,999

Gas Correction Factor: 0.000 to 999.999

Measurement Engineering Units: Refer to Appendix A.

Time Base: day, hrs, min, sec, none

Decimal Point : X. to X.XXX

Valve Override: Normal, Open, Closed

Input and Output Signal Selection: Volts or mA, independent, mix or match

Input and Output Full Scale Setting: Independent, 0.000 to 999,999

Setpoint Source: Keypad or RS232

1-3

Model 0254

Section 1 Introduction

Installation and Operation Manual

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Part Number: 541B129AAG

September, 2010

Measurement and Setpoint Accuracy

0.090% of Full Scale

Electrical Specifications

Input Electrical Characteristics

Voltage Input: 0–5, 0-10, 1–5, 2–10 V

Volts Input Impedance: 10 K Ohms

Current Input: 0–20, 4–20 mA

Current Input Impedance: 100 Ohms

Output Electrical Characteristics

Voltage Output: 0–5, 0–10, 1–5, 2–10 V

Voltage Output Load: 2 K Ohms minimum

Current Output: 0–20, 4–20 mA

Current Output Load: 0–375 Ohms

Voltage Compensation

Voltage I/O signals are compensated to correct for voltage drop in the power

return circuit of the attached wiring

Valve Override (VOR) Output

Normal: Open circuit

Open: 8.0 V @ 4 mA

Closed: –4.0 V @ 4 mA

Channel Connectors (4)

15-pin female D

Provides signal and power to connected devices

Serial Port

EIA-TIA232D full duplex D9S Load 4.7 K max

Baud Rate = 9600

1-4

Model 0254

Section 1 Introduction

Installation and Operation Manual

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Part Number: 541B129AAG

September, 2010

Power for Model 0254 and Connected Equipment

Power Supply Requirements

Required: 12–24 Vdc, 2 Amps

Additional permitted: –15 Vdc, 1 Amp DC +/- 5%

Supply voltage flucuations up to +/- 10%

Max current draw per channel : 400 mA

Instrument power draw: 0.8 W

Power Connector: 9-pin female D, 5 A rated

Optional Power Supply Modules (available from Brooks)

• +15 Vdc/2 A, –15 Vdc/1 A, 100–240 Vac, 47–63 Hz

• +24 Vdc/2.5 A, 100–240 Vac, 47–63 Hz

Graphic Display

8-line x 40-character LCD display with backlight

Programmable Display Configuration

Two lines per channel

Line 1, Process Variable: Rate, Total, or Signal

Line 2, Setpoint: Rate, Batch, Blend, or Signal

Off: Unused individual lines can be turned off

Keypad/Display Window

8-Key Metal Dome Tactile with Selectable Audio Beep

Construction: Splash proof and chemically resistant

Hot Keys for Instant Access: Setpoint (rate, batch, blend), VOR,

Emergency Stop

Key Functionality: Full operation and programming capability (refer to

Figure 3-2 on p. 3-6)

Global Settings

Settings applied to all four channels

Information

Version/Check Sum: Factory-installed firmware information

Factory Setting: Allows reset of all channels to factory configuration

System Power

Key selectable power down, power up

1-5

Model 0254

Section 1 Introduction

Installation and Operation Manual

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Part Number: 541B129AAG

September, 2010

Control Service Settings

Audio Beep: Selectable audible keystroke, 2 kHz

Leading Zero Suppress: Selectable leading zero suppression on display

Power Setpoint Clear: Selectable memory retention for Setpoint/VOR

Network Address

Unique factory set identifier

Environment

Temperature/Humidity

Operating: 32 to 122°F (0 to 50°C); 0 to 95% non-condensing

Ship Storage: –40 to 185°F (–40 to 85°C); 0 to 95% non-condensing

Warm-up

15 min typ to rated accuracy

Data Reliability

Data Retention: Non-volatile RAM/ROM, 100 year retention

Self-Diagnostics: On power up, memory checksum, communications,

system status, display and keypad operation

Enclosure

Material: ABS Cycolac Resin FR23

Weight: 1.4 lbs (635 g)

Panel Cut-Out: 7.67 x 4.275 in., 0.125 in. radius maximum

(194.8 x 108.6 m, 3.2 m radius maximum); 0.25 in. (6.35 mm) maximum

panel thickness with optional panel mount kit

Certifications

CE Mark: EN61326-1

FCC: Part 15 Class A, Part 68

RoHS: EPD 2002/95/EC, 01Jul2006

UL: UL 61010 Electrical Safety for General Purpose

Indoor Use;

Altitude up to 2000 m;

RATED POLLUTION Degree 2

1-6

Model 0254

Section 1 Introduction

Installation and Operation Manual

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Part Number: 541B129AAG

September, 2010

Mounting Options

Panel Mount Kit: Brackets accept panel thickness up to 0.25 in. (6.35 mm)

Table Top Kit: Weighted base with fixed tilt for easy viewing

Rack Mount Kit: Hardware for mounting the Model 0254 and optional power

supply into 19-in. sub-rack.

Rack Mount Kit with 19-in. sub-rack: 19-in. sub-rack included with Rack

Mount Kit

Retrofit Applications, Model 0152/0154: Rack Mount Kit will adapt the

Model 0254 and power supply to the table top enclosure used for the

Model 0152/0154

Communications

Full communications capability for remote readout setpoint, control,

programming, and data acquisition

1-3 Signal Wiring

Figure 1-1 Model 0254 Signal Wiring

NOTES:

1) The following nodes are directly connected inside the 0254:

Pin 12 (COM PWR) of each DA15S channel

Pin 5 (GND) of the SERIAL PORT connector

Pins 1,2 and 6 (GND) of the +12-24 Vdc 9-Pin SUB D connector

All hex shield screwlocks for all SUB-D connectors

2) For each DA15S channel, Pins 6 (CMD RTN) and 8 (RATE RTN) are directly connected,

are connected via approximately 10KΩ to Pin 12 (COM PWR)

Pins 6 and 8 are not directly connected between channels

3) For all connectors, all unlisted pins are not internally connected

1-7

Model 0254

Section 1 Introduction

Installation and Operation Manual

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Part Number: 541B129AAG

September, 2010

1-4 Optional Equipment

1-4-1 Mounting Kit Options

The Model 0254 can be mounted using the following kits:

• Panel Mount Kit

• Table Top Kit

• Rack Mount Kit

• Rack Mount Kit with 19-in. Rack

1-4-2 Power Supply Options

The Model 0254 supports the following power supply options:

• Factory supplied: +15 Vdc/2 A, –15 Vdc/1 A, 100–240 Vac, 47–63 Hz

• Factory supplied: +24 Vdc/2.5 A, 100–240 Vac, 47–63 Hz

• User supplied: 12–24 Vdc into 9-pin D connector, 5 A rated

1-4-3 Input/Output Pin-Out Adapters

The Model 0254 has four 15-pin female D-channel connectors. The pin

configuration is compatible with standard Brooks 0(4)-20 mA cables.

An optional pin-out adapter kit with four adapters is available for use with

Brooks 0(1)-5 Vdc cables.

1-8

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Section 1 Introduction

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2-1

Model 0254

Section 2 InstallationInstallation and Operation Manual

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Part Number: 541B129AAG

September, 2010

2-1 General

This section provides installation instructions for the Model 0254 Gas and

Liquid Mass Flow Secondary Electronics device.

2-2 Receipt of Equipment

When the instrument is received, the outside packing case should be

checked for damage incurred during shipment. If the packing case is

damaged, the local carrier should be notified at once regarding his liability.

A report should be submitted to your nearest Product Service Department.

Brooks Instrument

407 W. Vine Street

P.O. Box 903

Hatfield, PA 19440 USA

Toll Free (888) 554 FLOW (3569)

Tel (215) 362 3700

Fax (215) 362 3745

E-mail: BrooksAm@BrooksInstrument.com

www.BrooksInstrument.com

Brooks Instrument Brooks Instrument

Neonstraat 3 1-4-4 Kitasuna Koto-Ku

6718 WX Ede, Netherlands Tokyo, 136-0073 Japan

P.O. Box 428 Tel +81 (0) 3 5633 7100

6710 BK Ede, Netherlands Fax +81 (0) 3 5633 7101

Tel +31 (0) 318 549 300 Email: BrooksAs@BrooksInstrument.com

Fax +31 (0) 318 549 309

E-mail: BrooksEu@BrooksInstrument.com

Remove the envelope containing the packing list. Carefully remove the

instrument from the packing case. Make sure spare parts are not

discarded with the packing materials. Inspect for damaged or missing

parts.

2-3 Recommended Storage Practice

If intermediate or long-term storage of equipment is required, it is

recommended that the equipment be stored in accordance with the

following:

• Within the original shipping container.

• Stored in a sheltered area, preferably a warm, dry, heated warehouse.

• –40 to 185°F (–40 to 85°C); 0 to 95% non-condensing.

• Upon removal from storage, a visual inspection should be conducted to

verify the condition of equipment is "as received".

2-2

Model 0254

Section 2 Installation Installation and Operation Manual

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Part Number: 541B129AAG

September, 2010

2-4 Return Shipment

Prior to returning any instrument to the factory, contact your nearest Brooks

location for a Return Materials Authorization Number (RMA#). This can be

obtained from one of the following locations:

Brooks Instrument

407 W. Vine Street

P.O. Box 903

Hatfield, PA 19440 USA

Toll Free (888) 554 FLOW (3569)

Tel (215) 362 3700

Fax (215) 362 3745

E-mail: BrooksAm@BrooksInstrument.com

www.BrooksInstrument.com

Brooks Instrument Brooks Instrument

Neonstraat 3 1-4-4 Kitasuna Koto-Ku

6718 WX Ede, Netherlands Tokyo, 136-0073 Japan

P.O. Box 428 Tel +81 (0) 3 5633 7100

6710 BK Ede, Netherlands Fax +81 (0) 3 5633 7101

Tel +31 (0) 318 549 300 Email: BrooksAs@BrooksInstrument.com

Fax +31 (0) 318 549 309

E-mail: BrooksEu@BrooksInstrument.com

2-5 Transit Precautions

To safeguard against damage during transit, transport the instrument to the

installation site in the same container used for transportation from the

factory if circumstances permit.

2-6 Removal from Storage

Upon removal from storage, a visual inspection should be conducted to

verify the condition of the equipment is “as received.”

2-7 Ventilation and Mounting Requirements

Because of the low power consumption of the Model 0254, it does not

have ventilation requirements. However, the ambient temperature

surrounding the Model 0254 should not exeed 122°F (50°C). The optional

power supply modules are also ventilation-free and limited to an ambient

temperature of 122°F (50°C).

2-8 Cleaning Instructions

Do not use cleaning agents other than water because this might affect

color and marking of the equipment.

Use a clean, soft and damp cloth for cleaning.

2-3

Model 0254

Section 2 InstallationInstallation and Operation Manual

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Part Number: 541B129AAG

September, 2010

2-9 Cable Requirements

For compliance with the EMC directive 89/336/EEC, the equipment has to

be installed with shielded signal cables which are overall completely

screened with a shield of at least 80%. Sub-D connectors used must be

shielded with a metal shield. The cable screen should be connected to the

metal shell and shielded at both ends over 360°. The shield should be

terminated to earth ground.

The optional power supplies available from Brooks are always supplied

with a power cord that meets all agency certifications and has a protective

conductor for grounding purposes. Any replacement cords must have

similar construction and be certified by a recognized nartional test

laboratory.

2-10 Installation Instructions

Do not use cleaning agents other than water because this might affect

color and marking of the equipment.

2-10-1 Panel Mount Installation Instructions

1. Cut a hole according to the cut-out dimensions shown in Figure 2-1 on

p. 2-4.

2. Pass the Model 0254 enclosure through the cut-out.

3. Position one of the two brackets included in the Panel Mount kit on the

side of the enclosure, while aligning the two holes at the top and bottom

of the bracket flange with the holes at the corners of the back of the

enclosure. Secure the bracket to the enclosure with two of the screws

provided in the kit.

Do not over-tighten these attachment screws.

CAUTION

!

4. Secure the second bracket to the other side of the enclosure.

5. Tighten the panel mounting screws in the middle of both brackets to

secure the enclosure to the panel.

Do not over-tighten these attachment screws.

CAUTION

!

6. Connect the power supply cable with the D-connector to the power

connector on the back of the enclosure.

7. Connect the power supply AC cord to a power outlet.

8. Connect the cables to the RS-232 and Channel connectors, as

approprate for the application.

2-4

Model 0254

Section 2 Installation Installation and Operation Manual

X-SE-0254-eng

Part Number: 541B129AAG

September, 2010

Figure 2-1 Panel Mount Cut-Out Dimensions

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Brooks 0254 Kasutusjuhend

Brooks 0254 Kasutusjuhend

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