ATI Technologies Q46F/82 Bedienungsanleitung

O & M Manual

Model Q46F/82

Direct Fluoride Monitor

Home Office European Office

Analytical Technology, Inc. ATI (UK) Limited

6 Iron Bridge Drive Unit 1 & 2 Gatehead Business Park

Collegeville, PA 19426 Delph New Road, Delph

Phone: 800-959-0299 Saddleworth OL3 5DE

610-917-0991 Phone: +44 (0)1457-873-318

Fax: 610-917-0992 Fax: + 44 (0)1457-874-468

Email: [email protected]om Email: [email protected]

O&M Manual

Rev-G (11/18)

Table of Contents

PART 1 - INTRODUCTION..................................4

1.1 General.......................................................4

1.2 Q46F/82 System Specifications.................6

1.3 Q46F/82 Performance Specifications ........7

PART 2 –MECHANICAL INSTALLATION......8

2.1 General.......................................................8

2.2 Wall Mount Bracket ..................................9

2.3 Panel Mount, AC Powered Monitor ........11

2.4 Flowcell Mounting...................................12

2.5Fluoride Sensor........................................13

PART 3 –ELECTRICAL INSTALLATION......14

3.1 General.....................................................14

3.3 Q46F Sensor Wiring................................16

3.4 Relay Wiring............................................17

3.5 Low Power Relay Connection .................17

PART 4 –CONFIGURATION.............................18

4.1 User Interface...........................................18

4.11 Keys.....................................................19

4.12 Display.................................................19

4.2 Software...................................................20

4.21 Software Navigation...........................21

4.22 Measure Menu [MEASURE]...............23

4.23 Calibration Menu [CAL] .......................24

4.24 Configuration Menu [CONFIG] .........24

4.25 Control Menu [CONTROL] ...............26

4.26 Diagnostics Menu [DIAG].....................30

PART 5 –CALIBRATION...................................33

5.1 Calibration ...............................................33

5.11 Slope Adjustment.................................33

5.12 Single Point Calibration.......................34

5.2 Temperature Calibration..........................34

PART 6 –PID CONTROLLER DETAILS.........36

6.1 PID Description.......................................36

6.2 PID Algorithm .........................................36

6.3 Classical PID Tuning...............................38

6.4 Manual PID Override Control .................38

6.5 Common PID Pitfalls...............................38

PART 7 –SYSTEM MAINTENANCE ...............40

7.1 General.....................................................40

7.2 Analyzer Maintenance.............................40

7.3 Sensor Maintenance.................................40

PART 8 –TROUBLESHOOTING ......................41

8.1 General.....................................................41

8.2 External Sources of Problems..................41

8.3 Analyzer Tests .........................................41

8.4 Display Messages ....................................42

SPARE PARTS......................................................43

O&M Manual

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Table of Figures

FIGURE 1–TYPICAL FLUORIDE MONITORING SYSTEM.......................................................................................5

FIGURE 2-Q46F ENCLOSURE DIMENSIONS .....................................................................................................9

FIGURE 3-WALL OR PIPE MOUNT BRACKET .....................................................................................................9

FIGURE 4-WALL MOUNTING DIAGRAM...........................................................................................................10

FIGURE 5-PIPE MOUNTING DIAGRAM ............................................................................................................10

FIGURE 6-PANEL MOUNT CUT-OUT ..............................................................................................................11

FIGURE 7-FLUORIDE FLOWCELL ...................................................................................................................12

FIGURE 8-FLUORIDE SENSOR.......................................................................................................................13

FIGURE 9-LINE POWER CONNECTION............................................................................................................15

FIGURE 10 -SENSOR AND CONTROL CONNECTION .........................................................................................16

FIGURE 11 -RELAY CONTACTS......................................................................................................................17

FIGURE 12 -USER INTERFACE .......................................................................................................................18

FIGURE 13 -SOFTWARE MAP.........................................................................................................................22

FIGURE 14 -CONTROL RELAY EXAMPLE.........................................................................................................29

FIGURE 15 -ALARM RELAY EXAMPLE.............................................................................................................29

FIGURE 16 -Q46 ISA PID EQUATION.............................................................................................................36

FIGURE 17 -Q46 DISPLAY MESSAGES ...........................................................................................................42

O&M Manual

Rev-G (11/18)

Part 1 - Introduction

1.1 General

The Q46F/82 Direct Fluoride System is an on-line monitoring system designed for the continuous

measurement of fluoride ion in solution. The system is designed to measure fluoride ion directly

without the use of chemical buffers and is suitable for potable water systems with stable pH and

conductivity. It is especially useful for applications where the use of chemicals is undesirable.

The full scale operating range of the system may be selected by the user for 0-20.00 PPM, 0-

200.0 PPM, or 0-2000 PPM. The analog output signal may be spanned for smaller ranges within

the overall operating ranges. Because water is flowing through the flowcell at a low rate, this unit

cannot be exposed to temperatures below 0C.

The basic sensing element used in the monitor is a fluoride ion selective electrode (ISE). This

sensor contains a lanthanum fluoride crystal that generates a voltage proportional to the activity

of fluoride ion in solution. A silver/silver chloride reference electrode contained in the same

sensor body provides the second half of the measurement cell. Because ISE electrodes respond

to activity rather than concentration, the response is slightly affected by changes in sample pH

and conductivity, but these effects are quite small on samples from relatively stable water sources

such as well water.

The fluoride monitoring system includes 2 parts, an electronic display unit (panel or wall mount)

and a sensor/flowcell assembly. A typical fluoride system installation is shown in Figure 1. The

measured fluoride concentration is displayed on a backlit LCD on the front of the instrument. Two

4-20 mA outputs are provided for recording or data logging of fluoride concentration and

temperature. Alarm contacts are also standard in the electronic package and may be used either

for simple control schemes or for signaling operators of abnormal operating conditions.

ATI Q46F/82 Direct Fluoride Monitor Part 1 –Introduction

O&M Manual

Rev-G (11/18)

Figure 1 –Typical Fluoride Monitoring System

ATI Q46F/82 Direct Fluoride Monitor Part 1 –Introduction

O&M Manual

Rev-G (11/18)

1.2 Q46F/82 System Specifications

Displayed Parameters Main input, 0.01 ppm to 2000 ppm dissolved fluoride

Sensor mV

Sample Temperature

Loop current, 4.00 to 20.00 mA

Sensor slope & zero offset

Model number and software version

PID Controller Status

Main Parameter Ranges Manual selection of one of the following ranges,

0.00 to 20.00 ppm

0.0 to 200.0 ppm

0 to 2000 ppm

Display 0.75” (19.1 mm) high 4-digit main display with sign

12-digit secondary display, 0.3" (7.6 mm) 5x7 dot matrix.

Integral LED back-light for visibility in the dark.

Ambient Temperature Analyzer Service, 5 to 40°C (41 to 104ºF)

Storage, -5 to 70°C (-22 to 158ºF)

Ambient Humidity 0 to 95%, non-condensing.

EMI/RFI Influence Designed to EN 61326-1

Output Isolation 600 V galvanic isolation

Filter Adjustable 0-9.9 minutes additional damping to 90% step input

Sensor Combination F-/ Reference Ion Selective Electrode

Sensor Materials Glass, Lanthanum Fluoride, Ryton

Interconnect Cable 10 ft. (6.15 meter) standard

Q46F Power: 100-240 VAC ±10%, 50/60 Hz

Optional: 12-24 VDC

Q46F Enclosure: NEMA 4X, IP66, polycarbonate, stainless steel hardware

HWD: 4.9" (124 mm) x 4.9" (124 mm) x 5.5" (139 mm)

Flammability rating: UL 94 V-0

Mounting Options Wall mount bracket standard.

Panel mount adapter optional for Q46F Only

Relays, Electromechanical Three SPDT, 6 amp @ 250 VAC, 5 amp @ 24 VDC contacts.

Software selection for setpoint, phase, delay, deadband, hi-lo

alarm, and failsafe. A-B indicators on main LCD.

Low Power Relays: Three SPST, 1 amp @ 24 VDC. Software selection for

setpoint, phase, delay, deadband, hi-lo alarm, and failsafe.

ATI Q46F/82 Direct Fluoride Monitor Part 1 –Introduction

O&M Manual

Rev-G (11/18)

Analog Outputs Two 4-20 mA outputs. Output one programmable for PPM F-or

PID. Output 2 programmable for PPM or temperature.

Maximum load 500 Ohms for each output. Outputs ground

isolated and isolated from each other.

Digital Communications Profibus-DP, Modbus-RTU. More versions pending.

(Optional) See Q46 Digital Communications Manual for Specifications.

Sample Flowrate 1 GPH Minimum (60 ml/min.)

5 GPH Maximum (315 ml/min.)

Weight 4 lbs. (1.8 Kg.)

1.3 Q46F/82 Performance Specifications

Accuracy +/- 0.1 PPM or 0.2% of selected range

Repeatability +/- 0.05 PPM or 0.1% of selected range

Sensitivity 0.01 PPM

Non-linearity 0.2% of selected range

Warm-up Time 3 seconds to rated performance (electronics only)

Sensor requires 1 hour stabilization at start-up

Supply Voltage Effects ± 0.05% span

Instrument Response Time 60 seconds to 90% of step input at lowest damping

Equipment bearing this marking may not be discarded by traditional methods in the

European community after August 12 2005 per EU Directive 2002/96/EC. End

users must return old equipment to the manufacturer for proper disposal.

O&M Manual

Rev-G (11/18)

Part 2 – Mechanical Installation

2.1 General

Mechanical installation of a Q46F/82 fluoride system involves mounting of the Q46F electronic

assembly, mounting of the sample flowcell, and connection of sample and drain tubing. If the

optional panel assembly has been supplied, the system comes assembled with flow controls to

allow operators to properly adjust sample flow to a low value.

Proper planning of the installation will benefit operation and maintenance of the system. Here are

a few considerations

1. Locate the Q46F electronics where personnel can easily access the front panel control

keys. Calibration of the system requires access to these controls.

2. Locate the flowcell high enough above the floor so that servicing of the sensor is not

difficult. Sensors normally require inspection and cleaning every 3-6 months.

3. Water sample and drain lines connect to the flowcell using ¼” O.D. tubing supplied with

the unit. A ¼” MNPT to tubing adapter is supplied for connection to the customer piping.

The drain should be directed to an unpressurized drain near the flowcell. A check valve

on the outlet side of the flowcell serves as a vacuum breaker to avoid pulling a vacuum

on the flowcell.

The Q46F monitor is wall mounted using a PVC plate supplied with the unit. The bracket kit

contains 4 screws for attaching the plate to the back of the enclosure. A paper template is

supplied to ease of locating anchors in the wall.

ATI Q46F/82 Direct Fluoride Monitor Part 2 –Mechanical Installation

O&M Manual

Rev-G (11/18)

Figure 2 - Q46F Enclosure Dimensions

2.2 Wall Mount Bracket

A PVC mounting bracket with attachment screws is supplied with each transmitter (see Figure 3

for dimensions). The multi-purpose bracket is attached to the rear of the enclosure using the four

flat head screws. The instrument is then attached to the wall using the four outer mounting holes

in the bracket. These holes are slotted to accommodate two sizes of u-bolt that may be used to

pipe mount the unit. Slots will accommodate u-bolts designed for 1½ “or 2” pipe. The actual

center to center dimensions for the u-bolts are shown in the drawing. Note that these slots are for

u-bolts with ¼-20 threads. The 1½” pipe u-bolt (2” I.D. clearance) is available from ATI in type

304 stainless steel under part number 47-0005

Figure 3 - Wall or Pipe mount Bracket

ATI Q46F/82 Direct Fluoride Monitor Part 2 –Mechanical Installation

O&M Manual

Rev-G (11/18)

Figure 4 - Wall Mounting Diagram

Figure 5 - Pipe Mounting Diagram

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