Hach FL904 Basic User Manual

DOC026.98.80015

FL900 Series Flow Logger

06/2018, Edition 9

Basic User Manual

Basis-Benutzerhandbuch

Manuale di base per l'utente

Manuel d'utilisation de base

Manual básico del usuario

Manual Básico do Usuário

Grundläggande bruksanvisning

Temel Kullanım Kılavuzu

Osnovni uporabniški priročnik

Osnovni korisnički priručnik

English..............................................................................................................................3

Deutsch.......................................................................................................................... 27

Italiano............................................................................................................................ 54

Français......................................................................................................................... 79

Español........................................................................................................................ 105

Português.................................................................................................................... 131

Svenska....................................................................................................................... 156

Türkçe...........................................................................................................................181

Slovenski..................................................................................................................... 205

Hrvatski........................................................................................................................ 230

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Table of contents

Specifications on page 3 Basic setup on page 21

General information on page 4 Site installation on page 22

Apply power to the Logger on page 9 Maintenance on page 23

System startup on page 12 Troubleshooting on page 24

Program a unit equipped with a modem on page 15 Replacement parts and accessories on page 25

Modbus communication on page 20

Additional information

Additional information is available on the manufacturer's website.

Specifications

Specifications are subject to change without notice.

Specification Details

Dimensions (W x D x H) 25.4 x 22 x 40 cm (10.0 x 8.7 x 16.0 in.)

Enclosure PC/ABS structural foam

Environmental rating NEMA 6P/IP68 (24 hours at 1.8 m (6 ft) submersion)

Weight (model FL900) 4.5 kg (10 lb) with no batteries, 6.3 kg (14 lb) with 2 batteries and 8.2 kg (18 lb)

with 4 batteries

Operating temperature –18 to 60 ºC (0 to 140 ºF) at 95% RH

Storage temperature –40 to 60 ºC (–40 to 140 ºF)

Power requirements 8 to 18 VDC from batteries or external power source, 2.5 W max

Battery life Varies with sensor type, logging intervals, telemetry and environment.

For a 15 minute logging interval, with no modem, four 6 V lantern batteries at

room temperature:

• Flo-tote 3 sensor 306 days

• Area Velocity sensor with AV9000 Analyzer 296 days

• Flo-Dar sensor 185 days

• Ultrasonic sensor 456 days

Note: For longer deployments use with Long Life Battery, PN 8542900.

Installation category I

Protection class III

Pollution degree 4

Sensor ports 1, 2 or 4 ports

Connectors Stainless steel connectors

Datalog channels 16 maximum

Alarms Maximum of 16 channel alarms with high/high, high, low, low/low options.

System alarms include low battery, low RTC battery, low slate memory, slate

memory full, sensor time out, sensor ID.

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Specification Details

Alarm actions Start the sampler, change the log interval, change the call interval, send an e-

mail or a text message (SMS) from logger or server.

Note: SMS rates may apply. Not all alarm types may be available with all cellular carriers and

service plans.

Logging intervals 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30 or 60 minutes

Primary and secondary intervals for dynamic logging

Data storage Event log: 1000 events maximum in non-volatile flash memory

Sample history: 2000 sample events maximum in non-volatile flash memory

Datalog: 325,000 data points; 1128 days for 3 channels at 15-minute log

intervals

PC communication USB

RS232 (Baud rates: 9600, 19200, 38400, 57600, 115200)

Remote communication

(optional)

Wireless modem: 3G, 4G LTE (Verizon); 3G, 4G LTE, PTCRB (USA and

Canada)

Protocols Modbus RTU (RS232)

Mobile-Terminated SMS

Mobile-Originated SMS

Timebase accuracy ±0.002%, synchronized every 24 hours with server software and modem

Supported sensors Flo-Dar, Flo-Dar with SVS, Flo-Tote, Rain Gauge, Ultrasonic, Submerged Area

Velocity

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, Sigma 950

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Sampler interface Compatible with Sigma 900 Standard, Sigma 900 Max, Hach SD900 and

AS950 to support set point sampling, flow-pacing and sample history logging

Certifications Logger: CE

Optional AC power supply: UL/CSA standards (cETLus)/CE

Modems: FCC, IC, others may be available—contact the manufacturer for more

information.

Warranty 1 year

General information

In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential

damages resulting from any defect or omission in this manual. The manufacturer reserves the right to

make changes in this manual and the products it describes at any time, without notice or obligation.

Revised editions are found on the manufacturer’s website.

Safety information

N O T I C E

The manufacturer is not responsible for any damages due to misapplication or misuse of this product including,

without limitation, direct, incidental and consequential damages, and disclaims such damages to the full extent

permitted under applicable law. The user is solely responsible to identify critical application risks and install

appropriate mechanisms to protect processes during a possible equipment malfunction.

Please read this entire manual before unpacking, setting up or operating this equipment. Pay

attention to all danger and caution statements. Failure to do so could result in serious injury to the

operator or damage to the equipment.

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This device attaches through an external module.

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Make sure that the protection provided by this equipment is not impaired. Do not use or install this

equipment in any manner other than that specified in this manual.

Use of hazard information

D A N G E R

Indicates a potentially or imminently hazardous situation which, if not avoided, will result in death or serious injury.

W A R N I N G

Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death or serious

injury.

C A U T I O N

Indicates a potentially hazardous situation that may result in minor or moderate injury.

N O T I C E

Indicates a situation which, if not avoided, may cause damage to the instrument. Information that requires special

emphasis.

Precautionary labels

Read all labels and tags attached to the instrument. Personal injury or damage to the instrument

could occur if not observed. A symbol on the instrument is referenced in the manual with a

precautionary statement.

This is the safety alert symbol. Obey all safety messages that follow this symbol to avoid potential

injury. If on the instrument, refer to the instruction manual for operation or safety information.

This symbol indicates that a risk of electrical shock and/or electrocution exists.

This symbol indicates the presence of devices sensitive to Electro-static Discharge (ESD) and

indicates that care must be taken to prevent damage with the equipment.

This symbol indicates radio waves.

Electrical equipment marked with this symbol may not be disposed of in European domestic or public

disposal systems. Return old or end-of-life equipment to the manufacturer for disposal at no charge to

the user.

Confined space precautions

D A N G E R

Explosion hazard. Training in pre-entry testing, ventilation, entry procedures, evacuation/rescue

procedures and safety work practices is necessary before entering confined spaces.

The information that follows is supplied to help users understand the dangers and risks that are

associated with entry into confined spaces.

On April 15, 1993, OSHA's final ruling on CFR 1910.146, Permit Required Confined Spaces, became

law. This standard directly affects more than 250,000 industrial sites in the United States and was

created to protect the health and safety of workers in confined spaces.

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Definition of a confined space:

A confined space is any location or enclosure that has (or has the immediate potential for) one or

more of the following conditions:

• An atmosphere with an oxygen concentration that is less than 19.5% or more than 23.5% and/or a

hydrogen sulfide (H

2

S) concentration that is more than 10 ppm.

• An atmosphere that can be flammable or explosive due to gases, vapors, mists, dusts or fibers.

• Toxic materials which upon contact or inhalation can cause injury, impairment of health or death.

Confined spaces are not designed for human occupancy. Confined spaces have a restricted entry

and contain known or potential hazards. Examples of confined spaces include manholes, stacks,

pipes, vats, switch vaults and other similar locations.

Standard safety procedures must always be obeyed before entry into confined spaces and/or

locations where hazardous gases, vapors, mists, dusts or fibers can be present. Before entry into a

confined space, find and read all procedures that are related to confined space entry.

Certification

Canadian Radio Interference-Causing Equipment Regulation, IECS-003, Class A:

Supporting test records reside with the manufacturer.

This Class A digital apparatus meets all requirements of the Canadian Interference-Causing

Equipment Regulations: CAN ICES-3(A)/NMB-3(A).

Cet appareil numérique de classe A répond à toutes les exigences de la réglementation canadienne

sur les équipements provoquant des interférences.

FCC Part 15, Class "A" Limits

Supporting test records reside with the manufacturer. The device complies with Part 15 of the FCC

Rules. Operation is subject to the following conditions:

1. The equipment may not cause harmful interference.

2. The equipment must accept any interference received, including interference that may cause

undesired operation.

Changes or modifications to this equipment not expressly approved by the party responsible for

compliance could void the user's authority to operate the equipment. This equipment has been tested

and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.

These limits are designed to provide reasonable protection against harmful interference when the

equipment is operated in a commercial environment. This equipment generates, uses and can

radiate radio frequency energy and, if not installed and used in accordance with the instruction

manual, may cause harmful interference to radio communications. Operation of this equipment in a

residential area is likely to cause harmful interference, in which case the user will be required to

correct the interference at their expense. The following techniques can be used to reduce

interference problems:

1. Disconnect the equipment from its power source to verify that it is or is not the source of the

interference.

2. If the equipment is connected to the same outlet as the device experiencing interference, connect

the equipment to a different outlet.

3. Move the equipment away from the device receiving the interference.

4. Reposition the receiving antenna for the device receiving the interference.

5. Try combinations of the above.

Wireless modem certification

The device complies with Part 15 of the FCC Rules and Industry Canada license-exempt RSS

standard(s). Operation is subject to the following conditions:

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English

1. The equipment may not cause harmful interference.

2. The equipment must accept any interference received, including interference that may cause

undesired operation.

Changes or modifications to this wireless communication equipment not expressly approved by the

party responsible for compliance could void the user's authority to operate the equipment. Any

change to the equipment will void the Industry Canada certification and FCC grant. Changes and

modifications include any modifications to the wireless modems and associated antennas, including

antenna cables. Follow the manufacturer recommendations for product installation, configuration and

wireless operation.

Cellular devices

N O T I C E

Network and access point security is the responsibility of the customer that uses the wireless instrument. The

manufacturer will not be liable for any indirect, special, incidental or consequential damages caused by a breach

in network security.

W A R N I N G

Pacemaker precautions. If electromagnetic interference (EMI) occurs, it can either:

• Stop the stimulating pulses from the pacemaker that control the rhythm of the heart.

• Cause the pacemaker to supply the pulses irregularly.

• Cause the pacemaker to ignore the rhythm of the heart and supply pulses at a set interval.

Current research shows that cellular devices are not a significant health problem for most pacemaker

wearers. However, persons with pacemakers should use precautions to make sure that their device

does not cause a problem. Keep the device a minimum of 20 cm (7.9 in.) from the user.

C A U T I O N

Electromagnetic radiation hazard. Make sure that the antenna is kept at a minimum distance of 20 cm

(7.9 in.) from all personnel in normal use. The antenna cannot be co-located or operated in conjunction

with any other antenna or transmitters.

C A U T I O N

Electromagnetic radiation hazard. In portable applications, do not use the modem within 20 cm (7.9 in.)

of the user.

Regulatory RF device approvals

Modem MTSMC-LAT3 (Equipment Class: PCS Licensed Transmitter, LTE/3G module):

• FCC: Approved as a Modular Device with a TCB Grant of Authorization. FCC ID: RI7LE910NAV2

• IC: Approved as a Modular Device with Certificat D'Acceptabilite' Technique C-REL ID: 5131A-

LE910NAV2

Modem MTSMC-LVW3 (PCS Licensed Transmitter, LTE/3G module):

• FCC: Approved as a Modular Device with a TCB Grant of Authorization. FCC ID: RI7LE910SVV2

• IC: Approved as a Modular Device with Certificat D'Acceptabilite' Technique C-REL ID: 5131A-

LE910SVV2

Table 1 Cellular Modem: MTSMC-LAT3

FCC rule parts Frequency bands (MHz) Maximum output power (Watts)

22, 24, 27 700 (B12/ B13), 850 (B5), 1700 (B4), 1900 (B2) 0.232

Cellular Modem MTSMC-LAT3—FCC Grant Notes & Conditions :

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Single Modular Approval. Power output listed is conducted. This device is approved for mobile and

fixed use with respect to RF exposure compliance, and may only be marketed to OEM installers. The

antenna(s) used for this transmitter, as described in this filing, must be installed to provide a

separation distance of at least 20 cm from all persons. Installers and end-users must be provided

with operating conditions for satisfying RF exposure compliance. Maximum permitted antenna

gain/cable loss: 6.63 dBi for 700 MHz & 850 MHz; 6.00 dBi for 1700 MHz; 8.51 dBi for 1900 MHz.

Table 2 Cellular Modem: MTSMC-LVW3

FCC rule parts Frequency bands (MHz) Maximum output power (Watts)

24, 27 700 (B13), 1700 (B4), 1900 (B2) 0.219

Cellular Modem MTSMC-LVW3—FCC Grant Notes & Conditions :

Single Modular Approval. Power output listed is conducted. This device is approved for mobile and

fixed use with respect to RF exposure compliance, and may only be marketed to OEM installers. The

antenna(s) used for this transmitter, as described in this filing, must be installed to provide a

separation distance of at least 20 cm from all persons. Installers and end-users must be provided

with operating conditions for satisfying RF exposure compliance. Maximum permitted antenna

gain/cable loss: 6.94 dBi for 700 MHz; 6.00 dBi for 1700 MHz; 9.01 dBi for 1900 MHz.

Product overview

The FL900 series flow loggers are used in open-channel flow monitoring studies such as inflow &

infiltration (I&I), combined sewer overflow (CSO), capacity and planning and storm water runoff

monitoring.

Data is collected from attached sensors and logged for future retrieval. The sensors can be added or

changed in the field. Depending on the model, up to four sensors can be connected. The data can be

retrieved directly through a USB or RS232 cable or remotely through a wireless network with

FSDATA Desktop and FSDATA server software. The FL900 Series loggers can also connect to an

external power source, rain gauge or be used to pace a Sigma or Hach sampler.

The wireless option and the number of available connectors varies with the model of the logger.

Refer to Figure 1 and Figure 2.

Figure 1 Connectors—side 1

1 Sensor (all models) 3 Computer—USB or RS232 cable (all models)

2 Sensor (FL902, FL904 only) 4 Auxiliary—external power or sampler (all but FL900)

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Figure 2 Connectors—side 2

1 Sensor (FL904 only) 3 Antenna option (all but FL900)

2 Sensor (FL904 only) 4 Rain gauge (all but FL900)

Product components

If any items are missing or damaged, contact the manufacturer or a sales representative

immediately.

Apply power to the Logger

Install the batteries

W A R N I N G

Explosion hazard. Incorrect battery installation can cause the release of explosive gases. Be sure that

the batteries are of the same approved chemical type and are inserted in the correct orientation. Do not

mix new and used batteries.

W A R N I N G

Fire hazard. Battery substitution is not permitted. Use only alkaline batteries.

N O T I C E

Do not over-tighten the cover. Tighten until the cover just touches the O-ring, then tighten one-quarter to one-half

turn maximum from O-ring contact. Keep the O-ring lubricated with silicone grease.

The instrument can use two or four 6 V batteries for power. Use two batteries for short-term use or

four batteries for long-term use (for battery life, refer to Specifications on page 3). When only two

batteries are used, put both batteries on the same side of the compartment (A-A or B-B). Refer to the

illustrated steps that follow.

Changes in temperature and pressure can cause the battery compartment cover to be difficult to

remove by hand. If this occurs, a tool can be used to remove the cover (Figure 3).

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Figure 3 Battery cover removal

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3

Attach an external power supply (optional)

W A R N I N G

Potential explosion hazard. The instrument is not approved for use in hazardous locations.

The instrument can be powered by an external long-life battery, an AS950 power supply or other

source that can supply power in the specified range (refer to Specifications on page 3 and

Replacement parts and accessories on page 25). If the logger has both external power and internal

batteries, the internal batteries are used as an auxiliary power supply. When the external power falls

below approximately 9 V, the internal batteries supply power until the voltage from the external

source is above 9 V.

1. Install the external power source in a safe location near the logger. Be sure to obey all safety

precautions for the power supply.

2. Attach the cable from the power source to the AUX connector on the logger (Figure 4).

3. Apply power to the power source, if applicable.

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Figure 4 External power options

1 2-conductor power cable (Figure 5) 3 AS950 power supply

2 Power adapter cable 4 Long-life battery

Figure 5 2-conductor power cable wiring

1 Power—#16 AWG red 2 Common—#16 AWG black

System startup

Install FSDATA Desktop on a computer

Before the flow logger or sampler is connected to a computer, make sure that FSDATA Desktop is

installed on the computer. FSDATA Desktop is available at www.hachflow.com.

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English

Attach the logger to the computer

Pre-requisites: Make sure that FSDATA Desktop is installed on the computer.

Connect only one logger to the computer.

1. Attach the logger to the computer.

2. When a USB cable is attached for the first time, the Found New Hardware wizard opens. Run the

new hardware wizard to install the USB driver for the logger. When finished, the message “Your

new hardware is installed and ready to use” is shown. In the event the wizard does not run or the

install fails, contact technical support to assist with trouble shooting your specific operating

system.

Attach a sensor or external devices to the logger

Pre-requisite: Make sure that the connection status is "not connected".

W A R N I N G

Sensor Hazardous Locations and RF Exposure Hazards. Some sensors have RF radiation exposure

hazards and are used in explosive atmospheres. See sensor manual warnings and instructions before

connecting a sensor to the logger.

The number of sensors that can attach to the logger varies with the model of the logger. Some

sensors must attach to an external module that is used as an interface between the sensor and the

logger. Figure 7 shows the AV9000 Area Velocity Analyzer module on the side of the logger and the

connection to a submerged area/velocity sensor.

1. If the sensor cable has connectors on both ends, attach the cable to the sensor first.

2. Attach the sensor (or module) to any SENSOR port on the logger (Figure 6 or Figure 7). Tighten

the connector by hand.

Note: For rain gauges, attach the sensor to the RAIN connector.

3. If the sensor uses an external module, attach the module to the logger, then attach the sensor to

the module (Figure 7).

4. If the sensor cable has a desiccant hub, align the desiccant hub vertically and make sure that the

air port points down (Figure 6).

Figure 6 Attach a sensor to the logger

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Figure 7 Attach a sensor to an external module

Attach an external module

An external module must be used as an interface between some sensor types and the logger. The

external module is mounted on the side of the logger (Figure 7 on page 14). Refer to the

documentation that is supplied with the module for mounting instructions.

Attach a sampler

The logger can attach to a Sigma 900 Standard, Sigma 900 Max, Hach SD900 or Hach

AS950 sampler for flow-paced and set point sampling. Connect the AUX port on the logger to the

auxiliary port on the sampler using a full auxiliary cable. If it is necessary to externally power the

logger while connected to an AS950 sampler, use the power input aux cable assembly. To make a

sampler program, refer to the documentation supplied with the sampler.

User interface

The indicators on the user interface show the status of the instrument and the modem. Refer to

Figure 8 and Table 3.

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English

Figure 8 User interface

1 Instrument without modem 2 Instrument with modem

Table 3 LED status indicators

Indicator LED color Description

Green Flashes every 3 seconds during normal operation. Flashes every

15 seconds during sleep mode.

Red Flashes when an attached sensor does not agree with the logger

program, an expected sensor is not found or the sensor operation has

failed.

Green Stays green during a call to the server.

Red Flashes red if the call to the server failed.

Program a unit equipped with a modem

C A U T I O N

Electromagnetic radiation hazard. Make sure that the antenna is kept at a minimum distance of 20 cm

(7.9 in.) from all personnel in normal use. The antenna cannot be co-located or operated in conjunction

with any other antenna or transmitters.

For units without a modem, refer to Basic setup on page 21. For units that come with activated

modem accounts

2

, go to Add the logger to the FSDATA Server on page 18.

Set up the wireless account

Note: Adequate cellular coverage from the selected carrier must be verified for each site before a logger with a

cellular modem is purchased.

N O T I C E

Network and access point security is the sole responsibility of the customer using the wireless instrument. The

manufacturer will not be liable for any indirect, special, incidental or consequential damages caused by a breach

in network security.

When the logger has a modem, data can be sent from the logger to the internet for remote access.

The user must first open an account with a mobile (wireless) provider. The instrument is then

registered to the data-hosting server (FSDATA), and the applicable communication settings are

programmed into the logger with FSDATA Desktop. If the modem was activated at the factory, go to

Add the logger to the FSDATA Server on page 18.

Pre-requisite: Make sure that the logger, logger test certificate and antenna are nearby.

2

The units that come with activated modem accounts have part numbers with .AX, .AR, .VX,

or .VR as the last digits.

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Note: For optimal troubleshooting, install the FSDATA Desktop driver, add the logger to the FSDATA server, and

verify telemetry before visiting the deployment site.

1. Gather your account information.

a. Find the IMEI number from the label. Refer to Figure 9.

b. Find the modem carrier model from the label.

2. Contact a wireless provider to start service on the modem. Make sure the wireless provider

matches the modem type in the logger, LVW3 = Verizon or LAT3 = PTCRB (AT&T, T-Mobile,

etc.). Request a data plan with a minimum 10 MB of data per month and SMS. (SMS is optional

but required to transmit alarm notifications to an email or mobile number).

a. Give the IMEI number to the provider. If requested, give the carrier model, also found on the

transmitter label.

b. Record the phone number for the modem.

3. Use the modem diagnostics in FSDATA Desktop to verify operation. Refer to the FSDATA

Desktop documentation.

Figure 9 Transmitter Label Examples

Install a SIM card

N O T I C E

Potential Instrument Damage. Delicate internal electronic components can be damaged by static

electricity, resulting in degraded performance or eventual failure.

N O T I C E

The instrument enclosure can break if the cover screws are over-tightened. Tighten the cover screws by hand

with a maximum torque of 2.0 Nm (20 in./lb). Make sure that the gasket is lubricated with grease.

Install a SIM card from the mobile carrier. Refer to the illustrated steps that follow. Make sure that the

PIN of the SIM card is disabled, and that the SIM card is for 4G LTE data.

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1 2

3 4

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Attach an antenna (wireless option)

C A U T I O N

Electromagnetic radiation hazard. Make sure that the antenna is kept at a minimum distance of 20 cm

(7.9 in.) from all personnel in normal use. The antenna cannot be co-located or operated in conjunction

with any other antenna or transmitters.

An antenna can be attached to the instrument for wireless communication. Various antenna options

are available. Refer to Replacement parts and accessories on page 25. Attach an antenna directly

to the logger or attach an antenna cable to the ANTENNA connector (Figure 10).

Figure 10 Attach the blade antenna

Add the logger to the FSDATA Server

Pre-requisite: Serial number of the logger

Figure 11 Serial number location

N O T I C E

Be sure to enter the serial number and SVC correctly to prevent communication failure.

1. Go to the website http://fsdata.hach.com to access the FSDATA server.

2. Enter the user name and password:

• User name—the default user name is the 8-digit customer ID number

• Password—the default password is HachWebData

3. Go to Instruments>Instrument Manager.

4. Record the SVC (Server Verification Code) from the upper left corner of the screen:

_______________________

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5. Click ADD NEW. The Add Instrument window opens.

6. Enter the serial number (SN) of the logger (Figure 11).

7. Select the Instrument Type.

8. Select the Active check box and click OK. The instrument is shown in the Instrument Manager.

Configure the logger for remote communication

Pre-requisites: The logger must be attached to the computer. An account with a network provider

must be set up, and the server must be configured.

The settings for remote communication must be entered into FSDATA Desktop and then written to

the logger.

1. Start a communication session with the logger:

a. Open FSDATA Desktop.

b. Click CONNECT. The Connect to Instrument window opens.

c. Click the FL900 button.

d. Select the port on the computer where the logger is attached (serial or USB), then click

Connect.

Note: If the sensor mismatch message is shown, select "Create new program based on sensors

connected."

e. Make sure that the connection status shows "connected".

2. Go to the Communications tab. Enter the information for the desired site. Select Time Zone.

3. Complete the Remote Settings information:

Option Description

Verizon 4G No additional configuration is necessary.

LAT3 4G Select the network provider and enter the user name and password, if applicable.

Primary Call Interval The frequency that the logger calls the server.

Secondary call interval The frequency that the logger calls the server during an alarm condition.

Server Verification Code The code that specifies which account on the FSDATA server the logger belongs

to. The server cannot store data without this code.

4. Click WRITE TO LOGGER to save the settings. A message window is shown:

Option Description

Warning: all data

will be lost.

Continue?

All data that is stored in the logger is erased when a program is written to the logger.

To save the data, select No and download the data to a safe location. Select Yes to

erase all data and update the logger with the new program.

Set Logger Clock Synchronize to Computer Clock—the logger uses the date and time settings of the

computer. Set Logger Clock—the logger uses the date and time settings that are set

by the user. If the unit has a modem, the logger automatically uses the date time

settings of the server.

Verify the telemetry (wireless option)

The user can manually send a call to the server to make sure that the network communication is

good.

1. Temporarily attach the antenna to the logger to test the antenna and the cell coverage at the site

location before installation.

2. Touch the magnet to the call initiation target (Figure 12). The modem LED indicator changes to

green.

3. Look at the modem LED indicator during the call (45 to 90 seconds) and wait for a change:

• LED goes off—the call to the server was successful.

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19

• LED flashes red—the call to the server failed.

Note: If the connection failed, refer to Troubleshooting on page 24 for more information.

Figure 12 Call the server

1 Call initiation target 2 Magnet

Verify the telemetry with FSDATA Desktop

1. In FSDATA Desktop, select Communications>Modem Diagnostics.

2. Make sure the registration status is either home or roaming. If blank or "identify" is shown, the

connection has failed.

3. Adjust the antenna for optimum signal strength and quality.

4. Click Call Server to make a call to the network.

A pop up screen will indicate success or failure.

Troubleshooting telemetry

• Make sure the SVC is correct.

• Make sure the serial number is registered and active on the host server.

• Make sure the modem is enabled and the Hach IP address has been correctly entered.

• If the problem persists, contact technical support.

Use the mobile SMS option

Configure the FL900 modem to send or receive SMS messages (optional). Refer to FSDATA

Desktop documentation for configuration information.

Modbus communication

The Modbus protocol can be used for communication with this instrument. Attach an external

network device, such as a PLC, to the RS232 interface on the instrument to read data as it is logged.

Contact technical support for more information on Modbus communications.

Note: Historical data cannot be read with Modbus communication.

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