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5-1

2150EX Area Velocity Flow Module

Section 5 Maintenance

5.1 Maintenance 

Overview

This section explains the maintenance requirements of the
2150EX Area Velocity Flow Module, 2191EX Battery Module,
and the AV2150EX Sensor. 

The 2150EX System is designed to perform reliably in adverse
conditions with a minimal amount of routine service require-
ments. To keep your system working properly, the following
should be checked at regular intervals:

• Battery power (section 5.3)

• Desiccant (section 5.4)

• Channel conditions (section 5.5)

Maintenance intervals are affected by many variables; for
example, the Data Storage Rate will affect the battery life.
Humidity levels obviously affect the service life of the desiccant,
and the amount of debris in the stream can drastically alter the
channel conditions.

As a guide, a basic system installed in an environment with mod-
erate humidity levels and an AV Sensor installed in a channel
relatively free from debris and silt, the maintenance interval
should not exceed three months. A basic system is defined as:

• a 2150EX Module and AV Sensor,

• powered by a fresh pair of LTC2191EX 8 volt lithium or 

SLA2191EX 8 volt lead-acid battery packs

• recording readings at the default intervals of 15 

minutes.

Experience

 is often the best tool to use when establishing

minimum maintenance intervals for your system. Until you have
gained an understanding of the 2150EX Module’s operation
under differing environmental conditions, a weekly maintenance
interval is recommended.

5.2 Maintenance Kits

Many of the parts called out in the Installation and Maintenance
sections of this manual are available in maintenance kits. Kit
number 60-2059-001, which supports the 2150EX Module, con-
tains O-rings for the connectors and desiccant cartridge, a hydro-
phobic filter, and a one-pound container of indicating silica gel
desiccant. Kit number 60-2009-332, which supports the 2191EX
Battery Module, contains O-rings for the connectors, gaskets for
the battery doors, humidity indicators, and bags of desiccant. You
can order the kits by calling Teledyne Isco’s Customer Service
Department. 

Teledyne Isco, Inc.

Customer Service Dept.
P.O. Box 82531
Lincoln, NE 68501  USA

Phone: (800) 228-4373

(402) 464-0231

FAX:

(402) 465-3022

E-mail:
[email protected]

Summary of Contents for 2150EX

Page 1: ...2150EX Area Velocity Flow Module Installation and Operation Guide Part 69 2003 347 of Assembly 60 2004 347 Copyright 2004 All rights reserved Teledyne Isco Inc Revision K May 1 2007 ...

Page 2: ......

Page 3: ...Return Authorization Number specified Be sure to include a note describing the malfunction This will aid in the prompt repair and return of the equipment Teledyne Isco welcomes suggestions that would improve the information presented in this manual or enhance the operation of the equipment itself Teledyne Isco is continually improving its products and reserves the right to change product specifica...

Page 4: ......

Page 5: ...he instrument may be impaired this will increase your risk of injury WARNING Intrinsic safety is dependent on proper installation in accordance with IEC 60079 14 and IEC 60079 17 International Standards or ATEX Group II Category 1G requirements of the authority that has jurisdiction for the installation of equipment in hazardous areas at your specific installation site Installation should be perfo...

Page 6: ...ns in the instrument s manual The lightning flash and arrowhead within the triangle is a warning sign alert ing you of dangerous voltage inside the product Symboles de sécurité Ce symbole signale l existence d instructions importantes relatives au pro duit dans ce manuel Ce symbole signale la présence d un danger d électocution Warnungen und Vorsichtshinweise Das Ausrufezeichen in Dreieck ist ein ...

Page 7: ...osphere With no spark ignition possible safe operation of the equipment in areas with hazardous atmospheres is possible The durable 2150EX 2191EX 2196EX and 2194EX enclosures are made with ABS plastic embedded with conductive carbon fiber giving the units low surface resistance to minimize electro static energy The lithium thionyl chloride batteries and the lead acid batteries used in the 2191EX B...

Page 8: ... protected end of the cable and con nector Example of Safe and Hazardous Area Labeling on RS232EX Cable Some system components have an X marking as shown in the example below The X marking indicates that there are special conditions that must be met to ensure intrinsic safety In the case of the sensor cable there is a danger of static electricity The cable is labeled with a warning telling you tha...

Page 9: ...el When you compare the 2150EX label in the figure above with the 2191EX label in the figure below you can see they provide a helpful reference so you can make sure your connections are safe Example of 2191EX Label For example the 2150EX network port cannot have an input voltage greater than 9 282V When you look at the label on the power source in this case the 2191EX you can see that the maximum ...

Page 10: ...omatic and chlorinated hydrocarbons alcohols hydrocarbons fuels and UV radiation Repair and Maintenance Refer to Section 4 of this manual for instructions regarding periodic maintenance of the 2150EX and its components Teledyne Isco Inc Technical Service Dept P O Box 82531 Lincoln NE 68501 USA Phone 800 228 4373 402 464 0231 FAX 402 465 3085 E mail IscoService teledyne com The internal components ...

Page 11: ...llations 2 8 2 4 1 Installation Example 2 8 2 4 2 Install Battery Module Batteries 2 8 2 4 3 Inspect the Desiccant Battery Module 2 10 2 4 4 Inspect the Desiccant 2150EX Module 2 10 2 4 5 Assembling the System 2 11 2 4 6 Zone 1 Battery Module 2 13 2 5 Permanent Installations 2 18 2 5 1 Installation Example 2 19 2 6 Network Communication 2 21 2 6 1 EX Network Cable 2 22 2 6 2 Connecting to a Comput...

Page 12: ...enance Kits 5 1 5 3 2191EX Batteries 5 2 5 3 1 LTC2191EX Lithium Batteries 5 2 5 3 2 SLA2191EX Lead Acid Batteries 5 4 5 4 Desiccant 5 8 5 4 1 Replacing the Desiccant AV Module 5 8 5 4 2 Replacing the Desiccant Battery Module 5 8 5 4 3 Reactivating the Desiccant 5 9 5 5 Channel Conditions 5 9 5 6 Other Maintenance 5 9 5 6 1 Hydrophobic Filter 5 10 5 6 2 Cleaning 5 10 5 6 3 Sensor Cable Inspection ...

Page 13: ...tem 2 11 2 7 Flowlink low voltage warning 2 14 2 8 Location of 2196EX charging terminals 2 15 2 9 Detailed view of charging circuit board 2 16 2 10 2196EX battery module and labeling 2 17 2 11 Amphenol connector pins for 12V adapter cable 69 2004 451 2 18 2 12 2194EX labels and cable connector 2 20 2 13 Network cable connector and wiring 2 20 2 14 Network cable conduit fittings 2 21 2 15 Wiring th...

Page 14: ...2150EX and 2191EX Modules Zones 0 1 and 2 1 8 1 6 Technical Specifications 2196EX Battery Module Zones 1 and 2 1 9 1 7 Technical Specifications 2194EX Interface Module Associated Apparatus 1 9 1 8 Specifications AV2150EX Area Velocity Sensor Zones 0 1 and 2 1 10 1 9 Communication Connector Pins 1 11 3 1 Flow Conversion Methods 3 6 4 1 Modbus ASCII Address 1 Register Definitions 4 6 4 2 Modbus ASCI...

Page 15: ...are you can quickly set up the module retrieve measurement data manage the sites and analyze the data and update the module s own software all without entering the hazardous area The module s data storage memory is quite flexible able to store the measurements in intervals from 15 seconds to 24 hours The module can also be configured for variable rate data storage Variable rates allow you to store...

Page 16: ...ate the sensitive transducer from direct exposure to the stream The inner face of the transducer is exposed or refer enced to the atmosphere through the internal vent tube that runs the full length of the AV Sensor s cable The difference between the pressures exerted on the transducer is the hydrostatic pressure Hydrostatic pressure is proportional to the level of the stream The Isco AV2150EX sens...

Page 17: ...eport the total flow You can set up the system to monitor net positive or negative total flow from either of the calculated flow rates 1 1 6 Data Storage Through Flowlink you configure which type of data is logged and the storage rate For each measurement the Data Storage Setup window lets you turn the primary rate off or select a rate from 15 seconds to once every 24 hours If the primary rate is ...

Page 18: ... shown uncapped Upper communication port used to connect to another mod ule or to a PC running Flowlink software 3 Connector Cap shown in holder Insert into unused communication connector to terminate the network and protect it from moisture damage When the com munication connector is in use the cap must be stowed in its holder to protect the terminating components inside the cap 4 Desiccant Cartr...

Page 19: ...on 1 Carrying Handle Used to lift and carry the unit 2 Communication Connector shown capped Upper communication port used to connect to another module or to a PC running Flowlink software 3 Cap Holder Used to store the connector cap 4 AV Sensor Receptacle Port used to attach the AV Sensor Insert the protective cap when not in use 5 2191EX Used to store battery packs and provide a source of power f...

Page 20: ...connector When the connector is not in use this cap must be in place to prevent damage to the connector pins and reference air tubing 2 Connector Attaches to the AV Sensor receptacle on the 2150EX Module 3 AV Sensor Body The AV Sensor Body is placed in the flow stream to measure level and velocity 4 Cable 10 0 m 32 8 ft cable containing the reference air tubing and conductors to transfer level dat...

Page 21: ... and Table 1 9 list information about the 2150EX s communication connector 1 2 3 1 3 2191EX 2191EX 2196EX Table 1 4 Battery Components 2191EX and 2196EX Item No Fig 1 4 Name Description 1 Battery Door The quarter turn door seals the battery cavity 2191EX Inside each door is a humidity indicator and a bag of desiccant to prevent internal moisture damage 2196EX The right door has one humidity indica...

Page 22: ...ing Flow Rate Conversions Up to 2 independent level to area and or level to flow rate conversions Level to Area Conversions Channel Shapes Round U shaped rectangular trapezoidal elliptical with silt correction Data Points Up to 50 level area points Level to Flow Rate Conversions Weirs V notch rectangular Cipolletti Isco Flow Metering Inserts Thel Mar Flumes Parshall Palmer Bowlus Leopold Lagco tra...

Page 23: ...re information Table 1 7 Technical Specifications 2194EX Interface Module Associated Apparatus Size H W D 7 37 x 28 7 x 19 05 cm 2 9 x 11 3 x 7 5 in Weight 9 kg 2 lb Enclosure self certified NEMA 4X 6P IP 68 Operating Temperature 20 to 60 C 4 to 140 F Storage Temperature 40 to 60 C 40 to 140 F Power 9 to 26 5 VDC nominal 12 or 24 VDC 150 mA typical 12 VDC Output 8 8 VDC nominal Number of 2150EX fl...

Page 24: ...rature Range 10 to 60 C 14 to 140 F Compensated Temperature Range 0 to 50 C 32 to 122 F Velocity Measurement Method Doppler Ultrasonic Frequency 500 kHz Transmission Angle 20 from horizontal Typical Minimum Depth for Velocity Measurement 25 mm 0 08 ft Range 1 5 to 6 1 m s 5 to 20 ft s Accuracy3 Velocity Error 1 5 to 1 5 m s 5 to 5 ft s 0 03 m s 0 1 ft s 1 5 to 6 1 m s 5 to 20 ft s 2 of reading Ope...

Page 25: ...onnector Even a momentary pin short can cause permanent damage to the bat teries A B C D E F G Communications Port Table 1 9 Communication Connector Pins Pin Name Description A NETA Network differential transceiver Data A B NETB Network differential transceiver Data B C VIN Positive power supply voltage input 8 VDC nominal D VIN Negative power supply voltage input 0 VDC nominal E RCVUP PC data rec...

Page 26: ...2150EX Area Velocity Flow Module Section 1 Introduction 1 12 ...

Page 27: ...check the items against the packing list If any parts are missing contact the delivery company and Teledyne Isco s Customer Service Department When you report missing part s please indicate them by part number In addition to the main packing list there may be other packing lists for various sub components It is recommended that you retain the shipping cartons as they can be used to ship the unit i...

Page 28: ...duct may subject you to hazardous working conditions that can cause you serious or fatal injuries Take any necessary precautions before entering a worksite Install and operate this product in accordance with all applicable safety and health regulations and local ordinances The 2150EX module components are often installed in confined spaces Some examples of confined spaces include manholes pipeline...

Page 29: ...e channel 2 2 4 Channels With a Primary Device If the AV Sensor is installed in a primary device its location depends on the type of primary device Most primary devices have a specific place for the head level measurement sensor For more details about the location of the head measuring point refer to the Isco Open Channel Flow Measurement Handbook or to information provided by the manufacturer of ...

Page 30: ...2150EX stack and extends to the interface of the safe and hazardous areas As described in Section 2 6 2 an RS232EX isolator cable con nects the computer and the site The cable supports the data transfers between the two and is connected to an EX Network Cable connected to the top of the 2150EX module As described in Section 2 6 3 an RS485EX isolator cable con nects the site with a Field Wizard or ...

Page 31: ...d to a Laptop Computer Portable Installation see section 2 4 FLOW SAFE AREA AREA Hazardous boundaries are normally specified by local authorities POTENTIALLY EXPLOSIVE Computer running Flowlink 2191EX or 2196EX Battery Module AV2150EX Sensor Mounting Ring RS232EX Isolator Cable EX Network Cable 2150EX Area Velocity Flow Module ...

Page 32: ...d to a 2101 Field Wizard Portable Installation see section 2 4 FLOW SAFE AREA AREA Hazardous boundaries are normally specified by local authorities POTENTIALLY EXPLOSIVE 2101 Field Wizard Module 2191EX or 2196EX Battery Module AV2150EX Sensor Mounting Ring RS485EX Isolator Cable 2150EX Area Velocity Flow Module EX Network Cable ...

Page 33: ...4 section 12 2 4 regarding earthing of intrinsically safe circuits FLOW SAFE AREA POTENTIALLY EXPLOSIVE AREA Hazardous boundaries are normally specified by local authorities Equipment Box Computer running Flowlink AV2150EX Sensor Mounting Ring See WARNINGS below 2150EX Area Velocity Flow Module 2194EX Network Power Module EX Interface Cable and Conduit Interrogator Cable Isco Power Pack This figur...

Page 34: ...asic por table 2150EX system including the 2150EX module the 2191EX battery module and an AV2150EX sensor 1 Prepare the Battery Module a Install the battery packs See section 2 4 2 b Inspect the desiccant 2 4 3 2 Inspect 2150EX module desiccant 2 4 4 3 Assemble the system a Install the 2150EX module 2 4 5 and Figure 2 6 b Attach the AV2150EX sensor cable to the 2150EX mod ule 2 7 4 Install the AV2...

Page 35: ...for LTC2191EX and SLA2191EX Battery Packs CAUTION To avoid overloading the fuses in the LTC2191EX lithium bat tery packs disconnect the 2150EX module s before installing or replacing the lithium battery packs The SLA2191EX lead acid battery packs do not contain fuses and do not require that the 2150EX module s be disconnected Battery Pack Door ...

Page 36: ... A humidity indicator is mounted inside each battery cap on the Battery Module The humidity indicators have regions that display 20 30 and 40 percent humidity levels Ideally each region should be completely blue As the desiccant becomes satu rated the humidity levels will increase and the regions turn pink When the 40 percent region turns pink the Battery Module is no longer adequately protected a...

Page 37: ...91EX combinations Connection options Keep in mind that stacking is not the only way to connect modules The modules may be placed in remote locations and still operate as a single site If you would like to use remote modules for your application please consult with the factory or your rep resentative to realize the full potential of your system Figure 2 6 Assembling a basic portable system Connecti...

Page 38: ...between the 2150EX modules 4 Unlock the 2150EX module s latch by pressing in on the latch release right side 5 Underneath the 2150EX remove the cap from the lower communication connector and stow it in the holder 6 Lock the latch Locking the latch correctly seats and aligns the lower cap in its holder 7 Position the 2150EX over the 2191EX 2196EX battery module Align the connectors and lower the 21...

Page 39: ...above 140 F 60 C Operate the 2196EX below 86 F 30 C for maximum service life For prolonged shelf life the 2196EX should be stored at 50 F 10 C or lower in a fully charged state Battery protection The module protects the lead acid batteries from damage due to deep discharge by first indicating critically low voltage through Flowlink software and then by shutting off when the voltage becomes critica...

Page 40: ...charge the 2196EX in a potentially explosive environment Charge only in a safe area WARNING When charging the 2196EX observe maximum voltage ratings of Um 250V and Un 20V The charger output must not exceed 20 volts or 2 amperes as labeled In order to recharge the batteries the 2196EX module case must be opened Unlike other 2100 modules which have two desiccant holders the 2196EX has only one locat...

Page 41: ...ard is permanently connected to the interior of the module Use care when opening the case that the wires are not damaged During charging the yellow LED on the circuit board remains on to indicate charge voltage in correct polarity The replaceable 2A fuse on the back side of the board protects against excessive current Figure 2 8 Location of 2196EX charging terminals Desiccant holder remove screws ...

Page 42: ...0VAC 50 60Hz applications The 965 provides greater charging voltage and can therefore charge to a higher capacity than the other chargers offered However because of this the module should not remain con nected to it beyond the charging period CAUTION The module should not remain connected to the Isco Model 965 charger after the Battery Voltage measured at TP1 reaches 13 8 volts Over time overcharg...

Page 43: ...n about 6 hours The charger is com patible with 125 240 VAC input Important Information Regarding X Marking The ATEX labeling on the serial tag of the 2196EX module shows a number ending in X The X marking indicates that there are special conditions that must be met to ensure safety as explained on page vi in the front of this manual WARNING Ensure that the 2196EX module case is never subjected to...

Page 44: ...The cable s molded connector plug will connect to the bottom communication port of the 2150EX module The other end will enter the safe area usually via conduit Make sure the 2150EX is secured so that it will not accidentally fall or be swept away by flooding Mount the 2150EX onto the EX bottom plate 60 2004 344 for suspension over the flow stream Use the notched holes in the plate to insert fasten...

Page 45: ...l form an inductor and create a hazard The cable should be kept as short as is practical 3 Assemble the system a Install the 2150EX module b Install the 2194EX module in the safe area c Attach the AV2150EX sensor cable to the 2150EX mod ule 2 7 4 Install the AV2150EX sensor in the flow stream 2 7 1 5 Connect the interface cable between the 2150EX and 2194EX 6 Connect the interrogation cable to the...

Page 46: ...8 47 2 0 24 5O 6 O 0O 7 O U O UH O 2O U OHM 2194EX Network Connector Refer to page vi regarding X marking on labels 42 3 9 3 2 5 4 4 2 8 5 4 4ELEDYNE SCO NC 0ART O ATE FOR 339 0ART O 0ART O ABLE 7 4 2 2 7 4 7 4 5 5 7 4 7 4 2 2 7 4 2 0IN Locking ring Socket insert Locking cap Main body Gland Gland cage Gland nut When using conduit replace with appropriate conduit fitting ...

Page 47: ...n To connect the 2150EX for network communication one or two of three different cables are required depending on the type of com munication whether the installation is portable or permanent and whether or not the flow module installation is in a hazardous area 1 2 NPT 20MM Thread 1 NPT 32MM Thread 1 2 3 4 5 6 7 Drain WHT GRN G R N W H T W H T B L U BLU WHT W H T O R N O R N W H T ...

Page 48: ...lign the pins and cause any short circuits 4 Route the cable as shown in Figure 2 1 so the other end of the EX Network cable is at the interface of the safe and hazardous areas 5 Attach the hazardous area end of the RS232EX isolator cable to the EX Network cable coming from the 2150EX Use care so you do not misalign the pins and cause any short circuits Attach the other end of the RS232EX cable to...

Page 49: ...electric or magnetic interference Refer to IEC 10079 14 section 12 2 2 5 on installation of cables and wiring If the 2150EX and AV 2150EX sensor are not located in a poten tially explosive atmosphere the RS232EX isolator cable can be connected directly to the top of the 2150EX Figure 2 17 RS232EX Isolator Cable for Connection to a Computer 2 6 3 Connecting to a 2100 Series Network Device The 2150E...

Page 50: ...ble can be connected directly to the top of the 2150EX A site example using the Field Wizard is shown in Figure 2 2 Figure 2 18 RS485EX Isolator Cable for Connection to a 2100 Series Network Device To connect the EX Network and RS485EX isolator cables 1 Remove the protective cap from the communication connector on the top of the 2150EX module 2 Store the protective cap in the holder next to the co...

Page 51: ...e communication connector is in use store the cap on the holder next to the connector Note Caps PUSH ON and PULL OFF Do not rotate the caps to remove them from the connectors 2 7 Connecting the AV2150EX Sensor The AV2150EX sensor cable attaches to the sensor receptacle on the 2150EX module To connect the AV Sensor refer to Figure 2 19 1 Remove the protective caps a On the 2150EX push down on the s...

Page 52: ...g shows a number ending in X The X marking indicates that there are special conditions that must be met to ensure safety as explained on page vi in the front of this manual CAUTION The AV2150EX sensor is labeled and X marked for special usage conditions in order to prevent static electricity Avoid conditions that may generate a static charge such as rubbing the AV2150EX with static producing cloth...

Page 53: ...at run consistently below 2 54 cm are not a good application for the 2150EX The example in the margin shows an illustration of these poor conditions The outfall is drawing down the liquid level and the AV Sensor is disturbing the flow In this example the AV Sensor should be moved forward to avoid the drawdown near the outfall Offsets You can install the AV Sensor above the bottom of the flow strea...

Page 54: ...ed hardware information The following sections describe sensor installation using the two options available for mounting the AV sensor in pipes or round bottomed flow streams For pipes up to 15 38 cm in diameter stainless steel self expanding mounting rings Spring Rings are available For pipes larger than 15 in diameter Teledyne Isco offers the Scissors Rings Universal Mounting Rings Area velocity...

Page 55: ...us size mounting rings available are listed in Appendix B These part numbers include not only the ring but also the miscella neous hardware necessary to mount the sensor on the ring CAUTION Always wear leather gloves when handling the rings either type The metal is finished but there is still a possibility of cut ting your hands on the edges Figure 2 21 Sensor Installed on a Spring Ring Attaching ...

Page 56: ...2 21 CAUTION Do not overtighten the plastic cable ties they should be tight ened just enough to secure the cable in place without greatly indenting the cable Overtightening the plastic ties may col lapse the reference tube in the cable blocking it The spring ring may need anchoring Under conditions of high velocity greater than 1 5 meters per second or 5 feet per second the ring may not have suffi...

Page 57: ...s can be used to take up or remove slack to bring the scissors mechanism into a position where it can be effectively tightened Note The hardware kit includes flat head bolts and nuts Teledyne Isco strongly recommends bolting the assembled scissors ring together before installation using the holes provided for that purpose Bolting the tongue sections together can greatly increase safety and prevent...

Page 58: ... reference tube in the cable blocking it 2 8 3 Completing the AV Sensor Installation The AV sensor installation is finished by securing any excess sensor cable using cable clamps or other means The reference tube inside the cable can be restricted or blocked if the cable is kinked sharply bent coiled or otherwise pinched The sensor cable should be handled and mounted with care Also if there is any...

Page 59: ...Should the module become submerged level readings may drift and the hydrophobic filter will seal to protect the reference air line Note To protect the 2150EX AV Flow module and sensor the hydro phobic filter seals off the reference air line when it is exposed to excessive moisture When sealed the filter prevents irrepa rable damage yet may cause the level readings to drift This single use filter m...

Page 60: ...fset distance must be entered Set Flow Rate to zero if no velocity data checkbox Determines how the 2150EX reports flow rates if stream velocity data is not available Flow Conversion The 2150EX can store flow rate readings To correctly convert the measured level and velocity readings to a flow rate the flow conversion method and channel properties should be defined Silt Level Area Velocity Flow Co...

Page 61: ...by pressing F1 on your computer s keyboard You can also access Help topics from a Contents and Index window HELP CONTENTS AND INDEX from the Flowlink menu 3 2 Flowlink Connections To allow interrogation of data using a computer connected to your 2150EX you need to make the necessary connections to allow your computer to communicate with the site Figure 3 1 shows a connection using Isco s RS232EX I...

Page 62: ...that some actions will delete all data in the module 3 3 Program Settings While connected Flowlink displays the Site View window This window contains all of the program settings that control the site s operation The settings are grouped or categorized using five tabs Measurements Site Info Modules Data Storage and a variable tab used to set up the various measurement types Essential Settings Some ...

Page 63: ...ment of the actual liquid level must be taken to adjust the level readings The value of this measured depth should be entered on the Level measurement tab in Flowlink Measurement Location The location of your measurements can affect the flow conversion results An understanding of how the AV Sensor measures level and velocity will help you determine where the measurements should be taken The AV Sen...

Page 64: ... or to maximize the level resolution over a specific range When the AV Sensor is offset an offset distance must be entered on the Velocity measurement tab in Flowlink Refer to Figure 3 3 Enter a value for the vertical distance the sensor is installed above the true zero level of the stream For example if the sensor is mounted on the side of the pipe two inches higher than the true zero level the b...

Page 65: ...rference If the AV Sensors of a multiple module site are placed near each other it is important that each sensor receives its own trans mitted signal To prevent this sort of interference you can syn chronize the modules so that only one module may take a velocity measurement at any given moment To synchronize the velocity measurements of a multiple module site check the Prevent interference box fo...

Page 66: ...Parshall Flume 1 2 3 6 9 inches 1 1 5 2 3 4 5 6 8 10 12 feet Palmer Bowlus Flume 4 6 8 10 12 15 18 21 24 27 30 48 inches Leopold Lagco 4 6 8 10 12 15 18 21 24 30 inches HS Flume 0 4 0 6 0 8 1 0 feet H Flume 0 5 0 75 1 1 5 2 2 5 3 4 5 feet HL Flume 4 0 feet Trapezoidal Flume Large 60 degree V Extra Large 60 degree V 2 inch 45 degree WSC 12 inch 45 degree SRCRC Flow Metering Insert V notch 6 8 10 12...

Page 67: ...readings at a faster or slower rate Keep in mind that although the 2150EX can store data as fast as 1 reading every 15 seconds faster storage rates will shorten battery life increase memory usage and lengthen Retrieve Data interrogation times You can also create conditional data storage rates The 2150EX can log data at a secondary rate when user defined conditions have been met For example a 2150E...

Page 68: ... long Any character may be used in the name except 3 3 8 Module Name The module is shipped with a default name so that it can imme diately begin to communicate with Flowlink You can change a Module Name to a more descriptive name on the Modules tab in Flowlink Keep in mind that the name must be unique among the other module names connected at that site Module names can be up to 20 characters long ...

Page 69: ...sent to a central computer for display data collection or process control Modbus implementation is independent of Flowlink and cannot alter the Flowlink programmed configuration of the module Modbus cannot be used to retrieve historical data from a module s memory Due to the wide variety of configurations that can be made with Modbus it is impossible to cover every usable application This section ...

Page 70: ...tified the baud rate and a response is received 4 2 2 Module Addressing When connecting to a site via a Modbus OPC server you use a dedicated line of communication to that module or stack from the OPC server which can be a dedicated communications cable direct connection or a dedicated phone number modem When you are using a direct connection you are dedicating a specified COM port on the computer...

Page 71: ... the mod ule s to the computer using the straight through cable Isco part number 60 5314 529 which consumes less power instead of our standard interrogation cable In Figure 4 1 the OPC Server PC must have two COM ports Modbus requires one COM port each for direct connection of each 2150 Figure 4 1 Configuration Example Direct Connection Shown The operation sequence for the example above can be sum...

Page 72: ...ty via open free for use standards It is a series of software stan dards specifications that fill a need in automation like printer drivers did for Windows acting as a translator for data trans mission and process control The specification defines a standard set of objects interfaces and methods for use in process control and manufacturing auto mation applications to facilitate interoperability Th...

Page 73: ...itors all the activity in a nuclear power plant or a municipal water system 4 5 Common Acronyms ASCII American Standard Code for Information Interchange DCS Distributed Control Systems MTU Master Terminal Unit OPC Object Linking and Embedding OLE for Process Control PLC Programmable Logic Controller RTU Remote Terminal Unit SCADA Supervisory Control And Data Acquisition TCP IP Transmission Control...

Page 74: ...model number and then by module name which is entered by the user through Flowlink This allows the user to control the ordering of the addresses and easily predict what data will be in specific reg isters Every measured parameter has a corresponding status and mea surement time that are updated with each measurement The maximum number of supported measurements from all modules in the system is 28 ...

Page 75: ...flag 2 16 bit field None Read 29 Active flag 3 16 bit field None Read 30 Active flag 4 16 bit field None Read 40 41 Level 4 byte float Meters Read 42 Level status code5 16 bit integer Read 43 52 Level time record Time6 Read 55 56 Velocity 4 byte float Meters second Read 57 Velocity status code 16 bit integer Read 58 63 Velocity time record Time Read 70 71 Flow 4 byte float Cubic Meters sec Read 72...

Page 76: ...e is represented in a series of registers Order is from lowest address to highest Seconds 0 59 Minutes 0 59 Hours 0 23 Days 1 31 Month 1 12 and Year 1977 2099 117 Volume 1 status code 16 bit integer Read 118 123 Volume 1 time record Time Read 130 131 Voltage 4 byte float Volts Read 132 Voltage status code 16 bit integer Read 133 138 Voltage time record Time Read 145 146 Temperature 4 byte float De...

Page 77: ...268 273 Analog channel 7 time record Time Read 280 281 Analog channel 8 4 byte float 0 100 percent Read 282 Analog channel 8 status code 16 bit integer Read 283 288 Analog channel 8 time record Time Read Table 4 2 Modbus ASCII Address 2 N 1 Register Definitions Continued Register Number s Name Data Type Units Read Write Table 4 3 Measurement Parameters by Model Number 2103 2103C 2108 2110 2150 215...

Page 78: ...2150EX Area Velocity Flow Module Section 4 Modbus Protocol 4 10 ...

Page 79: ...ystem is defined as a 2150EX Module and AV Sensor powered by a fresh pair of LTC2191EX 8 volt lithium or SLA2191EX 8 volt lead acid battery packs recording readings at the default intervals of 15 minutes Experience is often the best tool to use when establishing minimum maintenance intervals for your system Until you have gained an understanding of the 2150EX Module s operation under differing env...

Page 80: ...are when installing the packs Measuring Input Voltage Input voltage can be monitored while you are connected to the 2150EX with Flowlink The 2150EX also can record input voltage readings Keep in mind that battery discharge rates vary widely depending on the your system s operating environment If the fuse in a battery pack is overloaded it will blow the fuse and the battery pack will need to be rep...

Page 81: ...ounter clockwise and pull it from the Battery Module 2 Align the connectors and insert the new battery pack into the Battery Module 3 Check the humidity indicator disk inside the door See sec tion 5 4 2 4 Replace the door Align the small triangle on the door with the triangle above the battery port push inward and rotate 1 4 turn clockwise so the curved arrow is at the top of the door Repeat steps...

Page 82: ...onnected to the 2150EX with Flowlink The 2150EX also can record input voltage readings The Flowlink voltage readings will drop lower when the batteries are nearly depleted The chart in Figure 5 2 shows the noticeable voltage drop that starts to occur when the battery pack begins to discharge Keep in mind that battery discharge rates vary widely depending on the your system s operating environment ...

Page 83: ...e the battery packs in a hazardous atmosphere WARNING Charge SLA2191EX battery packs only with the 8V2191SLA charger at an ambient temperature below 50 C 122 F and never in a potentially explosive atmosphere Figure 5 3 Lead Acid SLA2191 EX Battery Packs and 8V2191SLA Charger The intrinsically safe battery packs require slow charging When the packs are inserted into the charger Figure 4 4 the yello...

Page 84: ...s may remain in the powered charger indefinitely without damage If stored for a long time the SLA2191EX battery packs may self discharge to a point where they should be recharged Battery Replacement Batteries should be replaced according to the instructions below The batteries should be replaced with two new 8 volt lead acid battery packs P N 68 2000 023 Fuse Replacement The fuses should be replac...

Page 85: ...y indicator disk inside the door See sec tion 5 4 2 4 Replace the door Align the small triangle on the door with the triangle above the battery port push inward and rotate 1 4 turn clockwise so the curved arrow is at the top of the door Repeat steps 1 through 4 to install the second battery pack Note The battery packs should always be replaced as a pair Never mix old and new batteries Battery pack...

Page 86: ... When the 40 percent region begins to turn pink the components are no longer adequately protected and the desiccant must be replaced 5 4 1 Replacing the Desiccant AV Module The desiccant is contained in a cartridge located on the left side of the 2150EX To remove the cartridge unscrew the collar and slide the cartridge out of the 2150EX The opaque tube reveals the silica gel desiccant inside CAUTI...

Page 87: ...cycles the desiccant may no longer be effective as it saturates too quickly At this point replace the desiccant Silica gel To reactivate the silica gel desiccant pour the spent desiccant into a heat resistant container Never heat the cartridge assembly it will melt Heat the silica gel in a vented convection oven at 100 to 175 C 212 to 350 F for two to three hours or until the blue or yellow color ...

Page 88: ... detergent and warm water If the flow stream carries a great deal of debris beware of organic materials that may collect beneath the AV Sensor This material swells as it becomes saturated with water and may exert pressure on the outer diaphragm This can damage the trans ducer and permanently disable the AV Sensor Keeping the ports clean not only prevents damage but assures you that the AV Sensor w...

Page 89: ...es repair contact Teledyne Isco s Technical Service Department Teledyne Isco Inc Technical Service Dept P O Box 82531 Lincoln NE 68501 USA Phone 800 228 4373 402 464 0231 FAX 402 465 3085 E mail IscoService teledyne com The pressure transducer the ultrasonic transducers cable con nections and the electronic components of the AV Sensor are encapsulated in plastic resin and are not user serviceable ...

Page 90: ...2150EX Area Velocity Flow Module Section 5 Maintenance 5 12 ...

Page 91: ...ut in the diagrams in this appendix Refer to the parts lists to determine the part number and description for a specific item Replacement parts can be purchased by contacting Teledyne Isco s Customer Service Department Teledyne Isco Inc Customer Service Department P O Box 82531 Lincoln NE 68501 USA Phone 800 228 4373 402 464 0231 FAX 402 465 3022 E mail IscoCSR teledyne com WARNING Substitution of...

Page 92: ...2150EX Area Velocity Flow Module Appendix A Replacement Parts A 2 ...

Page 93: ...2150EX Area Velocity Flow Module Appendix A Replacement Parts A 3 ...

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Page 98: ...2150EX Area Velocity Flow Module Appendix A Replacement Parts A 8 602002331 A ...

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Page 108: ...2150EX Area Velocity Flow Module Appendix A Replacement Parts A 18 ...

Page 109: ...ack 2 required 68 2000 023 8V2191SLA Lead Acid Battery Charger EU line cord 68 2000 024 8V2191SLA Lead Acid Battery Charger US line cord 68 2000 025 RS232EX Isolator Cable 60 2004 339 RS485EX Isolator Cable 60 2004 340 NET2EX Two Meter EX Network Cable 60 2004 335 NET8EX Eight Meter EX Network Cable 60 2004 336 Flowlink software CALL Instruction Manual 69 2003 347 Isco Open Channel Flow Measuremen...

Page 110: ...installation systems listed below A Low Profile Carrier is optional when attaching the AV Sensor to any system listed below Low Profile Carrier attaches the AV sensor to a ring or plate 60 3204 029 Spring Rings Each ring includes plastic ties and a manual 15 2 cm 6 Diameter 68 3200 007 20 3 cm 8 Diameter 68 3200 008 25 4 cm 10 Diameter 68 3200 009 30 5 cm 12 Diameter 68 3200 010 38 1 cm 15 Diamete...

Page 111: ...is appendix provides Material Safety Data Sheets for the des iccant used by the 2150EX Area Velocity Flow Module Teledyne Isco cannot guarantee the accuracy of the data Specific questions regarding the use and handling of the products should be directed to the manufacturer listed on the MSDS ...

Page 112: ...L Amorphous Silica 63231 67 4 99 PEL 20 RESPIRABLE TLV 5 LIMIT NONE HAZARD IRRITANT Synthetic amorphous silica is not to be confused with crystalline silica such as quartz cristobalite or tridymite or with diatomaceous earth or other naturally occurring forms of amorphous silica that frequently contain crystalline forms This product is in granular form and packed in bags for use as a desiccant The...

Page 113: ...g sound from venting safety device or any discoloration of the tank due to fire SECTION V HEALTH HAZARD DATA Health hazards may arise from inhalation ingestion and or contact with the skin and or eyes Ingestion may result in damage to throat and esophagus and or gastrointestinal disorders Inhalation may cause burning to the upper respiratory tract and or temporary or permanent lung damage Prolonge...

Page 114: ...ersonnel need protection against inhalation of dusts or fumes Eye protection is required Vacuuming and or wet methods of cleanup are preferred Place in appropriate containers for disposal keeping airborne particulates at a minimum SECTION VIII SPECIAL PROTECTION INFORMATION Respiratory Protection Provide a NIOSH MSHA jointly approved respirator in the absence of proper environmental control Contac...

Page 115: ...ion contained herein is based upon data considered true and accurate However United Desiccants makes no warranties expressed or implied as to the accuracy or adequacy of the information contained herein or the results to be obtained from the use thereof This information is offered solely for the user s consideration investigation and verification Since the use and conditions of use of this informa...

Page 116: ...vity H20 1 2 1 Vapor Pressure mm Hg and Temperature N A Melting Point N A Vapor Density Air 1 N A Evaporation Rate __________ 1 N A Solubility in Water Insoluble but will adsorb moisture Water Reactive Not reactive but will adsorb moisture Appearance and Odor Purple crystals no odor Section 3 Fire and Explosion Hazard Data Flash Point and Methods Used N A Auto Ignition Temperature N A Flammability...

Page 117: ...Drink at least 2 glasses of water Section 6 Control and Protective Measures Respiratory Protection Specify Type Use NIOSH approved dust mask or respirator Protective Gloves Light cotton gloves Eye Protection Safety glasses VENTILATION Local Exhaust Mechanical General Special TO BE USED Other Specify Other Protective Clothing and Equipment None Hygienic Work Practices Avoid raising dust Avoid conta...

Page 118: ...is material is not classified this MSDS contains valuable information critical to the safe handling and proper use of this product This MSDS should be retained and available for employees and other users of this product Section 3 Hazard Identification Emergency Overview A yellow bead or granular material that poses little or no immediate hazard This material is not combustible Potential Health Eff...

Page 119: ...mmability Limit Not applicable Upper Flammability Limit Not applicable Autoignition Temperature Not applicable Hazardous Combustion Products Not applicable Extinguishing Media Use extinguishing media that is appropriate for the surrounding fire Silica gel is not combustible Fire Fighting Instructions Not combustible Unusual Fire and Explosion Hazards None Section 6 Accidental Release Measures Spil...

Page 120: ...ts Silica gel TWA 20 mppcf 80 mg m3 SiO2 TWA 10 mg m3 NIOSH REL TWA 6 mg m3 IDLH 3000 mg m3 Phenolphthalein Not Applicable Not Applicable Not Applicable Section 9 Physical and Chemical Properties Appearance Yellow beads or granules Vapor Density Not applicable Odor None Boiling Point 4046q F 2230q C Physical State Solid bead Melting Point 3110q F 1710q C PH Not applicable Solubility Insoluble in w...

Page 121: ...tic environment Silica gel is insoluble and non toxic Section 13 Disposal Information Disposal Information If this product as supplied becomes a waste it does not meet the criteria of a hazardous waste as defined under the Resource Conservation and Recovery Act RCRA 40 CFR 261 Materials of a hazardous nature that contact the product during normal use may be retained on the product The user of the ...

Page 122: ...sive and shall be used only as a guide However the customer should determine the suitability of such materials for his purpose before adopting them on a commercial scale Since the use of our products is beyond our control no guarantee expressed or implied is made and no responsibility assumed for the use of this material or the results to be obtained therefrom Information on this form is furnished...

Page 123: ... CAUTION Before you install any flow logger you must take the proper safety precautions The following discussion of safety proce dures offers only general guidelines Each situation in which you install a flow logger varies You must take into account the individual circumstances of each installation Additional safety considerations other than those discussed here may be required Check applicable gu...

Page 124: ...e atmosphere in the manhole should be retested before anyone enters the manhole When explosive conditions are encountered the ventilating blower should be placed upwind to prevent igniting any gas that is emerging from the opening When a gasoline engine blower is used it must be located so that exhaust fumes cannot enter the manhole If testing equipment is not available the manhole should be assum...

Page 125: ...oming traffic Flashing warning signals should be used to alert drivers and pedestrians Orange safety vests should be worn by personnel stationed at the surface when the manhole is located in a vehicular traffic area D 4 2 Removing the Covers Manhole covers should be removed with a properly designed hook Use of a pick ax screwdriver or small pry bar may result in injury A suitable tool can be made ...

Page 126: ...rlier years he did so he admits with little knowledge of the grave hazards to which he exposed himself It is gratifying that the subject of hazards to people work ing in sewers is receiving much more attention than in past years and good safety procedures are prescribed in various publications on this subject It is essential that people know and use correct procedures It is less important to know ...

Page 127: ... reduction in the oxygen concen tration Waste water containing 2 mg per liter of dissolved sulfide and at a pH of 7 0 can produce in a chamber with high turbulence a concentration of 300 PPM H2S in the air This is considered to be a lethal concentration Many people have died from H2S not only in sewers and indus tries but also from swamps and from hot springs In one resort area at least five perso...

Page 128: ...mful vapors They too are sensed by smell and explosimeter tests if they get into the public sewer Such occurrences are rare The attempt to instill a sense of urgency about real haz ards is diluted if a man is told to give attention to a long list of things that in fact are irrelevant Be very careful to avoid high H2S concentrations flamma ble atmospheres and hazards of physical injuries Remem ber ...

Page 129: ... Chemical asphyxiant Col orless odorless tasteless Flammable Poisonous 0 97 Combines with hemoglobin of blood Unconsciousness in 30 min at 0 2 to 0 25 Fatal in 4 hours at 0 1 Headache in few hours at 0 02 400 50 12 5 74 0 Near top especially if present with illuminating gas Manufactured gas flue gas products of combustion motor exhausts Fires of almost any kind CO ampoules Carbon Tetra Chloride CC...

Page 130: ...r ventilation and absorption or chemical consump tion of oxygen Oxygen deficiency indicator Ozone O3 Irritant and poisonous Strong electrical odor Strong oxidizer Colorless At 1 ppm strong sulfur like odor 1 66 Max naturally occurring level is 0 04 ppm 0 05 ppm causes irritation of eyes and nose 1 to 10 ppm causes headache nausea can cause coma Symptoms sim ilar to radiation damage 0 08 0 04 Near ...

Page 131: ...28 2 32 site example 2 4 site location 2 2 with primary device 2 3 without primary device 2 3 L labeling 1 8 level offset 2 27 3 4 M maintenance channel conditions 5 9 cleaning 5 10 desiccant 2 10 5 8 hydrophobic filter 5 10 kits 5 1 overview 5 1 sensor cable 5 11 Material Safety Data Sheets C 1 measurement flow 1 3 level 1 2 3 3 overview 1 2 velocity 1 2 MODBUS 4 1 acronyms 4 5 configurations 4 3...

Page 132: ... D 1 hazard severity levels 1 5 hazard symbols 1 6 installation 1 10 labeling 1 8 X marking 1 8 2 17 2 19 2 26 scissors ring 2 30 service 5 11 diagnostics 5 11 specifications 1 7 stacking 2 11 system assembly 2 11 system overview 1 2 T technical specifications 1 7 total flow 1 3 W warnings 1 5 X X marking 1 8 2 17 2 19 2 26 ...

Page 133: ... EN 50020 2002 Electrical Apparatus for Potentially Explosive Atmospheres Intrinsically Safe i EN 50284 1999 Special Requirements for Construction Test and Marking of Electrical Apparatus of Equipment Group II Category 1G EN 61010 1 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use EN 61326 1998 EMC Requirements for Electrical Equipment for Measurement Control...

Page 134: ...Compliance Statements ...

Page 135: ...EN 50014 1997 Amd 1 2 Electrical Apparatus for Potentially Explosive Atmospheres General Requirements EN50020 2002 Electrical Apparatus for Potentially Explosive Atmospheres Intrinsically Safe i EN50284 1999 Special Requirements for Construction Test and Marking of Electrical Apparatus of Equipment Group II Category 1G EN 61010 1 Safety Requirements for Electrical Equipment for Measurement Control...

Page 136: ......

Page 137: ...Special Requirements for Construction Test and Marking of Electrical Apparatus of Equipment Group II Category 1G EN 61010 1 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use EN 61326 1998 EMC Requirements for Electrical Equipment for Measurement Control and Laboratory Use EN60529 1992 Degrees of Protection Provided by Enclosure Self Certified as IP 65 EMC Stan...

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Page 139: ...tentially Explosive Atmospheres General Requirements EN50020 2002 Electrical Apparatus for Potentially Explosive Atmospheres Intrinsically Safe i EN50284 1999 Special Requirements for Construction Test and Marking of Electrical Apparatus of Equipment Group II Category 1G EN 61010 1 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use EN 61326 1998 EMC Requirement...

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Page 141: ...0 2004 Electrical Apparatus for Potentially Explosive Atmospheres General Requirements EN60079 7 2007 Equipment protection by increased safety e EN50020 2002 Equipment protection by intrinsic safety i EN61326 2003 EMC Requirements for Electrical Equipment for Measurement Control and Laboratory Use EN60529 1992 Degrees of Protection Provided by Enclosure Self Certified as IP 68 EMC Standard Descrip...

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Page 143: ...o s One Year Limited Factory Service Warranty which will repair or replace your 2151 2151P or 2150EX module free of charge during the first year provided it meets the terms of the warranty For succeeding years of ownership if failure is due to faulty parts or workmanship repairs that can be made without opening the unit will be done at the prevailing techni cal service rate If repair would require...

Page 144: ...arranty ...

Page 145: ...ed from Teledyne Isco The warrantor is Teledyne Isco Inc 4700 Superior Lincoln NE 68504 U S A This warranty applies to the USA and countries where Teledyne Isco Inc does not have an authorized dealer Customers in countries outside the USA where Teledyne Isco has an authorized dealer should contact their Teledyne Isco dealer for warranty service In the event of instrument problems always contact th...

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