Halma ALICAT SCIENTIFIC LC Manuel utilisateur

OPERATING MANUAL

for LIQUID FLOW

CONTROLLERS

Models LC · LCR · LCS · LCRS

2 Introduction

Thank you for purchasing your liquid controller.

Contact Information

Alicat Scientiﬁc World Headquarters

7641 N Business Park Dr., Tucson, AZ 85743 USA

[email protected]om • alicat.com • +1 888-290-6060

India

india@alicat.com

Halma India Pvt. Ltd.

Plot NO. A-147, Road No. 24,

Next to Spraytech Circle

opp. Metropolitan Company,

Wagle Industrial Estate

Thane-West

MAHĀRĀSHTRA 400 604

India

+1 888-290-6060

China & SE Asia

info-cn@alicat.com

alicat.com.cn

2nd Floor, Block 63, No. 421,

Hong Cao Rd,

Shanghai 200233

PRC

+86-21-60407398 ext. 801

Europe

[email protected]om

Geograaf 24

6921 EW Duiven

The Netherlands

+31 (0) 26 203.1651

Recalibrate your ﬂow controller every year.

Annual calibration is required to ensure the continued certainty of readings

and to extend the Limited Lifetime Warranty. Fill out the Service Request

Form at alicat.com/service,or contact us directly.

Serial #: Next Calibration:

This device comes with a NIST

traceable calibration certiﬁcate.

This device conforms to the European

Union’s Restriction of Use of Hazardous

Substances in Electrical and Electronic

Equipment (RoHS) Directive 2011/65/EU.

This device complies with the requirements

of the Low Voltage Directive 2014/35/EU and

the EMC Directive 2014/30/EU and carries

the CE Marking accordingly.

This device complies with the requirements of the

European Union’s Waste Electrical & Electronic

Equipment (WEEE) Directive 2002/96/EC

Rev. 0 • LIQUID FLOW CONTROLLER operating manual

LIQUID FLOW CONTROLLER operating manual 3

Introduction

Your new ﬂow controller has a variety of innovative features:

• 1000 readings per second ensures high resolution data.

• Monitor pressure and temperature during ﬂow measurement.

View internal stream gauge pressure and temperature.

• Backlit display with adjustable contrast is easy to read in

direct sunlight. In dimly lit areas, press the bottom-center

logo to turn on the backlight (see page 20).

• Log data to your PC. Talk to the ﬂow controller over

a serial data connection to capture all ﬂow data, for

logging and analysis purposes (see page 30).

This manual covers the following instruments:

• Liquid ﬂow controllers

• Flow controllers for aggressive liquids

• Devices labeled as approved for CSA Class 1 Div 2 and ATEX Class

1 Zone 2 hazardous environments. See page 47 for special

conditions regarding the use of CSA/ATEX labeled devices.

Using Laminar Liquid Flow Devices

THE DEVICE IS CONFIGURED FOR ONE TYPE OF LIQUID,

AND MUST USE ONLY THAT LIQUID TO FUNCTION PROPERLY.

By default, liquid devices are conﬁgured only for use with pure water,

such as distilled, de-ionized, Type I (Ultrapure), Type II, and Type III. If

the device was speciﬁcally engineered for use with a dierent liquid, any

other liquid will produce incorrect readings. Contact support (previous

page) with any questions.

Ensure minimal contaminants or liquid variations. For water devices, DO

NOT use tap water or water with any biological components, minerals, or

oils. Any of these substances will aect the viscosity of the liquid, creating

ﬂow measurement inaccuracies. More importantly, these impurities

will quickly build up in the laminar flow zone, cause corrosion, and

degrade the measurement accuracy of the device.

4 Table of Contents

Contents

Introduction 3

Using Laminar Liquid Flow Devices 3

Getting Started 6

The Flow Controller Display 7

Status Messages 7

Mounting 8

Process Ports 8

Filters 8

Operating Pressure 9

Bleed Ports 9

Power and Signal Connections 10

RS-232 or RS-485 Digital Signals 11

Engineering Units 12

Option: Collecting Totalized Flow Data 13

Dispensing Liquid in Batches 14

Option: Color TFT Display 16

Navigation & Customization 17

Main Menu 17

Taring Your Flow Controller 17

Basic Conﬁguration Menu 18

Engineering Units 18

Advanced Setup 19

Display Setup 20

Control Menus 21

Changing the Setpoint 21

Using Setpoint Ramping 22

Changing Between Setpoint Sources 23

Changing the Control Loop Variable 23

Establishing Setpoint Limits 24

Enabling the Setpoint Ramping Function 25

Enabling Setpoint Ramping Overrides 25

Limiting Flow Rate While Controlling Pressure 26

Adjusting the Closed Loop Controller 27

Device Information 29

Diagnostic Information 29

LIQUID FLOW CONTROLLER operating manual 5

Contents Serial Communication 30

Conﬁguring Serial Communications 30

Establishing Communication 31

Polling Mode 32

Streaming Mode 32

Taring 33

Collecting Flow Data 33

Commanding a New Setpoint 34

Sending Setpoints as Floating Point Numbers 34

Sending Setpoints as Integers 34

Quick Command Guide 35

Troubleshooting 36

Maintenance 39

Cleaning 39

Recalibration 39

Engineering Units 40

Flow Units 40

Totalizer Units 40

True Mass Units 40

Time Units 40

Temperature Units 40

Pressure Units 41

Pinouts 42

8-Pin Mini-DIN (Default) 42

Locking Industrial Connector Pinout 43

9-pin D-Sub Connector Pinouts 44

M12 Connector Pinouts 45

15-Pin D-Sub Connector Pinouts 46

Additional Information for

CSA and ATEX Approved Devices 47

Limited Lifetime Warranty 48

6 Getting Started

Getting Started

Getting to Know Your Liquid Flow Controller

Connectors and Buttons

The drawings below represent a typical conﬁguration of a liquid ﬂow

controller. Your device’s appearance and connections may differ.

+0.00

+0.00 +22.73

CCM MENU

PSIG ¤C SETPT

+0.00

Volu Flow

CCM

Water

+0.00

I/O Port

(shape varies)

Light

Switch

Controls Valve

Display

Flow

Body

Process

Connections

Mounting

Holes

Bleed

Ports

LIQUID FLOW CONTROLLER operating manual 7

The Flow Controller Display

The ﬁgure below identiﬁes the various features of the main ﬂow controller

display. Press the button behind the Alicat logo to toggle the backlight

on and o.

Live data is measured 1000 times per second and typically displayed 10

times per second on the device LCD screen.

Engineering units are used by the controller in its serial communications

and calculations. These can be dierent from button units, which are the

units being displayed. These are individually conﬁgurable (see page 12).

Highlights pressure in the center of

the controller. Push a second time

to choose the pressure parameter

(if available), or to select pressure

engineering units (page 12).

Highlights temperature. Push a

second time to select temperature

engineering units (page 12).

SETPT sets the ﬂow or pressure

control setpoint (see page 21).

Highlights volumetric ﬂow rate.

Push a second time to select

volumetric ﬂow rate engineering units (page 12).

TOTAL/MENU accesses the optional ﬂow totalizer (page 13).

MENU enters the menu system (page 17).

Toggles the backlight. See more display options on page 20.

Status Messages

ADC Analog-digital converter error

EXH Exhaust mode active

HLD Valve hold active

LCK Front display is locked

OVR Totalizer rolled over to zero

POV Pressure over range of device

TMF Totalizer missed out of range ﬂow

TOV Temperature over range of device

VOV

Volumetric ﬂow over range of device

Main Display

8 Getting Started

Mounting

All liquid controllers have mounting holes for convenient attachment to

ﬂat panels. No straight runs of pipe are required upstream or downstream.

Controllers are position insensitive and can be mounted in any orientation.

 If air bubbles are continuously introduced to the ﬂow upstream

of the device, the device may be mounted upside down to

prevent bubbles from being trapped in the pressure sensor

ports. Tare the device after changing its position or orientation.

! If the device has been installed upside down, avoid using the

bleed screws as liquid may leak into the electronics housing

causing permanent damage that is not covered under warranty!

▲Caution: Flow controllers that use large Rolamite valves should

be mounted with their valve oriented vertically (right-side up).

If another orientation is desired, please contact support.

Process Ports

Your ﬂow controller has been shipped with plastic plugs ﬁtted into its ports.

To lessen the chance of contaminating the ﬂow stream, do not remove

these plugs until you are ready to install the device.

Standard liquid ﬂow controllers have female inlet and outlet ports. Welded

VCR® and other specialty ﬁttings may have male connections.

• If you are using a ﬁtting without a face seal, use thread-sealing tape

to prevent leakage around the port threads, but do not wrap the

first two threads. This will minimize the possibility of getting tape

into the ﬂow stream and clogging the laminar ﬂow elements (LFE).

• If you are using a ﬁtting that has a face seal, there

is no need to apply tape to the threads.

• When changing ﬁttings, carefully clean the port threads.

! Warning: Do not use pipe dopes or sealants on the process

connections, as these compounds can cause permanent

damage to the controller should they get into the ﬂow stream.

Filters

When pressure drop is not an issue, use in-line sintered ﬁlters to prevent

large particulates from entering the ﬂow controller. Suggested maximum

particulate sizes are as follows:

≤100 ccm flow range: 20 microns >100 ccm flow range: 40 microns

 Avoiding long runs of small-diameter tubing upstream or

downstream of the device will reduce liquid hammer.

LIQUID FLOW CONTROLLER operating manual 9

Operating Pressure

Maximum operating line pressure is 100 . If the line pressure is higher

than 100 , use a pressure regulator upstream to reduce the pressure.

Maximum proof pressure is 200 ; above this pressure the device may

be permanently damaged.

! CAUTION! Exceeding the maximum speciﬁed line

pressure may cause permanent damage to the

solid-state dierential pressure transducer.

Bleed Ports

Liquid ﬂow controllers include bleed ports (8-32 Nylon tapped screw) on

the front for the removal of air bubbles.

 A small amount of liquid will leak from the device

during this procedure. Take necessary precautions

to prevent damage to anything nearby.

Bleed both of the ports as follows:

1. With the controller installed, and a >50% setpoint given,

gently loosen the upstream bleed port screw 1 or 2 turns,

or until liquid begins to leak from the threads. Do not

remove the screw, as it has pressure behind it, is very

small, is easy to lose, and is delicate to rethread.

2. Gently tapping the ﬂow body (screwdriver handles work well) will

bump air bubbles out, though it may not be visible or audible.

3. Gently tighten the screw until the leakage stops,

taking care not to crush the nylon tip.

 If your device is mounted in an inverted position, avoid using the

bleed screws as liquid may leak and cause permanent damage.

5⁄64″ 8-32 Nylon-tipped

hex bleed screw

Loosen to bleed liquid,

but do not remove

10 Getting Started

Power and Signal Connections

Power can be supplied to your controller through either the power jack

or the multi-pin connector on top of your device.

Controller power jacks require a 9–24 Vdc power supply with

a 2.1 mm female positive center plug capable of supplying

at least 250 mA, with an additional 40 mA for a color

display. 4–20 mA analog outputs require at least 12 Vdc and

290 mA, and 0–10 Vdc outputs require at least 12 Vdc.

 Large valve controllers (LCR models) require a 24

Vdc power supply with a 2.1 mm female positive

center plug capable of supplying at least 1 A.

Standard 8-Pin Mini-DIN Pinout

For 6-pin locking industrial connector, M12, DB9, and DB15 pinouts, see

or visit alicat.com/pinouts.

Pin Cable Color Function

1Black Not connected

Optional: 4–20 mA primary output signal

2Brown Static 5.12 Vdc

Optional: Secondary analog output

(4–20 mA, 0–5 Vdc, 1–5 Vdc, 0–10 Vdc) or basic alarm

3 Red Serial RS-232RX input signal

Optional: RS-485 A

4Orange Analog setpoint input

5Yellow Serial RS-232TX output signal

Optional: RS-485 B

6Green 0–5 Vdc

Optional: 1–5 Vdc or 0–10 Vdc) output signal

7Blue Power in (as described above)

8Purple Ground (common for power, digital communications,

analog signals, and alarms)

▲Caution: Do not connect power to pins 1 through 6. Permanent

damage can occur. Pin 2 (5.12 Vdc Output) is often mistaken

for the standard 0–5 Vdc analog output signal. Pin 2 is

normally a constant 5.12 Vdc that reﬂects system bus voltage.

678

876

Male Connector: CableFemale Connector: Device

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